Release both buttons. If the power light stays steady green, the printer is in Service Mode. :
To use the tool, the printer must be placed in a physical "Service Mode" state. This process is often described by users as a precise "cheat code" sequence: : Keep the USB cable connected but turn the printer off. : Press and hold the Stop/Resume button (red triangle), then press and hold the : While holding Power, release Stop and press it exactly (or 6 for some MG models). The Release canon service tool v3900 download hot
Simply resetting the counter does not physically clean the ink pads. If the pads are actually full, ink may eventually leak and damage the printer's internal electronics. 📋 Usage Requirements To use the tool effectively, you generally need: Release both buttons
That said, hobbyists, refillers, and small repair shops have used these tools for years to extend the life of printers rather than sending them to landfills. The ethical debate aside, you assume all legal and technical liability by downloading and using it. This process is often described by users as
Ensure your basic printer drivers are already installed on the PC. 2. How to Enter Service Mode
If you attempt to download this software using that specific search term, here is what typically happens:
Running a service tool not authorized by Canon immediately voids any remaining manufacturer’s warranty, even if the problem (like a full waste ink pad) is a design flaw.