Ricoh D085 MP3351 R-C5.5
Troubleshooting. Electrical Component Defects. Sensors 2
| Component | CN | PCB | State | Symptom |
|---|---|---|---|---|
| APS Sensor 3: Original | 223-7 | SIO | Open | The CPU cannot detect the original size properly. APS and ARE do not function correctly. |
| Length | Shorted | |||
| APS Sensor 4: Original | 223-10 | SIO | Open | The CPU cannot detect the original size properly. APS and ARE do not function correctly. |
| Length | Shorted | |||
| APS Sensor 5: Original | 223-13 | SIO | Open | The CPU cannot detect the original size properly. APS and ARE do not function correctly. |
| Length | Shorted | |||
| Bridge Open Sensor | 701-3 | CKB | Open | "Open Cover" is displayed even the cover is closed. |
| (Paper Exit) | Shorted | "Open Cover" is not displayed even the cover is open. | ||
| Bridge Open Sensor | 701-1 | CKB | Open | "Open Cover" is displayed even the cover is closed. |
| (Relay) | Shorted | "Open Cover" is not displayed even the cover is open. | ||
| Duplex Unit Entrance | 340-10 | BCU | Open | The Paper Jam indicator will light whenever a copy is made. |
| Sensor | Shorted | The Paper Jam indicator lights even if there is no paper. | ||
| Duplex Unit Exit Sensor | 859-1 | BCU | Open | The Paper Jam indicator will light whenever a copy is made. |
| Shorted | The Paper Jam indicator lights even if there is no paper. | |||
| Duplex Unit Set Sensor | 859-9 | 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. | |||
| Exit Sensor | 703-4 | CKB | Open | The Paper Jam indicator will light whenever a copy is made. |
| Shorted | The Paper Jam indicator lights even if there is no paper. | |||
| ID Sensor | 321-1 | BCU | Open | SC392 is displayed (see note) |
| Shorted | ||||
| Interchange/Inverter | 331-9 | BCU | Open | The Paper Jam indicator will light whenever a copy is made. |
| Sensor | Shorted | The Paper Jam indicator lights even if there is no paper. | ||
| Lower Relay Sensor | 308-4 | BCU | Open | The Paper Jam indicator will light whenever a copy is made. |
| Shorted | The Paper Jam indicator lights even if there is no paper. | |||
| Open | The TD sensor initial setting procedure is not performed when a new PCU is installed. | |||
| New PCU Detect Sensor | 327-6 | BCU | Shorted | The TD sensor initial setting procedure is performed whenever the front cover is closed. |
| Paper End Sensor (Bypass) | 860-3 | BCU | Open | The Paper End indicator lights even if paper is placed in the 1st paper tray. |
| Shorted | The Paper End indicator does not light even if there is no paper in the 1st paper tray. | |||
| Paper End Sensor (Duplex) | 860-3 | BCU | Open | The Paper End indicator lights even if paper is placed in the 1st paper tray. |
| Shorted | The Paper End indicator does not light even if there is no paper in the 1st paper tray. |
Note
- An SC condition occurs only when a new PCU is being installed in the machine. During copying, if the ID sensor fails, the image density will be changed.