Press the button 5 times (or 6 times for newer G-series models). Release the Power button.
The Canon Service Tool V 4502 is a powerful utility for diagnosing and repairing Canon printers. While it's not officially available for public download, you can still find it online through various sources. When downloading and using the software, take safety precautions to avoid damaging your printer or computer. If you're not comfortable using the software, consider seeking professional help from an authorized Canon service center or technician. canon service tool v 4502 free download
Canon explicitly states that Service Tool is intended only for authorized service centers. Using it without proper training and authorization may void your printer’s warranty and could be considered a violation of Canon’s terms of service. Press the button 5 times (or 6 times
Resets the Main and Platen waste ink counters to 0%. While it's not officially available for public download,
: Some versions of the tool can detect whether your printer needs a firmware update and can assist in downloading and installing the latest firmware files to improve performance and functionality.