Reset Printer Canon BJC-5x/8x/M40/M70

1. Unplug Power Cord
2. Hold POWER and RESUME buttons
3. Plug in Power Cord
4. Release buttons after the printers starts up
5. Hold CARTRIDGE and RESUME
6. Press POWER
7. Release all buttons after the beeps
8. Press CARTRIDGE 16 times
9. Press RESUME
10. Unplug the Power cord