ALIGNMENT & ADJUSTMENTS
6.7 Periodic Defective Image
If the delinquent image regularly occurs in the
No
1
2
3
4
5
6
7
Roller | Defective image | Typical defect |
OPC Drum | 75.5mm | white spot on black image or black spot |
Charge Roller | 37.7mm | black spot |
Supply Roller | 37.0mm | light or dark horizontal image band |
Developing Roller | 35.3mm | horizontal image band |
Transfer Roller | 45.3mm | image ghost |
Heat Roller | 64.1mm | Black spot and image ghost |
Pressure Roller | 75.5mm | black spot on the backside |
|
|
|
| L S U |
|
Fuser | 2 | Toner Cartridge |
6 |
| |
| 4 | 3 |
7 | 1 | |
|
| |
| PTL | MP Sensor |
| 5 |
|
L S U | 1 OPC Drum | 5 Tramsfer Roller |
|
Fuser | CR |
| Toner Cartridge |
|
| DR |
|
| OPC | SR |
|
| PR |
|
|
|
| PTL | MP Sensor |
| TR |
| FR |
2 Charge Roller | 6 Heat Roller |
| R/ |
PIC | K |
3 Supply Roller | 7 Pressure Roller |
4Developing Roller
<Rollers Layout>
Service Manual
