This ADF hinge assembly is compatible with PRO400, M401, M425, M476, M521, M525, and M570 printer models.It includes the following part numbers: CF288-60027, CF288-60030, A8P79-60011, A8P79-60014, and CZ271-60020.Designed as a direct-fit replacement, this hinge helps restore proper function to the automatic document feeder without requiring modifications.