Invention Grant
- Patent Title: Image forming apparatus
- Patent Title (中): 图像形成装置
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Application No.: US12556062Application Date: 2009-09-09
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Publication No.: US08068757B2Publication Date: 2011-11-29
- Inventor: Shinji Hashiguchi
- Applicant: Shinji Hashiguchi
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2008-244274 20080924; JP2009-182097 20090805
- Main IPC: G03G15/20
- IPC: G03G15/20

Abstract:
In an image forming apparatus including a fixing portion in which a fixing nip portion is defined between a heater and a pressure roller via an endless belt, a pressure setting portion, which sets a pressure to be exerted on the fixing nip portion, sets a first pressure during fixing, sets a second pressure lower than the first pressure when the apparatus is not used, and sets a third pressure lower than the first pressure and higher than the second pressure when a recording material is jammed.
Public/Granted literature
- US20100074661A1 IMAGE FORMING APPARATUS Public/Granted day:2010-03-25
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