This is the latest Macintosh print driver, providing full compatibility with the Mac OS X 10.9 operating system. This driver is compatible with Mac OS 10.6, 10.7, and 10.8. Note: This driver is for the EFI Fiery v2.0 (iGen4 v3.0x) system only. Separate drivers are available for the EFI Fiery v1.0 and v3.0.