Lexmark X642 User Manual
Lexmark™ X642
Troubleshooting
Guide
Online technical support
Technical support is available on our Lexmark Web
site at www.lexmark.com.
Checking an unresponsive
printer
If the printer is not responding, first make sure:
• The power cord is plugged into the printer and
a properly grounded electrical outlet.
• The electrical outlet is not turned off by any
switch or breaker.
• The printer is not plugged into any surge
protectors, uninterrupted power supplies, or
extension cords.
• Other electrical equipment plugged into the
outlet is working.
• The printer is turned on.
• The printer cable is securely attached to the
printer and the host computer, print server,
option, or other network device.
Once you have checked each of these possibilities,
turn the printer off and back on. This often fixes the
problem.
Printing multi-language
PDFs
1 Open the document you want to print in Adobe
Acrobat.
2 Click the printer icon.
3 Check the Print as image box.
4 Click OK.
Solving printing problems
The operator panel display is blank
Turn the printer off, wait about 10 seconds, and turn
the printer back on.
If the Ready message does not appear, turn the
printer off and call for service.
The message USB device
unsupported appears when using
a USB device
For information regarding tested and approved USB
flash memory devices, see our Lexmark Web site at
http://support.lexmark.com and click on
KnowledgeBase to search for Direct USB printing.
Jobs do not print
The printer is not ready to receive data
Make sure Ready or Power Saver appears on the
display before sending a job to print.
The specified output bin is full
Remove the stack of paper from the output bin.
The specified tray is empty
Load paper in the tray.
You are using the wrong printer driver or
are printing to a file
• Verify you are using the printer driver
associated with the printer.
• If you are using a USB port, make sure you are
running Windows 98/Me, Windows 2000,
Windows XP, or Windows Server 2003 and
using a Windows 98/Me, Windows 2000,
Windows XP, or Windows Server 2003
compatible printer driver.
Your MarkNet N8000 series internal print
server is not set up properly or is not
connected properly
Verify that you have properly configured the printer
for network printing.
See the drivers CD or the Lexmark Web site for
information.
You are using the wrong interface cable,
or the cable is not securely connected
Make sure you are using a recommended interface
cable.
Make sure the connection is secure.
Held jobs do not print
A formatting error has occurred
• Print the job. (Only part of the job may print.)
• Delete the job.
• Free up additional printer memory by scrolling
through the list of held jobs and deleting others
you have sent to the printer.
The printer has insufficient memory
• Print the job. (Only part of the job may print.)
• Delete the job.
• Free up additional printer memory by scrolling
through the list of held jobs and deleting others
you have sent to the printer.
The printer has received invalid data
Delete the job.
Job takes longer than expected to
print
The job is too complex
Reduce the complexity of your print job by
eliminating the number and size of fonts, the number
and complexity of images, and the number of pages
in the job.
Page Protect is set to On
Set Page Protect to Off from the Setup Menu.
For more information, see the Menus and Messages
Guide.
Job prints from the wrong tray or
on the wrong paper or specialty
media
Make sure the Paper Size and Paper Type specified
in the printer driver match the paper size and type in
the tray.
Incorrect characters print
You are using an incompatible parallel
cable
If you are using a parallel interface, make sure you
are using an IEEE 1284-compliant parallel cable. We
recommend Lexmark part number 1329605 (10 ft) or
1427498 (20 ft) for the standard parallel port.
The printer is in Hex Trace mode.
If Ready Hex appears on the display, you must exit
Hex Trace mode before you can print your job. Turn
the printer off and back on to exit Hex Trace mode.
Tray linking does not work
• Make sure both the size and type of media are
the same in both trays.
• Make sure the paper guides in the trays are set
for the correct size media.
• Make sure the menu values for both size and
type are set correctly in the Paper Menu.
• See Menus and Messages Guide for more
information.
Large jobs do not collate
Collate is not set to On
Set Collation to On in the Finishing Menu or
through the printer driver.
Note: Setting Collation to Off in the
driver overrides the setting in the
Finishing Menu.
See the Menus and Messages Guide for more
information.
The job is too complex
Reduce the complexity of the print job by eliminating
the number and size of fonts, the number and
complexity of images, and the number of pages in
the job.
The printer does not have enough
memory
Add printer memory or an optional hard disk.
Unexpected page breaks occur
Set Print Timeout to a higher value from the Setup
Menu.
See the Menus and Messages Guide for more
information.
Solving option problems
If an option does not operate correctly after it is
installed or if it quits working:
• Turn the printer off, wait for about 10 seconds,
and turn the printer on. If this does not fix the
problem, unplug the printer, and check the
connection between the option and printer.
• Print the menu settings page and check to see
if the option is listed in the Installed Options list.
If the option is not listed, reinstall it. See the
User’s Guide for more information.
• Make sure the option is selected in the software
application you are using.
If the suggested corrective action does not fix the
problem, call your service representative.
Option Action
Drawers • Make sure the connection between
drawers (250-sheet drawer, 500-sheet
drawer, or 2000-sheet drawer) or the
connection between a drawer and a duplex
unit or the MFP is secure.
• Make sure the print media is loaded
correctly.
Duplex
unit
Envelope
feeder
Flash
memory
Internal
print
server
Large
capacity
feeder
(2000sheet
drawer)
MFP
memory
• Make sure the connection between the
duplex unit and the MFP is secure. If the
duplex unit is listed on the menu settings
page, but print media jams when it enters
or exits the duplex unit, the MFP and
duplex unit may not be properly aligned.
• Make sure the duplex front access cover is
securely installed.
• Make sure the connection between the
envelope feeder and the MFP is secure.
• Make sure the Paper Size setting is correct
in both the Paper menu and in the software
application.
• Make sure the envelopes are loaded
correctly.
Make sure flash memory is securely
connected to the MFP system board.
• Make sure the internal print server (also
called an internal network adapter or INA)
is securely connected to the MFP system
board.
• Make sure you are using the correct cable,
that it is securely connected, and the
network software is correctly set up.
See the drivers CD that shipped with the MFP
for more details.
Solving 2000-sheet drawer
See
problems.
Make sure MFP memory is securely
connected to the MFP system board.
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