Image problems may appear at regular intervals that depend on the circumference of certain components.
The following diagram shows the possible symptoms (black or white dots at regular intervals or other problems).
- Paper feed direction
- Problems at regular intervals
Problems | Intervals | Defective parts |
|---|---|---|
Problems with the printed result
| 113.1 mm | Paper feed roller |
| 62.83 mm | Separation roller | |
| 82.47 mm | Bypass feed roller | |
| 48.44 mm | Relay roller (Drive) | |
| 43.98 mm | Relay roller (Driven) | |
51.18 mm | Registration roller (Drive) | |
| 37.7 mm | Registration roller (Driven) | |
29.8 mm | Charge roller | |
50.00 mm | Image transfer roller | |
93.2 mm | Hot roller | |
| 41.15 mm | Paper exit/reverse roller | |
| 45.08 mm | Fusing exit roller | |
| 45.08 mm | Duplex entrance roller | |
| 38.00 mm | Duplex relay roller | |
| 38.00 mm | Duplex exit roller | |
Black or white dots | 48.1 mm | Development roller |
94.4 mm | Drum |