World’s most secure printing: Print consistently high-quality, 2-sided documents with the Laser Enterprise M611dn, a monochrome duplex laser printer designed to combine performance, energy efficiency, and security Self-repair from hacks: This monochrome printer regularly checks its operating code at start-up and repairs itself from attempted hacks Centralize printing control: Help build business efficiency by easily adding new devices and third-party solutions, updating features, and applying corporate policies High-speed performance: Keep your business moving and productive with a 650-sheet total input tray capacity, a 4.3" color touchscreen, first page out as fast as 5.1 seconds, and print speeds of up to 65 ppm Energy-efficient: This black and white laser printer uses low amounts of energy thanks to its innovative design and toner technology 2-sided prints at the speed of 1: Speed through tasks and save paper by printing two-sided documents nearly as fast as single-sided FCC Class A emissions device for use in commercial environments, not residential environments. This Laser Pro Printer combines exceptional performance and energy efficiency with professional-quality documents right when you need them—all while protecting your network from attacks with the industry’s deepest security. Workteams excel with black-and-white office Laser Pro Printers, which pack extra punch with high-quality results, extra power, and more features.