发明名称 PAPER FEEDER AND IMAGE FORMING APPARATUS
摘要 When a recording medium is not detected even after an elapse of a predetermined period of time since a paper feeding unit fed the recording medium, the paper feeding unit is operated, to execute an assisting operation for assisting conveying of the recording medium.
申请公布号 US2010244353(A1) 申请公布日期 2010.09.30
申请号 US20100729644 申请日期 2010.03.23
申请人 CANON KABUSHIKI KAISHA 发明人 KAIDA YOSHITERU
分类号 B65H7/02 主分类号 B65H7/02
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