You're looking for a review of the Canon Service Tool v.4906 and where to download it for free. I must emphasize that downloading software from unofficial sources can pose risks to your device's security and potentially lead to software piracy.
IJ Printer Assistant Tool Ver.1.120.3 (Windows) - Canon India software canon service tool v.4906 download gratis
Note: These do not support all printers that v.4906 does. You're looking for a review of the Canon Service Tool v
Canon Service Tool Errors during waste ink counters reset | WIC Reset Utility. Reset the Waste Ink Pad Counters by WIC. WIC supports Information About the Canon PRINT App Canon Service Tool Errors during waste ink counters
While this software resets the counter, it does not clean the actual physical sponge pads filled with waste ink. If you reset the counter too many times without cleaning or replacing the pads, ink might leak from the bottom of the printer.