HP P2055DN Mono LaserJet Printer - Features: - Print speed: Up to 35 ppm, letter - Print resolution: Up to 1200 by 1200 dpi; HP FastRes 1200; HP ProRes 1200 - Processor: 600 MHz - Memory: 128 MB (expandable up to 384 MB via 1 open 144-pin DIMM slot) - Paper: 50-sheet multipurpose tray 1, 250-sheet tray 2 - Connectivity: One Hi-Speed USB 2.0 port, built-in HP Jetdirect Gigabit Ethernet networking - 220-240V