HL-L6210DW Business Monochrome Laser Printer is a great choice for busy offices and workgroups with higher print volumes that need fast, high-quality output; automatic two-sided printing; cost-effective printing; large paper capacity; and advanced security features. It helps increase productivity with fast print speeds up to 50 ppm. Use Brother Genuine Ultra High-Yield Replacement Toner Cartridge (not included) for optimal cost efficiency. 520-sheet paper tray is expandable with optional paper trays (not included) to grow with your business. Triple-layer security helps limit access to documents and the device while protecting against network intrusions. Flexible connectivity includes built-in Gigabit Ethernet and dual-band wireless networking. Meet mobile workforce demands by conveniently connecting with your mobile device.