ScanSnap was a acquired by Ricoh and the drivers and software are still freely available. There are sites that appear to be selling third party options to use this device on later operating systems, but from our testing the latest versions of the software
Introduction Thank you for purchasing the color image scanner ScanSnap S1500/S1500M (hereinafter referred to as "the ScanSnap"). This manual explains how to handle and operate the ScanSnap. Be sure to read this manual and "Getting Started&q