Duplex Drive Gear replacement part compatible with HL-2320, HL-2340, HL-2360, HL-2260, HL-2680, DCP-2520, DCP-2540, DCP-2560, DCP-7080, MFC-2700, MFC-2740, MFC-7180, MFC-7380, MFC-7480, and MFC-7880 printers.This gear is designed to restore duplex printing functionality.Each unit is pre-tested prior to shipment to verify mechanical.Part number: NI-KDS.Brand: KDS.