Samsung CLP-610ND - Periodic Defective Image

Adjustment and Troubleshooting
Service Manual
4-35
Samsung Electronics
4.1.4.4 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.
8
3
10
6
7
2
5
1
4
11
9
7
Pressure Roller
1
OPC (Organic
Photo Conductor)
2
Charge Roller
3
MP Roller
4
Deve Roller
5
Transfer Roller
6
Heat Roller
10
Exit Roller
11
Duplex Roller
8
Pick_up Roller
9
Rigi Roller
No Roller Period Phenomenon
1 OPC Drum 75.4mm White and Black Spots
2 Charge Roller 26.7mm White/Black Spot and Periodic Band
3 Supply Roller 40.8(YMC) Periodic Band (by little difference of density)
4 Developing Roller 30.6mm (YMC) White Spot, Horizontal black band
32.5mm(K)
43mm(K)
5 Transfer Roller 45mm Periodic Band (by little difference of density)
6 39.0mm Periodic BandGap-ring
7 125.6mm White/Black SpotFusing Belt