HP LASERJET ENTERPRISE M612DN Key Specifications: Print Speed: Up to 71 ppm (A4, black). Processor: 1.2 GHz. Memory: 512 MB. Print Resolution: Up to 1200 x 1200 dpi. Connectivity: Gigabit Ethernet, USB (2 Hi-Speed USB 2.0 Device, 2 Hi-Speed USB 2.0 Host). Duplex Printing: Automatic (standard). Control Panel: 4.3-inch color touchscreen. Paper Handling: 100-sheet multipurpose tray, 550-sheet input tray, 500-sheet output bin. • Duty Cycle: Up to 300,000 pages per month.