be in "Service Mode" first. The tool will not communicate with the printer otherwise.
: First, check the official Canon website. Sometimes, Canon provides service tools and software for their products on their official site. Navigate to the support or downloads section and search for your printer model or the specific tool. canon service tool v3900 download top
: Allows you to view and print internal usage data for diagnostic purposes. be in "Service Mode" first
Press the button 5 times (6 times for some MG series models). Release the Power button. Sometimes, Canon provides service tools and software for
: Sites like PrinterKnowledge provide peer-to-peer advice on using various tool versions.
If your Canon iP, iX, or MG series printer is blinking or displaying an "Ink Absorber Full" error, you can use the to reset the internal waste ink counter.