6.8 Abnormal Image Printing and Defective Roller
If abnormal image prints periodically, check the parts shown below.
Fuser
No
Roller
1
OPC Drum
2
Charge Roller
3
Supply Roller
4
Develop Roller
5
Transfer Roller
6
Heat Roller
7
Pressure Roller
PR
Abnormal image period
75.5mm
37.7mm
37.0mm
35.2mm
45.3mm
77.8mm
75.4mm
L S U
Toner Cartridge
CR
DR
OPC
SR
PTL
TR
FR
Black side contamination/transfer fault
Kind of abnormal image
White spot, Block spot
Black spot
Horizontal density band
Horizontal density band
Black spot and fuser ghost
Black side contamination
Service Manual