Patent ID: 6868245
Filing Date: 2005-03-15
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a developing-device assembly having a plurality of developing devices and switching the plurality of developing devices by rotating one of the plurality of developing devices to a development position that faces a photosensitive member; a developing roller provided on each of the plurality of developing devices and supplying toner to the photosensitive member at the development position; a roller drive gear attached to each of the developing rollers; a transmission gear meshing with the roller drive gear attached to the developing roller of one of the plurality of developing devices that is located at the development position; a roller drive motor that transmits mechanical power to the transmission gear via a power transmission path; a take-in gear disposed coaxial with a rotational center of the developing-device assembly and meshed with the transmission gear; and a generator housed in the developing-device assembly and having a gear meshing with the take-in gear.