Printing Resolution : Up to 1,200 x 1,200 dpi - Printing speed : Up to 40 ppm (default) Up to 42 ppm (HP High Speed) - First Page Out : As fast as 6.3 sec - Processor speed : 1200 MHz - Input capacity : 100 sheet tray 1 250 sheet tray 2 - Output capacity : Up to 150 sheets - Recomended mounthly duty cycle : 900 to 4,800 pages - Maximum monthly duty cycle : Up to 100,000 pages - Memory std. 1GB - Processor speed 800MHz - Display : 2.658"" diagonal Color TFT-LCD back-lit - Duplex automatic - Interfaces : 1 Hi-Speed USB 2.0 Host; 1 Hi-Speed USB 2.0 Device; 1 Gigabit Ethernet 10/100/1000T network - Toneri : HP 58A Black Original LaserJet Toner Cartridge (~3,000 pages) CF258A / HP 58X High Yield Black Original LaserJet Toner Cartridge (~10,000 pages) CF258X