• Code: C2–1410
• Display: Toner cartridge is not installed. Install the cartridge
• Description: The toner cartridge is not installed. / The machine can’t detect the toner cartridge.
• Remedy: 1) Turn the machine off then on. 2) Remove the toner cartridge. Thoroughly roll the cartridge five or six times to distribute the toner evenly inside the cartridge. And reinstall the toner cartridge. 3) Check if the CRUM contact area is contaminated. Clean it.

• Code: C2–1510
• Display: Toner cartridge is not compatible. Check users guide.
• Description: Toner cartridge is not compatible.
• Remedy: 1) Print the supply information report. Check information of the toner cartridge. 2) If the toner cartridge is not a Samsung genuine toner cartridge, replace with new one.

• Code: C3–1110, C3–1140
• Display: Prepare new imaging unit End of life, Replace with new imaging unit Replace with new imaging unit(C3-1150) End of life. Replace with new imaging unit(C3-1170)
• Description: The remaining Imaging unit is less than 10% / The Imaging unit is at the end of its life.
• Remedy: Print the supply information report. Check the life remaining of the Imaging unit. If its life is at the end, turn the machine off and replace the Imaging unit with new one.

• Code: C3–1150, C3–1170
• Display: Prepare new imaging unit End of life, Replace with new imaging unit Replace with new imaging unit(C3-1150) End of life. Replace with new imaging unit(C3-1170)
• Description: The remaining Imaging unit is less than 10% / The Imaging unit is at the end of its life.
• Remedy: Print the supply information report. Check the life remaining of the Imaging unit. If its life is at the end, turn the machine off and replace the Imaging unit with new one.

• Code: C3–1410
• Display: Imaging unitis not installed. Install the cartridge
• Description: The Imaging unit is not installed. / The machine can’t detect the Imaging unit.
• Remedy: 1) Turn the machine off then on. 2) Remove the Imaging unit, then reinstall the toner cartridge. 3) Check if the CRUM contact area is contaminated. Clean it.

• Code: C3–1512
• Display: Imaging unit is not compatible. Check users guide.
• Description: Imaging unit is not compatible.
• Remedy: 1) Print the supply information report. Check information of theImaging unit. 2) If theImaging unit is not a Samsung genuine Imaging unit, replace with new one.

• Code: M1–1110, M1–1710
• Display: Paper jam in Tray 1 Paper jam in manual feeder(M1-1710)
• Description: The jammed paper has occurred in the tray.
• Remedy: 1) First, clear the jam. 2) Remove the tray. Check if the loaded paper is in proper place. Align it. 3) If the jammed paper occurred before entering it to the retard roller, check the Sheet Retard / Pickup roller / Forward roller / CST Knock up / CST Knock up Spring. 4) If the jammed paper occurred after entering it to the retard roller, check the Ribs in paper path.

• Code: M1–5112, M1–5113
• 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.