The Service Tool V3400, and administration instrument V3600, enable you to reset the waste ink cushion counter on some Canon printers:You can fathom the messages blunders “Waste Ink Tank Full” or “Waste Ink Pad Full”, “mistake 5B00” or “Blunder P07” on these printers: Canon Pixma iP2700, iP4800, iP4810, iP4840, iP4850,.