| 摘要 |
A bill stacker detection apparatus comprises a base body, a stacker and a sensor. The sensor has a light emitting element and a light receiving element. When the stacker is moved to a position near the sensor, apertures of a protruding structure on the stacker is covered. The light receiving element is unable to receive a light beam emitted by the light emitting element. If bills fill with the stacker, a bill supporting plate then pushes a sliding block. The aperture is staggered by the sliding block. The light receiving element then receives the light beam to detect whether the stacker is disposed on the base or filled with bills.
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