This article explains what to do if you see the error "You do not have permission to open the application “Canon IJScanner###" when scanning after installing the ICA driver for your scanner or multifunction printer on macOS 11.5.
Master Setup (Full Driver & Software Packages) For some models, when setting up the printer via a USB cable, after the USB cable is connected, an error screen appears without the driver installed. [Workaround]
and execute utility functions from apps such as Canon Inkjet Print Utility and PIXMA /MAXIFY Printing Solutions. ... This function displays printer information such as the remaining ink amount, the status, and detailed error information.
