Using unlicensed diagnostic software violates the Digital Millennium Copyright Act (DMCA) and software licensing agreements. If you are a professional shop, an audit by the software holder could result in six-figure fines.
. This tool was designed for authorized service centers and is not intended for consumer use. Downloading it from unofficial third-party sites carries significant risks: service tool v4720 download link
Service Tool V4720 is a maintenance utility provided by Canon for its service centers. While not officially distributed to the public, it has become a staple for DIY printer maintenance. It allows you to communicate directly with the printer's firmware to clear internal counters that stop the printer from operating once they hit a certain limit. Key Features service tool v4720 download link