Patent ID: 8262075

Claim:
An image forming system comprising: a first supplying unit that supplies a plurality of recording materials in a first orientation, each recording material having a long side and a short side, the first orientation being an orientation in which the short side is a front side in a transport direction; a second supplying unit that supplies a plurality of recording materials in a second orientation, each recording material having a long side and a short side, the second orientation being an orientation in which the long side is a front side in the transport direction; an image forming unit that forms images on the plurality of recording materials supplied from the first supplying unit or the second supplying unit; a stacking unit that is used to stack, as a bundle, the plurality of recording materials having the images formed thereon by the image forming unit, the bundle having the plurality of recording materials placed upon each other with first edge portions and second edge portions, differing from the first edge portions, of the respective recording materials being aligned with each other; a first binding unit that binds, by a first binding operation, the first edge portions of the bundle of the plurality of recording materials stacked upon the stacking unit; a second binding unit that binds, by a second binding operation, the second edge portions of the bundle of the plurality of recording materials stacked upon the stacking unit; an obtaining unit that obtains an instruction regarding a binding position of the first binding operation and a binding position of the second binding operation with respect to the bundle of the plurality of recording materials; and a controller that performs control to supply the plurality of recording materials from either one of the first supplying unit and the second supplying unit, on the basis of the binding positions of the first and second binding operations obtained by the obtaining unit.