Patent ID: 8613435
Filing Date: 2013-12-24
Classification: B65H

Abstract:
1. A sheet post-processing apparatus comprising: a folding unit configured to fold a sheet bundle including a plurality of sheets; a fold reinforcing unit configured to reinforce fold by pressing a folding line of the sheet bundle folded by the folding unit, the fold reinforcing unit comprising first and second pressing members moving along the folding line while pressing the folding line, the first pressing member moving while pressing the folding line behind the second pressing member which move while pressing the folding line; and a control unit configured, when a number of the plurality of sheets included in the sheet bundle is a predetermined number or less, to control the fold reinforcing unit so that the first pressing member presses the folding line and the second pressing member does not press the folding line, and configured, when the number of the plurality of sheets included in the sheet bundle is more than the predetermined number, to control the fold reinforcing unit so that both of the first and second pressing members press the folding line.