PROBLEM TO BE SOLVED: To provide a sheet bundle processing device capable of binding a sheet bundle or removing a staple from the sheet bundle with a single device, is easy in handling, and is low in cost.;SOLUTION: A sheet bundle processing device 500 comprises a binding part 510 that binds a sheet bundle 100 of a plurality of sheets, and a removing part 520 that removes a staple A binding the sheet bundle 100 from the sheet bundle 100. When the unbound sheet bundle 100 is set in the binding part 510 for binding, the binding part 510 binds the sheet bundle, and when the bound sheet bundle 100 is set in the removing part 520, the removing part 520 removes the staple A from the sheet bundle 100.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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