Service Manual
Alignment & Troubleshooting
4-8
Samsung Electronics
7-1
7-2
4.1.5 Abnormal Image Printing and Defective Roller
If abnormal image prints periodically, check the parts shown below.
No Roller Abnormal image period Kind of abnormal image
1 OPC Drum 75.5mm White spot, Block Spots
2 Charge Roller 26.7mm Block Spot and Periodic Band
3 Supply Roller 47.1mm Periodic Band by little difference of density
4 Developing Roller 35.2mm White Spot, Horizontal black band
5 Transfer Roller 47mm Ghost, Damaged Image by abnormal transfer
6 Heat Roller 77.6mm Black Spots or Vertical Black Band
7-1 Pressure Roller _1st 62.8mm Blackground
7-2 Pressure Roller _2st 37.7mm Blackground
To Next Page
Loading...
