While still holding Stop/Reset, press and . The power LED will light up.

Once you have downloaded, prepared, and put your printer into service mode, you can follow this general guide.

The you currently see

The Canon Service Tool v4502 is an invaluable, free resource for extending the life of your printer. By safely downloading, installing, and using this tool, you can bypass the "Waste Ink Pad Full" error and avoid unnecessary repair costs.

This is a utility primarily used to reset the (often called the "Pampers" counter). It is designed for older PIXMA, MAXIFY, and G-series models that do not have a user-replaceable maintenance tank. Step 1: Put Your Printer in "Service Mode"