ADF hinge assembly compatible with - including SCX 3400, 3406, 4600, 4655, 4700, 4729, 4833, 4835 and 3170, 3175, 3185, 3305, 4175, 6260.This part corresponds to reference numbers JC97-03190A and JC97-03191A.Designed to restore automatic document feeder functionality by replacing worn or broken hinge components.Installation allows the ADF mechanism to operate as intended per factory specifications.