Lexmark C77x Service Manual page 94

C77/c78 series
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5061
Step
Actions and questions
2
Disconnect the printer from any external connections.
Turn the power off and remove any parallel, USB, or
network connections. Turn the printer on.
Does the 900 error display?
3
Run the internal test pages. Print one of the internal
test pages from the Utilities Menu. If the printer works
correctly while disconnected, have the user or their
network administrator verify that there are no jobs in
the queue which may be causing the error.
Does the error remain?
4
Turn the printer off. Remove any options from the
system board, such as additional memory, hard disk
drives, or option cards.
Does the 900 error persist when the printer is turned
on?
5
Restore factory defaults from the Configuration Menu.
Warning: When factory defaults or restored, all menu
items are returned to the factory default values except:
• Display Language.
• All settings in the Parallel Menu, Serial Menu,
Network Menu, and USB Menu.
All downloaded resources (fonts, macros, and symbol
sets) in printer memory (RAM) are deleted. (Resources
residing in flash memory or on the hard disk are
unaffected.)
2-52
Service Manual
Yes
No
Go to step 4
Go to step 3
Inform the user or
Go to step 4
network
administrator of
the issue.
Go to step 5
Determine which
option is causing
the 900 error.
Record the
Problem resolved
secondary error
codes. With the
900 Service RIP
Error displayed,
press Menu (
)
and
together
Record the
complete list by
scrolling with the
arrows (
or
). The code
may be a very
long string of
characters and
numbers, but is
needed for
analysis.
Contact your next
level of support.

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