| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet processing device capable of preventing the disalignment of sheets stacked and aligned on an intermediate stacking part in advance, by a sheet to be stacked on the intermediate stacking part in processing the sheets, and to provide an image forming device comprising the sheet processing device. SOLUTION: When the sheets are stacked on the intermediate stacking part, the sheets Sa aligned and stacked on the intermediate stacking part in advance, are pressed by a disalignment preventing means 400, when the sheets are stacked on the intermediate stacking part, whereby the disalignment of the sheets Sa can be prevented. Further as a sheet pressing position of the disalignment preventing means 400 is located outside a sheet delivering passage for stacking the sheet Sb on the intermediate stacking part, the sheets Sa can be pressed by the disalignment preventing means 400 even when the sheet Sb is stacked.
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