Lexmark Confidential
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Lexmark C925/X925 Service Training
POTENTIAL FIELD CONCERNS
Lexmark Confidential
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Fuser Grade Issues when Printing on Heavy Media
• Fuser grade concerns when printing on cotton or rough
heavy papers when paper type is set to “Plain Paper”
• Make sure that
customer is printing
with correct paper
type settings
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Cardstock Must be Fed Through Tray 1 or MPF
• Cardstock only supported in Tray 1 and MPF
• Instruct customer to only use these inputs when using
cardstock
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Waste Toner Bottle Issues
• Counter must be reset when
replacing the waste toner bottle
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Overloaded Trays Cause Skews and Jams
• It is possible for customer to fill tray above fill line, which
will cause skews and jams.
Instruct customer not
to fill past this line
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Persistent Jam Errors Reported
• Printer may continue to post paper jam after removing paper
from drawer and/or right side door; check for paper still
jammed in the areas below
Tray pass thru areas
Duplex area
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eSF Apps are Lost When the RIP Board is Replaced
• Settings should be backed up from Embedded Web Server
before replacing the RIP Board
Full procedure is
detailed in the
product study guide
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Issues Related to Tray Size Sensing
• Tray 1 DOES NOT have auto size sensing
• Tray 1 sizes are determined by settings on the wheel as
shown below
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Issues Related to Tray Size Sensing (Cont.)
• Trays 2-5 DO have auto-size sensing
• These trays are set for either US or Metric sizes
• Other than tray 1, customer cannot print both letter and A4
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PQ Defect Due to Transfer Belt Damage/Wear
• Band in process direction in same location across colors
• Two frequent causes of this issue:
• Transfer belt at the end of its life
• Damaged transfer belt
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Ghosting Due to Transfer Belt
• Ghost of image from one page showing up 3-4 pages later;
instruct customer to try different paper
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Printed Colors Do Not Match Monitor
• Customer may complain that colors on prints do not match
colors on monitor
• If the file is a PDF and customer has Acrobat 9, instruct the
customer to select the option “Use printer to select colors”
when they go to print; this should provide a better match to
monitor colors
• See the following slide for more information.
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Printed Colors Do Not Match Monitor
• While in Acrobat, select “Print” as if you were going to print
the document,
• Select “Advanced” at the bottom of the “Print” dialogue box,
• Put a checkmark in “Let printer determine colors”,
• Click “OK”.
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900.30 Error After Pressing “Cancel Jobs” Button
• A 900.30 Firmware Error is caused by pressing the “Cancel
Jobs” button after receiving a fax with a blank Remote
Station ID.
• This error can also occur if a fax with a blank Remote
Station ID is held in the Fax Job Queue.
• Try power cycling the printer to resolve the error.
• If the fax with the blank Remote Station ID is still in the Fax
Job Queue, however, this is stored on the Hard Drive so the
Fax Job Queue will need to be cleared in Diagnostic Mode.
• Updating the printer to the latest level of code should
resolve the issue.
X925 MFP only
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61 Defective Disk Error When Exiting Some Menus
• This is a false message that may occur if you exit
Configuration Menu, the MFP Setup Wizard or other menus
too quickly.
• The error can be fixed by updating the printer to the latest
version of code.
X925 MFP only
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842.02 Scanner Communication Failure Error
• This error indicates a communication problem when
scanning from the Automatic Document Feeder (ADF).
• The error occurs when the ADF is trying to initiate a second
scan job when there is no second scan; it doesn’t know
how to handle the copy request so it posts the error.
• Loading custom-size media in the ADF when the size of the
media copied is different from that which is selected may
cause this error.
• Also, this error may occur when the wrong paper size value
is selected as “Copy From” compared to what is actually
being scanned in the ADF.
• The error can be cleared by setting the correct paper size
settings.
• If the error persists, update the printer code to the latest
level.
X925 MFP only
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956.01 System Board Error
• Under certain heavy load and/or hot operating conditions,
the printer may post a 956.01 System Board Error.
• This issue can be resolved by updating the printer to the
latest level of code (LHS1.HK.P136b or later).
X925 MFP only
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Wireless Card Not Recognized
• After installing a supported wireless card, the printer does
not recognize the card.
• The minimum base code level to support wireless
connectivity is LSH1.HV.P129.
• Update the code to the latest level.
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Lexmark X925 Service Training
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- Service Training
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