The V4720 version is specifically required for many mid-generation Canon models (such as the MG5500, MG6600, and early G-series) because using older versions like V3400 on these machines can permanently lock or "brick" the printer's service mode.
Simply resetting the software counter does not clean the physical ink pads. If the pads are actually full, continuing to print can cause a nasty ink leak inside your machine. Brother USA Manual Reset Alternatives Canon Service Tool V4720 Download
The Canon Service Tool V4720 is a comprehensive software tool designed for authorized Canon service providers and technicians to diagnose, repair, and maintain Canon printers, multifunction devices, and other imaging equipment. The tool allows users to access and control various printer functions, perform adjustments, and troubleshoot issues. The V4720 version is specifically required for many