How to Reset Canon Printers to Clear the Ink Waste Tank Error Message

1. First, unplug the power from the printer and all connections (including USB to the PC as well).
2. Next, press and hold the Start button while plugging the power back into the printer.
3. While still holding the Start button, press the Resume button twice (which then allows for Removal of Ink Cartridges(if you are past the limit otherwise leave them in).
4. Now repeat Step 1 and then repeat Step 2 above.
5. Press the Resume button 4 times (note that the light will only blink the first two times of the four times that you press the button)
6. The error should now have cleared so that you can use the printer.