HP LaserJet Pro M127FW 4:1 Print, Copy, Scan & Fax - Print up to 21 ppm black (ISO speed), Copy Speed Up to 21 cpm, Fax Resolution Up to 300 x 300 dpi, Scan Speed 7.4 ppm black; 5 ppm colour, Duplex (Manual), 35-sheet ADF, 150-sheet input tray, 100 sheet output tray, Connectivity Hi-Speed USB 2.0, built-in Fast Ethernet 10/100Base-TX network, wireless 802.11b/g/n.