Ricoh D025 MPC3300 AT-C2
Troubleshooting. Electrical Component Defects 1
• The CN numbers in the following table are the connector numbers on the IOB.
Sensors
No. | Sensor Name/ Sensor Board Name | Active | CN | Condition | Symptom |
---|---|---|---|---|---|
SW1 | Right Door Open Switch | L | CN204/1 | Open | "Open Cover" is displayed. |
Shorted | "Open cover" cannot be detected. | ||||
S10 | Duplex Door | L | CN232/B9 | Open | "Open Cover" is displayed. |
Shorted | "Open cover" cannot be detected. | ||||
S1 | ID Sensor: M | A | CN211/ 7, 11 |
Open/ Shorted |
SC400 |
ID Sensor: C | A | CN211/ 8, 12 |
Open/ Shorted |
||
ID Sensor: Y | A | CN211/ 9, 13 |
Open/ Shorted |
||
ID Sensor: Front | A | CN211/1 | Open/ Shorted |
SC258 | |
ID Sensor: Center and K | A | CN211/2 | Open/ Shorted |
SC400 / SC258 | |
ID Sensor: Rear | A | CN211/3 | Open/ Shorted |
SC258 | |
S13 |
Registration Sensor |
L |
CN224/A2 |
Open |
Jam A (Jam8, 17) |
Shorted |
Jam A, B (Jam1) |
||||
S29 |
Drum Gear Position |
H |
CN222/A2 |
Open/ |
SC380/SC396 |
S30 |
Drum Gear Position |
H |
CN222/ A5 |
Open/ |
SC380/SC397 |
S31 |
Drum Gear Position |
H |
CN222/ A8 |
Open/ |
SC380/SC398 |
S32 |
Drum Gear Position |
H |
CN222/ A11 |
Open/ |
SC380/SC399 |
S25 |
Toner End Sensor - K |
L |
CN207/A1 |
Open |
Toner end cannot be |
Shorted |
Toner end is detected when there is enough toner. |
||||
- |
Image Transfer Belt Rotation Sensor |
H/L |
CN208/11 |
Open/ |
SC443 |
S20 |
Vertical Transport Sensor |
L |
CN230/A7 |
Open |
Jam A (Jam3, 11) |
Shorted |
Jam A, B (Jam1) |
||||
S21 |
Paper End |
L |
CN230/ |
Open |
Paper end is not detected when there is no paper in the paper tray. |
Shorted |
Paper end is detected when there is paper in the paper tray. |
||||
S22 |
Paper Lift Sensor 1,2 |
H |
CN230/ |
Open/ |
SC501, SC502 |