• Code: M1-5112
• Display: Paper is empty in tray 1. Load paper.
• Description: Paper is empty in Tray1. The status LED is red.
• Remedy: 1) Check if the paper is loaded in tray1. Load the paper. 2) Check if the empty sensor and empty actuator are assembled correctly. 3) If the empty sensor or empty actuator is defective, replace it. 4) If the problem persists, replace it.

• Code: M1-5612
• Display: Paper is empty in MP tray. Load paper.
• Description: Paper is empty in MP Tray. The status LED is red.
• Remedy: 1) Check if the paper is loaded in MP tray. Load the paper. 2) Check if the MP empty sensor and MP empty actuator are assembled correctly. 3) If the MP empty sensor or MP empty actuator is defective, replace it. 4) If the problem persists, replace it.

• Code: M2-1110
• Display: Paper jam inside of machine.
• Description: The paper has jammed at the feed sensor.
• Remedy: 1) Check if the feed sensor connector is connected properly. 2) Check if the Regi. roller is contaminated or worn out. 3) Check if there are any obstacles or contamination in the paper path.

• Code: M2-2210
• Display: Paper jam at the inside of duplex path.
• Description: The paper did not enter the duplex path and has jammed.
• Remedy: 1) Check if the exit actuator works normally. 2) Check if the exit motor and duplex clutch works normally and its connector is connected properly. 3) Check if there are any obstacles or contamination in the duplex path.

• Code: M2-2310
• Display: Paper jam at the bottom of duplex path.
• Description: The paper has jammed in the duplex path.
• Remedy: 1) Check if the duplex clutch works normally and its connector is connected properly. 2) Check if the Regi. actuator works normally. 3) Check if the Regi. roller pressure is normal.

• Code: M3-1110
• Display: Paper jam in exit area.
• Description: The paper has jammed in the exit path.
• Remedy: 1) Check if there are any obstacles or contamination in the exit area. 2) Check if the exit motor works normally. If it is defective, replace it.

• Code: M3-2130
• Display: Too much paper in output bin tray. Remove printed paper.
• Description: The paper is full on the output bin.
• Remedy: 1) Remove the paper on the output bin. 2) Check if the bin full sensor connector is connected properly.

• Code: S2-4210
• Display: Front door is open. Close it.
• Description: The front door is open./ The front door is closed but this error does not disappear.
• Remedy: 1) Check if the switch contact on the door is deformed. 2)Check if the harness connection is normal. 3)Check if the micro switch is assembled with hook. 4) Open the front cover. Check if the message is changed when pushing the mirco switch. 5) If the micro switch does not work normally, check that its lever is deformed. If it is defective, replace it.