• Code: A1-1110
• Display: Actuator Motor Failure #A1-1110: Turn off then on.
• Description: After working the main BLDC motor, the Ready signal has not occurred within 1 sec. 1. Harness is defective. Connector is not connected properly. 2. OPC coupler in the imaging unit has overloaded. 3. Main BLDC motor is defective. 4. Engine board is defective.
• Remedy: First, turn the machine off then on. If the error persists, refer to the following. 1. Check if the connector is connected properly. Reconnect it. 2. OPC coupler has overloaded. After removing the imaging unit, rotate the OPC coupler. If there is any damage, the OPC coupler can’t rotate well. Replace the imaging unit. 3. The main BLDC motor is defective. - Unplug the connector from the motor. - Replace the main BLDC motor with new one. 4. If the problem persists, replace the engine board.

• Code: A1-1210
• Display: Actuator Motor Failure #A1-1210: Turn off then on.
• Description: After working the Fuser BLDC motor, the Ready signal has not occurred within 1 sec. 1. Harness is defective. Connector is not connected properly. 2. Heat roller in the fuser unit has overloaded. 3. Main BLDC motor is defective. 4. Engine board is defective.
• Remedy: First, turn the machine off then on. If the error persists, refer to the following. 1. Check if the connector is connected properly. Reconnect it. 2. Heat roller in the fuser unit has overloaded. - Remove the fuser unit after removing rear cover and duplex unit. - Rotate the heat roller gear. If there is any damage, the heat roller gear can’t rotate well. (Spec : 5kgf.cm) Replace the fuser unit. 3. Engine Board is defective. - Unplug all connectors on the Engine Board. - Remove 4 screws. - Replace the Engine Board with new one. 4. Fuser BLDC Motor is defective. - Remove the Main Drive unit. (Screw 5 EA, Lever Coupler) - Remove the Engine Board & Engine Board bracket. - Remove the Main Board & Main Board bracket. - Remove the Rear Cover and duplex unit. - Remove the fuser unit. - Replace the fuser drive unit with new one.

• Code: A1-1310
• Display: Actuator Motor Failure #A1-1310: Turn off then on.
• Description: After working the Pick-up BLDC motor, the Ready signal has not occurred within 1 sec. 1. Harness is defective. Connector is not connected properly. 2. Pick up/ Regi. clutch is defective. 3. Main BLDC motor is defective. 4. Engine board is defective.
• Remedy: First, turn the machine off then on. If the error persists, refer to the following. 1. Check if the connector is connected properly. Reconnect it. 2. Pick up/ Regi clutch is defective. - Remove the Regi. clutch then warm up the machine. If the corresponding error has disappeared, Regi. clutch is defective. Replace the Regi. clutch. - Remove the pick up clutch then warm up the machine. If the corresponding error has disappeared, pick up clutch is defective. Replace the pick up clutch. 3. Pick up BLDC motor is defective. - Unplug all connectors on the Engine Board. - Remove the Engine board with the bracket. - Replace the BLDC motor with new one. 4. Engine Board is defective. - Unplug all connectors. - Replace the Engine board with new one after removing 4 screws.

• Code: A1-3110
• Display: Actuator Motor Failure #A1-3110
• Description: After working the Deve BLDC motor, the Ready signal has not occurred within 1 sec. 1. Harness is defective. Connector is not connected properly. 2. Mag. Roller is overloaded. 3. Deve BLDC motor is defective. 4. Engine board is defective.
• Remedy: First, turn the machine off then on. If the error persists, refer to the following. 1. Check if the connector is connected properly. Reconnect it. 2. Mag roller in the imaging unit is overloaded. - Rotate the Mag roller. If there is any damage, the Mag roller can’t be rotated well. (Spec : 4kgf.cm) Replace the imaging unit. 3. Deve BLDC motor is defective. - Replace the BLDC motor with new one. 4. Engine Board is defective. - Unplug all connectors. - Replace the Engine board with new one after removing 4 screws.

• Code: A2-1910
• Display: Actuator Fan Failure: #A2-1910. Turn off then on.
• Description: The Main(SMPS) Fan does not work normally. 1. Fan Harness connection is bad. 2. Harness is defective or GND is short. 3. Fan is defective.
• Remedy: 1. Check if the Fan Relay connector is connected properly. 2. Connect the Harness Housing correctly. 3. Check if the Fan harness is normal. If it is defective, replace it. 4. Enter the Tech mode and execute the Main Fan test (EDC code : 100-0260 (SMPS FAN). To enter the Tech mode, press the button in this order. (Menu - # - 1 - 9 -3 -4 - OK )

• Code: A2-1920
• Display: Actuator Fan Failure: #A2-1920. Turn off then on
• Description: The Rear Fan does not work normally. 1. Fan Harness connection is bad. 2. Harness is defective or GND is short. 3. Fan is defective.
• Remedy: 1. Check if the Fan Relay connector is connected properly. 2. Connect the Harness Housing correctly. 3. Check if the Fan harness is normal. If it is defective, replace it. 4. Enter the Tech mode and execute the Main Fan test (EDC code : 109-0042 (Rear FAN). To enter the Tech mode, press the button in this order. (Menu - # - 1 - 9 -3 -4 - OK )

• Code: A2-2410
• Display: Actuator Fan Failure: #A2-2410.
• Description: The LSU Fan does not work.
• Remedy: 1. Check if there is any obstacle in LSU Fan. 2. Check if the harness is connected properly. 3. Check if the joint connector is connected properly. 4. Check if the harness is defective. 5. Enter the tech mode and execute the LSU fan test. 6. If the fan is defective, replace it.

• Code: A3-2110
• Display: Actuator Sensor Failure: #A3-2110.
• Description: ID control algorithm to control the density finds the ID Sensor value input in an abnormal state. 1. The image density of the imaging unit is abnormal. 2. ID sensor (CTD sensor) is defective.
• Remedy: 1. In case of density defect. Print the sample page. If the density is too low or dark, replace the imaging unit. 2. In case of ID sensor defect. Print the sample page. If the density is normal, replace the ID sensor or the sensor cleaning part.