Electric stapler

An electric stapler configured to perform binding processing including a plurality of processes, the plurality of processes including a penetration process and other processes, the other processes including at least a clamp process and a clinch process, the clamp process clamping the sheet bundle, the penetration process causing a staple to penetrate the clamped sheet bundle, and the clinch process clinching leg portions of the penetrated staple, the electric stapler comprising:

• a binding unit configured to execute the binding processing for a sheet bundle;
• a motor configured to drive the binding unit;
• and
• a control unit configured to control the motor,
• wherein the control unit is configured to control the motor so that a rotating speed of the motor becomes faster in the penetration process than in the other processes, thereby adjusting processing times of the processes so that a binding processing time after the binding processing by the binding unit starts until the binding processing is completed falls within a predetermined range,
• wherein the control unit is configured to set a plurality of set target rotating speeds, and the set target rotating speeds are different for at least two different processes of the plurality of processes;
• and
• wherein for each process, the control unit is further configured to monitor the rotating speed of the motor and to control the motor so that an actual rotating speed of the motor follows a set target rotating speed of the plurality of set target rotating speeds.