Yes, I don't see it on the download page for that model. There is the ScanGear Starter EX Ver.1.2.0 (Mac) application that you might want to give it a try. Also the Image Capture app on you mac should work.
I also updated my Mac to the new Sonoma operating system. I got the same error. I was able to scan using the IJ Scan Utility Lite Ver.4.1.0 (Mac) utility that one can download from the same page as the Canon IJ Scan Utility2 download. Using the Lite ...
