Xerox Phaser 3320 Driver for Macintosh. Xerox Phaser 3320 Driver and Utilities for Mac OS X Filename: Xerox_P3320_Mac_OSX_Installer.dmg, Size 39.1 MB .... Xerox_P3320_Mac_OSX_Installer.dmg. June 12, 2014. Operating system. OS X Lion 10.7; OS X Leopard 10.5; OS X Snow Leopard 10.6. File ty