Symptom Tables; Printer Symptom Table - Lexmark C540 Service Manual

Symptom tables

Printer symptom table

Symptom
Dead printer
Operator panel—one or more buttons do
not work.
Operator panel—display is blank. Printer
may sound five beeps.
Operator panel continuously displays all
diamonds and does not complete POST.
Operator panel display is dim and
unchanging.
Pages print blank after replacing the
controller board.
Tray linking does not work.
Unexpected page breaks occur.
Multipurpose feeder has constant misfeeds
or jams.
Page that jammed does not reprint after
you clear the jam.
Action
Go to "Dead printer service check" on page
Go to "One or more operator panel buttons fail" on
page 2-36.
Go to "Operator panel display blank, five beeps" on
page 2-37.
Go to "Operator panel displays all diamonds, no beeps" on
page 2-39.
Go to "Operator panel display is dim and unchanging" on
page 2-41.
When replacing the controller board, verify the cable from the
high-voltage power supply is seated properly. The cable may
have come loose from the HVPS.
Warning: A blank page that should have toner on it could be an
indication that toner is applied to the ITU belt but not transferred.
Therefore the toner goes into the ITU cleaner which cannot
process massive amounts of toner. It is important to prevent
extensive blank pages from being processed if they should have
toner on them.
• Check that the same size and type of paper are in each tray.
• Check the location of the paper guides.
• The multipurpose feeder does not automatically sense the
paper size. You must set the size from the Paper Size/Type
menu.
• Print a menu settings page and compare the settings for
each tray, and adjust on the operator panel, if necessary.
To print a menu settings page:
1. Press Menu ( ) on the operator panel.
2. Select Reports from the Admin Menu, and press Select
( ).
3. Select Menu Settings, and press Select (
• Increase the Print Timeout value on the operator panel
(Settings–>General Settings–>Timeouts–>Print Timeout.)
• Remove and flex the paper in the tray. Reload the paper,
and try printing.
• Remove the paper, turn it over and place it back in the tray.
• Make sure the feeder is properly installed.
• Make sure the paper is loaded correctly in the tray.
• Make sure the paper is not damaged.
• Make sure the paper meets specifications. See
handling" on page 1-8.
• Make sure the paper guides are positioned correctly for the
paper size loaded in the tray.
Jam Recovery may be set to Off. Change the setting to Auto or
On on the operator panel (Settings–>General settings–>Print
Recovery–>Jam Recovery.)
5025-2xx, 4xx
2-28.
).
"Media
2-3
Diagnostic information