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4. Alignment and Troubleshooting
4.1.5. Periodic defective image
If an image defects appears at regular intervals on the printed-paper, it is due to a faulty or damaged roller. Refer to the table
below and check the condition of the appropriate roller.
1
Roller
1
Pressure Roller
2
Heat Roller
3
Charging Roller
4
OPC Drum
5
Developing Roller
6
Supply Roller
7
Transfer Roller
4-13
Period (mm)
Phenomenon
75.4 mm
Background
77.6 mm
Black spot and image ghost
26.7 mm
Black Spot and line and periodic band
75.49 mm
White and Black Spots
36.75 mm
White spot, Horizontal black band
63.22 mm
Periodic Band by little difference of density
47.12 mm
Ghost, Damaged image by abnormal transfer
3
5
6
4
7
Copyright© 1995-2012 SAMSUNG. All rights reserved.
Defective part
Fuser
Toner Cartridge
Transfer roller
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Troubleshooting
