: The tool will not detect your printer unless it is in Service Mode. This usually involves a specific sequence of holding the Power and Stop/Reset buttons.
Before hunting for v4720, check if your specific printer can be reset using a button sequence. Many Canon PIXMA models allow a waste ink counter reset without any software: canon service tool v4720 download verified
For service professionals: A copy of v4720 remains a valuable legacy tool for maintaining out-of-warranty Canon printers. Always run it on an isolated, offline system when possible. : The tool will not detect your printer
Advanced users can find bootable USB images pre-loaded with v4720 on a minimal Linux environment. This bypasses Windows driver issues. Verified sources include (unofficial addon pack) – check the MD5. Many Canon PIXMA models allow a waste ink
Based on the verification process, the Canon Service Tool v4720 obtained from [insert source here] appears to be safe and functional to the best of our knowledge. However, users are advised to proceed with caution and understand the potential risks associated with using service tools, including but not limited to:
Resetting the digital counter does not physically empty the ink pads. If they are actually full, they may eventually leak if not replaced or cleaned. Canon Service Tool instructions !... - PrinterKnowledge
This article is for informational purposes only. Service tools are designed for trained technicians. Improper use can permanently damage your printer or void your warranty.