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1. 发明授权

US06567620B2 Image forming apparatus with variable gap size based on recording media supply level 有权
标题翻译：基于记录介质供应水平的具有可变间隙尺寸的图像形成装置
公开(公告)号：US06567620B2
公开(公告)日：2003-05-20
申请号：US09965301
申请日：2001-09-27
申请人： William Frank Brown, Jr. , Daniel Paul Cahill , Benjamin Charles DeVore , Rodney Lee Jensen
发明人： William Frank Brown, Jr. , Daniel Paul Cahill , Benjamin Charles DeVore , Rodney Lee Jensen
IPC分类号： G03G1500
CPC分类号： G03G15/50 , G03G2215/00603 , G03G2215/00729
摘要： Toner is conserved in an image forming apparatus, such as an electrophotographic printer (e.g., laser printer), by varying the interpage gap when approaching an exhaustion of the recording media supply (“paper out”). A supply level sensor is used to determine whether the supply of discrete recording media (e.g., paper sheets) is above or below a predetermined level. A smaller value interpage gap is used when the supply level is above the predetermined level. The interpage gap is automatically lengthened to a second larger value when the sensed media supply level drops below the predetermined level. The longer second interpage gap allows for “paper out condition” that may result from printing of sheet N−1 to be determined prior to image formation beginning for sheet N. The interpage gap may be reset to the smaller value when the supply has been refilled to above the pre-determined level.
摘要翻译：调色剂在图像形成装置（例如电子照相打印机（例如，激光打印机））中通过在接近记录介质供应（“出纸”）的耗尽时改变间隙来保存。供给液位传感器用于确定离散记录介质（例如纸张）的供给是否高于或低于预定水平。当电源电平高于预定电平时，使用较小值的间隙。当感测到的介质供应水平降低到预定水平以下时，间隔间隙自动延长到第二较大值。较长的第二间距间隙允许可能由在片材N的图像形成开始之前确定的片材N-1的打印产生的“纸张输出条件”。当供应被重新填充时，间隙可以被重置为较小的值高于预定水平。

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