Specifications According to the HP support website, the printer comes with the following specifications: Speed and Performance: Print speed up to 52 pages per minute (Letter) and 50 pages per minute (A4). First Page Out Time: Very fast, taking only about 8.5 seconds from ready mode. Print Resolution: Up to 1200 × 1200 dpi thanks to HP ProRes 1200 and HP FastRes 1200 technologies. Processor and Memory: Equipped with an 800 MHz processor and 512 MB of virtual memory (expandable up to 1 GB). Control Panel: 4-line color LCD screen with a 10-button numeric keypad. HP HP +6 Paper and Toner Handling Paper Capacity: Comes standard with a 100-sheet multipurpose tray and a 500-sheet input tray (600 sheets total), with expandability up to 3,600 sheets. Duplex Printing: Available standard on M602dn and M602x models, and optional on the M602n model. Toner Cartridge Types: Supports standard toner cartridges (print approximately 10,000 pages) and high-yield cartridges (print approximately 24,000 pages). Laser Express, Inc. Laser Express, Inc. +4 Connectivity and Smart Solutions Ports: Features a Hi-Speed USB 2.0 port, a Gigabit Ethernet port for networking, and a front USB port for direct printing from flash drives. Mobile Printing: Supports HP ePrint, Apple AirPrint, and Mopria technologies for wireless printing via smartphone apps. Environmental Features: Supports HP Auto-On/Auto-Off technology for energy saving by automatically turning the printer on and off.