Patent ID: 7635120

Claim:
A booklet finishing apparatus comprising: a clamping unit that flattens a booklet of folded sheets by clamping at least on portions adjacent to a back of the booklet from both surfaces of the booklet; a forming unit that flattens the back of the booklet by pressing the back of the booklet; and a switching unit that has a plurality of modes to control the forming unit and switches for the booklet individually between the plurality of modes, the plurality of modes being based on any of information on content sheet thickness, information on cover indicating presence or absence of cover, information on saddle stitching indicating presence or absence of saddle stitching, or information on cover thickness, wherein the plurality of modes include a first mode and a second mode, and the switching unit switches between the first mode and the second mode; in the first mode, the clamping unit clamps the booklet to flatten the booklet and the forming unit presses the back of the booklet to flatten the back of the booklet, in the second mode, the clamping unit clamps the booklet to flatten the booklet and the forming unit is stopped, and the switching unit obtains the information on cover indicating presence or absence of cover, and the switching unit switches between the first mode and the second mode according to the obtained information on cover indicating presence or absence of cover.