How To Reset The Printer Canon IP 2770
1. The printer is on.
2. Press and hold the "RESUME" button the press and hold the "POWER" button 5 times each and then release both buttons simultanesously (Led will blink briefly the will flash GREEN).
3. The computer will detect a new device, just cancel.
4. This shows the printer IP2770 is in a state of SERVICE MODE and ready to be reset.
and then run Resetter IP2770.