The Lexmark T640dtn Printer, Duplexer and Media Tray Bundle will provide all the versatility, power, and function you need to run a productive office. An extremely powerful 400 MHz processor allows you to get up to 35 pages per minute. The network-ready T640dtn produces 2400 quality dpi output, giving you the results youre looking for in a workgroup laser printer. Lexmarks T640dtn provides a convenient solution to all your office printing needs at an great value. Whats more, the printer comes bundled with a 250 sheet duplexer and 500 sheet media tray. This allows you to complete more projects and a variety of other tasks more quickly, without having to reload as often.