[C3D2] Epu Board Memory Old Parts Detection Error; [Ce50] Temperature/Humidity Sensor Abnormality; [Ce90] Drum Thermistor Abnormal - Toshiba e-STUDIO206L Service Manual

[C3D2] EPU board memory old parts detection error

Classification
Process related service call
Check item
Process unit
EPU memory board
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
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Error content
EPU board memory old parts detection error
1. Check if the process unit is a new one. If it is a new one,
check the following:
2. Check if the process unit is properly installed, and check if
the connector pins that are connected to the equipment are
disconnected or have any abnormality such as deformation.
3. Check if the harness connected to the connector J451 on
the EPU board has any abnormality.
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?
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
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ERROR CODE AND TROUBLESHOOTING
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