Cause

Unable to proceed with print head replacement because the maintenance cartridge is almost full.

What to Do

Stop replacing the print head and close the top cover.

Replace the maintenance cartridge before replacing the print head.

If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.

Or if you still need help, visit our Canon Community by clicking the button below to get answers: