Lexmark 5021-0XX - Manual (Page 182)

2-104 Service Manual
5021-0XX
Black line service check
A fine black line appears in printer image.
Problem area Action
1 Toner cartridge Toner cartridge blade is deformed.
Replace toner cartridge.
2 Photodeveloper (OPC)
cartridge OPC belt’s surface is damaged.
Replace photodeveloper cartridge.
See
“Photodeveloper cartridge
removal” on page 4-11 .
3 Debris 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.