Model: S400 Version 1.7.0
Operating System: Mac OS (Note: might work with other versions of this os.)
Once the file has UnStuffed, double-click "S400_OSX_v170" to begin installation. This printer driver is compatible with the iMac, G3 & G4 series computers that can run Macintosh OS X and are equipped built-in USB ports. Installation instructions are not included.