Sheet processing apparatus and image forming system

摘要

In order to correct a corrugation caused when a sheet widthwise edge portion elongates more than the vicinity of the center in a sheet feeding direction, a sheet processing apparatus includes: a fixing portion that fixes a toner image onto a sheet by heating, a plurality of pairs of rollers provided along a sheet feeding direction with an interval in the downstream of the fixing portion in the feeding direction to nip and convey a sheet; and a tensioning device that applies a tensile strength of the sheet feeding direction to a sheet in a center area of a width direction perpendicular to the sheet feeding direction.

主权项

1. A sheet processing apparatus configured to process a sheet on which a toner image has been fixed by heat, comprising:
a moistening unit configured to moisten the sheet, the moistening unit disposed on a conveyance path that guides the sheet substantially vertically from an upper side to a lower side; and a curl correcting unit configured to correct a curl of the sheet, the curl correcting unit disposed on a downstream side of the moistening unit in a sheet conveying direction and disposed on the conveyance path that guides the sheet substantially vertically from the upper side to the lower side.