Samsung SL-M2870FW Mono Laser All-in-One Printer 4-in-1: print, copy, scan, fax Automatic Duplexing (two-sided printing) Network Ready; Ethernet 10/100 Base Tx, Wireles 802.11.b/g/h, WiFi Direct and Hi-Speed USB 2.0 connectivity Prints up to 29 ppm black 12,000 pages duty cycle. Paper capacity: 250 sheet cassette tray, 1-sheet multi-purpose bypass