Step Manual Reset Canon iP1980
First. Printer power cable plugs in a state separated
2. Press and hold down the power button with your index finger and then the input power cable
3. Still hold the power button, then press the middle finger Button reset button twice.
4. Release the power button
5. The printer is not blinking
6. At this stage you've completed the steps Manual Reset
7. In order to permanently software please use the Reset.