Work of scaner mostly depends on it's type - SCSI/LPT/USB/..., because TWAIN-interface is supported. Also you can find information about scanners and OS/2 here.
It's easy to maintain eComStation: a) Fast installation (20 minutes and it's ready), b) Universal drivers, replace a device - the system boots and continues work, c) Use eCS to recover damaged Windows (no danger to be infected by virus)