Technology : Laser Max Resolution: Up to 1,200 x 1,200 dpi Print Speed : : Up to 58 ppm Automatic Duplexing : Yes Media Sizes : Multipurpose tray 1: A4, A5, A6, B5 (JIS), B6 (JIS), 16K, Dpostcard (JIS), executive (JIS), RA4, 10 x 15 cm, envelope (DL ISO, C5 ISO, C6 ISO, B5 ISO) Total Media Capacity : Up to 1500-sheet Interface : Hi-Speed USB 2.0 ports (Host and Device), built-in Gigabit Ethernet 10/100/1000T network port, Hardware Integration Pocket (HIP) Monthly Duty Cycle (max) : Up to 225,000 pages RAM: 512 MB standard