Technology : Monochrome - Laser Max Resolution (B/W) : 1200 dpi Print Speed (B/W) : 50 ppm Automatic Duplexing : Yes Media Sizes : A6, Oficio, Envelope, Envelope, JIS-B5, A4, Legal, A5, Letter, Statement, Executive, Universal, DL Envelope, Folio, 10 Envelope Total Media Capacity : 650 sheets Interface : Gigabit Ethernet (10/100/1000), Front USB 2.0 Specification Hi-Speed Certified port (Type A), Rear USB 2.0 Specification Hi-Speed Certified Port (Type A), USB 2.0 Specification Hi-Speed Certified (Type B), One Internal Card Slot Monthly Duty Cycle (max) : 175000 pages RAM (Max Supported) : N/A