Patent ID: 7000912
Filing Date: 2006-02-21
Classification: B42B,B65H

Abstract:
1. A sheet finisher comprising: a conveyance member for conveying a sheet to an ejection direction; a sheet ejection section having paired rollers, for ejecting the conveyed sheet by nipping the sheet by the paired rollers; and a control section for controlling the conveyance member and the sheet ejection section to separate the paired rollers from each other when conveying the sheet, and after a front end portion of the sheet in the ejection direction passes a nipping position of the paired rollers, make the paired rollers press-contact with each other, nip and re-convey the sheet, and eject the sheet out of the finisher, wherein the control section further controls the conveyance member and the sheet ejection section to temporarily release the press-contact of the paired rollers during reconveyance of the sheet, to remove a sag from the sheet, to then make the paired rollers press-contact with each other again, and to eject the sheet out of the finisher by nipping the sheet.