| 摘要 |
A beverage preparation machine comprises: a) a seat (5); b) a service unit (20, 30) in the seat for storing waste material, the service unit being —insertable manually into the seat into a collection position for collecting waste material such as waste liquid and/or waste beverage ingredient, optionally contained in a pre-portioned ingredient capsule; and —removable, in particular manually, from the seat for emptying the waste material upon collection thereof in the service unit, c) a control means for controlling proper insertion of the service unit in the seat. The control means comprises a touch-sensory feed-back mechanism (40, 50) arranged to indicate to a user an improper insertion of the service unit in the seat.
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