Lexmark CX725 Service Manual page 61

Action
Step 11
Replace the motor. See "Motor (EP drive) removal" on page
350.
Does the problem remain?
Step 12
Remove the printhead, and then check the printhead lenses for
dust or debris. See "Printhead removal" on page
Are the lenses free of dust or debris?
Step 13
Clean the printhead lenses.
Does the problem remain?
Step 14
Check the HVPS cable on the HVPS and on the JHVPS1 connector
on the controller board for proper connection.
Is the cable properly connected at both ends?
Step 15
Reconnect the cable.
Does the problem remain?
Step 16
Check the cable for continuity.
Does the cable have continuity?
Step 17
Replace the HVPS cable.
Does the problem remain?
Step 18
Check the toner cartridge contacts for damage, and replace if
necessary. See "Toner cartridge contacts removal" on page
382.
Does the problem remain?
Step 19
Remove the transfer module, and then check the three HVPS
contacts. See "Transfer module removal" on page
Do the contacts freely move?
413.
388.
Diagnostic information
61
Yes No
Go to step 12. The problem is
solved.
Go to step 14. Go to step 13.
Go to step 14. The problem is
solved.
Go to step 16. Go to step 15.
Go to step 16. The problem is
solved.
Go to step 18. Go to step 17.
Go to step 18. The problem is
solved.
Go to step 19. The problem is
solved.
Go to step 21. Go to step 20.
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