HP Laserjet Enterprise 600 M601dn, (CE990A) Heavy-duty reliability and breakthrough speed. Print at rapid speeds on a variety of paper types. Manage workflow with intuitive features right on the printer, and get quick prints from a flash drive. Produce high print volumes with low maintenance. Secure printing with minimal intervention. Take control of printing practices and enforce security policies, using HP Access Control. Control costs, manage IT resources, and reduce environmental impact. Expand your network without compromising security. Outstanding energy and paper savings. Cut energy use as much as 45%, compared to a majority of competing laser printers. Get centralized access to custom energy-saving options and printer settings with the HP EcoSMART Console. Trim paper use by up to 50% with automatic two-sided printing. Extend capabilities and print from mobile devices. Easily update, manage, and expand the capabilities of networked printers, and do more with your investment. Make printing as mobile as you are with HP ePrint. One-year limited hardware warranty; 24-hour, 7 days a week Web support