Plug the printer to the power source
press and hold the stop/reset button
press the power button
if the power led light, press two times the stop/reset button
release the Power button and the stop/reset button
wait, when the power led is green, press the stop/reset button 4times to reset wase ink counter.
unplug the printer from the power source
plug the printer again to the power source and power it on
the counter is set to zero.