Lexmark MX71X User manual

MX71x, MX81x, XM51xx & XM71xx

Machine Type 7463-0xx, -2xx, -4xx, -6xx, -8xx

Service Manual

• Start diagnostics

• Maintenance

• Safety and notices

• Trademarks

• Index

August 27, 2014 www.lexmark.com

P/N 12G3100

Product information

Product name:

Lexmark MX71x, MX81x, XM51xx & XM71xx

Machine type:

7463

Model(s):

03x, 23x, 436, 636, 836

Edition notice

August 27, 2014

The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK INTERNATIONAL,

INC., PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED

TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of

express or implied warranties in certain transactions; therefore, this statement may not apply to you.

This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these

changes will be incorporated in later editions. Improvements or changes in the products or the programs described may be made at any

time.

References in this publication to products, programs, or services do not imply that the manufacturer intends to make these available in all

countries in which it operates. Any reference to a product, program, or service is not intended to state or imply that only that product,

program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any existing intellectual

property right may be used instead. Evaluation and verification of operation in conjunction with other products, programs, or services,

except those expressly designated by the manufacturer, are the user’s responsibility.

Trademarks

Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other

countries.

PrintCryption is a trademark of Lexmark International, Inc.

Mac and the Mac logo are trademarks of Apple Inc., registered in the U.S. and other countries.

PCL® is a registered trademark of the Hewlett-Packard Company. PCL is Hewlett-Packard Company’s designation of a set of printer commands

(language) and functions included in its printer products. This printer is intended to be compatible with the PCL language. This means the

printer recognizes PCL commands used in various application programs, and that the printer emulates the functions corresponding to the

commands.

All other trademarks are the property of their respective owners.

P/N 12G3100

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Table of contents

Product information.....................................................................................2

Edition notice...............................................................................................2

Notices and safety information..................................................................29

Laser notices............................................................................................................................................29

Safety information...................................................................................................................................32

Preface.......................................................................................................37

Service manual conventions....................................................................................................................37

Change history.........................................................................................................................................37

General information...................................................................................47

Media guidelines.....................................................................................................................................47

Paper guidelines ...............................................................................................................................................47

Paper characteristics ....................................................................................................................................47

Selecting paper.............................................................................................................................................48

Selecting preprinted forms and letterhead..................................................................................................49

Storing paper................................................................................................................................................49

Using recycled paper and other office papers ..................................................................................................49

Using specialty media .......................................................................................................................................51

Tips on using card stock ...............................................................................................................................51

Tips on using envelopes ...............................................................................................................................51

Tips on using labels ......................................................................................................................................51

Tips on using letterhead...............................................................................................................................52

Tips on using transparencies ........................................................................................................................52

Supported paper sizes, types, and weights ......................................................................................................53

Paper sizes supported by the printer ...........................................................................................................53

Paper types and weights supported by the printer......................................................................................54

Paper sizes, types, and weights supported by the output options ..............................................................55

Data security notice.................................................................................................................................57

Tools required for service........................................................................................................................58

Diagnostic information...............................................................................59

Troubleshooting overview.......................................................................................................................59

Performing the initial troubleshooting check ...................................................................................................59

Power‑on Reset (POR) sequence ......................................................................................................................59

Using Safe Mode...............................................................................................................................................60

Fixing print quality issues........................................................................................................................61

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Initial print quality check ..................................................................................................................................61

Gray background check ....................................................................................................................................61

Horizontal voids check ......................................................................................................................................62

Print irregularities check...................................................................................................................................63

Blank pages check.............................................................................................................................................64

Solid black pages check.....................................................................................................................................65

Shadow images check .......................................................................................................................................66

Skewed print check...........................................................................................................................................67

Streaked horizontal lines check ........................................................................................................................68

Streaked vertical lines check.............................................................................................................................70

Toner specks check ...........................................................................................................................................70

Vertical voids check ..........................................................................................................................................71

Toner fog or background shading check...........................................................................................................72

Toner smear check............................................................................................................................................74

Paper jams...............................................................................................................................................74

Avoiding jams....................................................................................................................................................74

Understanding jam messages and locations.....................................................................................................77

200–201 paper jams .........................................................................................................................................80

[x]‑page jam, lift front cover to remove cartridge. [200] .............................................................................80

200–201 paper jam messages ......................................................................................................................83

Sensor (input) static jam service check ........................................................................................................85

Sensor (input) early arriving jam service check............................................................................................85

Sensor (input) never‑ or late‑arriving jam service check .............................................................................86

Sensor (input) late-leaving or did-not-clear jam service check ....................................................................88

Main drive motor control jam service check................................................................................................90

Printhead motor control jam service check .................................................................................................90

Fuser drive motor control jam service check ...............................................................................................91

Sensor (input) miscellaneous jam 1 service check .......................................................................................92

Sensor (input) miscellaneous jam 2 service check .......................................................................................92

Sensor (input) miscellaneous jam 3 service check .......................................................................................93

202 paper jams ................................................................................................................................................. 93

[x]‑page jam, open upper rear door. [202] .................................................................................................. 93

202 paper jam messages ..............................................................................................................................94

Sensor (fuser exit) static jam service check..................................................................................................95

Sensor (fuser exit) late-leaving jam service check........................................................................................96

Sensor (fuser exit) late-arriving jam service check.......................................................................................97

Sensor (narrow media) late arriving jam service check................................................................................98

Sensor (narrow media) static jam service check ..........................................................................................99

Sensor (fuser exit) miscellaneous jam service check....................................................................................99

Fuser ID chip control jam service check .....................................................................................................100

203 paper jams ............................................................................................................................................... 100

[x]‑page jam, remove standard bin jam. [203]...........................................................................................100

203 paper jam messages ............................................................................................................................101

Upper redrive motor control jam service check.........................................................................................101

23y paper jams ...............................................................................................................................................102

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[x]‑page jam, open upper and lower rear door. [231–234] ....................................................................... 102

[x]‑page jam, remove tray 1 to clear duplex. [235–239]............................................................................104

23y paper jam messages ............................................................................................................................104

Sensor (duplex path) static jam service check............................................................................................105

Sensor (duplex path) never‑ or late‑arriving jam service check.................................................................106

Sensor (duplex path) early arriving jam service check ...............................................................................107

Sensor (duplex path) late leaving jam service check..................................................................................107

Duplex control jam service check...............................................................................................................108

Sensor (duplex path) miscellaneous jam service check .............................................................................109

Sensor (input) never-arriving jam (exiting duplex) service check ..............................................................110

241 paper jams ............................................................................................................................................... 111

[x]‑page jam, open tray [1]. [241] ..............................................................................................................111

241 paper jam messages ............................................................................................................................112

Sensor (input) never-arriving jam from tray 1 service check .....................................................................113

Media tray 1 pulled jam service check .......................................................................................................114

Media feeder motor control service check ................................................................................................114

Media feeder motor tray lift error service check .......................................................................................115

242–245 paper jams .......................................................................................................................................116

[x]‑page jam, open tray [x]. [24y]............................................................................................................... 116

242 paper jam messages ............................................................................................................................117

243 paper jam messages ............................................................................................................................120

244 paper jam messages ............................................................................................................................123

245 paper jam messages ............................................................................................................................126

250/550-sheet media tray option jam service check .................................................................................129

HCIT jam service check ...............................................................................................................................132

HCIT source jam service check ...................................................................................................................134

250 paper jams ............................................................................................................................................... 136

[x]‑page jam, clear manual feeder. [250] ................................................................................................... 136

250 paper jam messages ............................................................................................................................137

Sensor (input) never-arriving jam from MPF media tray service check .....................................................138

28y paper jams ...............................................................................................................................................139

[x]‑page jam, open automatic feeder top cover. [28y.xx]..........................................................................139

28y paper jam messages ............................................................................................................................141

Sensor (ADF pick) static jam service check.................................................................................................142

Sensor (ADF pick) never arriving or late arriving jam service check...........................................................142

Sensor (ADF pick) late leaving or not cleared jam service check ...............................................................144

Sensor (ADF 1st scan) static jam service check ..........................................................................................145

Sensor (ADF 1st scan) never arriving or late arriving jam service check ....................................................146

Sensor (ADF 1st scan) late leaving or not cleared jam ..........................................................................

.....148

Sensor (ADF 2nd scan) static jam ...............................................................................................................149

Sensor (ADF 2nd scan) never arriving or late arriving jam service check................................................... 150

Sensor (ADF 2nd scan) late leaving or not cleared jam service check........................................................151

Sensor (ADF media exit) static jam service check ......................................................................................153

Sensor (ADF media exit) never arriving or late arriving jam service check ................................................153

Sensor (ADF media exit) late leaving or not cleared jam service check .....................................................155

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29y paper jams ...............................................................................................................................................156

29y paper jam messages ............................................................................................................................156

ADF cover open jam ...................................................................................................................................156

Sensor (multifeed detect) detected multiple sheets service check ...........................................................157

431 paper jams ............................................................................................................................................... 158

[x]‑page jam, open mailbox rear door. Leave paper in bin. [43y.xx]..........................................................158

431 paper jam messages ............................................................................................................................159

Sensor (mailbox pass through) jam service check......................................................................................160

Mailbox main motor jam service check......................................................................................................162

Mailbox diverter jam service check............................................................................................................163

Mailbox diverter plunger jam service check ..............................................................................................166

45y paper jams ...............................................................................................................................................167

[x]‑page jam, remove paper, open finisher rear door. Leave paper in bin. [451] ......................................167

[x]‑page jam, remove paper, open stapler door. Leave paper in bin. [455–457]....................................... 168

451 paper jam messages ............................................................................................................................171

452 paper jam messages ............................................................................................................................172

453 paper jam messages ............................................................................................................................172

454 paper jam messages ............................................................................................................................173

455 paper jam messages ............................................................................................................................173

456 paper jam messages ............................................................................................................................174

457 paper jam messages ............................................................................................................................175

458 paper jam messages ............................................................................................................................176

459 paper jam messages ............................................................................................................................176

Sensor (finisher pass through) jam service check ......................................................................................177

Finisher main motor jam service check......................................................................................................179

Finisher left tamper jam service check.......................................................................................................180

Finisher right tamper jam service check.....................................................................................................182

Finisher ejector jam service check .............................................................................................................184

Finisher diverter jam service check ............................................................................................................ 185

Finisher paddle jam service check..............................................................................................................186

Finisher tray holder jam service check .......................................................................................................188

Sensor (throat media present) jam service check ......................................................................................189

Stapler carriage jam service check .............................................................................................................191

Sensor (HPU finisher pass through) jam service check ..............................................................................193

Finisher (HPU) main motor jam service check ...........................................................................................195

Finisher (HPU) left tamper jam service check ............................................................................................196

Finisher (HPU) right tamper jam service check .......................................................................................... 198

Finisher (HPU) ejector jam service check ...................................................................................................200

Finisher (HPU) diverter jam service check..................................................................................................201

Finisher (HPU) paddle jam service check ...................................................................................................202

Finisher (HPU) tray holder jam service check............................................................................................. 204

Sensor (HPU throat media present) jam service check .............................................................................. 205

Stapler carriage (HPU) jam service check...................................................................................................208

HPU motor jam service check ....................................................................................................................209

HPU feed motor jam service check ............................................................................................................211

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HPU communication error jam service check ............................................................................................212

Sensor (HPU media align) jam service check..............................................................................................213

Sensor (HPU trailing edge) jam service check ............................................................................................214

Sensor (HPU leading edge) jam service check............................................................................................216

Understanding the printer messages....................................................................................................217

Cartridge low [88.xy].......................................................................................................................................217

Cartridge nearly low [88.xy]............................................................................................................................217

Cartridge very low, [x] estimated pages remain [88.xy] .................................................................................217

Change [paper source] to [custom string] load [orientation].........................................................................217

Change [paper source] to [custom type name] load [orientation]................................................................. 217

Change [paper source] to [paper size] load [orientation] ..............................................................................218

Change [paper source] to [paper type] [paper size] load [orientation]..........................................................218

Check tray [x] connection ...............................................................................................................................218

Close door or insert cartridge .........................................................................................................................218

Close finisher rear door ..................................................................................................................................219

Close flatbed cover and load originals if restarting job [2yy.xx] .....................................................................219

Close rear door ...............................................................................................................................................219

Close top access cover ....................................................................................................................................219

Complex page, some data may not have printed [39]....................................................................................219

Configuration change, some held jobs were not restored [57] ......................................................................219

Defective flash detected [51]..........................................................................................................................220

Disk full [62] ....................................................................................................................................................220

Disk full, scan job canceled .............................................................................................................................220

Disk must be formatted for use in this device ................................................................................................220

Disk near full. Securely clearing disk space.....................................................................................................220

Empty the hole punch box ..............................................................................................................................220

Error reading USB drive. Remove USB. ...........................................................................................................220

Error reading USB hub. Remove hub. .............................................................................................................221

Fax memory full ..............................................................................................................................................221

Fax partition inoperative. Contact system administrator............................................................................... 221

Fax server 'To Format' not set up. Contact system administrator..................................................................221

Fax Station Name not set up. Contact system administrator. ........................................................................221

Fax Station Number not set up. Contact system administrator. ....................................................................221

Imaging unit low [84.xy] .................................................................................................................................221

Imaging unit nearly low [84.xy] ......................................................................................................................221

Imaging unit very low, [x] estimated pages remain [84.xy] ............................................................................222

Incompatible output bin [x] [59].....................................................................................................................222

Incompatible tray [x] [59] ...............................................................................................................................222

Incorrect paper size, open [paper source] [34] ..............................................................................................222

Insert hole punch box .....................................................................................................................................222

Insert staple cartridge.....................................................................................................................................222

Insert Tray [x]..................................................................................................................................................223

Install bin [x] ...................................................................................................................................................223

Install duplex...................................................................................................................................................223

Install Tray [x] .................................................................................................................................................223

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Insufficient memory for Flash Memory Defragment operation [37]..............................................................224

Insufficient memory to collate job [37] ..........................................................................................................224

Insufficient memory to support Resource Save feature [35]..........................................................................224

Insufficient memory, some Held Jobs were deleted [37] ...............................................................................224

Insufficient memory, some held jobs will not be restored [37]......................................................................224

Load [paper source] with [custom string] [paper orientation] ....................................................................... 224

Load [paper source] with [custom type name] [paper orientation] ...............................................................225

Load [paper source] with [paper size] [paper orientation].............................................................................225

Load [paper source] with [paper type] [paper size] [paper orientation] .......................................................225

Load Manual Feeder with [custom string] [paper orientation] ......................................................................225

Load Manual Feeder with [custom type name] [paper orientation] ..............................................................226

Load Manual Feeder with [paper size] [paper orientation]............................................................................226

Load Manual Feeder with [paper type] [paper size] [paper orientation] .......................................................226

Load staples ....................................................................................................................................................226

Maintenance kit low [80.xy] ...........................................................................................................................226

Maintenance kit nearly low [80.xy] ................................................................................................................ 227

Maintenance kit very low, [x] estimated pages remain [80.xy]......................................................................227

Memory full [38] ............................................................................................................................................. 227

Memory full, cannot print faxes .....................................................................................................................227

Memory full, cannot send faxes .....................................................................................................................227

No analog phone line connected to modem, fax is disabled..........................................................................227

Network [x] software error [54] .....................................................................................................................227

Non‑Lexmark [supply type], see User’s Guide [33.xy] ....................................................................................228

Not enough free space in flash memory for resources [52] ...........................................................................228

Paper changes needed....................................................................................................................................228

Parallel port [x] disabled [56]..........................................................................................................................228

Printer had to restart. Last job may be incomplete........................................................................................229

Reattach bin [x]...............................................................................................................................................229

Reattach bins [x] – [y] .....................................................................................................................................229

Reinstall missing or unresponsive cartridge [31.xy] .......................................................................................230

Reinstall missing or unresponsive imaging unit [31.xy]..................................................................................230

Remove defective disk [61].............................................................................................................................230

Remove packaging material, [area name] ......................................................................................................230

Remove paper from all bins............................................................................................................................230

Remove paper from bin [x].............................................................................................................................230

Remove paper from [linked set bin name] .....................................................................................................230

Remove paper from standard output bin.......................................................................................................230

Replace all originals if restarting job...............................................................................................................231

Replace cartridge, 0 estimated pages remain [88.xy].....................................................................................231

Replace cartridge, printer region mismatch [42.xy] .......................................................................................231

Replace imaging unit, 0 estimated pages remain [84.xy] ...............................................................................231

Replace jammed originals if restarting job .....................................................................................................232

Replace last scanned page and jammed originals if restarting job.................................................................232

Replace maintenance kit, 0 estimated pages remain [80.xy] .........................................................................232

Replace missing fuser [80.xx]..........................................................................................................................232

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Replace roller kit [81.xx] .................................................................................................................................232

Replace separator pad ....................................................................................................................................232

Replace unsupported cartridge [32.xy] ..........................................................................................................233

Replace unsupported imaging unit [32.xy] .....................................................................................................233

Replace wiper .................................................................................................................................................233

Restore held jobs? ..........................................................................................................................................233

Scan document too long .................................................................................................................................233

Scanner automatic feeder cover open ........................................................................................................... 233

Scanner disabled by admin [840.01]...............................................................................................................233

Scanner disabled. Contact system administrator if problem persists. [840.02] .............................................234

Scanner jam, remove all originals from the scanner [2yy.xx] .........................................................................234

Scanner jam, remove jammed originals from the scanner [2yy.xx] ...............................................................234

Scanner maintenance required soon, use ADF Kit [80] ..................................................................................234

Serial option [x] error [54] .............................................................................................................................. 234

Serial port [x] disabled [56].............................................................................................................................234

Some held jobs were not restored .................................................................................................................234

Standard network software error [54]............................................................................................................235

Standard USB port disabled [56].....................................................................................................................235

Supply needed to complete job......................................................................................................................235

Too many bins attached [58] ..........................................................................................................................235

Too many disks installed [58] .........................................................................................................................235

Too many flash options installed [58].............................................................................................................236

Too many trays attached [58].........................................................................................................................236

Tray [x] paper size unsupported .....................................................................................................................236

Unformatted flash detected [53]....................................................................................................................236

Unsupported camera mode, unplug camera and change mode ....................................................................236

Unsupported disk............................................................................................................................................236

Unsupported option in slot [x] [55] ................................................................................................................ 236

USB port [x] disabled [56] ...............................................................................................................................237

Weblink server not set up. Contact system administrator. ............................................................................237

User attendance messages....................................................................................................................237

User attendance messages (0‑99.99) .............................................................................................................237

Toner level sensing error service check ..........................................................................................................242

Toner cartridge smart chip error service check ..............................................................................................242

Toner add error service check ........................................................................................................................243

Imaging unit smart chip service check............................................................................................................244

Fuser unit smart chip service check ................................................................................................................245

Printer hardware errors........................................................................................................................246

111 errors .......................................................................................................................................................246

111 error messages ....................................................................................................................................246

Printhead service check..............................................................................................................................246

Printhead ID service check .........................................................................................................................247

120 errors .......................................................................................................................................................247

120 error messages ....................................................................................................................................247

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Fuser drive motor service check.................................................................................................................248

121 errors .......................................................................................................................................................248

121 error messages ....................................................................................................................................248

Fuser service check.....................................................................................................................................250

126 errors .......................................................................................................................................................250

126 error messages ....................................................................................................................................250

LVPS failure service check ..........................................................................................................................251

13y errors........................................................................................................................................................251

13y error messages .................................................................................................................................... 251

Toner level sensing service check...............................................................................................................252

14y errors........................................................................................................................................................252

14y error messages .................................................................................................................................... 252

Main drive motor service check .................................................................................................................253

Media feeder service check........................................................................................................................253

Redrive motor service check ......................................................................................................................254

15y errors........................................................................................................................................................254

15y error messages .................................................................................................................................... 254

Duplex motor service check .......................................................................................................................254

Toner add motor service check ..................................................................................................................255

17y errors........................................................................................................................................................255

17y error messages .................................................................................................................................... 255

Main cooling fan service check ..................................................................................................................256

Cartridge cooling fan service check............................................................................................................257

Controller board cooling fan service check ................................................................................................257

Steps before starting the 9yy service checks ..................................................................................................258

900 errors .......................................................................................................................................................259

900 error messages ....................................................................................................................................259

System software error service check .........................................................................................................259

912 errors .......................................................................................................................................................264

912 error messages ....................................................................................................................................264

94y errors........................................................................................................................................................264

94y error messages .................................................................................................................................... 264

950–958 errors ...............................................................................................................................................265

950–958 error messages ............................................................................................................................265

NVRAM mismatch failure service check.....................................................................................................265

ADF/scanner communication failure service check ...................................................................................267

959 errors .......................................................................................................................................................268

959 error messages ....................................................................................................................................268

96y errors........................................................................................................................................................269

96y error messages .................................................................................................................................... 269

RAM memory error service check ..............................................................................................................270

Download emulation cyclic redundancy service check ..............................................................................270

97y errors........................................................................................................................................................270

97y error messages .................................................................................................................................... 270

98y errors.....................................................................................................................

...................................271

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98y error messages .................................................................................................................................... 271

99y errors........................................................................................................................................................271

99y error messages .................................................................................................................................... 271

Base printer symptoms...................................................................................................................................271

Network service check....................................................................................................................................272

Dead machine service check...........................................................................................................................274

Blank display, five beeps service check...........................................................................................................275

ADF/Scanner hardware errors...............................................................................................................276

8yy error messages .........................................................................................................................................276

Flatbed scanner and ADF communications failure service check ................................................................... 276

Flatbed scanner home position error service check .......................................................................................277

ADF elevator tray home position error service check.....................................................................................278

ADF elevator tray motor stalled error service check ......................................................................................279

ADF elevator tray motor time-out error service check...................................................................................280

Flatbed scanner CCD initialization error service check ...................................................................................281

ADF scanner CCD initialization error service check ........................................................................................281

Scan/fax/copy symptoms ...............................................................................................................................281

ADF media present service check ...................................................................................................................282

ADF not responding service check..................................................................................................................282

Input/output option hardware errors...................................................................................................283

3yy error messages .........................................................................................................................................283

321–345 errors ...............................................................................................................................................287

321 error messages ....................................................................................................................................287

322 error messages ....................................................................................................................................287

324 error messages ....................................................................................................................................288

325 error messages ....................................................................................................................................288

331 error messages ....................................................................................................................................288

332 error messages ....................................................................................................................................289

334 error messages ....................................................................................................................................289

335 error messages ....................................................................................................................................289

341 error messages ....................................................................................................................................290

342 error messages ....................................................................................................................................290

344 error messages ....................................................................................................................................291

345 error messages ....................................................................................................................................291

250/550-sheet media feeder failure service check .................................................................................... 291

250/550-sheet transport motor failure service check ...............................................................................293

250/550-sheet controller board failure service check ...............................................................................295

HCIT transport motor failure service check................................................................................................296

HCIT lift drive motor failure service check .................................................................................................298

HCIT lift plate failure service check ............................................................................................................299

377–381 errors ...............................................................................................................................................301

377–379 error messages ............................................................................................................................301

381 error messages ....................................................................................................................................301

Mailbox failure service check ..................................................................................................................... 302

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Option tray symptoms ....................................................................................................................................304

250/550-sheet media type error service check ..............................................................................................305

250/550-sheet tray undetected service check ...............................................................................................307

250/550-sheet option undetected service check ........................................................................................... 308

HCIT incorrect media error service check .......................................................................................................308

HCIT media type error service check ..............................................................................................................310

HCIT undetected service check.......................................................................................................................312

HCIT media low undetected service check .....................................................................................................314

Mailbox incorrect bin exit service check.........................................................................................................316

Mailbox undetected service check .................................................................................................................317

Finisher side door error service check ............................................................................................................318

Finisher cartridge error service check ............................................................................................................319

Finisher undetected service check..................................................................................................................321

Finisher bin error service check .....................................................................................................................321

Finisher door undetected service check ........................................................................................................323

Stapler carriage failure service check .............................................................................................................324

Finisher bin media present error service check ..............................................................................................325

Stuck media on hole puncher service check ...................................................................................................326

Missing or misaligned hole punch service check ............................................................................................326

Hole punch box undetected service check .....................................................................................................328

Finisher door (HPU) undetected service check...............................................................................................329

Service menus..........................................................................................331

Understanding the printer control panel..............................................................................................331

Using the printer control panel.......................................................................................................................331

Understanding the colors of the Sleep button and indicator lights................................................................332

Understanding the home screen ....................................................................................................................333

Using the touch-screen buttons .....................................................................................................................334

Menus list..............................................................................................................................................336

Diagnostics menu..................................................................................................................................336

Entering the Diagnostics menu.......................................................................................................................336

REGISTRATION ................................................................................................................................................337

Scanner calibration .........................................................................................................................................337

PRINT TESTS ....................................................................................................................................................338

Print Quality Pages .....................................................................................................................................338

HARDWARE TESTS ..........................................................................................................................................339

Panel Test ...................................................................................................................................................339

Button Test.................................................................................................................................................339

DRAM Test..................................................................................................................................................339

Serial Wrap Test .........................................................................................................................................340

USB HS Test Mode......................................................................................................................................341

Beacons Test ..............................................................................................................................................341

DUPLEX TESTS .................................................................................................................................................341

Quick Test...................................................................................................................................................341

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Top Margin .................................................................................................................................................342

Sensor Test .................................................................................................................................................342

Motor Test..................................................................................................................................................343

Duplex Feed 1.............................................................................................................................................343

Duplex Feed 2.............................................................................................................................................343

INPUT TRAY TESTS .......................................................................................................................................... 344

Feed Tests ..................................................................................................................................................344

Sensor Tests ...............................................................................................................................................344

OUTPUT BIN TESTS .........................................................................................................................................345

Feed Tests ..................................................................................................................................................345

Feed To All Bins ..........................................................................................................................................345

Sensor Test .................................................................................................................................................345

Diverter Test...............................................................................................................................................346

FINISHER TESTS ...............................................................................................................................................346

Staple Test ..................................................................................................................................................346

Hole Punch Test..........................................................................................................................................346

Feed Test (finisher).....................................................................................................................................347

Finisher Sensor Test ...................................................................................................................................347

BASE SENSOR TEST..........................................................................................................................................347

DEVICE TESTS ..................................................................................................................................................348

Quick Disk Test ...........................................................................................................................................348

Disk Test/Clean...........................................................................................................................................348

Flash Test....................................................................................................................................................349

PRINTER SETUP ...............................................................................................................................................349

Defaults ......................................................................................................................................................349

Printed Page Count.....................................................................................................................................350

Permanent Page Count (Perm page count)................................................................................................350

Processor ID................................................................................................................................................350

Engine Setting [x] .......................................................................................................................................350

Edge to Edge............................................................................................................................................... 350

Parallel Strobe Adjustment (Par 1 Strobe Adj) ...........................................................................................350

EP SETUP .........................................................................................................................................................351

EP Defaults .................................................................................................................................................351

Fuser Temperature (Fuser Temp)...............................................................................................................351

Fuser Page Count .......................................................................................................................................351

Warm Up Time ...........................................................................................................................................351

Transfer ......................................................................................................................................................352

Print Contrast .............................................................................................................................................352

Charge Roll .................................................................................................................................................352

Gap Adjust ..................................................................................................................................................352

Automatic Darkness Adjust (Auto Dark Adj) .............................................................................................. 352

REPORTS .........................................................................................................................................................353

Menu Settings Page....................................................................................................................................353

Installed Licenses........................................................................................................................................353

EVENT LOG......................................................................................................................................................353

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Display Log .................................................................................................................................................353

Print Log .....................................................................................................................................................354

Clear Log.....................................................................................................................................................354

Print Log Summary ..................................................................................................................................... 354

Exit Diags.........................................................................................................................................................354

SCANNER TESTS ..............................................................................................................................................355

Back Side Scan Uniformity..........................................................................................................................355

ASIC Test.....................................................................................................................................................355

Motor Tests ................................................................................................................................................355

Feed Test ....................................................................................................................................................355

Sensor Test .................................................................................................................................................356

Scanner Calibration Reset ..........................................................................................................................356

ADF Magnification and Flatbed Magnification...........................................................................................356

Configuration menu..............................................................................................................................356

Entering the Configuration menu ................................................................................................................... 356

Roller Kit Counter Value..................................................................................................................................357

Reset Roller Kit Counter..................................................................................................................................357

Reset Separator Roll and Pick Assembly Counter ........................................................................................... 357

USB Scan to Local............................................................................................................................................357

Print Quality Pages..........................................................................................................................................358

Reports ...........................................................................................................................................................358

Menu Settings Page....................................................................................................................................358

Event Log ....................................................................................................................................................358

Size sensing .....................................................................................................................................................359

Panel Menus ...................................................................................................................................................359

PPDS Emulation ..............................................................................................................................................359

Download Emuls .............................................................................................................................................359

Safe Mode.......................................................................................................................................................360

Factory Defaults..............................................................................................................................................360

Energy Conserve .............................................................................................................................................360

Min copy memory...........................................................................................................................................361

Fax low power support ...................................................................................................................................361

Num pad job assist..........................................................................................................................................361

Format fax storage..........................................................................................................................................361

ADF edge erase ...............................................................................................................................................362

Scanner Manual Registration..........................................................................................................................362

Disable scanner...............................................................................................................................................362

Paper Prompts ................................................................................................................................................362

Envelope Prompts...........................................................................................................................................363

Action for Prompts..........................................................................................................................................363

Jobs on Disk ....................................................................................................................................................364

Disk Encryption ...............................................................................................................................................364

Wipe All Settings.............................................................................................................................................364

Font Sharpening..............................................................................................................................................364

A4 Fuser ..........................................................................................................................................................365

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Require Standby..............................................................................................................................................365

A5 Loading ......................................................................................................................................................365

UI Automation ................................................................................................................................................366

LES Applications ..............................................................................................................................................366

Key Repeat Initial Delay ..................................................................................................................................366

Key Repeat Rate..............................................................................................................................................367

Clear Supply Usage History .............................................................................................................................367

Clear Custom Status........................................................................................................................................367

USB Speed.......................................................................................................................................................367

Automatically Display Error Screens ...............................................................................................................368

USB PnP ..........................................................................................................................................................368

Restore factory defaults .................................................................................................................................368

Restore Settings .........................................................................................................................................368

Erase Printer Memory ................................................................................................................................ 368

Erase Hard Disk...........................................................................................................................................369

Entering invalid engine mode................................................................................................................369

Entering recovery mode........................................................................................................................369

Accessing the Network SE menu...........................................................................................................369

Service Engineer menu..........................................................................................................................370

Accessing the service engineer (SE) menu...................................................................................................... 370

Service engineer (SE) menu ............................................................................................................................370

Repair information...................................................................................371

Removal precautions.............................................................................................................................371

Data security notice ........................................................................................................................................371

Handling ESD‑sensitive parts ..........................................................................................................................372

Controller board/control panel replacement .................................................................................................372

Restoring the printer configuration after replacing the controller board ......................................................373

Restoring solutions, licenses, and configuration settings ...............................................................................376

Updating the printer firmware ......................................................................................................................377

Backing up eSF solutions and settings ............................................................................................................378

Ribbon cable connectors ................................................................................................................................379

Zero Insertion Force (ZIF) connectors ........................................................................................................379

Horizontal top contact connector ..............................................................................................................380

Horizontal bottom contact connector........................................................................................................383

Vertical mount contact connector .............................................................................................................386

Horizontal sliding contact connector .........................................................................................................389

Low Insertion Force (LIF) connector........................................................................................................... 392

Adjustments..........................................................................................................................................393

Media aligner roller adjustment .....................................................................................................................393

Polygon printhead mechanical registration adjustment ................................................................................394

ADF skew adjustments....................................................................................................................................397

ADF front side skew adjustment (First step) ..............................................................................................397

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ADF front side skew adjustment (Second step) .........................................................................................399

ADF back side skew adjustment .................................................................................................................400

Media squareness check.................................................................................................................................401

Print skew correction......................................................................................................................................402

Copy skew correction .....................................................................................................................................404

Scanner calibration .........................................................................................................................................405

Regenerating high frequency defect data ..................................................................................................405

Registering the front ADF and back ADF ....................................................................................................406

Registering the flatbed and front ADF........................................................................................................408

Retuning the ADF magnification ................................................................................................................412

Retuning the flatbed magnification (code P132 or greater) ...................................................................... 413

Removal procedures.............................................................................................................................414

Left side removals.................................................................................................................................414

Column left front cover removal (MX81x) ...................................................................................................... 414

Column left outer cover removal (MX81x) .....................................................................................................415

Left cover removal (MX71x)............................................................................................................................416

Left cover removal (MX81x)............................................................................................................................418

Left inner cover removal.................................................................................................................................420

Controller board removal ...............................................................................................................................422

Controller board access cover removal ..........................................................................................................423

Controller board access shield removal..........................................................................................................424

Controller board cooling fan removal.............................................................................................................424

Fuser drive motor removal .............................................................................................................................425

Main cooling fan removal ...............................................................................................................................427

Main drive motor removal..............................................................................................................................428

Media feeder removal ....................................................................................................................................429

Board housing removal...................................................................................................................................431

Sensor (control panel interlock) removal .......................................................................................................432

Sensor (pick roller position) removal..............................................................................................................433

Toner add motor removal...............................................................................................................................434

Right side removals...............................................................................................................................435

Column right inner cover removal ..................................................................................................................435

Column right outer cover removal..................................................................................................................437

Right cover removal (MX71x) .........................................................................................................................438

Right cover removal (MX81x) .........................................................................................................................439

Right inner cover removal (MX71x) ................................................................................................................440

Control panel speaker and speaker bracket removal (MX71x).......................................................................441

Cartridge cooling fan removal ........................................................................................................................442

Duplex cooling fan removal ............................................................................................................................443

HVPS removal .................................................................................................................................................444

LVPS removal ..................................................................................................................................................445

Power switch removal ....................................................................................................................................448

Front side removals...............................................................................................................................451

Duplex exit diverter removal ..........................................................................................................................451

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Front door removal.........................................................................................................................................453

Inner guide deflector removal ........................................................................................................................455

Laser printhead removal.................................................................................................................................457

Media aligner roller removal ..........................................................................................................................460

Media turn guide removal ..............................................................................................................................462

Media vertical guide removal .........................................................................................................................463

MPF feeder lift plate removal.........................................................................................................................465

MPF pick roller removal..................................................................................................................................468

MPF solenoid removal ....................................................................................................................................470

MPF tray removal ...........................................................................................................................................472

Sensor (input) removal ...................................................................................................................................473

Sensor (toner density) removal ......................................................................................................................475

Transfer roller left arm with cable removal ....................................................................................................476

Transfer roller right arm removal ...................................................................................................................477

Transfer roller removal ...................................................................................................................................480

10‑inch display (MX81x) removal ...................................................................................................................483

10‑inch display (MX711) removal ...................................................................................................................487

Control panel removal (MX71x)......................................................................................................................488

Control panel removal (MX81x)......................................................................................................................491

Control panel board removal (MX71x) ...........................................................................................................494

Control panel board and display removal (MX711) ........................................................................................496

Control panel board removal (MX81x) ...........................................................................................................498

Control panel board and display removal (MX81x) ........................................................................................502

Control panel front cover removal .................................................................................................................510

Control panel latch removal ...........................................................................................................................512

Control panel left bezel removal (MX71x) ......................................................................................................513

Control panel right bezel removal (MX71x)....................................................................................................515

Left control panel hinge removal....................................................................................................................516

Right control panel hinge removal..................................................................................................................519

Tilting display removal (7‑inch and 10‑inch)................................................................................................... 522

Standard bin LED board removal ....................................................................................................................524

Control panel cover removal ..........................................................................................................................525

Control panel buttons removal.......................................................................................................................526

Control panel speaker removal (MX81x) ........................................................................................................ 527

USB cable removal ..........................................................................................................................................528

Bottom side removals...........................................................................................................................528

Duplex (MX71x) removal ................................................................................................................................528

Duplex (MX81x) removal ................................................................................................................................530

Duplex front flap removal...............................................................................................................................532

Duplex rear flap removal ................................................................................................................................533

Left frame extension removal (MX71x) ..........................................................................................................534

Left frame extension removal (MX81x) ..........................................................................................................536

Media tray removal ........................................................................................................................................538

Media size actuator removal ..........................................................................................................................539

Pick roller assembly removal ..........................................................................................................................541

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Sensor (duplex path) removal.........................................................................................................................542

Sensor (tray 1 media out) removal .................................................................................................................543

Separator roller assembly removal.................................................................................................................545

Right frame extension (MX71x) ......................................................................................................................545

Right frame extension removal (MX81x) ........................................................................................................547

Rear side removals................................................................................................................................549

Rear door removal .......................................................................................................................................... 549

Rear lower cover removal...............................................................................................................................551

Rear lower door removal (MX81x) .................................................................................................................552

Duplex motor removal....................................................................................................................................553

Fuser removal .................................................................................................................................................556

Fuser access door removal .............................................................................................................................557

Left frame pivot removal ................................................................................................................................558

Right frame pivot removal ..............................................................................................................................559

Sensor (rear door interlock) removal..............................................................................................................560

Top side removals.................................................................................................................................561

Top cover removal ..........................................................................................................................................561

Cartridge door removal ..................................................................................................................................561

Output bin sensor cover removal ...................................................................................................................564

Sensor (standard bin full) removal .................................................................................................................564

Standard bin cover removal (MX71x) .............................................................................................................565

Standard bin cover removal (MX81x) .............................................................................................................567

Upper redrive motor removal.........................................................................................................................569

Upper redrive removal....................................................................................................................................571

ADF/scanner removals..........................................................................................................................572

ADF/scanner assembly removal .....................................................................................................................572

ADF removals ..................................................................................................................................................576

ADF assembly removal ...............................................................................................................................576

ADF bottom door removal .........................................................................................................................577

ADF scanner CCD removal..........................................................................................................................579

ADF controller card removal ......................................................................................................................582

ADF door removal ......................................................................................................................................583

ADF feed belt removal................................................................................................................................584

ADF float plate with springs removal .........................................................................................................585

ADF front cover removal ............................................................................................................................ 587

ADF front side drive parts pack removal ....................................................................................................588

ADF input tray removal .............................................................................................................................. 589

ADF left hinge removal...............................................................................................................................591

ADF left lower cover removal.....................................................................................................................592

ADF lift tray removal .................................................................................................................................. 594

ADF pick roller cover removal ....................................................................................................................595

ADF pick roller removal ..............................................................................................................................596

ADF push button switch sensor removal....................................................................................................597

ADF rear cover removal..............................................................................................................................598

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ADF rear side drive parts pack removal .....................................................................................................600

ADF right hinge removal.............................................................................................................................600

ADF separation guide removal ...................................................................................................................601

ADF separator roller removal .....................................................................................................................602

Sensor (ADF 1st scan) removal...................................................................................................................604

Sensor (ADF elevator tray home position) removal ...................................................................................605

Sensor (ADF lower door interlock) removal ...............................................................................................606

Sensor (ADF top door interlock) removal...................................................................................................607

ADF tray lift drive removal .........................................................................................................................608

Bin extension removal................................................................................................................................612

Deskew idler shaft removal........................................................................................................................612

First scan roll drive gear (40t) removal.......................................................................................................613

Interrupt with flag sensor (ADF 2nd scan) removal ...................................................................................614

Interrupt with flag sensor (ADF media exit) removal.................................................................................615

Magnetic clutch removal............................................................................................................................617

Multifeed sensor parts kit removal ............................................................................................................618

Sensor (ADF gap detect) removal...............................................................................................................620

Sensor (ADF media present) removal.........................................................................................................621

Sensor (ADF pick) removal .........................................................................................................................622

Sensor (ADF skew detect) removal ............................................................................................................623

Separation roll drive gear (29t) removal ....................................................................................................624

Flatbed scanner removals...............................................................................................................................625

Scanner unit removal .................................................................................................................................625

Flatbed scanner assembly removal ............................................................................................................627

Flatbed scanner front cover removal .........................................................................................................630

Flatbed glass cushion removal ...................................................................................................................632

Flatbed scanner left cover removal topic...................................................................................................633

Flatbed scanner right cover removal..........................................................................................................634

Flatbed scanner CCD removal ....................................................................................................................634

Flatbed scanner drive parts kit removal.....................................................................................................638

Flatbed scanner glass removal ...................................................................................................................641

Flatbed scanner board removal .................................................................................................................643

Flatbed tension pulley with belt removal...................................................................................................644

250/550-sheet media tray option removals (MX710 and MX711).......................................................648

250/550-sheet media tray option removal.....................................................................................................648

Media tray separation roller removal.............................................................................................................648

Media tray assembly removal.........................................................................................................................649

Media tray front cover removal...................................................................................................................... 649

Drawer pick roller removal ............................................................................................................................650

Sensor (pick roll position) removal ................................................................................................................650

Drawer assembly rear cover removal .............................................................................................................651

Drawer assembly left cover removal ..............................................................................................................652

Drawer controller board removal ...................................................................................................................653

Drawer upper interface cable removal...........................................................................................................654

Drawer lower interface cable removal ...........................................................................................................655

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Drawer media feeder removal .......................................................................................................................656

Drawer transport motor removal ...................................................................................................................658

Sensor (drawer pass through) removal ..........................................................................................................659

Sensor (pick) removal .....................................................................................................................................661

High capacity input tray option removals (MX710 and MX711)...........................................................664

High capacity input tray option removal ........................................................................................................664

HCIT removal ..................................................................................................................................................665

HCIT drawer assembly removal ......................................................................................................................665

HCIT separator roller assembly removal.........................................................................................................666

HCIT media guide removal..............................................................................................................................667

HCIT front cover removal................................................................................................................................668

HCIT pick roller assembly removal..................................................................................................................670

HCIT rear cover removal .................................................................................................................................671

HCIT left cover removal ..................................................................................................................................672

HCIT right cover removal ................................................................................................................................674

HCIT controller board removal .......................................................................................................................676

HCIT top cover assembly removal ..................................................................................................................677

HCIT lift drive motor removal .........................................................................................................................679

HCIT interface cable removal..........................................................................................................................681

Sensor (HCIT media low) with flag removal....................................................................................................682

Sensor (HCIT pick roller position) removal .....................................................................................................683

Sensor (HCIT pick) removal .............................................................................................................................685

HCIT media feeder removal ............................................................................................................................686

550-sheet media tray option removals (MX810, MX811, and MX812).................................................688

550-sheet media tray option removal ............................................................................................................688

Media tray separation roller removal.............................................................................................................689

Media tray assembly removal.........................................................................................................................689

Media tray front cover removal...................................................................................................................... 689

Drawer pick roller removal ............................................................................................................................690

Sensor (pick roll position) removal ................................................................................................................690

Drawer assembly rear cover removal .............................................................................................................691

Drawer assembly left cover removal ..............................................................................................................692

Drawer controller board removal ...................................................................................................................693

Drawer upper interface cable removal...........................................................................................................694

Drawer lower interface cable removal ...........................................................................................................695

Drawer media feeder removal .......................................................................................................................696

Drawer transport motor removal ...................................................................................................................698

Sensor (drawer pass through) removal ..........................................................................................................699

Sensor (pick) removal .....................................................................................................................................701

High capacity input tray option removals (MX810, MX811, and MX812).............................................704

High capacity input tray option removal ........................................................................................................704

HCIT removal ..................................................................................................................................................705

HCIT drawer assembly removal ......................................................................................................................705