Patent ID: 7917066
Filing Date: 2011-03-29
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a first chamber which is capable of accommodating developer; a second chamber which is capable of accommodating developer and forms a circulation passage in communication with the first chamber; a first conveying member which is arranged in the first chamber and conveys developer from one end to the other end of the first chamber; a second conveying member which is arranged in the second chamber and conveys developer from one end to the other end of the second chamber; a developer bearing member which bears developer supplied from the first chamber and conveys the developer to the second chamber via a developing position opposed to an image bearing member; a drive mechanism which drives the developer bearing member, the first conveying member and the second conveying member; and a controller which controls drive of the drive mechanism so that stop timing of drive input for the developer bearing member is to be earlier than stop timing of drive input for the second conveying member when stopping drive of the developer bearing member in accordance with image forming completion.