You have to deactivate your Wi-Fi on your router. Or switch your Wi-Fi router off. The printer must not be able to connect to any Wi-Fi. Then you have to connect your computer to the printer via USB cable.Then it should work.
There is a new firmware update from Canon, that solved the problem...https://www.usa.canon.com/internet/portal/us/home/support/product-advisories/detail/service%20notice%20canon%20inkjet%20printer%20continuous%20reboot%20loop%20or%20powering%20down
