Samsung CLP-680ND Color Laser Printer: Key Features: * Print Speed. Black: Up to 25 ppm; Color: Up to 25 ppm * Print Resolution. Up to 9600 x 600 dpi * Energy Star certified * Replacement Ink CLT-K506S, CLT-K506L Black Ink Cartridges, CLT-Y506S Yellow, CLT-M506S Magenta, CLT-C506S Cyan; Yellow CLT-Y506L, CLT-M506L Magenta, CLT-C506L Cyan Color Ink CartridgesAdditional Specifications: * Direct Print Supported USB 2.0 port and Gigabit Ethernet * Auto-duplex printing * Paper & Media Compatibility: 250-sheet input tray, 100-sheet output tray Plain, Thin, Thick, Cardstock, Thicker, Hole Punched, Transparency, Pre-Printed, Letterhead, Recycled, Archive, Bond, Label, Envelope, Cotton, Colored, GlossySystem Requirements: * Compatible Operating Systems: Windows (32/64 bit) XP/2003/Vista/2008/7/2008 R2, Mac OS X 10.4 - 10.7, Various Linux, Various Unix, CiTRIX Server What"s Included: * Samsung CLP Printer (Black) * Samsung Laser Printer User"s Guide * Installation CD-ROMs * Power supply * Power cord * USB cable not included. To shop for a USB printer cable, click here ENERGY STAR® Products that are ENERGY STAR-qualified prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the U.S. Department of Energy. The ENERGY STAR name and marks are registered marks owned by the U.S. government, as part of their energy efficiency and environmental activities.