Brother MFC-7840W Laser Multifunction Center Multifunction device prints, copies, scans, and faxes in one compact form factor with built-in wireless networking Prints and copies at 23 pages per minute in monochrome; scans at 19200 x 19200 dpi resolution (600 x 2400 dpi optical) at 48-bit color depth Support for 802.11b/g wireless networking 35-page automatic document feeder makes copying, faxing and scanning multiple pages easy Measures 21.7 x 20.1 x 20.5 inches (WxDxH)