• Code: 843-0001-05
• Description: Disconnection of the power supply plug for fixing
• Causes: Disconnection of the power supply plug for fixing
• Remedy: Check the power supply plug for fixing.

• Code: 880-0001-00
• Description: Controller Fan error
• Causes: It was detected that the Controller Cooling Fan was locked.
• Remedy: [Related parts] R1.00 - Controller Cooling Fan (FM19) - Main Controller PCB (UN158) [Related parts] - Controller Cooling Fan (FM19) - Main Controller PCB (UN158) [Remedy] Perform the following in the order while checking whether the error is cleared. - Check the connectors of the Controller Cooling Fan. - Visually check rotation of the Controller Cooling Fan. a. If it is not rotated, replace the Controller Cooling 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: 882-0003-05
• 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 Relay PCB (UN7/J1821) and the Main Switch (SW18/J1012) - Main Switch (SW18) - Relay PCB (UN7) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 892-0001-05
• Description: Front Door lock error
• Causes: The Door Lock Sensor detected locked state while the Front Door has not been locked.
• Remedy: [Related parts] R1.00 - Harness connecting from the Developing Assembly Control PCB (UN96/J1306) to the Front Door Lock Sensor, Front Door Switch Solenoid and Front Door Lock Display LED PCB (PS134/J8577, SL11/J7140 and UN99/J1113) - Front Door Lock Sensor (PS134) - Front Door Switch Solenoid (SL11) - Front Door Lock Display LED PCB (UN99) - Developing Assembly Control PCB (UN96) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 996-0071-04
• Description: Error for collecting sequence jam log (ADF)
• Causes: Error for collecting jam log (ADF)
• Remedy: [Remedy] Collect debug log and contact to the sales company. [Reference] By setting "COPIER (LEVEL2)> OPTION> FNC-SW> JM-ERR-R" to "1", it is handled as an error instead of a jam from the first occurrence.