Lexmark 7462 series - Page 47

Action Yes No
Step 4
Check the HVPS for proper installation, and if necessary, reinstall
the HVPS properly.
Does the problem remain?
Go to step 5. Problem is solved.
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?
Go to step 6. Problem is solved.
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?
Go to step 7. Problem is solved.
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?
Go to step 8. Problem is solved.
Step 8
Check the high voltage contacts on the imaging unit for damage,
and if necessary, replace the imaging unit.
Does the problem remain?
Go to step 9. Problem is solved.
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?
Go to step 10. Problem is solved.
Step 10
Check the HVPS for damage, and if necessary, replace the HVPS.
Go to
“HVPS card assembly removal” on page 324.
Does the problem remain?
Go to step 11. Problem is solved.
Step 11
Check the system card for damage, and if necessary, replace the
HVPS. Go to
“System card assembly removal” on page 321.
Does the problem remain?
Contact your next
level of support.
Problem is solved.
7462
Diagnostic information
47