发明名称 |
Image transferring device and medium separating device for an image forming apparatus |
摘要 |
An image forming apparatus includes a photoconductive element and a transfer belt, with an electrode or bias applicator located downstream from a nip formed between the photoconductive element and the transfer belt. Upstream from the nip, a roller is provided which can also act as an electrode, or which can be held in an electrically floating state. A bias voltage can also be provided to the roller upstream from the nip, with the voltage equal to or less than the voltage applied to the downstream electrode. In addition, the applied voltages can be varied based upon the position of a sheet of paper, or in response to changes in humidity.
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申请公布号 |
US5461461(A) |
申请公布日期 |
1995.10.24 |
申请号 |
US19930044032 |
申请日期 |
1993.04.08 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
HARASAWA, YUKO;MATSUDA, ITARU;TAKANO, SATOSHI;YU, HIDEO;KAWAISHI, YASUNORI;KAMIYAMA, HIDEKI;MOTOHASHI, TOSHIAKI;TAKAHASHI, MITSURU;BISAIJI, TAKASHI |
分类号 |
G03G15/00;G03G15/16;(IPC1-7):G03G21/00 |
主分类号 |
G03G15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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