• Code: 807-0001-05
• Description: Process cartridge fan Error
• Causes: Rotation error of the Process Cartridge Fan (Front) was detected. - Rotation signal was detected while the fan was being stopped, or the signal was not detected during operation.
• Remedy: [Related parts] R1.00 - Harness between the Feed/Drum Driver PCB (UN2/J224) and the Process Cartridge Fan (Front) (FM10/J6123) - Process Cartridge Fan (Front) (FM10) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 808-0000-05
• Description: Zero Cross Error
• Causes: Zero cross signal was not detected after fixing relay was ON.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN1/J173) and the AC Driver PCB (UN6/J505) - AC Driver PCB (UN6) - DC Controller PCB (UN1) [Remedy] - Check the voltage of the outlet, and connect the machine to the correct outlet if it is wrong. - 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: 840-0000-05
• Description: Fixing Shutter HP error
• Causes: Home position error of the Fixing Shutter was detected.
• Remedy: [Related parts] R1.00 - Harness between the Feed/Drum Driver PCB (UN2/J213) and the Fixing Shutter Motor (M27/ J6059) - Harnesses connecting the Feed/Drum Driver PCB (UN2/J214), the Drawer Unit and the Fixing Relay PCB (UN78/J720) - Harness connecting from the Fixing Relay PCB (UN78/J722) to the Shutter HP Sensor and Shutter Position Sensor (PS31/J6103 and PS32/J6102) - Fixing Shutter Motor (M27) - Shutter HP Sensor (PS31) - Shutter Position Sensor (PS32) - Feed/Drum Driver PCB (UN2) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 880-0001-00
• Description: Controller Fan error
• Causes: It was detected that the Controller Fan was locked.
• Remedy: [Related parts] R1.00 - Cable between the Main Controller PCB (J15) and the Controller Fan (FM11) - Controller Fan (FM11) - Main Controller PCB [Remedy] Perform the following in the order while checking whether the error is cleared. - Check the connectors of the Controller Fan. - Visually check rotation of the Controller Fan. a. If it is not rotated, replace the Controller Fan. b. If it is rotated, replace the Main Controller PCB.

• Code: 880-0003-00
• Description: Controller Fan error
• Causes: It was detected that the Controller Fan was locked.
• Remedy: [Related parts] R1.00 - Cable between the Main Controller PCB (J15) and the Controller Fan (FM11) - Controller Fan (FM11) - Main Controller PCB [Remedy] Perform the following in the order while checking whether the error is cleared. - Check the connectors of the Controller Fan. - Visually check rotation of the Controller Fan. a. If it is not rotated, replace the Controller Fan. b. If it is rotated, replace the Main Controller PCB.

• Code: 880-0005-00
• Description: Error in Controller Fan
• Causes: Fan lock of the HDD Cooling Fan was detected
• Remedy: Check if the connector is connected. It the connection is OK, replace the HDD Cooling Fan.

• Code: 881-0001-00
• Description: Board over heat error
• Causes: Abnormal temperature of the Main Controller CPU was detected.
• Remedy: [Remedy] Perform the following in the order while checking whether the error is cleared. a. If the error occurred during a service visit and then occurred again, replace the Main Controller PCB. b. If the error does not occur during a service visit but is found in the log: 1. Clean the inlet on the side where the fan is installed and remove dust. 2. Remove dust from the Controller fan. 3. If the space on the side where the fan is installed is less than 10 cm, ask the customer to secure enough space.

• Code: 882-0002-05
• Description: Main Power Supply Switch error
• Causes: The main power was not turned OFF due to the solenoid in the Main Power Switch not working.
• Remedy: [Related parts] R1.00 - Harness between the DC Controller PCB (UN1/J109) and the Main Power Supply Switch (SW/ J1091 and J1092) - Main Power Supply Switch (SW1) - Riser PCB- DC Controller PCB (UN1) [Remedy] Perform the following in the order while checking whether the error is cleared. a. If the fuse (FU5) of the Riser PCB is blown out, 1. Check the harness and connector (caught cable, short circuit). 2. Check/replace the Riser PCB. b. If the fuse (FU5) of the Riser PCB is not blown out, 1. Check for any open circuit of the harness. 2. Check/replace the Main Power Supply Switch. 3. Check/replace the DC Controller PCB.