I80 WASTE TANK RESET CODES the waste absorber full reset sequence for the I80. 1)Turn off the printer. Press and hold the Resume/Cancel and Power buttons at the same time. 2)Release the Resume/Cancel button. (continue to hold down the power button) 3)While continuing to hold down the power button press the Resume/Cancel button 3 times then release both buttons. 4)The LED should now be green. Press the Resume/Cancel button 4 times. The led should be green. Power it off and you should be good to go!