Samsung ML-3471ND/XAX - Abnormal Image Printing Troubleshooting

Service Manual
Adjustment and Troubleshooting
4-10
Samsung Electronics
1
2
3
4
OPC Drum
Charge Roller
Supply Roller
Developing Roller
5
6
7
Transfer Roller
Heat Roller
Pressure Roller
1
2
3
4
5
6
7
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 spot
2 Charge Roller 37.7mm Black spot
3 Supply Roller 44.9mm Horizontal density band
4 Develop Roller 35.2mm Horizontal density band
5 Transfer Roller 47.1mm Black side contamination/transfer fault
6 Heat Roller 77.8mm Black spot and fuser ghost
7 Pressure Roller 62.8mm / 50.24mm Black side contamination