Lexmark C522 Service Manual page 89

Step Questions / actions
5 Check the high voltage contact from the HVPS
to the photoconductor charge roll. Ensure the
contact springs are properly mounted and that
the charge roll contact spring is making good
contact with the HVPS spring that runs through
the left printer frame. See
assembly removal" on page 4-92
proper mounting and for removal procedures.
High voltage
power supply
High voltage
contact path
Are the spring(s) defective?
6 Turn off the printer and check the continuity of
the HVPS cable.
Pin 24
Pin 2
Is there continuity?
7 Replace the HVPS. See
supply (HVPS) removal" on page
Did this fix the problem?
8 Replace the printhead. See
removal" on page
Did this fix the problem?
"Transfer contact
to view the
Pin 1
Pin 23
Pin 2
Pin 1
"High voltage power
4-62.
"Printhead
4-74.
Yes
Replace the transfer contact
assembly. See "Transfer
contact assembly
removal" on page 4-92.
Go to step 7.
Pin 23
Pin 24
Problem solved.
Problem solved.
5022-xxx
No
Go to step 6.
Replace the cable assembly.
Go to step 8.
Replace the system card.
See "System card
removal" on page 4-79.
2-57
Diagnostic information