Built with the essential features for small workgroup needs, the MX331adn multifunction printer supports output up to 40 pages per minute, plus single-sided 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 (7.2cm) color touch screen includes built-in cloud connectivity to enhance workflow. Standard two-sided printing saves paper, while the 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 15000 pages of output for longer print runs and greater media flexibility..38 ppm in black/white with a monthly duty cycle of 50000 pages.600 x 600 dpi optical resolution for good-quality printed text and images.Easily manage tasks with the 2.8" touch screen.1-year manufacturer limited warranty.Network-ready: wired LAN (Fast Ethernet) and USB 2.0 connectivity.RAM memory: 512MB printer memory provides convenient, reliable printing of your most important documents.Laser printing with up to 600 x 600 dpi resolution ensures detailed, high-quality prints.Automatic two-sided printing and copying and an auto feeder with a 50-sheet capacity help save paper.Dimensions: 13.3"H x 16.2"W x 14.4"D.All-in-one printer gives you printing, copying, and scanning capabilities.Types of media supported include envelopes, plain paper, labels, and card stock.Meets or exceeds FCC Class B, C-Tick, NOM, ICES-003 Class B, CCC, DOC, SII, UL 60950-1, IEC 60950-1, EN 60950-1, BSMI Class B, KCC, EPEAT Silver standards