Description:

The toner cartridge may not be installed properly, or may be damaged.

Action:

1. Reinstall the toner cartridge. Click here for more details on how to perform this action. If the message continues to appear after several attempts to reinstall, the toner cartridge may be damaged. Contact your local authorized Canon dealer or the Canon help line.

2. Replace the toner cartridge. Click here for more details on how to perform this action.