Canon Service Tool v4502 is an unofficial, leaked technician utility used to reset "Waste Ink Absorber Full" errors, but downloading it poses significant malware risks and may permanently lock printers. While effective for specific older models, it requires a USB connection and does not physically clean the ink pads, making it a temporary solution with potential security risks. For a detailed breakdown, see discussions on PrinterKnowledge Canon service tool v2000 | Page 21 - PrinterKnowledge
To use version 4502, the printer must first be placed into , typically through a sequence of physical button presses: canon service tool v 4502 free download
Let me know your and the exact error code you're seeing. Service Tools for Canon Printers - PrinterKnowledge Canon Service Tool v4502 is an unofficial, leaked