Alignment and Adjustments
Service Manual 6-11
6.7 Periodic Defective Image (Repeating Defects)
If a mark or other printing defect occurs at regular intervals down the printed page it may be caused by a damaged or
contaminated roller. Measure the repeating defect and refer to the table below to identify the problem component.
PTL
No Roller Defective
image
Typical
defect
1
OPC Drum
75.5 mm
white spot on black image or black spot
2
Charge Roller
37.7 mm
black spot
3
Supply Roller
44.9 mm
light or dark horizontal image band
4
Developing Roller
35.3 mm
horizontal image band
5
Transfer Roller
47.1 mm
image ghost
6
Heat Roller
78 mm
black spot and image ghost
7
Pressure Roller
75.5 mm
black spot on the backside
Содержание 3150 - Phaser B/W Laser Printer
Страница 1: ...laser printer Phaser 3150 Service Manual ...
Страница 2: ......
Страница 14: ...Precautions 1 6 ...
Страница 22: ...Specifications 3 4 ...
Страница 38: ...Summary of Product 4 16 ...
Страница 76: ...Alignment and Adjustments 6 12 ...
Страница 94: ...Troubleshooting 7 18 ...
Страница 112: ...Parts List 8 18 ...
Страница 114: ...Block Diagram 9 2 ...
Страница 116: ...Connection Diagram 10 2 ...