Ricoh D118 MPC305SP GR-C1
Troubleshooting. Electrical Component Defects 2
Sensors
| No. | Sensor Name/ Sensor Board Name |
Active | CN No./ Pin No. |
Condition | Symptom |
|---|---|---|---|---|---|
| S18 | PTR Contact Sensor | L | CN523/5 | Open | • SC452 |
| Shorted | |||||
| S19 | Registration Sensor | L | CN559/17 | Open | • Jam A (Jam 17) |
| Shorted | • Jam B | ||||
| S20 | Scanner HP Sensor | H | CN104/5 | Open | SC120, SC121 |
| Shorted | |||||
| S21 | Temperature/ Humidity Sensor |
A | CN526/6,8 | Open |
|
| Shorted | |||||
| S22 | TD Sensor (C) | A | CN539/22 | Open | • SC374 |
| Shorted | |||||
| S23 | TD Sensor (M) | A | CN539/23 | Open | • SC373 |
| Shorted | |||||
| S24 | TD Sensor (Y) | A | CN539/24 | Open | • SC375 |
| Shorted | |||||
| S25 | Waste Toner Overflow Sensor |
H | CN543/4 | Open | • Waste toner full indicated when it is not near full. |
| Shorted | • Waste toner full cannot be detected when the waste toner bottle is nearly full. |
||||
| S26 | Tray Lift Sensor | L | CN543/7 | Open | • SC501 |
| Shorted | |||||
| No. | Sensor Name/ Sensor Board Name |
Active | CN No./ Pin No. |
Condition | Symptom |
| S27 | Paper Exit | L | CN525/7 | Open | • Jam C (Jam 20) |
| Shorted | • Jam C (Jam 60) | ||||
| TH1 | Pressure Roller Thermistor (End) | A | CN568/4 | Open | • SC551 |
| Shorted | |||||
| TH2 | Pressure Roller Thermistor |
A | CN568/2 | Open | • SC571 |
| Shorted | |||||
| TH3 | Fusing Thermistor (End) | A | CN568/6 | Open | • SC561 |
| Shorted | |||||
| TH4 | Temperature Detection Sensor | A | CN526/4 | Open | • SC497 |
| Shorted | |||||
| SW4 | Cover Open/close Sensor | L | CN559/19 | Open | • "Open Cover" is displayed. |
| Shorted | • "Open Cover" cannot be detected. | ||||
| SW5 | Paper tray set sensor | L | CN543/15 | Open | • Paper tray cannot be detected. |
| Shorted | • Paper tray is detected when the paper tray is not set. |
||||
| SW6 | Waste toner bottle set sensor |
L | CN535/1 | Open | • Waste toner bottle cannot be detected. |
| Shorted | • Waste toner bottle is detected when the waste toner bottle is not set. |