If you are connected via USB and receive this message, make sure the Wireless button on the back of the scanner is set to "OFF". By default, it is set to "ON" and you will receive this error message if trying to use the scanner via USB .
It has been reported that a communication error occurs when the scanner is connected via USB in the Windows 11 environment. This issue is considered to be derived from the operating specifications of the OS.
https://www.usa.canon.com/internet/portal/us/home/support/details/scanners/ document-scanner / imageformula - dr -c225w-ii/ imageformula - dr -c225w-ii-office- document-scanner ?subtab=downloads-firmware Once the firmware has been updated, you will need to download and install the latest versions of the following files: - TWAIN Driver
Restore the registry When the scanner is connected to a computer with a camera or a computer that had a USB camera connected to it, the scanner may be unrecognized because Windows has imported a device ID that is incompatible with the WIA registry. Use the "Restoration Tool for Scanner Registry" to restore the registry.
