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.
The Perfection V700 Photo scanner is a mid-range flatbed scanner with a split personality. It offers up to 4,800 dpi (dots per inch) scans for reflective media, like magazines and photographs, but it ...
In modern incarnations of Linux -- especially Ubuntu -- most scanners work when plugged in via USB. Many Epson printers work on Linux without the need of additional drivers, but you can also install ...