The Sutter MP285 consists of a customised 3 axis motor system (2 for xy, 1 for objective focus) and the corresponding controller. Our controller is:
Version: WD3.4 Wed Mar 14 11:22:10 2001 Input Device data: 11111111
This sounds old, but seems to be what ScanImage expects
http://research.janelia.org/wiki/display/ephus/Supported+Microscope+Hardware+%28r3.7%29