Lexmark X940e Service Manual page 313

Step
8 Check the upper printer engine card assembly.
Replace the upper printer engine card assembly.
Go to "Upper printer engine card assembly removal"
on page 4-74.
Perform a print test.
Does the problem remain?
9 Check the printhead assembly for connection.
Is the above component properly connected?
Check Yes
Go to step 9. Problem solved.
Replace the RIP Replace the
card assembly. connection.
Go to "RIP card
assembly
removal" on
page 4-71.
Diagnostic information
7510-XXX
No
2-199