Technology : Laser Max Resolution (B/W) : 1200 x 1200 dpi Print Speed (B/W) : Up to 70 ppm Automatic Duplexing : Yes Media Sizes : A4 Total Media Capacity : 650 sheets Interface : USB, Gigabit LAN, USB hostSpecification Hi-Speed Certified Port (Type A) Monthly Duty Cycle (max) : up to 300000 pages RAM (Max Supported) : 2.5 GB