Move the file 'Canon MF4350dseries' from that list to the trash, then run the installation using the download from the Canon U.S.A. Mac HD \ Library \ Printers \ PPDs \ Contents \ Resources \ If the printer does not show up in that list, open the following folder on the computer: If you get a single-column context menu, click on Add New Printer or Scanner to open the Add New window. Since the printer is being seen by USB, try opening the Printers & Scanners window and clicking on the button.
