This product includes 10 pieces of ADF hinge 302NM18021, compatible with the following models: M3040, M3145, M3540, M3550, M3560, M3645, M3655, M3660, M6030, M6035, M6230, M6235, M6530, M6535, and M6630.Designed as a direct replacement for automatic document feeder (ADF) systems, this hinge helps restore proper functionality to worn or damaged units.Constructed for dependable performance under standard operating conditions.