While holding Stop/Reset, press and hold the button. The green power LED will light up.
: Let go of all buttons. If the power light stays steady, you've successfully entered Service Mode. canon service tool v5510
If the tool does not work as expected, you may encounter one of the following error codes. Understanding their meaning is key to resolving the issue. While holding Stop/Reset, press and hold the button
Are you dealing with a specific ? Let me know the model of your printer so I can find the exact Service Mode sequence for you! Canon Service Tool Errors during waste ink counters reset While holding Stop/Reset