Lexmark E250dn Auto Duplex Network-Ready Laser Printer By printing on both sides of the page, you can drive costs down and reduce paper consumption. With up to 30 ppm and just 7.5 seconds to first page, you'll save precious time. An included dust cover keeps your printer clean, preventing debris from affecting your prints. Save considerable funds by taking advantage of automatic duplex printing. USB connectivity allows you to plug and print.