Monochrome laser printer offers fast print speeds up to 48 pages per minute at 1200 x 1200 dpi for workgroups with higher print volumes. Backlit LCD makes navigating through the menu options fast & simple. Advanced security features help restrict unauthorized printing & protect your sensitive documents. Dual, 520-sheet input tray with 50-sheet multipurpose tray let you easily print envelopes & alternative media types. Automatic duplex printing allows you to quickly print two-sided documents to reduce paper consumption. Built-in wireless & Ethernet network interfaces enable you to share this printer with multiple users on your network.