Abnormal Image Printing And Defective Roller - Samsung SCX-4828FN/XAZ Service Manual

4.1.7 Abnormal Image Printing and Defective Roller

If abnormal image prints periodically, check the parts shown below.
7-2
7-1
No Roller
1 OPC Drum
2 Charge Roller
3 Supply Roller
4 Developing Roller
5 Transfer Roller
6
7-1
7-2
Service Manual
Alignment & Troubleshooting
Abnormal image period
75.5mm
26.7mm
47.1mm
35.2mm
47mm
77.8mm
62.8mm
37.7mm
4-23
Kind of abnormal image
Block Spot and Periodic Band
Periodic Band by little difference of density
Ghost, Damaged Image by abnormal transfer
Black Spots or Vertical Black Band
Blackground
Blackground
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