• Code: C7-1311
• Display: Not Installed Waste tank
• Description: The waste toner container is not installed
• Remedy: 1) Check if the waste toner container is installed properly. 2) Remove and reinstall the waste toner container.

• Code: C9-1112, C9-1116
• Display: Replace new Tray1 roller Replace new Tray1 roller
• Description: The pick up roller or reverse roller is at the end of its life.
• Remedy: 1) Turn the machine off. 2) Replace the pick up roller Assy and reverse roller Assy.

• Code: M1-1110
• Display: Paper Jam in Tray 1
• Description: The jammed paper has occurred in the tray1.
• Remedy: 1) Remove the jammed paper. 2) If the jammed paper occurs continually, check the followings. a) Check if the pick up/forward/reverse roller are worn out or contaminated. Clean the contaminated part or replace it. b) Check if the actuator is assembled correctly. 3) Check the pick up clutch and regi clutch operation. If they are defective, replace them.

• Code: M1-5112
• Display: Paper Empty in Tray1
• Description: Paper is empty in Tray1
• Remedy: 1) Take off the cassette. If there is no paper on the tray, load the paper. 2) If the problem persists, check the following. a) Check if the paper empty sensor is contaminated or defective. Replace it.

• Code: M2-1110, M2-1116
• Display: Paper Jam inside machine Paper jam or empty
• Description: The jammed paper has occurred inside machine.
• Remedy: 1) Remove the jammed paper. 2) If the problem persists, check the following. a) Check if there is any obstacles or paper on the paper path. Remove it. b) Check if the FRAME-RETARD unit is assembled properly. c) Check if the pick up clutch, regi clutch, feed drive unit are working normally. If there is a defective part, replace it.

• Code: M3-1110
• Display: Paper Jam in exit area
• Description: The jammed paper has occurred in the exit area.
• Remedy: 1) Remove the jammed paper. 2) If the problem persists, check the following. a) Check if there is any obstacles or paper on the paper path. Remove it. b) Check if the fuser unit is assembled properly. If the fuser unit is defective, replace it. c) Check if the FRAME-EXIT unit has any defective parts. Replace the FRAME-EXIT.

• 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) Check if the Bin-full Sensor connector is connected properly. Reconnect it. 3) If the sensor is defective, replace it.

• 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 cover is closed perfectly. 2) If the error persists, check that the cover-open sensor is working normally. If it is defective, replace the HVPS board.