Cause

The ink cartridge may be an ink cartridge that ran out of genuine Canon ink or a counterfeit Canon ink cartridge.

What to Do

To print, you must replace the ink cartridge or disable the function for detecting the remaining ink level. To disable the function for detecting the remaining ink level, press and hold the printer's Stop button for at least 5 seconds, and then release it.

This printer will stop monitoring the remaining ink level for the cartridge(s) in question. Please be advised that Canon shall not be liable for any malfunction or trouble caused by using a non-genuine Canon ink cartridge or by using non-genuine Canon ink.

 If the function for detecting the remaining ink level is disabled, the ink cartridge is displayed in gray on the Estimated ink levels screen on the LCD.

 Follow this link to report a counterfeit Canon ink cartridge.