• Code: M1–5120, M1–5712
• Display: Paper is empty in Tray 1. Load paper Paper is empty in tray 1. Load paper Paper is empty in all tray. Load paper Paper is empty in manual feeder. Load paper(M1-5712)
• Description: Paper is empty in tray. / Paper is loaded in tray but the machine detects empty status.
• Remedy: 1) If there is a jammed paper, first clear the jam. - 2) Load the paper in tray. 3) Check if the empty actuator works normally. If it is defective or broken, replace it. 4) If the actuator operation is OK, check the empty sensor. Reconnect the sensor connector. If the sensor is defective, replace it.

• Code: M2–1110
• Display: Paper jam inside of 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/regi sensor connector is connected properly. 3) Check if the regi./feed actuator works normally. If it is defective or broken, replace it.

• Code: M2–2110, M2–2310
• Display: Paper jam at the top of duplex path Paper jam at the bottom of duplex path
• Description: A paper jam was detected in the duplex area.
• Remedy: 1) First, remove the jammed paper. - 2) Check if the paper in tray is loaded properly. Adjust the guide. Check the machine setting is normal for paper. 3) Check if the Guide-Change Duplex of the rear cover is defective or broken. Check if the rib form of the rear cover is normal.

• Code: M3–1110
• Display: Paper Jam in exit area.
• Description: A paper jam was detected in the exit area.
• Remedy: 1) Open the rear cover. Remove the jammed paper. - 2) Check if the Guide-Change Duplex of the rear cover is defective. 3) Check if the exit sensor and actuator is working normally.

• Code: M3–2130
• Display: Too much paper in output bin tray. Remove printed 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. (The maximum loading capacity is 150 sheets based on standard paper(80g/m2).) 2) Check if the Bin-full Sensor connector is connected properly. Reconnect it or replace the Bin-full sensor.

• Code: S1–3212
• Display: Error #S1–3212 Turn off then on.
• Description: The Motor Control chip on the main board does not work normally.
• Remedy: 1) Turn the machine off then on. 2) If the problem persists, replace the main board.

• Code: S2–4110
• Display: Door is 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) Check if the connection between the main board and HVPS board is correct. 3) Check if the cover open switch on HVPS board is operated properly. If it is defective, replace the HVPS board.

• Code: S6–3123
• Display: This IP address conflicts with that of other system. Check it.
• Description: Network has some problem. (IP address conflicts with that of other system. / Communication error / There is no response when checking the ping test.)
• Remedy: Change the machine’s IP address. • Execute the Samsung Easy Printer Manager program. (Device setting - Network - IP address). Change the IP address. • In case of DHCP or Bootp, reboot the machine to receive a new IP address.