Lexmark Mx510de is a handy Laser All-In-One Printer delivering crisp and detailed black & white images and files. The 45 ppm printing speed provided by this model makes it easy to complete any printing jobs with efficiency. It is capable to network with various devices through a USB 2.0 connection. In addition, this versatile printer has the ability to work as copier, fax machine, scanner offering its users even more beneficial functions.