White Print Service Check - Lexmark X500n Service Manual

7100-XXX

White print service check

Blank page (no print at all) is printed or, a specific color is missing.
Problem area
1 Optical Unit (Printhead)
2 Transfer roller
3 HVPS
4 Toner cartridge
2-66
Service Manual
Action
Solid white print
Laser light path is blocked by paper or other material stuck at
the opening of the optical unit. Ensure there are no foreign
particles stuck at the opening of the optical unit.
Transfer roller is not properly installed. Remove transfer roller
and reinstall. See "Transfer roller removal" on page
Ensure transfer roller bias pole is touching spring contact on
left side (as viewed from front of printer) of roller.
Replace faulty HVPS. See
(HVPS) removal" on page
One color missing
Replace faulty toner cartridge.
"High voltage power supply
4-39.
4-6.