Enjoy reliable printing and cost as low as that of toner refills with the HP Officejet Pro 3620 Black and White e-All-in-One Printer. It is compatible with Windows 7/8, Vista, XP, 2003/2008/2012 Server, Mac OS X v10.6, OS X Lion, OS X Mountain Lion and Linux. Its 10/100 Base-T Ethernet capability lets you connect and print documents, whether you're at office or on the go. This BEE 2 Star rated printer allows you to conserve energy without compromising on quality. The HP ink cartridges use water-resistant, fast-drying and durable inks.Other features in this black HP e-All-in-One Printer include up to 12000 pages per month duty cycle, hi-speed USB v2.0, automatic duplex mode, up to 19 ppm speed, 2 inch mono graphic display, 250 sheet paper tray, up to 600 x 1,200 dpi, 500 MHz processor speed, 75 sheet output tray and 128 MB DDR3 SD RAM.