In a small office you can do without more wires trailing everywhere. So the HL-2270DW is just what you need, with its easy (and totally secure) wireless networking making it easy to share amongst colleagues. Better still, the compact design saves you space, double-sided printing saves you paper & fast 26 pages per minute print speeds & large paper capacity save you time. How much more useful could it be? Mono Laser Printer Print Speed: 26ppm Print Resolution: 2400x 600dpi Paper Capacity: 250 sheets A4 & above Network Connectivity: High Speed USB (Universal Serial Bus), Wireless (802.11b/g) Operating System Required: Windows 2000 Pro, Citrix, Linux, Windows XP, Windows XP Pro, Windows 7, Windows Vista, Apple Mac OS X 10.4.11 & later Auto document feeder: Standard Paper output tray (face down): 100 sheets Interface: Hi-Speed USB (Universal Serial Bus) 2.0 12 month warranty Network Ready Latest in Wireless technology & security Wx Dx H: 475x 454x 331mm