Technology : Laser Max Resolution (B/W) : 1200 dpi Print Speed (B/W) : 32 pages per minute Automatic Duplexing : Yes Media Sizes : A4, A5, Executive, Folio, JIS-B5, Legal, Letter, Universal, Oficio Total Media Capacity : N/A Interface : 2 USB 2.0 Type A, RJ-45 Monthly Duty Cycle (max) : 85000 pages RAM (Max Supported) : 512MB/2560 MB