Lexmark MFP Mono Laser Printer MX331adn - Built with the essential features small workgroups need, the MX331adn multifunction supports output up to 40  pages per minute, plus single-side automatic scanning, copying and faxing. Light and compact, it fits almost anywhere and lets you connect via USB or Ethernet to give your whole team access. The 2.8-inch (7.2 cm) color touch screen includes built-in cloud connectivity to enhance workflow. Standard two-sided printing saves paper, while Lexmark full-spectrum security helps protect your network and proprietary information. Add an optional 550-sheet paper tray or available High Yield Unison toner offering up to 15,000 pages of output for longer print runs and greater media flexibility. Print Resolution (Default) 600x600; Print Resolution (Max) 2400 Image Quality.