Press the button 5 times (or 6 times depending on the model).
Manually forces ink into the tubes (essential for G-series printers). Why a "Repack" Version? canon service tool v4905 download repack
In the "Ink Absorber Counter" section, ensure "Main" is selected and click . You should see a "A function was finished" message. Press the button 5 times (or 6 times depending on the model)
Some repacks include modified USB drivers that can crash your operating system’s print spooler, leading to "Printer Not Responding" across all devices. canon service tool v4905 download repack
The Service Tool will not work unless your printer is in . Follow these steps carefully: Turn off the printer (but keep it plugged in).
Always run the downloaded .zip or .exe through VirusTotal.