Have you tried installing the AIO printer as a network deviced in EACH computer? Each machine will access it through the network, but they each will have the necessary drivers, especially for scanning.
CorkyG - Tucson, AZ
... Lack of transparency is a huge political advantage. And basically, call it the stupidity of the American voter or whatever, but basically that was really really critical for the thing to pass...... Dr. J. Gruber, ACA Architectural Consultant