• Code: M1-4111
• Display: Input System Failure: #M1-4111. Call for service
• Description: The paper has jammed in the path or can’t be fed. 1. Pick up error 2. Multi-feed error 3. Skewed or Wrinkled page
• Remedy: 1. Check if the pick up/ forward/ retard roller is contaminated or worn out. Replace the defective roller. 2. Check if each sensor is working properly. 3. Check if there is any jammed paper in the path. Remove it. 4. When loading the paper, adjust the paper guide.

• Code: M1-5112
• Display: Paper Empty in tray1
• Description: Paper is empty in Tray1. The status LED is red. 1. There is no paper in the tray1. 2. Actuator-Paper Empty is defective. 3. Photo Sensor is defective or connection is bad. 4. Engine Board is defective.
• Remedy: 1. Load the paper in the tray1. 2. If the Actuator-Paper Empty is defective, replace it. 3. If the Photo Sensor is defective, replace it. Check if the connector is connected properly. 4. If the problem persists, replace the engine board.

• Code: M1-5612
• Display: Paper Empty in MP
• Description: Paper is empty in Tray1. The status LED is red. 1. There is no paper in the MP tray. 2. Actuator-Paper Empty is defective. 3. Photo Sensor is defective or connection is bad. 4. Engine Board is defective.
• Remedy: 1. Load the paper in the MP tray. 2. If the Actuator-Paper Empty is defective, replace it. 3. If the Photo Sensor is defective, replace it. Check if the connector is connected properly. 4. If the problem persists, replace the engine board.

• Code: M2-1110
• Display: Paper Jam in tray1
• Description: The paper has jammed at the feed sensor. 1. Feed sensor detection error. 2. The Regi. Roller is contaminated or worn out. 3. There is any obstacles in the path.
• Remedy: 1. Check the level value of the feed sensor. Check the harness connection. 2. Check if the Regi. Roller is contaminated or worn out. 3. If there is any obstacles or contamination in the path, clean or remove it.

• Code: M2-2110
• Display: Jam top of duplex
• Description: The paper did not enter the duplex path and has jammed. 1. The duplex unit is not installed. 2. There is any obstacles in the paper path. 3. The duplex motor is defective. 4. Paper size lever position error.
• Remedy: 1. Check if the duplex unit is installed properly. 2. If there is any obstacles or contamination in the path, clean or remove it. 3. Check if the duplex motor is operated properly. If the duplex motor is defective, replace it. 4. If the paper size lever is placed on wrong position, adjust it.

• Code: M2-2310
• Display: Jam bottom of duplex
• Description: The paper has jammed in the duplex path. 1. There is any obstacles in the paper path. 2. The duplex motor is defective. 3. The duplex sensor is defective.
• Remedy: 1. If there is any obstacles or contamination in the path, clean or remove it. 2. Check if the duplex motor is operated properly. If the duplex motor is defective, replace it. 3. Check if the duplex sensor is operated proerly. If the duplex sensor is defective, replace it.

• Code: M2-3120
• Display: Install duplex unit.
• Description: The duplex unit is not installed properly. 1. The photo sensor for duplex unit is defective. 2. Harness connection error. 3. Duplex unit installation error.
• Remedy: 1. Check if the photo sensor for duplex unit is operated properly. 2. Check if the harness is connected to the connector properly. Reconnect it. 3. Reinstall the duplex unit.

• Code: M3-1110
• Display: Jam in exit area
• Description: The paper has jammed in the exit path. 1. There is any obstacles in the paper path. 2. The exit motor is defective.
• Remedy: 1. If there is any obstacles or contamination in the path, clean or remove it. 2. Check if the exit motor is operated properly. If the exit motor is defective, replace it.