Using V4720 on a very old printer (like the MP145) or a brand-new Pro-series printer may cause a "Communication Error."
After you complete your search and have the safe file, follow this guide. canon service tool v4720 download verified
Since official links don't exist, users often rely on community-vetted mirrors. Note that some sites may charge a small fee for a "verified" license key to ensure the tool works without errors. Using V4720 on a very old printer (like
: Once the tool detects the printer, you can select the "Main" ink absorber counter and click "Set" to reset it to 0%. canon service tool v4720 download verified
Have you successfully used a verified v4720? Share your model and experience in the comments below (no links to unverified downloads, please).