Ricoh D104 MPC2051 DI-C1.5
Troubleshooting. Electrical Component Defects 3
Sensors
Note: The CN numbers in the following table are the connector numbers on the BCU.
No. | Sensor Name/ Sensor Board Name | Active | CN | Condition | Symptom |
---|---|---|---|---|---|
S3 | Scanner HP Sensor | H | CN205/2 | Open | SC120 |
Shorted | SC121 | ||||
S4 | Platen Cover Sensor | L | CN205/5 | Open/ Shorted |
Platen cover open cannot be detected. |
S20 | ITB Contact Sensor | L | CN234/5 | Open/ Shorted |
SC442 |
S25 | Inverter Sensor | L | CN227/15 | Open | Jam C (Jam 24) |
Shorted | Jam C (Jam64) | ||||
SW2 | Right Lower Door Open Switch | L | CN219/13 | Open | "Open Cover" is displayed. |
Shorted | "Open cover" cannot be detected. |
Blown Fuse Conditions
Power Supply Unit
Fuse | Rating | Symptom when turning on the main switch | |
---|---|---|---|
120V | 220V - 240V | ||
FU101 | 15A/125V | 8A/250V | The controller works, but SC547 is issued. (5V power to the fusing unit is not supplied.) |
FU102 | 10A/125V | 5A/250V | No response. (5V power to the PSU is not supplied.) |
FU103 | 2A/250V | 2A/250V | AC power to the scanner heater and tray heater is not supplied. |
FU5 | 5A/250V | 5A/250V | 5V power to the BCU is not supplied. |
FU6 | 5A/250V | 5A/250V | 5VS power to the controller is not supplied. |
FU7 | 10A/125V | 10A/250V | 24VS power to the BCU is not supplied. |
FU8 | 10A/125V | 10A/250V | 24VS power to the BCU is not supplied. |
FU9 | 10A/125V | 10A/250V | 24V power to the DRB and controller is not supplied. |
Caution
- For continued protection against risk of fire, replace only with same type and rating of fuse.