Patent ID: 8002401
Filing Date: 2011-08-23
Classification: G03G

Abstract:
1. A sheet processing apparatus, comprising: a stapler configured to staple a sheet bundle by driving a staple into the sheet bundle; a cutting mechanism, mounted to the stapler, configured to cut off end portions of staples driven into the sheet bundle; a storage portion mounted to the stapler and configured to store cut-off end portions of staples; a lid, mounted to the storage portion, capable of opening and closing; an open and closed state detecting portion configured to detect open and closed states of the lid; a collecting portion configured to collect the cut-off end portions of staples from the storage portion; a lid opening and closing portion configured to perform a lid opening and closing operation of a lid opening operation that opens the lid when the cut-off end portions of staples are collected from the storage portion to the collecting portion and then a lid closing operation; and a control portion configured to control the lid opening and closing portion, wherein after the lid opening and closing portion has performed the lid opening and closing operation, if the open and closed state detecting portion detects that the lid is not closed, responsive thereto, the control portion controls the lid opening and closing portion to repeat the lid opening and closing operation.