Lexmark X940e Service Manual page 315

Step
8 Check the printhead assembly.
Replace the printhead assembly.
Go to "Printhead assembly removal" on page
Does the error continue?
9 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 error continue?
Check
4-92.
Yes
Go to step 9. Problem solved.
Replace the RIP problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-71.
Diagnostic information
7510-XXX
No
2-201