常见问题解答与故障排除

Check the following points to clear the message:

• The corona wire on the drum unit must be cleaned. Clean the corona wire on the drum unit.

  > Click here to see how to clean the corona wire.

   

• The drum unit or the toner cartridge and drum unit assembly is not installed correctly. Pull out the drum unit and toner cartridge assembly, take out the toner cartridge, and put it back in the drum unit again. Put the drum unit and toner cartridge assembly back in the machine.

  • > Click here to see how to reinstall the toner cartridge.

  • > Click here to see how to reinstall the drum unit.