This gear bushing is compatible with printer models including SCX 4200, SCX 4300, SCX 4116, SCX 4016, ML 1610, ML 2010, ML 1710, ML 1640, and ML 2015.The part corresponds to reference numbers JC66-00564A, JC61-00589A, JC61-00590A, and 007N01205.This component serves as a direct replacement to restore mechanical function in the specified devices.