4 USB 2.0 printer ports Built-in wireless 802.11g interface with WPS ( Wi-Fi Protected Setup) support 10/ 100BASE-TX Ethernet port Supports Internet Printing Protocol ( IPP) for remote printing over the Internet Supports a wide range of printers including GDI Supports scan and fax functions of multifunction equipment Supports TCP/ IP, LPR, RAW, IPP Compatible with Windows 7*