(57) The present invention prolongs a lifetime of an impeller while suppressing the occurrence
of noises attributed to the impeller. A bill depositing/dispensing apparatus includes
an upper conveying passage, a dispensing port, an impeller, a dispensing port inlet
sensor, a dispensing port conveying bill detection sensor, a control part for executing
step S22 of detecting whether or not a bill remains between the dispensing port conveying
bill detection sensor and the dispensing port inlet sensor on the upper conveying
portion upper conveying passage, and a control part for executing a step S24 of starting
the rotation of the impeller in an accumulating direction upon detection of passing
of a bill through a conveying passage by the dispensing port conveying bill detection
sensor and stopping the rotation of the impeller when remaining of bill is not detected
by the control part which executes the step S22 after detecting the accumulation of
the bill by the dispensing port inlet sensor and the step S3.
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