The tool provides several functions that aren't available in the standard user maintenance tab:
The tool will only "see" your printer if it is in Service Mode. The standard method for many Pixma models is: Canon Service Tool v.4718 Overview | PDF - Scribd canon service tool v.4718
Configures the printer’s regional settings (e.g., EUR, USA, ASA). Compatibility: Supported Printer Models The tool provides several functions that aren't available
G2000, G2002, G2100, G2200, G2400, G2500, G2600, G2800, G2900 ASA). Compatibility: Supported Printer Models G2000
Allows you to read, save, and verify EEPROM data to troubleshoot deep system issues.