Service - Tool V4720 Download ((install)) Repack

Under the section, ensure "Main" is selected in the dropdown.

Service Tool v4720: The Essential Maintenance Utility for Canon Printers service tool v4720 download repack

This usually means the printer isn't in Service Mode or the drivers aren't properly installed. Under the section, ensure "Main" is selected in the dropdown

It is often "cracked" or modified to bypass the license check. Under the section