Canon Pixma MP780 Factory Reset Instructions
To get into the service menu press: Menu > Scan > Copy > Scan (one at a time in sequence)
Reset Waste Ink Counter
- Service menu: Menu ; Scan ; Copy ; Scan (one at a time in sequence)
- Select "TEST MODE"
- Select " ETC.."
- Select " EEPROM CLEAR"
- Select " INK COUNT"
- Press the [OK] button.
- Press the [Stop/Reset] button (returns you to the TEST MOD sub-menu))
- Press the [ON/OFF] button (which resets the printer)