This ADF hinge is compatible with FS 1028, 1128, 1030, 1035, 1130, 1135, 3040, 3140, 3540, 3640, MFP M2030, M2035, M2530, and M2535 models.The part numbers 303LJ02030 and 303LJ02040 correspond to this replacement component.It is designed to restore the functionality of the automatic document feeder hinge mechanism.This item serves as a direct replacement for worn or damaged hinges to ensure proper of the document feeding system.