Offering print speed up to 52 ppm, Workhorse Series HL-L6400DW Laser Printer and MFC-L6900DW All-in-One are suited for high-volume print and scan business customers. MFC-L6900DW offers monochrome scan speed up to 50 images/min and single-pass, 2-sided monochrome scanning up to 100 images/min. Super-high-yield toner cartridge can print approximately 12,000 pages. For security, printers have integrated NFC card reader that requires walk-up authorization to release print jobs using NFC card/badge.