Ricoh D085 MP3351 R-C5.5
Troubleshooting. Electrical Component Defects. Switches
| Component | CN | PCB | State | Symptom |
|---|---|---|---|---|
| Correct PCU Detect Switch |
327-8 | BCU | Open | The TD sensor initial setting procedure is not performed when a new PCU is installed. |
| Shorted | The TD sensor initial setting procedure is performed whenever the front cover is closed. | |||
| Front Door Safety Switch | 321-3 | BCU | Open | The Cover Open indicator is not lit even if the front cover is opened. |
| Shorted | The Cover Open indicator is lit even if the front cover is closed. | |||
| Right Upper Cover Switch | 321-8 | BCU | Open | The Cover Open indicator is not lit even if the right upper cover is opened. |
| Shorted | The Cover Open indicator is lit even if the right upper cover is closed. | |||
| Right Lower Cover Switch | 321-1 | BCU | Open | The Cover Open indicator is not lit even if the right lower cover is opened. |
| Shorted | The Cover Open indicator is lit even if the right lower cover is closed. |