Release the Stop button, then press it while still holding the Power button.
Release both buttons. Wait for the green power light to stop flashing and stay solid. Press the Stop button 5 times . canon g3400 reset
The 5B00 error indicates that the waste ink counter has reached its limit. You can reset this manually by entering : Enter Service Mode: Turn off the printer but keep it plugged in. Press and hold the Stop button (red triangle icon). While holding Stop, press and hold the Power button. Release the Stop button, then press it while