Canon Service Tool V.3900 Download Patched 【2026】

Turn off the printer completely. Leave the power cable plugged into the wall outlet.

Using an incorrect version (e.g., using a V.3900 tool on a 2018 printer) will result in an error, making the software unable to communicate with your device.

Reads, saves, and writes the printer’s Electronically Erasable Programmable Read-Only Memory data for diagnostics. Canon Service Tool V.3900 Download

Technicians and advanced users who need to:

If you decide to proceed, understanding the specific entry method is crucial. You cannot simply plug the printer in and run the software. Turn off the printer completely

Under the "Clear Ink Counter" section, click and Platen to reset the counters.

This tool supports a wide range of older legacy models, including: Under the "Clear Ink Counter" section, click and

When a printer prints, a small amount of ink is deposited into internal absorbent pads during head cleanings. The printer estimates this usage using an internal electronic counter. Once that counter hits 100%, the printer locks down. The V.3900 software communicates with the printer firmware to reset this counter back to 0%. Key Features of V.3900

If you reset your counter without replacing the pads or installing an external waste ink bottle mod, excess ink will eventually leak out of the bottom of your printer, ruining your desk, floors, or the internal circuitry of the machine. Always clean or replace the pads after a software reset.