This business monochrome wireless laser printer is designed for workgroups with higher print volumes. It features low cost per page, due to a super high-yield 12,000-page replacement toner cartridge (approx. yield based on ISO/IEC 19752). It also prints up to 48ppm, at up to 1200 x 1200 dpi resolution. Advanced security features helps restrict unauthorized printing and protect sensitive documents. The printer has a 520-sheet capacity paper tray, with 50-sheet capacity multi-purpose tray for envelopes and alternative media types. Paper capacity is expandable to 1,610 sheets with optional add-on trays. Automatic duplex printing helps save paper. Enjoy easy sharing via Gigabit Ethernet or wireless network. Print from mobile devices over a wireless network. Backlit LCD display provides easy menu navigation.