Maybe as a workaround just create another user for one of the scanners? It would be a PITA but it beats having to reinstall all that stuff back and forth etc.

If you're like most people, you have a multi-function fax/print/scan device that you use for scanning, or you just use your smartphone. If you're a little more serious, maybe you also have a flatbed.

The Epson Perfection 4490 Photo is a speedy midrange scanner that offers a 4800 dpi scanning resolution and a built-in transparency unit with support for 35mm slides and filmstrips. It did a ...

Epson’s Perfection V350 Photo is a reasonably priced USB scanner with a built-in transparency adapter for scanning film and slides at resolutions of up to 4,800 dpi. Its most notable feature is an ...