Ricoh Aficio SP C440DN Field Service Manual page 634

6. Troubleshooting
Sensor Name/
No.
Sensor Board Name
29 Duplex Exit Sensor
By-pass Paper End
30
Sensor
31 Inverter Sensor
32 Fusing Exit Sensor
Optional Paper Feed Unit
Sensor Name/
No.
Sensor Board Name
1 Paper Size Sensor
2 Tray Set Sensor
Paper Height Sensor
3
1/2
632
CN No./
Active
Pin No.
L CN126/A11
L CN126/B8
L CN126/A2
H CN104/12
CN No./
Active
Pin No.
CN103/1, 2,
A
3
L CN103/7
CN101/10,
A
13
Condition Symptom
Open • Paper is not
detected.
• Jam Z
Short • Paper is detected.
• Jam Z
Open • Paper end is not
detected.
• Jam A
Shorted • Paper end is
detected.
Open • Paper is not
detected.
• Jam Z
Shorted • Paper is detected.
• Jam Z
Open
Jam C
Shorted
Condition Symptom
Open
Paper size error
Shorted
Open Tray is not detected.
Shorted Tray is detected.
Open
Remaining paper volume
is wrong.
Shorted