发明名称 Image forming apparatus using intermediate transfer member
摘要 The present invention provides an image forming apparatus for forming a toner image on a transfer material by using an intermediate transfer member, comprising an image bearing member, a toner image forming means for forming a toner image on the image bearing member, an intermediate transfer member moving along an endless path while contacting with the image bearing member, a measuring means for measuring a color of the intermediate transfer member, a judge means for judging a toner contaminated condition of the intermediate transfer member on the basis of a measured result by the measuring means, and a display means for displaying a judged result by the judge means. With this arrangement, by detecting the contamination of the intermediate transfer member and by displaying the contamination condition, both of deterioration of image quality due to toner contamination of the intermediate transfer member and reduction of a function for automatically setting an image forming condition can be prevented.
申请公布号 US5809365(A) 申请公布日期 1998.09.15
申请号 US19970907047 申请日期 1997.08.06
申请人 CANON KABUSHIKI KAISHA 发明人 YOSHIZAWA, RYUICHI
分类号 B41J2/44;G03G15/00;G03G15/01;G03G15/16;G03G21/00;(IPC1-7):G03G15/00 主分类号 B41J2/44
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