Ricoh D008 MP3010 R-C4.5
Troubleshooting. Electrical Component Defects 2
SWITCHES
| Component (Symbol) |
CN | Condition | Symptom |
|---|---|---|---|
| Main | 281-1,2 (PSU) |
Open | The machine does not turn on. |
| Shorted | The machine does not turn off. | ||
| Right Upper Cover | 324-8 (SBCU) |
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 Cover | 321-9 (SBCU) |
Open | The Cover Open indicator is not lit even if the right cover is opened. |
| Shorted | The Cover Open indicator is lit even if the right cover is closed. | ||
| Right Lower Cover | 307-A8 (SBCU) |
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. | ||
| Upper Paper Size |
308-1,2,4,5 (SBCU) |
Open Shorted |
The CPU cannot detect the proper paper size, and misfeeds may occur when a copy is made. |
| Lower Paper Size |
308-6,7,9,10 (SBCU) |
Open Shorted |
The CPU cannot detect the proper paper size, and misfeeds may occur when a copy is made. |
| New PCU Detect |
327-7 (SBCU) |
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 Cover Safety | 311-2, 4 (SBCU) | 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. | ||
| Operation | 110-1 (IPU |
Open | The LCD does not off even if the operation switch is turned off. |
| Shorted | The LCD does not on even if the operation switch is turned on. |
BLOWN FUSE CONDITIONS
| Fuse | Rating | Symptom when turning on the main switch | |
|---|---|---|---|
| 115 V | 220 ~ 240 V | ||
| PSU | |||
| FU1 | 15 A/250 V | 8 A/250V | No response. |
| FU2 | 8 A/125 V | 5 A/250 V | No response |
| FU3 | 2 A/125 V | 1 A/250V | Anti-condensation/Tray Heater does not turn on. |
| FU4 | 6.3 A/125 V | 6.3 A/250V | Optional finisher, bridge unit, and shift tray does not work then SC792 is displayed. |
| FU5 | 6.3 A/125 V | 6.3 /250 V | All motors do not rotate. The "Cover Open" and SC indicators light. |
| FU6 | 6.3 A/125 V | 6.3 A/250V | The touch panel does not turn on, and all motors (except scanner motor) do not rotate. |
| FU7 | 5 A/250 V | 5 A/250 V | No response |
| FU8 | 5 A/250 V | 5 A/250 V | No response |