WIRELESS HIGH SPEED MONO LASER PRINTER WITH 2-Sided PRINTING FOR HIGH VOLUME USAGE (46 PPM, 520 Sheets Paper Tray, Built-in Network & WiFi) A monochrome printer with great features • Print using built-in wireless, Gigabit Ethernet networking or locally via USB interface. • Prints up to 48 pages per minute at up to 1200 x 1200 dpi resolution. • 520-sheet capacity paper tray adjusts for letter or legal size paper. 50-sheet multi-purpose tray is for envelopes or alternative media types. • Save paper with automatic duplex printing (double-sided). • Advanced security restricts unauthorized printing and protects sensitive documents. • Easy to use control panel with backlit LCD display for easy navigation. • ENERGY STAR certified — meets federal guidelines for energy efficiency