| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet post-processing device capable of certainly delivering a sheet placed singly or in a bundle on a temporary tray to an accumulation tray on the downstream side even when it is thin paper easy to curl or coated paper the surface of which is slippery and capable of miniaturizing and lightening a carrier mechanism for it, especially a driving part such as a driving motor, etc. SOLUTION: It is possible to miniaturize respective driving sources for a roller and a belt as there is no transfer to the roller by ejecting a sheet bundle from the temporary tray by a sheet extruding claw provided on the belt suspended between pulleys arranged with a smaller interval than the sheet stored on the temporary tray and a pressure roller separately provided on the pulley on the accumulation tray side and as movement and ejection of the sheet bundle is carried out by both of extruding and drawing without increasing roller nipping force. It is possible to directly eject a single piece of the sheet to the accumulation tray as roller ejection is possible and to secure it with thick paper bundle claw ejection. COPYRIGHT: (C)2006,JPO&NCIPI
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