Lexmark 7462 series Service Manual page 47

Action
Step 4
Check the HVPS for proper installation, and if necessary, reinstall
the HVPS properly.
Does the problem remain?
Step 5
Check the high voltage metal contacts between the imaging unit
and the HVPS for damage. If necessary, repair or replace the
contacts.
Does the problem remain?
Step 6
Check with a voltmeter if the electrical resistance of the high
voltage metal contacts between the imaging unit and the HVPS is
less than 1 ohm?
Does the problem remain?
Step 7
Check the high voltage metal contacts between the imaging unit
and the HVPS for contamination by toner or dust. If necessary,
clean or replace the contacts.
Does the problem remain?
Step 8
Check the high voltage contacts on the imaging unit for damage,
and if necessary, replace the imaging unit.
Does the problem remain?
Step 9
Check the cable connections between the HVPS and the system
card, and if necessary, reconnect or replace the cables.
Does the problem remain?
Step 10
Check the HVPS for damage, and if necessary, replace the HVPS.
Go to "HVPS card assembly removal" on page
Does the problem remain?
Step 11
Check the system card for damage, and if necessary, replace the
HVPS. Go to "System card assembly removal" on page
Does the problem remain?
324.
321.
Diagnostic information
47
Yes No
Go to step 5. Problem is solved.
Go to step 6. Problem is solved.
Go to step 7. Problem is solved.
Go to step 8. Problem is solved.
Go to step 9. Problem is solved.
Go to step 10. Problem is solved.
Go to step 11. Problem is solved.
Contact your next Problem is solved.
level of support.
7462