Technology : Laser Color Max Resolution (B/W) : 1200 dpi Max Resolution (Color) : 1200 dpi Print Speed (B/W) : 30 ppm Print Speed (Color) : 30 ppm Automatic Duplexing : Yes Media Sizes : A4, Legal, A5, Letter, Executive, Universal, Folio, Oficio, JIS-B5 Total Media Capacity : 250 sheets Interface : Gigabit Ethernet (10/100/1000), Front USB 2.0 Specification Hi-Speed Certified port (Type A), Rear USB 2.0 Hi-Speed certified port (type A), USB 2.0 Specification Hi-Speed Certified (Type B) Monthly Duty Cycle (max) : 85000 pages RAM (Max Supported) : 1024 MB (3072 MB)