Patent ID: 8873981

Claim:
An image forming apparatus, comprising: a rotary development member that carries developer to form a toner image on an image carrier; a cleaning member arranged in contact with the rotary development member, wherein the cleaning member removes the developer left on the rotary development member at a time of main rotation for image formation; a rotary carrying member arranged in contact with the rotary development member, the rotary carrying member carries and feeds the developer to the rotary development member; a regulatory mechanism that separates the cleaning member and the rotary development member from each other; a driving part that rotates at least one of the rotary carrying member and the rotary development member; a controller that controls the driving part and the regulatory mechanism such that the rotary development member performs a preliminary rotation with the cleaning member separated from the rotary development member, before the main rotation, wherein feeding of the developer to the rotary development-member is stopped before the preliminary rotation; and a detector that detects the developer carried on the rotary development member; wherein feeding of the developer to the rotary carrying member is restarted and the developer is fed to the rotary development member after the preliminary rotation before the main rotation; and the regulatory mechanism brings the cleaning member into contact with the rotary development member after the developer carried on the rotary development member is detected by the detector.