Samsung ML-2015/XEV Manual De Usuario
Alignment and Adjustments
Samsung Electronics
Service Manual
4-5
BIN PATH
1
2
3
4
2
3
4
OPC Drum
Charge Roller
Supply Roller
Developing Roller
5
6
7
6
7
Transfer Roller
Heat Roller
Pressure Roller
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
Defective image
Typical defect
1
OPC Drum
75.5mm
white spot on black image or black spot
2
Charge Roller
37.7mm
black spot
3
Supply Roller
47.5mm
light or dark horizontal image band
4
Developing Roller
35.2mm
horizontal image band
5
Transfer Roller
46.2mm
image ghost
6
Heat Roller
63.9mm
Black spot and image ghost
7
Pressure Roller
75.4mm
black spot on the backside