High-volume laser printer with dual paper trays offers reliable, high-speed printing at up to 42 pages per minute and automatic duplex printing for professional two-sided documents and booklets. Up to 1200 x 1200 dpi resolution delivers crisp, clear text and excellent graphics. Ideal for medium-size businesses. The HL-6180DWT provides a large 1,050-sheet paper capacity for fewer refills and offers low-cost output via a super high-yield, 12,000-page, replacement toner cartridge. Share the HL-6180DWT with others on your network via its built-in Gigabit Ethernet or wireless 802.11b/g/n interfaces, and wirelessly print from your mobile device via AirPrint, Google Cloud Print, Brother iPrint and Scan, Cortado Workplace and Wi-Fi Direct. You can also connect locally to its Hi-Speed USB 2.0 interface. Advanced security features include secure print, Secure Function Lock, Enterprise Security (802.1x) and more. Printer also features a 12MB memory and 400MHz processor. Energy Star qualified.