The FineReader for ScanSnap compatibility update with Snow Leopard is now available for the ScanSnap S1500M and S510M models. You can visit the link below for instructions on how to update ScanSnap Manager and FineReader for ScanSnap:
http://bit.ly/1Jy01l

If you’ve already updated ScanSnap Manager for Snow Leopard, you can proceed directly to step 7 in the instructions; otherwise, follow all the instructions.