Canon MX475 Online Manual page 860

1890
Cause
The protective material for the FINE cartridge holder or the tape may remain attached to the holder.
Action
Open the paper output cover, then confirm that the protective material or the tape does not remain
attached to the FINE cartridge holder.
If you find the protective material or the tape remains attached, remove it, then close the paper output
cover.
If the problem is not resolved, contact the service center.
860