Ricoh D025 MPC3300 AT-C2
Troubleshooting. Electrical Component Defects 3
• 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 |
---|---|---|---|---|---|
S6 | Temperature/ Humidity Sensor |
A | CN231/ 25, 27 |
Open/ Shorted |
SC498 Printed image has some problems such as rough image, dirty background, weak image or poor fusing. |
S47 | Thermopile | A | CN209/16 | Open/ Shorted |
SC541 |
TH2 | Thermistor - Heating Roller |
A | CN212/22 | Open/ Shorted |
SC551 |
TH1 | Thermistor - Pressure Roller |
A | CN212/18 | Open/ Shorted |
SC561 |
S3 | Paper Exit Sensor | L | CN204/9 | Open | Jam C (Jam 20) |
Shorted | Jam C (Jam 1) | ||||
S5 | Paper Overflow Sensor | L | CN204/15 | Open | Paper overflow message is not displayed when the paper overflow condition still remains. |
Shorted | Paper overflow message is displayed when the paper overflow condition does not remain. |
||||
S41 | Original Width Sensor 1 | A | CN313/14 SIO |
Open/ Shorted |
Original paper size cannot be detected. |
Sxx | Original Width Sensor 2 | A | CN313/11 SIO |
Open/ Shorted |
Original paper size cannot be detected. |
Sxx | Original Length Sensor 1 | A | CN313/8 SIO |
Open/ Shorted |
Original paper size cannot be detected. |
Sxx | Original Length Sensor 2 | A | CN313/5 SIO |
Open/ Shorted |
Original paper size cannot be detected. |
Sxx | Original Length Sensor 3 | A | CN313/2 SIO |
Open/ Shorted |
Original paper size cannot be detected. |
S39 | Scanner HP Sensor | H | CN318/2 SIO |
Open | SC120 |
Shorted | SC121 | ||||
S40 | Platen Cover Sensor | L | CN318/5 SIO |
Open/ Shorted |
Platen cover open cannot be detected. |
- | Paper Transfer Contact Sensor | L | CN208/7 | Open/ Shorted |
SC452 |
- | Image Transfer Belt Contact Sensor | L | CN208/2 | Open/ Shorted |
SC442 |
S2 | Junction Paper Jam Sensor |
L | CN204/6 | Open/ Shorted |
Jam C (Jam 24/64) |