Invention Grant
- Patent Title: Color image forming apparatus
- Patent Title (中): 彩色图像形成装置
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Application No.: US13414188Application Date: 2012-03-07
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Publication No.: US08831444B2Publication Date: 2014-09-09
- Inventor: Masaru Shimura , Hideo Nanataki , Shinsuke Kobayashi , Shinji Katagiri , Yasunari Watanabe , Hideaki Hasegawa , Kiyoto Toyoizumi , Kouji Yasukawa
- Applicant: Masaru Shimura , Hideo Nanataki , Shinsuke Kobayashi , Shinji Katagiri , Yasunari Watanabe , Hideaki Hasegawa , Kiyoto Toyoizumi , Kouji Yasukawa
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc IP Division
- Priority: JP2011-054472 20110311
- Main IPC: G03G15/01
- IPC: G03G15/01 ; G03G15/00 ; G03G15/043
Abstract:
In a color image forming apparatus, the amount of light of an exposure unit for a weak exposure is changed according to a remaining service life of a photosensitive drum when the weak exposure is performed for the background area of a corresponding photosensitive drum by using the exposure unit.
Public/Granted literature
- US20120230705A1 COLOR IMAGE FORMING APPARATUS Public/Granted day:2012-09-13
Information query
