instruction to reset Canon MP800, MP820, MP810, MP830, MP960, MP970
1. Start with printer off
2. Press and hold resume Button (triangle in the circle) and click “Power” button. green led should be on
3. While holding the Power button, release the Resume Button.
4. Without releasing the Power Button, click “Resume” button for two times and release Both Buttons.
5. Click “Resume” for four times then soon click “Power” button, to confirm the selected action (reset counter absorber).
6. Turn off the printer and turn on again