Technology : Laser Type : Print, Scan, Copy, Fax Max Printing Resolution (B/W) : 1200 x 1200 dpi Max Printing Speed (B/W) : 47 ppm Max Copying Resolution (mono): 600 x 600 dpi Max Copying Speed (mono) : 47 ppm Maximum Copies : 9999 Automatic Duplexing : Yes Media Sizes : A4, A5, A6, B5 (ISO), B5 (JIS), Oficio, Envelope (DL, C5, C6) Total Media Capacity : 500 Sheets Interface : LAN, USB Monthly Duty Cycle (max) : Up to 200,000 pages RAM (Max Supported) : 4 GB Hard Drisk Drive : Standard, 320 GB HDD, User available space: 279 GB