Full Details on Amazon.com : http://www.amazon.com/gp/product/B000591NWU?tag=tsukuyomi-20
HP LaserJet 4250dtn Printer with Extra 500-Sheet Tray and Auto Duplexing (Q5403A#ABA)
Up to 45 ppm print speed up to 1200 dpi resolution
460 MHz processor 64 MB memory expandable to 512 MB
3 paper trays 1100-sheet standard input capacity automatic two-sided printing
HP Jetdirect Fast Ethernet embedded print server
USB and parallel connectivity PC and Mac compatible