2-48 Service Manual
7100-XXX
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 surface is damaged. Replace photodeveloper
cartridge. See “Photodeveloper cartridge removal” on
page 4-8.
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.
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