-Function: 3 in 1 Black Print, copy, Scan (flatbed) LaserJet Not Duplex -Print Speed: up to 20ppm -Resolution: up to 600 x 600 DPI -Memory: 64MB -Duty Cycle: up to 8,000 papers -Toner: W150A -Interface: 1 Hi-Speed USB

-Function: Single Function, Black Print LaserJet No Duplex -Print Speed: up to 21ppm -Resolution: up to 600x600 DPI -Memory: 32MB -Duty Cycle: up to 8,000 papers -Toner: 150A -Interface: 1 Hi-Speed USB 2.0; 2.4GHz Wireless 802.11b/g/n with Bluetooth low energy

-Function: 3 in 1 Black Print, copy, Scan (flatbed) LaserJet Not Duplex -Print Speed: up to 20ppm -Resolution: up to 600 x 600 DPI -Memory: 64MB -Duty Cycle: up to 8,000 papers -Toner: W150A -Interface: 1 Hi-Speed USB; 802.11b/g/n (2.4 GHz) Wi-Fi radio + Bluetooth

-Function: 3 in 1 Black Print, copy, Scan (flatbed) LaserJet Manual Duplex -Print Speed: up to 18 ppm -Resolution: 600x600 DPI -Memory: 128 MB -Duty Cycle: up to 5,000 papers -Toner: CF279A -Interface: 1 Hi-Speed USB 2.0; 1 Fast Ethernet 10/100Base-TX; 1 Wireless 802.11b/g/n

-Function: 4 in 1 Black Print, copy, Scan (sheet feed & flatbed) & fax LaserJet automatic Duplex -Print Speed: up to 38ppm -Resolution: 1200x1200 DPI -Memory: 512MB -Duty Cycle: Up to 80,000 papers -Toner: CF259A -Interface: 1 Hi-Speed USB 2.0; 1 rear host USB; 1 Front USB port; Gigabit Ethernet 10/100/1000BASE-T network; 802.3az(EEE); 802.11b/g/n/2.4/5 GHZ Wi-Fi radio