Why can I scan through TWAIN in Image Capture but not in DEVONthink?
When multi-function scanners are not visible in DEVONthink Pro Office (you will be asked to connect to one in Image Capture) but are supported by Image Capture, the problem may be caused by your USB hub. Try to connect the scanner directly to a USB port on your Mac and you may find that it will now be recognized when you go to the File > Import > Document (via Image Capture)…