• Code: C2-2120, C2-2150, C2-3120
• Display: Replace with new (color) toner cartridge.
• Description: The toner cartridge is at the end of its life.
• Remedy: 1) Print the supply information report. Check the life remaining of the toner cartridge. 2) If its life is at the end, turn the machine off and replace the toner cartridge with new one.

• Code: C2-2320, C2-2410, C2-3320
• Display: (color) Toner Failure: #. Install (color) toner cartridge again. Install yellow toner cartridge.
• Description: The toner cartridge is not installed or the CRUM has some problem.
• Remedy: 1) Check if the toner cartridge is installed properly. Turn the machine off then on. 2) If the error message is not disappear, 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) If the problem persists, check that the CRUM contact area is contaminated. Clean it. 4) If the problem persists, replace the toner cartridge with new one.

• Code: C2-2512, C2-3512
• Display: (Color) toner cartridge is not compatible. Check user's 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: C2-3150, C2-4120, C2-4150
• Display: Replace with new (color) toner cartridge.
• Description: The toner cartridge is at the end of its life.
• Remedy: 1) Print the supply information report. Check the life remaining of the toner cartridge. 2) If its life is at the end, turn the machine off and replace the toner cartridge with new one.

• Code: C2-3410, C2-4320, C2-4410
• Display: (color) Toner Failure: #. Install (color) toner cartridge again. Install yellow toner cartridge.
• Description: The toner cartridge is not installed or the CRUM has some problem.
• Remedy: 1) Check if the toner cartridge is installed properly. Turn the machine off then on. 2) If the error message is not disappear, 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) If the problem persists, check that the CRUM contact area is contaminated. Clean it. 4) If the problem persists, replace the toner cartridge with new one.

• Code: C2-4110, C2-5110
• Display: Prepare new (color) toner cartridge.all f
• Description: The remaining toner cartridge is less than 10%
• Remedy: 1) Print the supply information report. Check the life remaining of the toner cartridge. 2) If its life is at the end, turn the machine off and replace the toner cartridge with new one.

• Code: C2-4512, C2-5512
• Display: (Color) toner cartridge is not compatible. Check user's 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: C2-5120, C2-5150
• Display: Replace with new (color) toner cartridge.
• Description: The toner cartridge is at the end of its life.
• Remedy: 1) Print the supply information report. Check the life remaining of the toner cartridge. 2) If its life is at the end, turn the machine off and replace the toner cartridge with new one.