The apparatus comprises: binder hole number counting means for counting the number of binder holes formed in the paper by the punching unit; monitor means for calculating the amount of paper refuse accumulated in the container each time the punching operation is completed based on the number counted by {TAIL ~ the binder hole number counting} means to judge whether or not the calculation result exceeds {HEAD ~ a predetermined value}; and alert means for informing an operator of the necessity of emptying the container when the monitor means judges that the calculation result exceeds the predetermined value 
The apparatus comprises : binder hole number counting means for counting the number of binder holes formed in the paper by the punching unit ; monitor means for calculating the amount of paper refuse accumulated in the container each time the punching operation is completed based on the number counted by { TAIL ~ the binder hole number counting } means to judge whether or not the calculation result exceeds { HEAD ~ a predetermined value } ; and alert means for informing an operator of the necessity of emptying the container when the monitor means judges that the calculation result exceeds the predetermined value
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