Maybe try uninstalling the device drivers via the Windows 10 program uninstall process (either via Control Panel or Settings/Apps) and then download the drivers from Canon. I had tried just downloading the MP Navigator utility and that did not solve ...
I have a Canon PIXMA MX340 that had the same problem. After the recent Windows 10 version 1910 feature update was applied to my computer, the scanner function did not work. The printer still printed, but scanning did not work. I uninstalled the Canon...
