1tray 550-Sheet tray Replaces Lexmark MX611DE/ MX611DTE 50 ppm, 1200x1200 dpi USB, Ethernet, Integrated Duplex e-Task Color Touch Screen 7-inch Flatbed scanner w/RADF (reversing duplex) Printing, Faxing, Copying, Color Scanning, Wireless option Fax: ITU T.30, V.34 Half-Duplex, 33.6Kbps Quad Core, 1200MHz, 2048MB Memory Monthly Duty Cycle: Up to 175000 pages per month 6,000 pages Starter Return Program Toner Cartridge Compatible Toner Cartridges: 56F1000, 56F1H00, 56F1X00, 56F1U00