Ricoh Aficio SP C440DN Field Service Manual page 632

6. Troubleshooting
Sensor Name/
No.
Sensor Board Name
Paper Overflow
14
Sensor
15 Paper Exit Sensor
16 ID Sensor
17 Thermistor
Pressure Roller
18
Thermistor
19 Upper Cover Sensor
20 LSU Shutter Sensor
21 Registration Sensor
630
CN No./
Active
Pin No.
H CN104/9
L CN104/6
CN110/2, 5,
A
8, 11
A CN125/5, 7
A CN125/9
L CN104/3
L CN128/11
L CN129/16
Condition Symptom
Open Paper overflow is
detected.
Shorted Paper overflow is not
detected.
Open • Paper is not
detected.
• Jam C
Shorted • Paper is detected.
• Jam C
Open
SC400
Shorted
Open
SC554, SC544
Shorted
Open
SC564
Shorted
Open "Cover Open" is
displayed.
Shorted Top cover open cannot
be detected.
Open
SC290, SC291,
SC292, SC293
Shorted
Open • Paper is not
detected.
• Jam A
Shorted • Paper is detected.
• Jam B