: Download and extract the Canon Service Tool V.3900 ZIP file to a dedicated folder on your local drive.

When a utility like the Service Tool is used, it interacts with the printer's firmware to address maintenance alerts.

Allows users to read, dump, and clear the printer’s Electronically Erasable Programmable Read-Only Memory.

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.

Modifying printer firmware registers comes with distinct risks. Adhere to these rules to avoid permanently corrupting ("bricking") your printer's motherboard:

Canon Service Tool V.3900 an essential utility for printer maintenance, primarily used to reset the Waste Ink Absorber Counter