Technology : Laser Max Resolution (B/W) : 1200 x 1200 dpi Print Speed (B/W) : 55 ppm Automatic Duplexing : Yes Media Sizes : A4, A5, A6, Executive, Folio, JIS B5, Legal, Letter A Size, Oficio, Statement Total Media Capacity : 650 sheets Interface : Gigabit LAN, USB, USB host Monthly Duty Cycle (max) : 250000 pages RAM (Max Supported) : 2.5 GB