DESC: The MFC-7840W offers everything you need in a Monochrome Laser all-in-one for your home office or small sized business. It features an elegant black Color scheme while adding a built-in 802.11b/g wireless Network interface, PCL6 and BR-Script3 print emulations, a faster Fax Modem (33.6K BPS Super G3), 4-day Memory backup and an LCD Backlit display for easy viewing.