CanonBJC-50 BJC-55 BJC-80 BJC-85 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