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Parts to be replaced
EPU memory board
LGC board
[CE50] Temperature/humidity sensor abnormality
Classification
Process related service call
Check Item
Is the connector CN317 on the
LGC board or the connector of the
temperature/humidity sensor
disconnected?
Is the harness between the LGC
board and the temperature/
humidity sensor disconnected?
Replacement part
Temperature/humidity sensor
LGC board
[CE90] Drum thermistor abnormal
Classification
Process related service call
Check Item
LGC board
Process unit
Replacement part
Drum thermistor
EPU memory board
LGC board
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
Temperature/humidity sensor abnormality
Result
Yes
1. Connect the connector securely. Replace the
harness.
No
1. Replace the temperature/humidity sensor.
2. Replace the LGC board.
Drum thermistor abnormal
1. Check if there is any abnormality on the connector between
the equipment and the process unit.
2. Is the harness between the LGC board and the drawer
connector for process unit disconnected?
3. Is the harness inside of the process unit and the harness of
the drum thermistor disconnected?
4. Is the connector CN310 on the LGC board, or the connector
of the drum thermistor disconnected?
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