If installed correctly, an MF driver or software icon is displayed in the locations shown next. If the icon is not displayed, uninstall the MF driver or software and reinstall it. For a printer driver: When using Windows 10: [Settings] > [Devices] > [Printers & scanners] > [Printers] ...
scanner, and fax driver depending on which model you have. In the illustrations below we used the imageCLASS MF729Cdw and Windows 7 64 bit. The screens may vary somewhat based on your selections and the browser you use.
My theory is some Windows Update or some other program must have messed with the Windows Firewall settings and closed the port that the Canon MF232w printer uses for scanning. Re-installing the driver has fixed it for now. Thanks, Alan Hello! So that the Community can help you...