发明申请
- 专利标题: IMAGE FORMING APPARATUS EQUIPPING IMPROVED TRANSFER FIXING APPARATUS
- 专利标题(中): 图像形成装置改进的传送固定装置
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申请号: US11757150申请日: 2007-06-01
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公开(公告)号: US20080008505A1公开(公告)日: 2008-01-10
- 发明人: Takashi SETO , Takashi Fujita , Katsuaki Miyawaki , Shin Kayahara , Atsushi Nakafuji , Kazumi Suzuki , Hirohmi Tamura , Hiromitsu Takagaki
- 申请人: Takashi SETO , Takashi Fujita , Katsuaki Miyawaki , Shin Kayahara , Atsushi Nakafuji , Kazumi Suzuki , Hirohmi Tamura , Hiromitsu Takagaki
- 优先权: JP2006-153438 20060601
- 主分类号: G03G15/16
- IPC分类号: G03G15/16 ; G03G15/20
摘要:
An image forming apparatus includes an image bearing member, a latent electrostatic image forming unit, a developing unit, an intermediate transferring unit which has an intermediate transfer belt and a plurality of rollers supporting the intermediate transfer belt, and a transfer fixing unit. The transfer fixing unit has a transfer fixing belt, a plurality of rollers supporting the transfer fixing belt, a heating member, and a pressurizing member forming a transfer fixing nip with the transfer fixing belt. 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 supporting the fixing transfer belt. The first roller and the second roller form a transfer nip between the intermediate transferring belt and the fixing transfer belt. The diameter of the first roller is smaller than the diameter of the second roller.