Lexmark MX910de Mono, Laser, Copy, Print, Scan, A3, Black, White, Black, Yes, USB 2.0 Specification Hi-Speed Certified (Type B) Front USB 2.0 Specification Hi-Speed Certified port (Type A) Ethernet 10/100/1000, 1200x1200 DPI, Duplex functions, 45 ppm ipm