| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming system provided with a post-treatment device capable of easily handling an output bundle in which output paper sheets are collected as a bundle without directly damaging the output paper sheets by a staple and pasting. SOLUTION: The image forming system provided with the post-treatment device is provided with an image formation means for performing image formation on the sheet based on image data; a coordination means for collecting the sheets formed with the image as the bundle; a half folding means for folding the sheet to an approximately half; a sheet bundle thickness detection means for detecting thickness of the sheet bundle collected by the coordination means; a holder sheet preparation means for staying one side adjacent to a folded side of the sheet folded by the half folding means to prepare a holder sheet; a wrapping means for wrapping the sheet bundle by sheet of second size having at least one side having longer length than the sheet bundle; a control means for controlling the wrapping means according to the thickness of the sheet bundle detected by the sheet bundle thickness detection means; and a control means for controlling the sheet bundle collected by the coordination means so as to wrap it by the holder sheet. COPYRIGHT: (C)2007,JPO&INPIT
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