• Code: 060-0002-05
• Description: Primary Charging Shutter HP close error
• Causes: The Primary Charging Shutter Sensor detected the close status although the shutter of the Primary Charging Assembly was moved to the open position.
• Remedy: [Related parts] - Harnesses from the Main Driver PCB to the Primary Charging Wire Cleaning Motor 1. Main Driver PCB (UN78/J107) to Relay Connector (12P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 2. Relay Connector (12P) to Relay Connector (20P) (Unit of replacement: CABLE, AP. KIT DRAWER) 3. Relay Connector (20P) to Primary Charging Wire Cleaning Motor (M06/J3107) (Unit of replacement: DRAWER ASSEMBLY) - Harnesses from the Main Driver PCB to the Primary Charging Shutter Sensor 1. Main Driver PCB (UN78/J114) to Relay Connector (31P) (Unit of replacement: CABLE, MAIN DRIVER, REAR UPPER) 2. Relay Connector (31P) to Relay Connector (25P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 3. Relay Connector (25P) to Primary Charging Shutter Sensor (PS94/J2029) (Unit of replacement: CABLE, MAIN DRIVER, FRONT) - Primary Charging Wire Cleaning Motor (M06) - Primary Charging Shutter Sensor (PS94) - Slide Pin - Primary Charging Assembly - Primary Charging Shutter (Unit of replacement: SHUTTER UNIT) - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) - DC Controller PCB (UN01) (Unit of replacement: DC CONTROLLER PCB ASS'Y) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check the Primary Charging Shutter. a. If the Primary Charging Shutter and the Cleaning Pad do not work (stop at HP at front side), - Check/replace the Primary Charging Wire Cleaning Motor. b. If the Primary Charging Shutter and the Cleaning Pad stop at rear side (close position), - Check/replace the Primary Charging Shutter Sensor. c. If the Primary Charging Shutter and the Cleaning Pad stop halfway, - Check/replace the Slide Pin. d. Replace the Primary Charging Assembly. 2. 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: Potential control error (VL)
• Causes: The dark area potential (VL) failed to be 200 V or less at potential control.
• Remedy: [Related parts] - Harnesses from the Main Driver PCB to the Pre-exposure LED 1. Main Driver PCB (UN78/J107) to Relay Connector (12P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 2. Relay Connector (12P) to Relay Connector (20P) (Unit of replacement: CABLE, AP. KIT DRAWER) 3. Relay Connector (20P) to Pre-exposure LED (LE01/J2141) (Unit of replacement: DRAWER ASSEMBLY) - Harnesses from the Main Driver PCB to the Primary Charging High Voltage PCB 1. Main Driver PCB (UN78/J111) to Relay Connector (9P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 2. Relay Connector (9P) to Primary Charging High Voltage PCB (J3501) (Unit of replacement: HIGH VOLTAGE PCB ASS'Y) - Harnesses from the Main Driver PCB to the Potential Sensor 1. Main Driver PCB (UN78/J114) to Relay Connector (31P) (Unit of replacement: CABLE, MAIN DRIVER, REAR UPPER) 2. Relay Connector (31P) to Relay Connector (25P) (Unit of replacement: CABLE, RELAY, FRONT) 3. Relay Connector (25P) to Relay Connector (7P) (Unit of replacement: CABLE, MAIN DRIVER, FRONT) 4. Relay Connector (7P) to Potential Sensor (EPC01/J5014) (Unit of replacement: CABLE, POTENTIAL SENSOR) - Harness between the Main Driver PCB (UN78/J109) and the Drum Motor (M01/J2138) (Unit of replacement: CABLE, MAIN, REAR UPPER) - Primary Charging Assembly - Laser Scanner Unit - Potential Sensor (EPC01) (Unit of replacement: POTENTIAL MEASURING PCB ASS'Y) - Primary Charging High Voltage PCB (Unit of replacement: HIGH VOLTAGE PCB ASS'Y) - Drum Motor (M01) - Pre-exposure LED (LE01) - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) - DC Controller PCB (UN01) (Unit of replacement: DC CONTROLLER PCB ASS'Y) [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: 061-0101-05
• Description: Potential control error (VD)
• Causes: Potential in the dark area did not fall within the range (target value +/-5 V) although retry was executed 8 times at VD potential control.
• Remedy: [Related parts] - Harnesses from the Main Driver PCB to the Pre-exposure LED 1. Main Driver PCB (UN78/J107) to Relay Connector (12P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 2. Relay Connector (12P) to Relay Connector (20P) (Unit of replacement: CABLE, AP. KIT DRAWER) 3. Relay Connector (20P) to Pre-exposure LED (LE01/J2141) (Unit of replacement: DRAWER ASSEMBLY) - Harnesses from the Main Driver PCB to the Primary Charging High Voltage PCB 1. Main Driver PCB (UN78/J111) to Relay Connector (9P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 2. Relay Connector (9P) to Primary Charging High Voltage PCB (J3501) (Unit of replacement: HIGH VOLTAGE PCB ASS'Y) - Harness between the Main Driver PCB (UN78/J109) and the Drum Motor (M01/J2138) (Unit of replacement: CABLE, MAIN, REAR UPPER) - Primary Charging Assembly - Primary Charging High Voltage PCB (Unit of replacement: HIGH VOLTAGE PCB ASS'Y) - Drum Motor (M01) - Pre-exposure LED (LE01) - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) - DC Controller PCB (UN01) (Unit of replacement: DC CONTROLLER PCB ASS'Y) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. If the current value of the Primary Charging Roller (COPIER (LEVEL2)> DISPLAY> DPOT> PRIM-C) is 1550 micro A or higher, perform the following. a. Set 100 V for the grid voltage of the Primary Charging Assembly (COPIER> ADJUST> HV-PRI> PRI-GRID). b. Execute potential control (COPIER> FUNCTION> DPC> DPC). 2. 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: 064-00FF-05
• Description: High voltage setting error
• Causes: With the state in which the developing AC is output, 600 V or higher developing DC output was detected.
• Remedy: Perform the following in the order while checking whether the error is cleared. 1. Turn OFF and then ON the power of the host machine. 2. Replace the DC Controller PCB. (Unit of replacement: DC CONTROLLER PCB ASS'Y) [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: 065-0001-05
• Description: Primary charging/grid high voltage output leak error
• Causes: The leak detection signal was detected 5 times in a row for every 20 msec.
• Remedy: [Related parts] - Harness between the Main Driver PCB (UN78/J111) and the High Voltage Unit (J3097) (Unit of replacement: CABLE, MAIN, REAR UPPER) - Harness between the Relay PCB (UN86/J519) and the High Voltage Unit (J3099) (Unit of replacement: CABLE, SIGNAL) - Harnesses in the High Voltage Unit (J3098L, J3511, J3544, J3097L, J3501, J3500, J3545, J3510 and J3099M) (Unit of replacement: CABLE, HIGH VOLTAGE SIGNAL) - Primary Grid High Voltage Connector (Unit of replacement: DRUM DRIVE ASS'Y) - Primary Charging High Voltage PCB (Unit of replacement: HIGH VOLTAGE PCB ASS'Y) - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 066-0001-05
• Description: Pre-transfer Charging Shutter HP open error
• Causes: The Pre-transfer Charging Shutter Sensor detects that the shutter is opened although it is moved to the close position.
• Remedy: [Related parts] - Harnesses from the Main Driver PCB to the Pre-transfer Charging Wire Cleaning Motor 1. Main Driver PCB (UN78/J114) to Relay Connector (31P) (Unit of replacement: CABLE, MAIN DRIVER, REAR UPPER) 2. Relay Connector (31P) to Relay Connector (25P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 3. Relay Connector (25P) to Pre-transfer Charging Wire Cleaning Motor (M7/J3108) (Unit of replacement: CABLE, MAIN DRIVER, FRONT) - Harnesses from the Main Driver PCB to the Pre-transfer Charging Shutter Sensor 1. Main Driver PCB (UN78/J130) to Relay Connector (17P) (Unit of replacement: CABLE, MAIN DRIVER, REAR UPPER) 2. Relay Harness (17P) (Unit of replacement: CABLE, RELAY, FRONT, CABLE, MAIN DRIVER, FRONT) 3. Relay Connector (17P) to Pre-transfer Charging Shutter Sensor (PS95/J2114) (Unit of replacement: CABLE, FAN) - Pre-transfer Charging Wire Cleaning Motor (M7) - Pre-transfer Charging Shutter Sensor (PS95) - Pre-transfer Charging Shutter (Unit of replacement: SHUTTER UNIT) - Slide Pin - Pre-transfer Charging Assembly - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) - DC Controller PCB (UN01) (Unit of replacement: DC CONTROLLER PCB ASS'Y) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check the Pre-transfer Charging Shutter. a. If the Pre-transfer Charging Shutter does not work (stops at HP at front side), - Check/replace the Pre-transfer Charging Wire Cleaning Motor. b. If the Pre-transfer Charging Shutter stops at rear side (close position), a. Check and close the Primary Fan Duct if it is open. b. Check/replace the Pre-transfer Charging Shutter Sensor. c. If the Pre-transfer Charging Shutter stops halfway, a. Check/replace the Slide Pin. b. Replace the Pre-transfer Charging Assembly. 2. 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: 066-0002-05
• Description: Pre-transfer Charging Shutter HP close error
• Causes: The Pre-transfer Charging Shutter Sensor detects that the shutter is closed although it is moved to the open position.
• Remedy: [Related parts] - Harnesses from the Main Driver PCB to the Pre-transfer Charging Wire Cleaning Motor 1. Main Driver PCB (UN78/J114) to Relay Connector (31P) (Unit of replacement: CABLE, MAIN DRIVER, REAR UPPER) 2. Relay Connector (31P) to Relay Connector (25P) (Unit of replacement: CABLE, MAIN, REAR UPPER) 3. Relay Connector (25P) to Pre-transfer Charging Wire Cleaning Motor (M7/J3108) (Unit of replacement: CABLE, MAIN DRIVER, FRONT) - Harnesses from the Main Driver PCB to the Pre-transfer Charging Shutter Sensor 1. Main Driver PCB (UN78/J130) to Relay Connector (17P) (Unit of replacement: CABLE, MAIN DRIVER, REAR UPPER) 2. Relay Harness (17P) (Unit of replacement: CABLE, RELAY, FRONT, CABLE, MAIN DRIVER, FRONT) 3. Relay Connector (17P) to Pre-transfer Charging Shutter Sensor (PS95/J2114) (Unit of replacement: CABLE, FAN) - Pre-transfer Charging Wire Cleaning Motor (M7) - Pre-transfer Charging Shutter Sensor (PS95) - Pre-transfer Charging Shutter (Unit of replacement: SHUTTER UNIT) - Slide Pin - Pre-transfer Charging Assembly - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) - DC Controller PCB (UN01) (Unit of replacement: DC CONTROLLER PCB ASS'Y) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check the Pre-transfer Charging Shutter. a. If the Pre-transfer Charging Shutter does not work (stops at HP at front side), - Check/replace the Pre-transfer Charging Wire Cleaning Motor. b. If the Pre-transfer Charging Shutter stops at rear side (close position), a. Check and close the Primary Fan Duct if it is open. b. Check/replace the Pre-transfer Charging Shutter Sensor. c. If the Pre-transfer Charging Shutter stops halfway, a. Check/replace the Slide Pin. b. Replace the Pre-transfer Charging Assembly. 2. 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: 067-0001-05
• Description: Developing high voltage output leak error
• Causes: The leak detection signal was detected 5 times in a row for every 20 msec.
• Remedy: [Related parts] - Harness between the Main Driver PCB (UN78/J112) and the High Voltage Unit (J3098) (Unit of replacement: CABLE, MAIN, REAR UPPER) - Harness between the Relay PCB (UN86/J519) and the High Voltage Unit (J3099) (Unit of replacement: CABLE, SIGNAL) - Harnesses in the High Voltage Unit (J3098L, J3511, J3544, J3097L, J3501, J3500, J3545, J3510 and J3099M) (Unit of replacement: CABLE, HIGH VOLTAGE SIGNAL) - Developing Assembly - Develop High Voltage PCB (Unit of replacement: HIGH VOLTAGE PCB ASS'Y) - Main Driver PCB (UN78) (Unit of replacement: MAIN DRIVE DRIVER PCB ASS'Y) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check the contact point of the Developing Assembly, and remove soiling. 2. Check/replace the related harness/cable, connector and parts.