Canon Service Tool V5510 ^new^ -

While holding the Power button, release the Stop/Resume button and then press it (or 6 times for MG/G series).

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. canon service tool v5510

Turn off the printer using its power button. It may take a few seconds to shut down completely. While holding the Power button, release the Stop/Resume