Patent ID: 6999700
Filing Date: 2006-02-14
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image carrier configured to retain electrostatic latent images on its surface; a rotatable developer including a revolver configured to hold a plurality of developing devices; a motor configured to rotate the developer in an image forming direction and to move a selected developing device of the plurality of developing devices to a developing position opposed to the image carrier; and a stopper configured to be movable between an unstopping position and a stopping position, wherein, when the stopper is in the stopping position, the stopper engages with a projection on the revolver and prevents rotation of the revolver both in the image forming direction and in a direction opposite the image forming direction, and wherein, when the stopper is in the stopping position, the revolver is stopped such that at least one of the developing devices is at an exchanging position for being exchanged.