发明公开
EP0858008A3 Process control apparatus of electrophotographic apparatus
失效
Prozesssteuervorrichtung eines elektrophotographischenGerätes
- 专利标题： Process control apparatus of electrophotographic apparatus
- 专利标题（中）： Prozesssteuervorrichtung eines elektrophotographischenGerätes
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申请号： EP98107036.0申请日： 1994-01-04
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公开(公告)号： EP0858008A3公开(公告)日： 2000-04-26
- 发明人: Tokuyama, Mitsuru , Ino, Toshiaki , Itoyama, Motoyuki , Ohashi, Kunio , Nishiyama, Haruo
- 申请人： SHARP KABUSHIKI KAISHA
- 申请人地址： 22-22 Nagaike-cho, Abeno-ku Osaka-shi, Osaka-fu 545-0013 JP
- 专利权人： SHARP KABUSHIKI KAISHA
- 当前专利权人： SHARP KABUSHIKI KAISHA
- 当前专利权人地址： 22-22 Nagaike-cho, Abeno-ku Osaka-shi, Osaka-fu 545-0013 JP
- 代理机构： Müller, Frithjof E., Dipl.-Ing.
- 优先权： JP138493 19930107
- 主分类号： G03G15/00
- IPC分类号： G03G15/00
摘要：
The present invention relates to a process control apparatus of electrophotographic apparatus comprising: density detecting means (16) for optically detecting density of a reference toner image on a photoreceptor (1); residual electric potential erase means (13) for erasing a residual electric potential on said photoreceptor (1); temperature detecting means (33) for detecting a temperature inside said electrophotographic apparatus; and means (19) for controlling said density detecting means (16) and residual electric potential erase means (13) so that the density of the reference toner image is detected after erasing the residual electric potential on said photoreceptor (1) when the detected temperature is not higher than a predetermined temperature. In this way, the density of the reference toner image is accurately detected and a picture quality correction is carried out in accordance with the detected result.
公开/授权文献
- EP0858008B1 Process control apparatus of electrophotographic apparatus 公开/授权日：2003-07-09
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