Periodic Defective Image - Samsung CLX-6260FD Service Manual

4.1.4. 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.
Roller
1 Pressure Roller
2 Heat Roller
3 Charging Roller
4 OPC Drum
5 Developing Roller
6 Supply Roller
7 Transfer Roller
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Period (mm) Phenomenon
22 mm Background
24.5 mm Black spot and image ghost
8.5 mm Black Spot and line and periodic band
24 mm White and Black Spots
12 mm White spot, Horizontal black band
11.3 mm Periodic Band by little difference of density
8 mm Ghost, Damaged image by abnormal transfer
4. Alignment and Troubleshooting
Defective part
Fuser
Toner Cartridge
Transfer roller
4-17