Patent ID: 7551882
Filing Date: 2009-06-23
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: an image bearing member; a latent electrostatic image forming unit configured to form a latent electrostatic image on the image bearing member; a developing unit configured to develop the latent electrostatic image by using toner to form a toner image; an intermediate transferring unit configured to have an intermediate transfer belt and a plurality of rollers supporting the intermediate transfer belt and to transfer the toner image from the bearing member onto the intermediate transfer belt; and a transfer fixing unit comprising a first roller, which is one of the plurality of rollers supporting the intermediate transferring belt, is opposite to a second roller, which is one of the plurality of rollers configured to support the transfer fixing belt, and the first roller and the second roller form a transfer nip between the intermediate transferring belt and the transfer fixing belt, the toner image on the transfer fixing belt is transferred and fixed simultaneously to a recording medium which passes through the transfer fixing nip to record an image on the recording medium, and the diameter of the first roller is smaller than the diameter of the second roller.