发明名称 Duplex document printer mechanism
摘要 A printing apparatus and a method suitable for printing on two sides of medium, such as paper by using an intermediate transfer surface. The device consists of a print head, an intermediate transfer surface and a medium path such that as the medium is transported along the medium path the print head prints a first image on the transfer surface, then sequentially prints a second image to one face of medium while the transfer surface is transferring the first image to the other face of a medium by pressing the transfer surface against the medium. A method for printing is also disclosed comprising of the steps of printing a first image on a transfer surface, printing a second image directly onto one face of the medium, then transferring the first image onto the other face of the medium.
申请公布号 US6341860(B1) 申请公布日期 2002.01.29
申请号 US19990260842 申请日期 1999.03.02
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 HARRIS RICHARD HUNTER
分类号 B41J3/60;(IPC1-7):B41J2/01 主分类号 B41J3/60
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