I had issues with keeping my scanner working and had to reset the connection regularly. Recently I saw that I had drivers for an additional older scanner (Xerox) installed on my computer. I unistalled all other drivers except for the Canon, and hav...
I figured out how to fix both the Toolbox and scanner. It simply requires that you uninstall both the current drivers and the Toolbox, reboot the computer, and reinstall the drivers.
I have same problem with my MF4350d scanner. If anyone has figured out a way to get Toolbox or scanner to work with windows 10, please post. Printing is not a problem, but I need to use the scanner too.