Instructions
1 Turn off the printer, but leave the power cord plugged into an outlet.
2 Hold down the "curriculum vitae" and button "Power" at the same time.
3 Release the "Resume" button while holding down the Power button.
4 Tap the "Resume" button twice, then release the Power button. The green light will blink to indicate it has entered into service mode.
5 Wait until you hear the printhead into the printer stops moving.
6 Tap the "Resume" button three times and then press the Power button to run the reset command. The device now reboots its EEPROM settings and return to the factory settings.
Tag: How to Reset a Canon IP 3330 Printer