Samsung MULTIXPRESS CLX-9251 Series Service Manual page 285

► Error Code
C1–5411
C1–5413
► Error message
Black toner cartridge is not installed. Install it.
Shake black toner cartridge.
► Symptom
The black toner cartridge is not installed. / The CRUM data is not detected.
► Troubleshooting method
1) Open the front cover. Check if the black toner cartridge is installed.
2) Remove and reinstall the black toner cartridge.
3) If the problem persists, check if the toner cartridge modular jack is contaminated or deformed.
4) Replace the black toner cartridge(CLT-K809S) with a new one.
► Error Code
C1–5512
► Error message
Black toner cartridge is not compatible. Check users guide.
► Symptom
Black toner cartridge is not compatible.
► Troubleshooting method
1) Replace the black toner cartridge with a new one.
Copyright© 1995-2016 SAMSUNG. All rights reserved.
4. Troubleshooting
4-100