Code :

Code: 280-0101-04
Description: Communication error
Causes: Communication between the Reader Controller PCB and the DADF Scanner Unit was not completed within the specified period of time.
Remedy: [Related parts] R1.00 - Harness between the DADF Scanner Unit (J1102) and the Reader Controller PCB (UN1/J105) - Harness between the Reader Controller PCB (UN1/J109) and the Riser PCB (UN159/J7) - DADF Scanner Unit - Reader Controller PCB (UN1) [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

Code: 280-0102-04
Description: Communication error
Causes: Disconnection of FFC between the Reader Controller PCB and the DADF Scanner Unit was detected.
Remedy: Check/replace the harness between the DADF Scanner Unit (J1102) and the Reader Controller PCB (UN1/J105).

Code: 302-0001-04
Description: Error in paper front white shading
Causes: An access error to the paper front white shading RAM or a paper front white shading value that was higher than the specified value was detected.
Remedy: [Related parts] R1.00 - Harness between the Reader Scanner Unit (UN2/J1101) and the Reader Controller PCB (UN1/ J106) - Harness between the Reader Controller PCB (UN1/J109) and the Riser PCB (UN159/J7) - Reader Scanner Unit (UN2) - Reader Controller PCB (UN1) [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

Code: 302-0002-04
Description: Error in paper front black shading
Causes: An access error to the paper front black shading RAM or a paper front black shading value that was higher than the specified value was detected.
Remedy: [Related parts] R1.00 - Harness between the Reader Scanner Unit (UN2/J1101) and the Reader Controller PCB (UN1/ J106) - Harness between the Reader Controller PCB (UN1/J109) and the Riser PCB (UN159/J7) - Reader Scanner Unit (UN2) - Reader Controller PCB (UN1) [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

Code: 302-0101-04
Description: Error in paper back white shading
Causes: An access error to the paper back white shading RAM or a paper back white shading value that was higher than the specified value was detected.
Remedy: [Related parts] R1.00 - Harness between the DADF Scanner Unit (J1102) and the Reader Controller PCB (UN1/J105) - Harness between the Reader Controller PCB (UN1/J109) and the Riser PCB (UN159/J7) - DADF Scanner Unit - Reader Controller PCB (UN1) [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

Code: 302-0102-04
Description: Error in paper back black shading
Causes: An access error to the paper back black shading RAM or a paper back black shading value that was higher than the specified value was detected.
Remedy: [Related parts] R1.00 - Harness between the DADF Scanner Unit (J1102) and the Reader Controller PCB (UN1/J105) - Harness between the Reader Controller PCB (UN1/J109) and the Riser PCB (UN159/J7) - DADF Scanner Unit - Reader Controller PCB (UN1) [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