Staple removal device

A staple removing device comprising:

• a placing table on which a sheet bundle bound by a staple is placed;
• a sheet pressing part configured to press against the sheet bundle placed on the placing table;
• a removing part located below the placing table, configured to remove the staple from the sheet bundle placed on the placing table, and including a tip end portion that can be inserted between the sheet bundle and the staple and is configured to be movable along the placing table between a first position and a second position and to be inserted between the sheet bundle and the staple when the tip end portion moves to the second position;
• and
• a motor configured to move the removing part,
• wherein the placing table is provided with an opening into which the tip end portion can protrude, and
• wherein the tip end portion moves while maintaining a state of protruding from the placing table via the opening at least until passing through the second position from a front of the second position.