E003-0006-05 Fixing Sub Thermistor (Rear) Low Temperature Detection Error; E004-0001-05 Fixing Relay Welding Detection Error; E004-0002-05 Current Detection Circuit Error - Canon imageRUNNER ADVANCE C3500 III Series Service Manual

E003-0006-05
Detection Description
Remedy
E004-0001-05
Detection Description
Remedy
E004-0002-05
Detection Description
Remedy
Fixing Sub Thermistor (Rear) low temperature detection error
The Fixing Sub Thermistor (Rear) detected a temperature of 80 deg C or lower for 1 sec or longer
from start of PI control until completion of the last rotation (the Fixing Heater was turned OFF).
[Related parts]
- Harness between the DC Controller PCB and the Fixing Unit
- Harness between the DC Controller PCB (J115) and the AC Driver PCB (J505)
- Harness between the AC Driver PCB and the Fixing Unit
- Fixing Unit
- Power Supply Unit
- DC Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
After performing the remedy work, go through the following to clear the error: COPIER>
FUNCTION> CLEAR> ERR.
[Reference] Before replacing the DC Controller PCB, back up the service mode data and restore
the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES
Fixing Relay welding detection error
Zero cross interruption was detected although the Fixing Relay was not turned ON.
[Related parts]
- Harness between the DC Controller PCB (J115) and the AC Driver PCB (J505)
- Power Supply Unit
- DC Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the DC Controller PCB, back up the service mode data and restore
the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES
Current detection circuit error
Current outside the specified range flowed to the Fixing Heater when the heater was turned ON.
Or, failure of fixing current detection circuit was detected.
[Related parts]
- Harness between the AC Driver PCB (J302) and the Fixing Drawer (J1001)
- Harness between the DC Controller PCB (J115) and the AC Driver PCB (J322)
- Fixing Unit
- Power Supply Unit
- DC Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the DC Controller PCB, back up the service mode data and restore
the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES
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7. Error/Jam/Alarm