A Canon Service Tool is a software utility designed for technicians and authorized service providers to diagnose, repair, and maintain Canon printers and other imaging devices. These tools allow users to access and modify printer settings, perform calibration and adjustment procedures, and troubleshoot issues.
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Look at the section at the top of the interface. A Canon Service Tool is a software utility
Here is the reality check: This tool is not distributed by Canon publicly. It is considered "leaked" service software. Because of this, you will find it on third-party forums, file-sharing sites, and torrents. perform calibration and adjustment procedures