• Code: 056-0001-05
• Description: Reverse Roller disengagement home position error
• Causes: The Reverse Roller Detachment HP Sensor did not detect home position despite an operation of the Reverse Disengagement Motor in the Reverse Delivery Unit at initialization.
• Remedy: [Related parts] R1.00 - Harness between the Pickup Feed Driver PCB (UN4/J1405) and the Reverse Disengagement Motor (M54/J7030) - Harness between the Pickup Feed Driver PCB (UN4/J1494) and the Reverse Roller Detachment HP Sensor (PS101/J7008) - Reverse Disengagement Motor (M54) - Reverse Roller Detachment HP Sensor (PS101) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 056-0002-05
• Description: Reverse Roller disengagement home position error
• Causes: The Reverse Roller Detachment HP Sensor did not detect change in home position despite an operation of the Reverse Disengagement Motor in the Reverse Delivery Unit during printing.
• Remedy: [Related parts] R1.00 - Harness between the Pickup Feed Driver PCB (UN4/J1405) and the Reverse Disengagement Motor (M54/J7030) - Harness between the Pickup Feed Driver PCB (UN4/J1494) and the Reverse Roller Detachment HP Sensor (PS101/J7008) - Reverse Disengagement Motor (M54) - Reverse Roller Detachment HP Sensor (PS101) - Pickup Feed Driver PCB (UN4) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 060-0001-05
• Description: Primary Charging Wire Shutter HP error
• Causes: The Primary Wire HP Sensor detected the open status although the shutter of the Primary Charging Assembly was moved to the close position.
• Remedy: [Related parts] R1.00 - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Charging Wire Cleaning Motor (M1/J7147) - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Wire HP Sensor (PS92/J8521) - Primary Charging Wire Cleaning Motor (M1) - Primary Wire HP Sensor (PS92) - Primary Charging Assembly - Multi-purpose Tray Pickup Driver PCB (UN97) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC 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> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 060-0002-05
• Description: Primary Charging Wire Shutter HP error
• Causes: The Primary Wire HP Sensor detected the close status although the shutter of the Primary Charging Assembly was moved to the open position.
• Remedy: [Related parts] R1.00 - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Charging Wire Cleaning Motor (M1/J7147) - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Wire HP Sensor (PS92/J8521) - Primary Charging Wire Cleaning Motor (M1) - Primary Wire HP Sensor (PS92) - Primary Charging Assembly - Multi-purpose Tray Pickup Driver PCB (UN97) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC 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> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 060-0011-05
• Description: Primary Charging Wire Shutter HP error
• Causes: The home position was not detected although 10 sec had passed since the start of shutter operation of the Primary Charging Assembly.
• Remedy: [Related parts] R1.00 - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Wire HP Sensor (PS92/J8521) - Primary Wire HP Sensor (PS92) - Primary Charging Assembly - Multi-purpose Tray Pickup Driver PCB (UN97) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC 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> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 060-0012-05
• Description: Primary Charging Wire Shutter HP error
• Causes: Change in home position was not detected although 10 sec had passed since the start of shutter operation of the Primary Charging Assembly.
• Remedy: [Related parts] R1.00 - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Wire HP Sensor (PS92/J8521) - Primary Wire HP Sensor (PS92) - Primary Charging Assembly - Multi-purpose Tray Pickup Driver PCB (UN97) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC 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> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 060-0023-05
• Description: Primary Charging Wire Shutter HP error
• Causes: Home position error of the Primary Charging Assembly Shutter was detected during rotation of the Bk Drum.
• Remedy: [Related parts] R1.00 - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Charging Wire Cleaning Motor (M1/J7147) - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1357) and the Primary Wire HP Sensor (PS92/J8521) - Primary Charging Wire Cleaning Motor (M1) - Primary Wire HP Sensor (PS92) - Primary Charging Assembly - Multi-purpose Tray Pickup Driver PCB (UN97) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC 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> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 061-0001-05
• Description: Primary charging dark area potential error
• Causes: It was detected that the drum surface potential Vd at potential control during initial rotation was 500 V or higher or 1050 V or lower.
• Remedy: [Related parts] R1.00 - Harnesses connecting the Relay PCB (UN7/J1816), the Primary Charging High Voltage PCB (CL) (UN38/J3021) and the Primary Charging High Voltage PCB (Bk) (UN37/J3011) - Harness between the DC Controller PCB (UN2/J1253) and the Primary Charging High Voltage PCB (CL) (UN38/J3040) - Harness between the Primary Charging High Voltage PCB (CL) (UN38/J3050) and the Primary Charging High Voltage PCB (Bk) (UN37/J3010) - Harness between the Multi-purpose Tray Pickup Driver PCB (UN97/J1355) and the Potential Control PCB (UN29/J3530) - Harness between the Potential Control PCB (UN29/J3531) and the Potential Sensor (UN160/ J8073) - Harness between the Drum Driver PCB (UN6/J1907) and the Drum Motor (Bk) (M19/J7306) - Harness between the Laser Interface PCB (UN106/J76) and the Laser Scanner Unit (Bk) (J8064) - Primary Charging High Voltage PCB (Bk) (UN37) - Primary Charging High Voltage PCB (CL) (UN38) - Primary Charging Assembly - Drum Motor (Bk) (M19) - Potential Sensor (UN160) - Potential Control PCB (UN29) - Relay PCB (UN7) - Multi-purpose Tray Pickup Driver PCB (UN97) - Drum Driver PCB (UN6) - DC Controller PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] - After replacement of the Potential Control PCB Unit, execute offset adjustment of the Potential Sensor by referring to "Parts Replacement and Cleaning Procedure> Image Formation System> Potential Sensor> When Replacing the Potential Control PCB" in the Service Manual. - Before replacing the DC 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> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES