The Lexmark MS431dn Mono Laser Printer delivers fast output speeds of up to 42 pages per minute, ensuring efficient performance in a compact design. With versatile connectivity options such as USB and Gigabit Ethernet, this printer is equipped with a powerful 1-GHz multi-core processor and 256 MB of memory, allowing you to handle large print jobs effortlessly. The printer includes a 100-sheet multipurpose feeder and is compatible with Extra High Yield Unison toners that yield up to 20,000 pages. Additionally, it features an optional 550-sheet tray for extended print runs, enhancing your media handling capabilities. Built with a durable steel frame, the MS431dn ensures long-lasting reliability and incorporates standard two-sided printing for eco-friendly operation. Its lifetime fuser reduces maintenance needs, and Lexmark's full-spectrum security offers protection for your network and sensitive information. The printer supports a default resolution of 600x600 dpi and a maximum of 2400 Image Quality, providing sharp, professional results.