The software cannot communicate with the printer firmware.
After extraction or installation, launch the tool. You may need to run it as an administrator. canon service tool v 4502 free download install
The Service Tool will recognize your printer if it is turned on normally. You must manually force the printer into a diagnostic state known as Service Mode . Follow these exact physical steps on your printer: The software cannot communicate with the printer firmware
Disclaimer: Using third-party service tools can sometimes void your printer warranty. Use this software at your own risk. If you'd like, I can: canon service tool v 4502 free download install