When an error occurs you will see flashing lights on your printer panel. Depending on the error , a support code ( error number) and a message may also display on your computer screen.
, refer to Troubleshoot a "required privileges error" with the IJ Scan Utility from a Windows computer. When attempting to scan, you may get an error message that looks similar those below.
Allow the scan utility to work through Windows Defender next to Add an allowed app In the window that appears, navigate to C :\Program Files (x86)\Canon\IJ Scan Utility and double click SCANUTILITY.exe