Canon imageRUNNER ADVANCE 4551i Service Manual page 406

202-0001-04
Detection Description
Remedy
202-0002-04
Detection Description
Remedy
202-0003-04
Detection Description
Remedy
Reader Scanner Unit HP error
The Reader Scanner Unit could not detect the home position when starting scanning operation.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J102) and the Scanner Unit HP Sensor
(PS_A1/J5002)
- Harness between the Reader Controller PCB (UN_BO1/J108) and the Scanner Motor (STM1/
J5015)
- Scanner Unit HP Sensor (PS_A1)
- Scanner Motor (STM1)
- Reader Controller PCB (UN_BO1)
[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
Reader Scanner Unit HP error
The Reader Scanner Unit could not detect the home position when completing scanning operation.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J102) and the Scanner Unit HP Sensor
(PS_A1/J5002)
- Harness between the Reader Controller PCB (UN_BO1/J108) and the Scanner Motor (STM1/
J5015)
- Scanner Unit HP Sensor (PS_A1)
- Scanner Motor (STM1)
- Reader Controller PCB (UN_BO1)
[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
Reader Scanner Unit HP error
An error in the Reader Scanner Unit position was detected when reading of a job was started.
[Related parts] R1.00
- Harness between the Reader Controller PCB (UN_BO1/J102) and the Scanner Unit HP Sensor
(PS_A1/J5002)
- Harness between the Reader Controller PCB (UN_BO1/J108) and the Scanner Motor (STM1/
J5015)
- Scanner Unit HP Sensor (PS_A1)
- Scanner Motor (STM1)
- Reader Controller PCB (UN_BO1)
[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
393
7. Error/Jam/Alarm