Canon i80 Waste Ink Tank Full

Try this to reset the error.1) Close the print head cover, and turn off the printer. While pressing the Resume/Cancel button, press the Power button. (Do not release the buttons. The LED lights in green to indicate that a function is selectable.)2) While holding the Power button, release the Resume/Cancel button. (Do not release the Power button.)3) While holding the Power button, press the