Patent ID: 7085514
Filing Date: 2006-08-01
Classification: G03G

Abstract:
1. A cleaning device for cleaning a second intermediate transfer member, which is used in an image forming apparatus, the image forming apparatus comprising: an image bearing member; a first intermediate transfer member and the second intermediate transfer member whose surfaces are held in contact with each other and caused to make an endless movement while forming a nip therebetween; a transfer device which transfers toner images to both sides of the recording medium by, in a process of transporting a recording medium held by the nip toward a downstream side of the nip with respect to a direction of the endless movement of the surfaces of the first and second intermediate transfer members, transferring a first toner image, which has been transferred in advance from the image bearing member to the second intermediate transfer member by way of the first intermediate transfer member, to a first surface of the recording medium, and transferring, at the same time, a second toner image, which has been transferred in advance from the image bearing member to the first intermediate transfer member, to a second surface of the recording medium; a first cleaning unit operated when transferring a toner image solely to the second surface of the recording medium; and a second cleaning unit operated when transferring toner images to both surfaces of the recording medium.