I notice you're asking about Canon Service Tool v4718 — a piece of software typically used for resetting waste ink counters, entering service mode, and performing deeper maintenance on Canon printers (especially PIXMA models).
Note: Newer models or regional variations may require later versions like v5103 or v5306 if v4718 does not recognize the device. Step-by-Step Usage Guide
Cleaning Cycles: Triggers deep cleaning and ink system flushes.
This tool provides access to specialized service-mode functions that are not available in standard user menus: Ink Counter Reset: