Ricoh B222 MPC3500 AP-C1
Troubleshooting. Electrical Component Defects 2
Sensors
Note: • The CN numbers in the following table are the connector numbers on the IOB.
No. | Sensor Name/ Sensor Board Name | Active | CN | Condition | Symptom |
---|---|---|---|---|---|
SW5 | Tray 1 Set Switch | L | CN209/A9 | Open | Tray 1 is not detected when tray 1 is set. |
Shorted | Tray 1 is detected when tray 1 is not set. |
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S15 | By-pass Paper Size Sensor | L | CN215/ B16, B17, B19, B20 |
Open/ Shorted |
Paper size error |
S11 | By-pass Paper Detection Sensor | L | CN215/ A17 |
Open | Paper on the by-pass tray is not detected when paper is set. |
Shorted | Paper on the by-pass tray is detected when paper is not set. |
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S12 | Fusing Entrance Sensor | L | CN215/B6 | Open | Jam C (Jam 18) |
Shorted | Jam C (Jam 1) | ||||
S9 | Duplex Entrance Sensor | L | CN215/A8 | Open | Jam Z (Jam 26/27) |
Shorted | Jam Z (Jam 1) | ||||
S10 | Duplex Exit Sensor | L | CN215/ A11 |
Open | Jam Z (Jam 25) |
Shorted | Jam Z (Jam 1) | ||||
S48 | TD Sensor - K | A | CN219/A7 | Open/ Shorted |
SC372 |
S49 | TD Sensor - M | A | CN219/ A15 |
Open/ Shorted |
SC373 |
S50 | TD Sensor - C | A | CN219/B7 | Open/ Shorted |
SC374 |
S51 | TD Sensor - Y | A | CN219/ B15 |
Open/ Shorted |
SC375 |
S5 | Fusing Exit Sensor | L | CN232/13 | Open | Jam C (Jam 19) |
Shorted | Jam C (Jam 1) | ||||
S18 | Waste Toner Sensor | H | CN209/A5 | Open | Waste toner near full indicated when it is not near full. |
Shorted | Waste toner near full cannot be detected when the waste toner bottle is nearly full. | ||||
SW4 | Waste Toner Bottle Set Switch | L | CN209/A7 | Open | Waste toner bottle is not detected when the waste toner bottle is set. |
Shorted | Waste toner bottle is detected when the waste toner bottle is not set. |
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SW6 | Tray 2 Paper Size Switch | L | CN209/ A11, A12, A13, A14 |
Open/ Shorted |
Paper size error |
S16 | Temperature/ Humidity Sensor |
A | CN205/1, 3 | Open/ Shorted |
SC498 Printed image has some problems such as rough image, dirty background, weak image or poor fusing. |
S47 | Thermopile | A | CN218/3 | Open/ Shorted |
SC541 |
TH2 | Thermistor - Heating Roller |
A | CN217/5 | Open/ Shorted |
SC551 |
TH1 | Thermistor - Pressure Roller |
A | CN217/3 | Open/ Shorted |
SC561 |
S4 | Paper Exit Sensor | L | CN231/10 | Open | Jam C (Jam 20) |
Shorted | Jam C (Jam 1) |