This gear is compatible with DCP-L2500, DCP-L2520, DCP-L2540, DCP-7080, DCP-7180, MFC-L2700, MFC-L2720, MFC-L2740, MFC-7380, MFC-7480, DCP-L2560, DCP-L2680, DCP-L2685, MFC-7880, and DCP-L2320 printers.The part number is LY9029001.This component features 40 teeth and is designed to restore printer function.It serves as a direct replacement for the specified gear in the listed models.