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