White Line Ii Service Check - Lexmark C510 Service Manual

White line II service check

Vertical white line appears from leading edge to trailing edge of
printed image.
Problem area
1 Laser unit assembly
(printhead)
2 Toner cartridge
Action
Dust proof glass of laser unit is
smeared with toner or foreign
particles. Clean glass:
• Remove toner cartridges and
photodeveloper cartridge. See
"Photodeveloper cartridge
removal" on page
• Open dust-proof glass cover.
• Clean glass.
There are foreign particles adhering
to laser beam opening of printhead.
Clean laser beam opening.
Foreign particles mixed in toner
cartridge. Replace faulty cartridge.
Diagnostic information
5021-0XX
4-11.
2-123