Lexmark 5021-0XX - Manual (Page 196)

2-118 Service Manual
5021-0XX
Vertical line service check
A vertical line appears in printed image.
Problem area Action
1 Photodeveloper cartridge
(OPC belt) and transfer belt Foreign particles (dust and so on)
adhere to parts located around
photodeveloper cartridge and transfer
belt unit which consequently contact
toner image on transfer belt unit.
Remove and clean photodeveloper
cartridge, transfer belt unit, and
adjacent areas.
2 Transfer unit cleaning roller
and waste toner auger Cleaning roller and waste toner auger
area are dirty.
Remove cleaning roller and clean
waste toner auger and area around.
Reinstall cleaning roller.