Canon BJC-600 BJC-600e BJC-610 BJC-620

1: Unplug Power Cord
2: Hold POWER and FF and Print Mode buttons
3: Plug in Power Cord
4: Release after the beeps

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Canon BJC-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
Canon BJ-30 BJC-35v BJC-70
F14 Error Reset
1: Unplug adapter
2: Hold POWER
3: Plug in ADAPTER
4: Release POWER after printer starts
5: Hold FF and MENU and press POWER
6: Release after beeps
7: Press <> Cartridge until 1A is displayed
8: Press ONLINE
9: Press POWER to shutoff printer
10: Unplug printer then re-plug printer