Patent ID: 6526256
Filing Date: 2003-02-25
Classification: B65H

Abstract:
An image forming apparatus, comprising:a first folding device and a second folding device, both of which conduct folding processing while conveying a sheet; a controller to control both of said first folding device and said second folding device; and a selector to select a two-folding mode or a three-folding mode; wherein said controller controls said first folding device so as to eject said sheet after folding said sheet double when said two-folding mode is selected by said selector, while said controller controls said first folding device so as to fold said sheet double, and then, further controls said second folding device so as to eject said sheet after further folding said sheet in three when said selector selects said three-folding mode; and wherein said first folding device comprises: a first conveyance-folding device that conveys said sheet; and a knife-shaped folding member to feed said sheet into said first conveyance-folding device in a state that a folded portion of said sheet is at a forefront, and wherein said second folding device comprises: a second conveyance-folding device that folds and conveys said sheet; and a stop guiding member to stop a leading edge of said sheet conveyed by said second conveyance-folding device.