发明名称 Image forming apparatus and charging device thereof
摘要 An electrophotographic image forming apparatus using a charge roller for uniformly charging the surface of a photoconductive element, or image carrier, during image formation, and a charging device having the charge roller. The charging efficiency is enhanced, and a uniform charge distribution is set up by the application of a DC voltage only. This suppresses the increase in the cost of an apparatus, the increase in power source cost, and the generation of a great amount of ozone. As a result, a charging member and a photoconductive element are prevented from being deteriorated while environmental pollution is eliminated.
申请公布号 US5479243(A) 申请公布日期 1995.12.26
申请号 US19940210446 申请日期 1994.03.21
申请人 RICOH COMPANY, LTD. 发明人 KUROKAWA, JUNJI;NOJIMA, KAZUO;CHIBA, MASAKO;NAKAHARA, TOSHIO
分类号 G03G15/00;F16C13/00;G03G15/02;G03G15/06;G03G15/16;(IPC1-7):G03G15/00 主分类号 G03G15/00
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