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2. 发明授权

US5966564A Image forming apparatus and method with cleaning features 失效
标题翻译：具有清洁功能的图像形成装置和方法
公开(公告)号：US5966564A
公开(公告)日：1999-10-12
申请号：US31657
申请日：1998-02-27
申请人： Osamu Kizaki , Fumihito Ito
发明人： Osamu Kizaki , Fumihito Ito
IPC分类号： G03G15/16
CPC分类号： G03G15/168 , G03G2215/1661
摘要： An image forming apparatus and method are provided that effectively remove inversely charged toner and normally charged toner attached to a transfer medium by employing two cleaning modes of operation. In a first cleaning operational mode, in which a transfer belt is brought into contact with a non-charged photosensitive body and a transfer bias is applied thereto from a bias roller, the inversely charged toner attached to the transfer belt is fully transferred onto the photosensitive body. Furthermore, in a second cleaning mode of operation, the transfer belt is brought into contact with the non-charged photosensitive body and the transfer bias is not applied hereto, as a consequence the normally charged toner attached to the transfer belt is fully transferred onto the photosensitive body.
摘要翻译：提供了一种图像形成装置和方法，其通过采用两种清洁操作模式来有效地去除附带在转印介质上的带负电荷的调色剂和通常带电的调色剂。在第一清洁操作模式中，其中转印带与未充电的感光体接触并且从偏压辊向其施加转印偏压，附着在转印带上的带负电的调色剂完全转印到感光体上身体。此外，在第二清洁操作模式中，转印带与未充电的感光体接触，并且不施加转印偏压，结果，附着到转印带上的正常带电的调色剂完全转印到感光体。

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