发明名称 Image forming method and image forming apparatus using the same
摘要 An electrophotographic image forming apparatus operable in a monochrome mode and color mode wherein toner images are sequentially formed on an image carrier by toner of a plurality of colors. The toner images of different colors are sequentially transferred to a single transfer member one above the other to complete a color image. In the color mode when toner of two or more colors are to be transferred to the transfer member one above the other, at least one of the color images on the image carrier is discharged before the transfer to the transfer member. In the monochrome mode the image is not discharged before transfer.
申请公布号 US5987290(A) 申请公布日期 1999.11.16
申请号 US19990228624 申请日期 1999.01.12
申请人 RICOH COMPANY, LTD. 发明人 BISAIJI, TAKASHI
分类号 G03G15/01;G03G15/16;(IPC1-7):G03G15/16 主分类号 G03G15/01
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