E302-0002-04 Error In Paper Front Black Shading; E302-0003-04 Error In Paper Front White Shading; E302-0101-04 Error In Paper Back White Shading; E302-0102-04 Error In Paper Back Black Shading - Canon imageRUNNER ADVANCE C3500 III Series Service Manual

E302-0002-04
Detection Description
Remedy
E302-0003-04
Detection Description
Remedy
E302-0101-04
Detection Description
Remedy
E302-0102-04
Detection Description
Remedy
Error in paper front black shading
An access error to the paper front black shading RAM or a paper front black shading value out of
specification was detected.
[Related parts]
- Harness between the Reader Scanner Unit (UN_BO2/J101) and the Main Controller PCB (UN05/
J7000)
- Reader Scanner Unit (UN_BO2)
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Main 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
Error in paper front white shading
An access error to the paper front white shading RAM or a paper front white shading value out of
specification was detected.
[Related parts]
- Harness between the Reader Scanner Unit (UN_BO2/J101 ) and the Reader Controller PCB
(UN_BO1/J105)
- Reader Scanner Unit (UN_BO2)
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Main 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
Error in paper back white shading
An access error to the paper back white shading RAM or a paper back white shading value out of
specification was detected.
[Related parts]
- Harness between the Main Controller PCB (UN05) and the ADF Driver PCB
- ADF Driver PCB [5200-0001/5200-0002]
- Main Controller PCB (UN05)
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Main 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
Error in paper back black shading
An access error to the paper back black shading RAM or a paper back black shading value out of
specification was detected.
[Related parts]
- Harness between the Main Controller PCB (UN05) and the ADF Driver PCB
- ADF Driver PCB
- Main Controller PCB (UN05)
[Remedy] Check/replace the related harness/cable, connector and parts.
[Reference] Before replacing the Main 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
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7. Error/Jam/Alarm