HP Officejet Pro X551dw Printer: Key Features: * Print Speed Black: Up to 42 ppm; Color: Up to 42 ppm * Print Resolution Black: Up to 1200 x 1200 dpi, Color: Up to 2400 x 1200 dpi * Built-in wireless * Energy Star certified * Replacement Ink HP 970, HP 970XL Black Ink Cartridges, HP 971, HP 971XL Yellow, Magenta, Cyan Color Ink Cartridges Additional Specifications: * Built-in Wireless LAN (802.11n) Print from multiple computers * 4.3" touchscreen display * Paper & Media Compatibility: 500-sheet input tray, 50-sheet multi-purpose tray, 300-sheet output tray Media Types: Plain paper, photo, envelopes, labels, cards, specialty papers System Requirements: * Compatible Operating Systems: Windows 8, Windows 7, Windows Vista, Windows XP (SP3, 32-bit), Mac OS X v10.6, Mac OS X Lion, Mac OS X Mountain Lion and Linux What"s Included: * Ink cartridges * Installation Guide * Software 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.