Tektronix Phaser 550 User manual

Service Manual

Phaser

®

550 Color Printer

Warning

The following servicing instructions are for

use by qualified service personnel only. To

avoid personal injury, do not perform any

servicing other than that contained in

operating instructions unless you are qualified

to do so.

This printing February 1996

070-9322-00

Copyright

©

1996 by Tektronix, Inc., Wilsonville, Oregon. Printed in the United States of America. All rights

reserved. Contents of this publication may not be reproduced in any form without permission of Tektronix, Inc.

This instrument, in whole or in part, may be protected by one or more U.S. or foreign patents or patent applications.

Information provided upon request from Tektronix, Inc., P.O. Box 1000, Wilsonville, Oregon 97070-1000.

If acquired subject to FAR or DFARS, the following shall apply:

■

Unpublished — rights reserved under the copyright laws of the United States.

■

Restricted Rights Legend — Use, duplication or disclosures by the government is subject to restrictions as set forth

in subparagraph (c) (1)(ii) of the Rights in Technical Data and Computer Software at DFARS 252.227-7013, or in

subparagraph (c) (2) of the Commercial Computer Software – Restricted Rights clause at FAR 52.227-19, as

applicable. Tektronix, Inc., P.O. Box 1000, Wilsonville, Oregon 97070-1000.

Tektronix

®

is a registered trademark of Tektronix, Inc. TekColor™ and Photoﬁne™ are trademarks of Tektronix, Inc.

Phaser™ is a trademark of Tektronix, Inc. for color printers and related products.

Adobe™ and PostScript™ are trademarks of Adobe Systems, Incorporated which may be registered in certain

jurisdictions.

EtherTalk

®

is a registered trademark of Apple Computer, Incorporated.

Times™, Helvetica™, and Palatino™ are trademarks of Linotype-Hell AG and/or its subsidiaries.

Micronta

®

is a registered trademark of Radio Shack.

Microsoft

®

and Microsoft Windows® are registered trademarks of Microsoft Corporation.

Novell

®

and NetWare

®

are registered trademarks of Novell, Inc.

OS/2

®

is a registered trademark of International Business Machine Corporation.

PANTONE

®

* Colors generated by the Phaser 550 Color Printer are four-color process simulations and may not

match PANTONE-identiﬁed solid color standards. Use current PANTONE Color Reference Manuals for accurate

colors.

PANTONE Color simulations are only obtainable on these products when driven by qualiﬁed Pantone-licensed

software packages. Contact Pantone, Inc. for a current list of qualiﬁed licensees.

* Pantone, Inc.’s check-standard trademark for color reproduction and color reproduction materials.

reserved. PC/TCP for DOS is based on a set of programs originally designed and developed by the Massachusetts

Institute of Technology. FTP Software has made extensive modiﬁcations and enhancements to the M.I.T. programs.

TokenTalk® is a registered trademark of Apple Computer, Incorporated.

TORX™ is a trademark of TEKTRON.

The X Window System™ is a trademark of Massachusetts Institute of Technology.

Other marks are trademarks or registered trademarks of the companies with which they are associated.

TE/JG/CC

Users safety summary

Terms in manual:

CAUTION Conditions that can result in damage to the product.

WARNING Conditions that can result in personal injury or loss of life.

Power source:

Does not apply more than 250 volts RMS between the supply conductors or between either supply

conductor and ground. Use only the speciﬁed power cord and connector. Refer to a qualiﬁed service technician for

changes to the cord or connector.

Operation of product:

Avoid electric shock by contacting a qualiﬁed service technician to replace fuses inside the

product. Do not operate without the covers and panels properly installed. Do not operate in an atmosphere of

explosive gases.

Safety instructions:

Read all installation instructions carefully before you plug the product into a power source.

Terms on product:

CAUTION A personal injury hazard exists that may not be apparent. For example, a panel may

cover the hazardous area. Also applies to a hazard to property including the product itself.

DANGER A personal injury hazard exists in the area where you see the sign.

Care of product:

Disconnect the power plug by pulling the plug, not the cord. Disconnect the power plug if the

power cord or plug is frayed or otherwise damaged, if you spill anything into the case, if product is exposed to any

excess moisture, if product is dropped or damaged, if you suspect that the product needs servicing or repair, and

whenever you clean the product.

Ground the product:

Plug the three-wire power cord (with grounding prong) into grounded AC outlets only. If

necessary, contact a licensed electrician to install a properly grounded outlet.

Symbols as marked on product:

DANGER high voltage:

Protective ground (earth) terminal:

Use caution. Refer to the manual(s) for information:

Laser use caution. Refer to the manual(s) for information:

WARNING:

If the product loses the ground connection, usage of knobs and controls (and other conductive parts) can

cause an electrical shock. Electrical product may be hazardous if misused.

!

Service safety summary

For qualiﬁed service personnel only:

Refer also to the preceding Users Safety Summary.

Do not service alone:

Do not perform internal service or adjustment of this product unless another person capable of

rendering ﬁrst aid or resuscitation is present.

Use care when servicing with power on:

Dangerous voltages may exist at several points in this product. To avoid

personal injury, do not touch exposed connections and components while power is on.

Disconnect power before removing the power supply shield, soldering, or replacing components.

Do not wear jewelry:

Remove jewelry prior to servicing. Rings, necklaces, and other metallic objects could come into

contact with dangerous voltages and currents.

Power source:

This product is intended to operate from a power source that will not apply more than 250 volts rms

between the supply conductors or between either supply conductor and ground. A protective ground connection by

way of the grounding conductor in the power cord is essential for safe operation.

This product is certiﬁed under IEC 825 as a Class 1 Laser Product.

9008-78

DANGER:

Invisible laser radiation

when open and interlock

defeated.

AVOID DIRECT

EXPOSURE TO BEAM.

CAUTION:

Invisible laser radiation

when open and

interlocks defeated.

AVOID DIRECT

EXPOSURE TO BEAM.

VORSICHT:

Unsichtbare Laserstrahlung,

wenn Abdeckung geöffnet

und Sicherheitsverriegelung

überbrückt.

NICH DEM STRAHL

AUSSETZEN.

ATTENTION:

Rayonnement laser invisible

dangereux en cas

d'ouverture et lorsque

la sécurité est neutralisée.

EXPOSITION DANGEREUSE

AU FAISCEAU.

Class 3B

PELIGRO:

Cuando se abre y se

invalida el bloqueo, se

producen radiaciones

invisibles de láser.

EVITESE LA

EXPOSICION

DIRECTA A TALES

RAYOS.

´

VARNING:

Osynlig laser-

strálning när denna

del är öppnad och

spärrar är

urkopplade.

STRÅLEN

ÄR FARLIG.

VARNING:

Osynlig laserstrálning

när denna del är

öppnad och spärrar är

urkopplade.

BETRAKTA EJ

STRÅLEN.

VAROI:

Näkymätön

avattaessa ja

suojalukitus

ohitettaessa olet

alttiina lasersäteilylle.

ÄLÄ KATSO

SÄTEESEN.

ADVARSEL:

Usynlig laserstràling

ved abning når

sikkerhedsafbrydere

er ude af funktion.

UNDGÅ UD

ÆTTELSE FOR

STRÅLING.

ADVARSEL:

Usynlig laserstraling

nar deksel åpnes og

sikkerhedslas brytes.

UNNGÅ

EKSPONERING

FOR STRÅLEN.

PJQT4521ZA

Service Manual

v

Contents

1 General Information

The Phaser 550 Color Printer 1-2

RAM and printer capabilities 1-3

Print engine assemblies 1-4

Front panel 1-7

Rear panel 1-9

Network card LEDs 1-10

Test print button 1-11

Health LED 1-12

Media tray type sensing 1-12

Specifications 1-14

Regulatory specifications 1-17

2 Installing the Printer and Drivers

Pre-install questions for customers 2-2

Unpacking 2-5

Printer inventory 2-5

Accessory box 2-5

Setting up the printer 2-7

Installing SIMM memory 2-7

Installing a font SIMM 2-7

Installing a network card 2-7

Cabling the printer 2-8

Connecting the printer to a Macintosh 2-8

LocalTalk connection to a Macintosh 2-8

Ethernet connection to a Macintosh 2-8

Connecting the printer to a PC 2-9

Direct connection to a PC 2-9

Networked connection using the Ethernet port 2-9

Networked connection using the Token ring port 2-9

Connecting the printer to a workstation 2-10

Direct connection to the workstation 2-10

Networked connection to a workstation 2-10

Networked connection using the Token Ring port 2-10

Connecting an optional SCSI hard disk drive to the printer 2-11

Connecting the optional CopyStation to the printer 2-12

Turning on the printer 2-13

The startup page 2-13

The configuration page 2-14

vi

Phaser 550 Color Printer

Driver and communication set up 2-21

Loading the LaserWriter PPD file 2-21

Installing a printer driver for Microsoft Windows 95 2-22

Installing the Tektronix driver for Windows 3.1 2-24

If you have other Tektronix printer drivers already installed 2-24

Configuring the Tektronix Windows printer driver 2-25

Updating the standard Microsoft Windows PostScript driver 2-27

Installing the printer driver for OS/2 Version 2 2-28

Setting the printer’s IP address using the front panel 2-30

Configuring the printer's serial port for a PC 2-31

Using printcap to configure a workstation for the printer's serial port 2-33

Configuring a Novell NetWare server for the printer 2-34

Configuring TCP/IP on a UNIX host 2-35

3 Verifying the Printer and Host Connections

Macintosh verification 3-1

Selecting the printer via the Chooser 3-1

Printing the directory from a Macintosh 3-3

Verifying that an application communicates to the printer 3-4

Using the Error Handler utility 3-4

PC verification 3-5

DOS connection verification 3-5

Windows 95 driver verification 3-5

Windows 3.1 driver verification 3-6

OS/2 connection verification 3-6

Novell NetWare verification 3-7

Send a print file to the printer 3-7

Using the Error Handler utility 3-8

Workstation verification 3-9

Verifying connection and printing using TCP/IP protocols 3-9

Using the Error Handler utility 3-10

Service Manual

vii

4 Key Operator Training

Overview 4-1

Printer controls and indicators 4-2

Loading media 4-3

Customer-replaceable consumables 4-4

Imaging unit 4-4

Toner cartridges 4-4

Transfer roller 4-4

Fuser 4-4

Clearing paper jams 4-5

Cleaning 4-5

Warranty information 4-6

Service support 4-6

Supplies ordering 4-7

If you need help 4-7

Using the automated fax systems 4-7

Tektronix Color Printer Information Server 4-10

Customer Support Hotline 4-10

Service support 4-11

Electronic bulletin board service 4-11

5 Theory of Operation

Overview 5-1

Functional block diagram 5-2

Laser imaging 5-4

Overview 5-4

Pre-exposure 5-6

Electrostatic charging 5-7

Laser exposure 5-8

The laser scanner 5-9

Toner pickup (development) 5-10

Toner transfer to the accumulator belt 5-11

Paper picking 5-12

Toner transfer to paper 5-13

Fusing and exiting 5-14

Print modes 5-15

Printer color correction 5-16

Power supply 5-17

Image processor 5-18

Image rendering technology 5-18

viii

Phaser 550 Color Printer

6 Troubleshooting

System power-up sequence 6-1

Print engine troubleshooting 6-2

Testing the print engine 6-2

Verifying printer operation by using its self-test print 6-3

Verifying power supply operation 6-3

Measuring power supply voltages 6-3

Inspecting the power supply fuses 6-5

Safety interlocks 6-5

Testing for a shorted motor 6-6

Testing motor resistances 6-7

Media jams and the paper path 6-8

Media-based problems 6-8

Media problems 6-8

Multiple-sheet pick 6-8

The printer is not distinguishing between paper and transparency film 6-9

The media skews passing through the paper path 6-9

Paper tray indicates empty when it is not 6-10

No paper feeder installed 6-10

No imaging unit installed 6-10

Jams 6-11

Paper mis-picks at the paper tray 6-11

Paper jams midway in the paper feeder 6-11

Paper jams at the second bias transfer roller 6-12

Fuser jams 6-13

Eject jams 6-13

Manual feed jams 6-14

Other problems 6-15

The printer continuously displays “Initializing” 6-15

Transfer roller waste tray indicates not full when it is 6-15

No toner cartridge installed when it is 6-16

No fuser installed when it is 6-16

Front door open when it is closed 6-16

Left-side door open when it is not 6-16

High temperature error 6-17

Low temperature error 6-17

High voltage error 6-17

Thermistor open error 6-18

Power supply fan does not run 6-18

Front Panel Cycling between READY and WARMING UP 6-18

Service Manual

ix

Error messages 6-19

Print engine error codes 6-19

Printing and print quality problems 6-24

Blank print 6-24

All-black print 6-24

Missing primary color 6-25

Light print 6-25

Repeated spots or lines on print in-line with each other 6-26

Dark vertical line in print 6-26

Missing primary color on one side of print 6-26

White horizontal line or band in all the colors of a print 6-27

White vertical lines in the print 6-27

Dirty background 6-27

Mis-transfer, missing portions of toner 6-27

Partial black dots 6-27

Dark, irregular steaks in all colors 6-28

Ghosting 6-28

Unfused or partially fused printing 6-28

Image is skewed on the paper 6-28

Stains on the back of the print 6-29

No printing on edge of print 6-29

Image is not centered on the print when it should be 6-29

The print is wrinkled 6-30

Macintosh printing problems 6-31

Image never prints 6-31

Image prints in black-and-white 6-31

Image is rotated 90 degrees 6-31

Printer isn’t in the Chooser 6-32

PC DOS printing problems 6-32

Image never prints 6-32

Windows printing problems 6-34

Image never prints 6-34

Blue color on the screen is printing too purple 6-34

Windows message “Problem writing device LPT1: Cancel or Retry” 6-34

Workstation printing problems 6-35

Image never prints 6-35

x

Phaser 550 Color Printer

7 Cleaning and Maintenance

Service preventive maintenance procedure 7-1

Recommended tools 7-1

Cleaning 7-2

Lubrication 7-2

8 FRU Disassembly/Assembly

Required tools 8-1

The printer cabinet 8-2

Upper rear cover 8-2

Lower rear cover 8-2

Top cover 8-2

Left door (for paper feeder access) 8-2

Left side cover 8-2

Manual feed tray 8-2

Front door 8-4

Upper and lower front covers 8-4

Bottom front cover 8-4

Front panel board 8-4

Toner level sensor board 8-4

Right side covers (front, rear and lower) 8-5

Paper feeder 8-6

Paper tray sensor board 8-6

Cartridge selector/eject unit (right door) 8-8

Laser scanner 8-9

Laser motor drive board 8-10

Power supply 8-11

Fuser installed switch 8-11

Power supply fuse 8-13

Printer rear assemblies 8-14

Engine control board 8-14

Engine driver board 8-14

Charger sensor board 8-15

Main motor 8-16

Paper feed motor 8-16

Cleaning board 8-16

Toner cartridge drive unit 8-18

Home position sensor assembly and the left door opened switch 8-18

Service Manual

xi

High-voltage board 8-20

Pre-exposure lamp 8-21

Pre-transfer lamp 8-21

Toner auto-density sensor 8-21

Image processor board 8-23

Installing RAM SIMMs 8-24

Installing an Extended Features SIMM 8-26

Installing a network card 8-28

Replacing the code ROM SIMM 8-29

9 Checks and Adjustments

Required tools 9-1

Front panel menu 9-2

Printing test prints 9-4

Print service test prints 9-4

Printing the configuration page 9-4

Printing the demonstration pages 9-4

Printing the print engine’s test print 9-4

Image processor normal indicators 9-5

Image processor hard and soft error indicators 9-5

Printer self-diagnostics 9-6

Service mode status code meanings 9-11

Resetting NVRAM 9-31

Print engine calibration 9-32

Printer color correction 9-32

Starting printer semi-automatic color correction 9-32

Manually setting color corrections 9-32

Checking print registration 9-34

A Field Replaceable Units List

B Test Prints

C Wiring Diagram

D Test Pattern Generator

Index

xii

Phaser 550 Color Printer

Figures

Figure 1-1

The Phaser 550 Color Printer 1-1

Figure 1-2

Print engine major components 1-4

Figure 1-3

Print engine components (continued) 1-5

Figure 1-4

Print engine sensor, switch and solenoid locations 1-6

Figure 1-5

The front panel and its functions 1-8

Figure 1-6

The Phaser 550 rear panel 1-10

Figure 1-7

Tray switch sensors and actuators 1-13

Figure 2-1

The Phaser 550 and its packaging 2-6

Figure 2-2

Connecting a SCSI hard disk drive to the Phaser 550 2-11

Figure 2-3

Connecting a CopyStation to the Phaser 550 2-12

Figure 5-1

Block diagram of the printer 5-2

Figure 5-2

Laser printing process overview 5-5

Figure 5-3

Pre-exposing the photoconductive belt 5-6

Figure 5-4

Electrostatic charging of the photoconductive belt 5-7

Figure 5-5

Laser exposure of the photoconductive belt 5-8

Figure 5-6

The laser scanner 5-9

Figure 5-7

Toner pickup 5-10

Figure 5-8

Toner transfer to the accumulator belt 5-11

Figure 5-9

Paper picking 5-12

Figure 5-10

Transferring toner to the paper 5-13

Figure 5-11

Fusing the toner to the paper 5-14

Figure 5-12

Print modes and printing dots 5-15

Figure 5-13

The power supply 5-17

Figure 5-14

The image processor graphics pipeline 5-19

Figure 6-1

Measuring the DC voltages (test points) 6-4

Figure 6-2

Door safety interlock switches 6-6

Service Manual

xiii

Figure 8-1

Removing cabinet covers 8-3

Figure 8-2

Removing cabinet covers 8-5

Figure 8-3

Removing the paper feeder and the paper tray sensor board 8-7

Figure 8-4

Removing the cartridge selector/eject unit 8-8

Figure 8-5

Removing the laser scanner 8-9

Figure 8-6

Removing the laser modulation board 8-10

Figure 8-7

Removing the power supply and the fuser installed switch 8-12

Figure 8-8

Replacing the power supply fuse 8-13

Figure 8-9

Removing the engine control, engine driver and charger sensor boards 8-15

Figure 8-10

Removing the main motor, paper-feed motor and cleaning board 8-17

Figure 8-11

Removing the toner cartridge drive unit, home position sensor and

the left door interlock switch 8-19

Figure 8-12

Removing the high-voltage board 8-20

Figure 8-13

Removing the pre-exposure lamp, pre-transfer lamp and toner auto-density sensor 8-22

Figure 8-14

Removing the image processor board 8-23

Figure 8-15

Installing RAM SIMMs 8-25

Figure 8-16

Installing an extended feature SIMM 8-27

Figure 8-17

Installing a network card in the printer 8-28

Figure 8-18

Installing the code ROM SIMM 8-30

Figure 9-1

Menu map 9-2

Figure 9-2

Menu map 9-3

Figure 9-3

Status codes diagnostic tree 9-11

Figure 9-4

Manual color correction reference print 9-33

Figure 9-5

Checking the registration of the toner layers 9-34

Figure A-1

Cabinet FRUs A-2

Figure A-2

Cabinet FRUs A-3

Figure A-3

The internal printer A-5

Figure C-1

Wiring diagram C-1

xiv

Phaser 550 Color Printer

Tables

Table 1-1

Installed RAM and printer capabilities 1-3

Table 1-2

Tray switch sensor combinations 1-12

Table 1-3

Physical dimensions 1-14

Table 1-4

Printer clearances 1-14

Table 1-5

Functional specifications 1-15

Table 1-6

Electrical specifications 1-16

Table 1-7

Environmental specifications 1-16

Table 2-1

Configuration page settings for the Phaser 550 2-14

Table 2-2

Values for modifying the DEVPARAMS.PS file 2-32

Table 6-1

Motor and solenoid resistances 6-7

Table 6-2

Print engine service error codes 6-19

Table 9-1

Print engine service test descriptions 9-8

Table 9-2

Status code meanings 9-12

Table A-1

FRU parts list of the printer cabinet A-2

Table A-2

FRU part list of the printer cabinet A-3

Table A-3

FRU parts list of the exploded printer A-4

Table A-4

Supplies and accessories A-6

Table D-1

Test Pattern Generator DIP Switch settings for Phaser 550 D-2

Service Manual

D-1

Appendix

D

Test Pattern Generator

The Test Pattern Generator contains PostScript scripts to start test patterns for a

number of Tektronix color printers. It allows you to test a printer as if it were

receiving a ﬁle from a host computer. The test patterns are generated by the

printer's image processor and then printed by the print engine.

Note

The Test Pattern Generator should contain ﬁrmware version 1.2 or

higher.

D-2

Phaser 550 Color Printer

D

Test Pattern Generator

To use the Test Pattern Generator, do the following:

1.

Select a test pattern to be printed using the Test Pattern Generator's

ﬁve DIP switches. The following tables lists the available test

patterns.

2.

Plug the Test Pattern Generator onto the printer's parallel port. Use

the parallel cable adapter (013-0299-00) to convert between the Test

Pattern Generator’s Centronics-style connector and the printer’s

new-style, high-density parallel port connector. You do not have to

turn the printer off; you can plug in the Test Pattern Generator “hot.”

3.

Press the Test Pattern Generator's

START

button. Its green LED

ﬂashes as you press the button.

4.

The printer will print the transmitted print ﬁle. The front panel

displays the message “Waiting for data,” with the READY light

ﬂashing, for ﬁve minutes after a test print has been sent to the printer.

However, you do not have to wait ﬁve minutes before sending

another test print from the Test Pattern Generator; the printer will

accept another test print.

Besides print ﬁles, the test pattern generator also allows you to turn off and on

the printer's startup page.

Additionally, the Test Pattern Generator lets you set up a printer for printing

from a 4511A Network Interface. To do so, just select the appropriate DIP switch

setting.

Table D-1 Test Pattern Generator DIP Switch settings for Phaser 550

Pattern or function 1 2 3

45

Print quality test pattern On On On On On

Blank sheet Off On On On On

Engine Pattern 1

(100%)

On Off On On On

Service print 1 Off Off On On On

Blank sheet On On Off On On

Engine pattern 2 (50%) Off On Off On On

Service print 2 On Off Off On On

Enable startup page Off Off Off On On

Disable startup page On On On Off On

Service Manual

1-1

Chapter

1

General Information

This service manual contains information useful for troubleshooting, repairing,

adjusting, and maintaining a Tektronix Phaser

®

550 Color Printer. This manual

includes troubleshooting guides, adjustment procedures, a ﬁeld replaceable

units (FRU) list and assembly/disassembly procedures for selected FRUs. To

ensure complete understanding of the product, we recommend participation in

Phaser 550 service training.

Figure 1-1 The Phaser 550 Color Printer

9013-01

1-2

Phaser 550 Color Printer

1

General Information

The Phaser 550 Color Printer

The Phaser 550 Color Printer combines a color laser, continuous-tone print

engine with an image processor supporting Adobe’s PostScript Level 2 page

description language. The image processor features a bi-directional parallel

interface for host communication. Optional network adapter cards to the image

processor allow the printer to communicate on networks using LocalTalk, serial,

Ethernet or Token Ring protocols. The Ethernet network card supports

EtherTalk, Novell and TCP/IP. With the Token Ring network card, the printer

supports Token Ring protocols. The network cards are sometimes referred to as

“smart cards” because each houses its own processor for executing speciﬁc

on-board protocols; only data is transferred from the installed smart card to the

printer’s image processor board. The PCL printer language is optionally

supported and is activated with a downloadable authorization code.

The Phaser 550 comes standard with 8 Mbytes of RAM which can be

supplemented with one or two additional 16- or 32-Mbyte RAM SIMMs;

maximum capacity is 72 Mbytes. The printer contains 17 standard, built-in

fonts. An additional 22 fonts can be added via an optional snap-in SIMM

(which also enables other extended features). The standard Phaser 550 prints at

a resolution of 600 x 600 dots-per-inch.

The addition of the extended feature (font) SIMM allows the printer to print at

higher resolutions of 600 x 600 (Standard mode), 1200 x 600 (Enhanced mode)

and 1200 x 1200 (Premium mode) dots per inch. The extended feature Phaser

550 also supports image pipelining for greater throughput, a print collation

mode, and a “check print before proceeding with job” mode.

The Phaser 550 support a 5 page-per-minute, composite-black printing called

Fast Color. It also feature Presentation mode printing in which a paper print is

printed with the color settings of a transparency print. Presentation mode

produces the smoothest and brightest large-area ﬁlls. This mode can only be

selected from the front panel. The printer print in monochrome at 14 prints per

minute.

The printer also feature a SCSI-compatible interface to connect to an external

hard disk drive for additional font storage. An orderable option, the Phaser

CopyStation can also be connected to the printer’s SCSI port to give the printer

the ability to optically copy color images. The printer requires a minimum of

24 Mbytes of RAM to support the CopyStation.

The printers support printing on A- and A4-sized paper and transparency ﬁlm

from an A or A4-size tray. An optional two-tray second feeder (called the Lower

Tray Assembly) is available. The printer supports legal-size paper when fed

manually or from a Legal-size paper tray. The printer requires at least 12 Mbytes

of installed RAM to support Legal-size printing. The printer also supports

manual feeding.

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Tektronix Phaser 550 User manual

Tektronix Phaser 550 User manual

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