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NON-MAGNETIC ONE-COMPONENT DEVELOPING DEVICE AND NON-MAGNETIC ONE-COMPONENT DEVELOPING METHOD, PROCESS UNIT, AND IMAGE FORMING APPARATUS
NON-MAGNETIC ONE-COMPONENT DEVELOPING DEVICE AND NON-MAGNETIC ONE-COMPONENT DEVELOPING METHOD, PROCESS UNIT, AND IMAGE FORMING APPARATUS
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机译:非磁性一成分的开发装置及非磁性一成分的开发方法,处理单元和图像形成装置
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摘要
PROBLEM TO BE SOLVED: To maintain a constant potential of a toner layer on a developing roller to stabilize an effective value of a supply bias, so as to stabilize the amount of toner moving from a supply roller to the developing roller.;SOLUTION: A developer used in a non-magnetic one-component developing device is conveyed from a supply roller 57 to a developing roller 58. A potential adjusting roller 70 is disposed on the upstream side of a supply nip part N2 to contact the developing roller 58. Bias applying means 72 applies a bias voltage to the developing roller 58, potential adjusting roller 70, and supply roller 57 so that the absolute value of the charge potential increases in this order.;COPYRIGHT: (C)2014,JPO&INPIT
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