Periodic Defective Image - Xerox Phaser 3117 Service Manual

4.5 Periodic Defective Image

If the delinquent image regularly occurs in the printed-paper, it is due to delinquent or damaged roller.
Refer to the table in below and check the condition of the roller.
No Roller
1 OPC Drum
2 Charge Roller
3 Supply Roller
4 Developing Roller
5 Transfer Roller
6 Heat Roller
7 Pressure Roller
x
Defective image
75.5mm
37.7mm
47.5mm
35.2mm
46.2mm
63.9mm
75.4mm
5
1
OPC Drum
6
2
Charge Roller
7
3
Supply Roller
4
Developing Roller
Alignment and Adjustments
Typical defect
white spot on black image or black spot
black spot
light or dark horizontal image band
horizontal image band
image ghost
Black spot and image ghost
black spot on the backside
BIN PATH
Transfer Roller
Heat Roller
Pressure Roller
Service Manual
4-5