Relisys scanner

I am trying to use this scanner(VM3520) with a Macintosh computer.It
worked on an Amiga computer with no problem.The manufacturer is
showm as Migraph.The scanner shows on the scsi bus but none of the
avaiable drivers work with it.I need a manual and as much tecnical info as
possible.Is the Migraph rom a problem?Is there a different setup for Mac
computers as opposed to other computers?Relisys has been of no
help and the PDF site for the owners manual has ex