Technology : Laser Max Resolution (B/W) : 1200 x 1200 dpi Print Speed (B/W) : 50 ppm Automatic Duplexing : Yes Media Sizes : Letter A, Legal, Executive, A4, A5, A6, Folio, JIS B5, Statement, Oficio Total Media Capacity : 650 sheets Interface : 2 x USB 2.0 (Type A),1 x USB 2.0 (Type B), Gigabit LAN Monthly Duty Cycle (max) : up to 16000 pages RAM (Max Supported) : 2560 MB