The Brother HL-6180DW Workgroup Wireless Printer is the ultimate high volume monochrome laser printer solution for medium sized businesses and small workgroups. It features reliable, high-speed printing at up to 42 ppm and automatic duplex printing for producing professional two-sided documents and booklets. The HL-6180DW provides a large 550-sheet paper capacity for fewer refills, and offers low cost output via a super high-yield 12, 000-page replacement toner cartridge.