4. Troubleshooting
► Error Code
C2–1710 / C2–1711 / C2–1712
► Error message
Error: #C2-1710 / Toner Cart Failure: #C2-1710. Call for service
Error: #C2-1711 / Toner Cart Failure: #C2-1711. Call for service
Error: #C2-1712 / Toner Cart Failure: #C2-1712. Call for service
► Symptom
The data of CRUM is not detected. / CRUM is defective.
► Troubleshooting method
1) Open the front cover. Check if the toner cartridge is installed.
2) Remove and reinstall the toner cartridge.
3) Check if the contact terminal is contaminated or broken. Clean the contact terminal.
4) Check if the CRUM harness is connected correctly. Reconnect it.
5) If the harness is defective, replace it.
6) If the problem persists, replace the toner cartridge with new one.
► Error Code
C6–1110
► Error message
Prepare fuser unit / Prepare new fuser unit
► Symptom
Fuser unit life will be expired soon.
► Troubleshooting method
1) Prepare new fuser unit.
► Error Code
C6–1120
► Error message
Replace Fuser unit / Replace with new fuser unit
► Symptom
Fuser unit is at the end of its life.
► Troubleshooting method
1) Turn the machine off.
2) Open and remove the rear cover.
3) Remove the fuser unit and replace it with new one.
4) Close the rear cover.
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