Samsung SF-76x series Service Manual page 80

4. Alignment and Troubleshooting
► Error Code
C2–1110
C2–1120
C2–1140
► Error message
Prepare new toner cartridge.
Replace new cartridge.
Replace new cartridge.
► Symptom
The remaining toner cartridge is less than 10% / The toner cartridge is at the end of its life.
► Troubleshooting method
Print the supply information report.
Check the life remaining of the toner cartridge.
If its life is at the end, turn the machine off and replace the toner cartridge with new one.
► Error Code
C2–1410
C2–1710
C2–1711
C2–1712
► Error message
Install cartridge.
Error: #C2-1710 Call for Service
Error: #C2-1711 Call for Service
Error: #C2-1712 Call for Service
► Symptom
The toner cartridge is not installed. / The machine can't detect the toner cartridge. / The CRUM has a problem.
► Troubleshooting method
1) Check if the toner cartridge is installed. If it is OK, 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.
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