Samsung CLP-315W - Periodic Defective Image

Alignment & Troubleshooting
Service Manual
4-10
Samsung Electronics
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.
No Roller Period Phenomenon
1 OPC Drum 188.5mm White and Black Spots
2 Charge Roller 37.7mm Black Spot and line and Periodic Band
3 Supply Roller 47.5mm Periodic Band by little difference of density
4
Developing Roller
26.0mm White Spot, Horizontal black band
5 1
st
Transfer Roller 43.8mm Ghost, Damaged Image by abnormal tranfer
6 2
nd
Transfer Roller 54.64mm Ghost, Damaged Image by abnormal tranfer
7 50.3mm BackgroundPressure Roller
8 86.4mm Black Spots or Vertical Black BandHeat Roller
OPC
Pick up roller
Regi roller
T2 roller
ITB
T1 roller
Heat roller
Pressure
roller
Charge roller
Exit roller
Deve roller
Supply roller
OPC
Pick up roller
Regi roller
T2 roller
ITB
T1 roller
Heat roller
Pressure
roller
Charge roller
Exit roller
Deve roller
Supply roller