• Code: M1-1110
• Display: Paper Jam in Tray1.
• Description: The jammed paper has occurred in the tray1.
• Remedy: 1) Clear the jammed paper. If the problem persists, check the following. 2) While pushing the Paper Empty Sensor, send the printing data. Check if the pick up roller is rotating normally. 3) Check if there is any obstacles in the paper path (from Pick-Up to Feed Sensor). The feed roller should be especially checked. 4) Print out the Supplies Information. Check the Tray 1 Roller Life and Tray1 Reverse(Retard) roller Life. If the life came to the end, replace the relative roller.

• Code: M1-1610
• Display: Paper Jam in MP tray.
• Description: The jammed paper has occurred in the MP tray.
• Remedy: 1) Clear the jammed paper. If the problem persists, check the following. 2) Turn the machine off. 3) Remove the right cover. 4) Check if the MP Unit connector is connected properly. 5) Remove the MP Unit. 6) Check if the MP rollers are worn out. If necessary, replace the defective roller or MP unit.

• Code: M1-5112, M1-5113, M1-5120
• Display: Paper is empty in tray 1. Paper empty in all tray
• Description: There is no paper in the tray1. / Actuator-Paper Empty or photo sensor is defective.
• Remedy: 1) Load the paper in the tray1. If the problem persists, check the followings after turning the machine off. 2) If the Actuator-Paper Empty(JC66-02762A) is defective, replace it. 3) If the photo sensor(0604-001393) is defective, replace it. Check if the connector is connected properly. 4) If the problem persists, replace the main board.

• Code: M2-1110
• Display: Paper Jam inside machine.
• Description: A paper jam was detected at the feed sensor.
• Remedy: 1) Remove the jammed paper. If the error persists, check the followings. 2) Check if the feed sensor connector is connected properly. 3) Check if the Regi roller is contaminated or worn out. If yes, replace it. 4) Check if there is any obstacles or contamination in the paper path. If yes, clean or remove it.

• Code: M2-2210
• Display: Paper Jam bottom of duplex.
• Description: A paper jam was detected in the bottom of duplex.
• Remedy: 1) Remove the jammed paper. 2) Remove the contamination or obstacles in the paper path. 3) If this jam error occur continually, replace the duplex unit.

• Code: M3–1110
• Display: Paper Jam in exit area.
• Description: A paper jam was detected in the exit area.
• Remedy: 1) Remove the jammed paper. 2) Check if there is any obstacles or contamination in the paper path. If yes, clean or remove it. 3) Check if the exit roller rubber is worn out. Replace the exit roller(JC93-00323A). 4) Check if the exit sensor connector is connected properly. If the connection is OK, replace the exit sensor.

• Code: M3-2130
• Display: Output bin full. Remove paper.
• Description: The machine detected that the output tray has got full or the bin-full sensor is defective.
• Remedy: 1) Remove the paper on the output tray. 2) If the problem persists, check the followings. 3) Remove top cover. 4) Check if the Bin-full Sensor connector is connected properly. Reconnect it or replace the Bin-full sensor

• Code: S2-4120
• Display: Door open. Close it.
• Description: Door is open or the cover open switch is defective.
• Remedy: 1) Check if the front door is closed correctly. 2) Check if the rear door is closed correctly. 3) Check if the connection between the main board and HVPS board is correct. 4) Check if the cover open switch on HVPS board is operated properly. If it is defective, replace the HVPS board(JC44-00197A).