发明申请
- 专利标题： IMAGE FORMING APPARATUS, METHOD OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT, AND PROGRAM OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT
- 专利标题（中）： 图像形成装置，确定发展代理的确定程度的方法和开发代理的确定程度的程序
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申请号： US12404503申请日： 2009-03-16
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公开(公告)号： US20090232525A1公开(公告)日： 2009-09-17
- 发明人: Takao Izumi , Minoru Yoshida , Hiroshi Murata , Takeshi Hatakeyama
- 申请人： Takao Izumi , Minoru Yoshida , Hiroshi Murata , Takeshi Hatakeyama
- 申请人地址： JP Tokyo JP Tokyo
- 专利权人： KABUSHIKI KAISHA TOSHIBA,TOSHIBA TEC KABUSHIKI KAISHA
- 当前专利权人： KABUSHIKI KAISHA TOSHIBA,TOSHIBA TEC KABUSHIKI KAISHA
- 当前专利权人地址： JP Tokyo JP Tokyo
- 主分类号： G03G15/08
- IPC分类号： G03G15/08
摘要：
The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device.An image forming apparatus according to the present invention includes a stirring information obtaining section configured to obtain information of a stirring time of the development agent in the development device, a supply information obtaining section configured to obtain information of an amount of the carrier supplied into the development device, and a deterioration degree determining section configured to determine a deterioration degree of the development agent in the development device on the basis of the information obtained by the stirring information obtaining section and the supply information obtaining section.
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