: If your printer shows an error like "5B00" (waste ink absorber full), the software only resets the counter; it doesn't clean the physical ink, which may eventually leak. Where to Look
: A Windows-based utility used to diagnose, maintain, and calibrate Canon inkjet printers.
Using the tool incorrectly can "brick" your printer (render it permanently unusable). Follow these safety steps: Step 1: Enter Service Mode
Canon Service Tool v4720 is often cited on forums and video tutorials as a utility to reset waste ink counters, adjust printer parameters, and run maintenance routines on various Canon inkjet models. But a quick search for a verified, official download raises red flags worth unpacking.
Finding a verified download of V4720 is challenging because Canon does not officially distribute this tool to the public.
: Verified copies are sometimes shared on technician forums like Security Warning