Alignment & Troubleshooting
Service Manual
4-14
Samsung Electronics
4.1.3 Abnormal Image Printing and Defective Roller
If a mark or other printing defect occurs at regular intervals down the page it may be caused by a damaged
or contaminated roller. Measure the repetition interval and refer to the table below to identify the roller
concerned.
No
Roller
Abnormal image period
Kind of abnormal image
1
OPC Drum
94.30mm
White spot, Block spot
2
Charge Roller
43.96mm
Black spot
3
Develop Roller
39.25mm
Horizontal density band
4
Transfer Roller
57.14mm
Black side contamination/transfer fault
5
Heat Roller
125.6mm
Black spot and fuser ghost
6
Pressure Roller
157mm
Black side contamination
1
OPC Drum
2
Charge Roller
3
Developing Roller
4
Transfer Roller
5
Heat Roller
6
Pressure Roller
4
1
3
2
5
6
Pick_UP
Roller
Pick_UP
Roller
MP Feed
Roller
MP Feed
Roller
Summary of Contents for SCX-6545N Series
Page 59: ...Finisher Service Manual 2 47 Samsung Electronics 2 3 2 System Configuration FINISHER FINISHER ...
Page 300: ...ExplodedView and Parts Service Manual 5 37 Samsung Electronics 5 12 MP Tray 1 2 5 6 7 3 4 0 ...
Page 302: ...ExplodedView and Parts Service Manual 5 39 Samsung Electronics 5 13 Scanner Ass y 0 2 1 3 4 ...
Page 327: ...ExplodedView and Parts Service Manual 5 64 Samsung Electronics 5 25 Fax Unit 1 4 3 2 5 0 ...
Page 372: ...System Diagram Service Manual 6 1 Samsung Electronics 6 System Diagram 6 1 Block Diagram ...
Page 373: ...System Diagram Service Manual 6 2 Samsung Electronics ...
Page 374: ...System Diagram Service Manual 6 3 Samsung Electronics ...
Page 375: ...System Diagram Service Manual 6 4 Samsung Electronics G ...
Page 376: ...System Diagram Service Manual 6 5 Samsung Electronics 6 2 Connection Diagram G ...
Page 377: ...System Diagram Service Manual 6 6 Samsung Electronics G ...
Page 378: ...System Diagram Service Manual 6 7 Samsung Electronics G ...
Page 379: ...System Diagram Service Manual 6 8 Samsung Electronics G ...
Page 380: ...System Diagram Service Manual 6 9 Samsung Electronics G ...