发明名称 Multicolor image forming method and apparatus using an intermediate transfer belt and apparatus having plural developing units for the same
摘要 In a multicolor image forming apparatus, a first and a second image forming unit are arranged along an intermediate transfer belt and spaced from each other by a predetermined distance. The first image forming unit includes a single photoconductive drum, a developing device for developing a latent image formed on the drum with toner of first color, and a developing device for developing it with toner of second color. The second image forming unit includes a single photoconductive drum, a developing device for developing a latent image formed on the drum with toner of third color, and a developing device for developing it with black toner.
申请公布号 US6332066(B1) 申请公布日期 2001.12.18
申请号 US19970951521 申请日期 1997.10.16
申请人 RICOH COMPANY, LTD. 发明人 YANAGAWA NOBUYUKI
分类号 G03G15/01;(IPC1-7):G03G15/01 主分类号 G03G15/01
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