The Pantum P2500 Printer has built in Single Function Mono Laser. In this printer, it has 23 pages print speed in per minute, Manual duplex print, 22PPM (A4) / 23PPM (Letter) Speed PPM black, Speed USB 2.0 with 01 year of warranty. The Pantum P2500 Laser Printer is capable with Microsoft Windows Server2003, Server2008, Server2012, XP Vista Win7, Win8, Win8.1, Win10 (32/64 Bit), Mac OS 10.6/10.7/10.8/10.9/10.10 ,Linux operating system with the P(A/B/C)-210 Series (1,600 pages) Consumable. This exclusive Pantum P2500 printer is built with Sleek design and compact size fit nicely on any workspace, Automatic sleep mode to conserve energy and promote savings and Sleek design and compact size fit nicely on any work space. This Pantum P2500 Single Function Mono Laser Printer is capable with 700 pages for monthly pint volume, 7.8sec in First Printout time with a 600 MHz processor plus 128 MB memory producing faster results.