发明名称 |
Image transfer device for an image forming apparatus |
摘要 |
An image transfer device for a copier, printer, facsimile apparatus or similar image forming apparatus. A transfer belt is rotated and applied with a charge from a first electrode in contact with the transfer belt to transfer a toner image from an image carrier to a transfer medium carried on the transfer belt or to the transfer belt itself. A second electrode contacts the transfer belt. A variable resistance element is connected between the second electrode and ground. A controller produces a ratio of a current applied from the first electrode to the transfer belt and a current from the transfer belt to the second electrode and controls a resistance of the variable resistance element such that the ratio has a predetermined value. Additionally, the resistance of the transfer belt to the variable resistance element is one of 1:1-100, 10:1-100 and 100:1-100.
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申请公布号 |
US5495317(A) |
申请公布日期 |
1996.02.27 |
申请号 |
US19950373893 |
申请日期 |
1995.01.17 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
MATSUDA, ITARU;TAKANO, SATOSHI;HARASAWA, YUKO |
分类号 |
G03G15/16;(IPC1-7):G03G21/00 |
主分类号 |
G03G15/16 |
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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