HP Color Laser 150nw. Functions: Print. Print technology: Laser. Print speed: Up to 18 ppm Black(A4, normal); Up to 4 ppm Colour (A4, normal). Print resolution: 600 x 600 dpi 4 bits Black(best); 600 x 600 dpi 4 bits Colour(best). Monthly duty cycle: Up to 20,000 pages A4; Recommended monthly page volume : 100 to 500. Duplex printing: Manual (driver support provided). Standard: Hi-Speed USB 2.0 port, Fast Ethernet 10/100Base-TX network port, Wireless 802.11 b/g/n. Wireless: Yes