• Code: E004 0001
• Description: Fixing Relay welding detection error. Zero cross interruption was detected although the Fixing Relay was not turned ON.
• Remedy: [Related parts] • Harness from the DC Controller PCB (UN04/J115) and the Low Voltage Power Supply PCB (UN01/J322) (Unit of replacement: POWER SUPPLY ASSEMBLY) • Harness between the DC Controller PCB (UN04/J121) and the Fixing Drawer (J1001DB) (Unit of replacement: FIXING DRAWER ASSEMBLY) • Low Voltage Power Supply PCB (UN01) (Unit of replacement: POWER SUPPLY ASSEMBLY) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) [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: E004 0002
• Description: Current detection circuit error. Current outside the specified range flowed to the Fixing Heater when the heater was turned ON. Or, failure of fixing current detection circuit was detected.
• Remedy: [Related parts] • Harnesses from the Low Voltage Power Supply PCB to the Fixing Heater 1. Low Voltage Power Supply PCB (UN01/J302) to AC Interlock Switch (SW12) (Unit of replacement: CABLE, AC INTERLOCK SWITCH) 2. AC Interlock Switch (SW12) to Fixing Drawer (J1001) (Unit of replacement: FIXING DRAWER ASSEMBLY) 3. Fixing Drawer (J1001) to Relay Connector (3P) (Unit of replacement: CABLE, DRAWER RELAY) 4. Relay Connector (3P) to Fixing Heater (H1 and H2/J1115) (Unit of replacement: FIXING FILM ASSEMBLY) • Harness between the DC Controller PCB (UN04/J121) and the Fixing Drawer (J1001DB) (Unit of replacement: FIXING DRAWER ASSEMBLY) • Fixing Unit (Unit of replacement: FIXING ASSEMBLY) • Low Voltage Power Supply PCB (UN01) (Unit of replacement: POWER SUPPLY ASSEMBLY) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) [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: E009 0000
• Description: Fixing pressure timeout error. The Fixing Pressure Release Sensor did not detect ON status within 10 sec after the start of pressure application operation for fixing.
• Remedy: [Related parts] • Harnesses from the DC Controller PCB to the Fixing Pressure Release Sensor 1. DC Controller PCB (UN04/J122) to Relay Connector (11P) (Unit of replacement: CABLE, FEED) 2. Relay Connector (11P) to Fixing Pressure Release Sensor (PS13) (Unit of replacement: PAPER DELIVERY DRIVE ASSEMBLY) • Harnesses from the DC Controller PCB to the Fixing Motor 1. DC Controller PCB (UN04/J122) to Relay Connector (8P) (Unit of replacement: CABLE, FEED) 2. Relay Connector (8P) to Fixing Motor (M09) (Unit of replacement: FIXING DRIVE MOTOR ASSEMBLY) • Fixing Unit (Unit of replacement: FIXING ASSEMBLY) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) • Fixing Pressure Release Sensor (PS13) • Fixing Drive Unit (Unit of replacement: FIXING DRIVE ASSEMBLY) [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: E009 0001
• Description: Fixing disengagement timeout error. The Fixing Pressure Release Sensor did not detect OFF status within 10 sec after the start of fixing disengagement operation.
• Remedy: [Related parts] • Harnesses from the DC Controller PCB to the Fixing Pressure Release Sensor 1. DC Controller PCB (UN04/J122) to Relay Connector (11P) (Unit of replacement: CABLE, FEED) 2. Relay Connector (11P) to Fixing Pressure Release Sensor (PS13) (Unit of replacement: PAPER DELIVERY DRIVE ASSEMBLY) • Harnesses from the DC Controller PCB to the Fixing Motor 1. DC Controller PCB (UN04/J122) to Relay Connector (8P) (Unit of replacement: CABLE, FEED) 2. Relay Connector (8P) to Fixing Motor (M09) (Unit of replacement: FIXING DRIVE MOTOR ASSEMBLY) • Fixing Unit (Unit of replacement: FIXING ASSEMBLY) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) • Fixing Pressure Release Sensor (PS13) • Fixing Drive Unit (Unit of replacement: FIXING DRIVE ASSEMBLY) [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: E010 0001
• Description: Bk Drum_ITB Motor error. It did not become the specified speed for 0.5 consecutive sec although 0.8 sec have passed from the startup of the Bk Drum_ ITB Motor in the Main Drive Unit.
• Remedy: [Related parts] • Harness between the Bk Drum_ITB Motor (M02/J1054) and the DC Controller PCB (UN04/J129) (Unit of replacement: CABLE, MAIN DRIVE) • Main Drive Unit (Unit of replacement: MAIN DRIVE ASSEMBLY) • Bk Drum_ITB Motor (M02) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) • Low Voltage Power Supply PCB (UN01) (Unit of replacement: POWER SUPPLY ASSEMBLY) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check whether the gears of the Main Drive Unit can be rotated by hand. a. If they cannot be rotated, replace the Main Drive Unit. b. If they can be rotated, check the harness between the Bk Drum_ITB Motor and the DC Controller PCB. 2. Measure the both ends of the fuse in the Low Voltage Power Supply PCB using a tester. a. If the measurement value is less than 1 ohm (conduction state), 1. Replace the Bk Drum_ITB Motor. 2. Replace the DC Controller PCB. b. If the measurement value is 1 ohm or higher (non conduction state), replace the Low Voltage Power Supply PCB. [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: E010 0002
• Description: Bk Drum_ITB Motor error. The specified speed could not be maintained for 0.5 consecutive sec although it became the specified speed at least once from the startup of the Bk Drum_ITB Motor in the Main Drive Unit.
• Remedy: [Related parts] • Harness between the Bk Drum_ITB Motor (M02/J1054) and the DC Controller PCB (UN04/J129) (Unit of replacement: CABLE, MAIN DRIVE) • Main Drive Unit (Unit of replacement: MAIN DRIVE ASSEMBLY) • Bk Drum_ITB Motor (M02) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) • Low Voltage Power Supply PCB (UN01) (Unit of replacement: POWER SUPPLY ASSEMBLY) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check whether the gears of the Main Drive Unit can be rotated by hand. a. If they cannot be rotated, replace the Main Drive Unit. b. If they can be rotated, check the harness between the Bk Drum_ITB Motor and the DC Controller PCB. 2. Measure the both ends of the fuse in the Low Voltage Power Supply PCB using a tester. a. If the measurement value is less than 1 ohm (conduction state), 1. Replace the Bk Drum_ITB Motor. 2. Replace the DC Controller PCB. b. If the measurement value is 1 ohm or higher (non conduction state), replace the Low Voltage Power Supply PCB. [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: E010 0003
• Description: Bk Drum_ITB Motor error. There was no FG signal input for 0.3 sec from the startup of the Bk Drum_ITB Motor in the Main Drive Unit.
• Remedy: [Related parts] • Harness between the Bk Drum_ITB Motor (M02/J1054) and the DC Controller PCB (UN04/J129) (Unit of replacement: CABLE, MAIN DRIVE) • Main Drive Unit (Unit of replacement: MAIN DRIVE ASSEMBLY) • Bk Drum_ITB Motor (M02) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) • Low Voltage Power Supply PCB (UN01) (Unit of replacement: POWER SUPPLY ASSEMBLY) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check whether the gears of the Main Drive Unit can be rotated by hand. a. If they cannot be rotated, replace the Main Drive Unit. b. If they can be rotated, check the harness between the Bk Drum_ITB Motor and the DC Controller PCB. 2. Measure the both ends of the fuse in the Low Voltage Power Supply PCB using a tester. a. If the measurement value is less than 1 ohm (conduction state), 1. Replace the Bk Drum_ITB Motor. 2. Replace the DC Controller PCB. b. If the measurement value is 1 ohm or higher (non conduction state), replace the Low Voltage Power Supply PCB. [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: E012 0001
• Description: CL Drum Motor error. It did not become the specified speed for 0.5 consecutive sec although 0.8 sec have passed from the startup of the CL Drum Motor in the Main Drive Unit.
• Remedy: [Related parts] • Harness between the CL Drum Motor (M03/J1103) and the DC Controller PCB (UN04/J129) (Unit of replacement: CABLE, MAIN DRIVE) • Main Drive Unit (Unit of replacement: MAIN DRIVE ASSEMBLY) • CL Drum Motor (M03) • DC Controller PCB (UN04) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY) • Low Voltage Power Supply PCB (UN01) (Unit of replacement: POWER SUPPLY ASSEMBLY) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check whether the gears of the Main Drive Unit can be rotated by hand. a. If they cannot be rotated, replace the Main Drive Unit. b. If they can be rotated, check the harness between the CL Drum Motor and the DC Controller PCB. 2. Measure the both ends of the fuse in the Low Voltage Power Supply PCB using a tester. a. If the measurement value is less than 1 ohm (conduction state), 1. Replace the CL Drum Motor. 2. Replace the DC Controller PCB. b. If the measurement value is 1 ohm or higher (non conduction state), replace the Low Voltage Power Supply PCB. [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