Right-click ServiceTool_V4906.exe and select .
The Canon Service Tool V.4906 is an official, proprietary diagnostic utility used by authorized technicians. Version 4906 is highly sought after because it expands compatibility to a broader range of older and newer Pixma G-series (MegaTank) and TS-series printers. Core Functions Software Canon Service Tool V.4906 Download
Press and hold down the button (represented by a red triangle inside a circle). Right-click ServiceTool_V4906