While keeping the Power button held down, release the Stop button. Now, press the Stop button exactly 5 times (or 6 times for certain TS/G series models). Each time you press it, the alarm/power lights will alternate. Release Power: Release the Power button.
Using this tool can sometimes result in errors if the order of operations isn't perfect. Here is how to fix the most common issues. How to Fix Error 006 canon service tool 4905
The function you selected is not supported by your specific printer model. While keeping the Power button held down, release
No. That is a different firmware hack. Service Tool 4905 only resets waste ink. release the Stop button. Now
Download a verified, virus-free copy of Canon Service Tool V4905.exe .