ou can use several ways to reset your Canon printer. If it has a “Power” button, then push it as well as the “Stop” button. Keep doing this for some time and the device should show “O” on the display. That should indicate that this method is working.
Or, you may see the other ways below: https://www.errorsdoc.com/canon/how-to-reset-canon-pixma-printer-ink-cartridge-factory-settings/