Black Line Service Check - Lexmark X500n Service Manual

7100-XXX

Black line service check

A fine black line appears in printer image.
Problem area
1 Toner cartridge
2 Photodeveloper (OPC) cartridge
3 Debris
2-48
Service Manual
Action
Toner cartridge blade is deformed.
Replace toner cartridge.
OPC belt surface is damaged. Replace photodeveloper
cartridge. See "Photodeveloper cartridge removal" on
page 4-8.
Foreign particles (paper dust, and so on) have adhered to
perimeter parts of OPC belt and transfer unit belt. Clean
perimeter of mounting area of OPC belt and transfer belt.