Canon imageRUNNER ADVANCE 4551i Service Manual page 480

732-0020-00
Detection Description
Remedy
732-0021-00
Detection Description
Remedy
732-0022-00
Detection Description
Remedy
732-0023-04
Detection Description
Remedy
732-0F01-04
Detection Description
Remedy
Communication error
A communication error between the Reader Controller PCB and the Main Controller PCB was
detected.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (J7)
- Reader Controller PCB (UN_BO1)
- Riser PCB
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx.
2 min) and restore the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES
Communication error
A communication error between the Reader Controller PCB and the Main Controller PCB was
detected.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (J7)
- Reader Controller PCB (UN_BO1)
- Riser PCB
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx.
2 min) and restore the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES
Communication error
A communication error between the Reader Controller PCB and the Main Controller PCB was
detected.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (J7)
- Reader Controller PCB (UN_BO1)
- Riser PCB
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx.
2 min) and restore the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES
Communication error
A communication error between the Reader Controller PCB and the Main Controller PCB 1was
detected at startup/recovery from sleep.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (UN14/J4031)
- Reader Controller PCB (UN_BO1)
- Riser PCB (UN14)
- Main Controller PCB (UN25)
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx.
2 min) and restore the backup data after the replacement so the data may be able to be protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES
Communication error
Communication error that can be recovered by reboot
If it is detected again immediately after reboot, E732-0001 is generated.
It is not necessary to perform a remedy because the machine is automatically rebooted after log
collection.
467
7. Error/Jam/Alarm