Conveyor warewasher and method for operating a conveyor warewasher

A conveyor warewasher for cleaning washware, wherein the conveyor warewasher comprises at least one washing zone and at least one rinsing zone as well as a conveyor apparatus for conveying the washware through the at least one washing zone and the at least one rinsing zone,

• characterized in that
• the conveyor warewasher has a camera system, which is arranged above or below or to the side of the conveyor apparatus and is configured in order capture at least one image of a portion of the conveyor apparatus, wherein an evaluation device is further provided, which is configured in order to evaluate and determine on the basis of the at least one image whether, at the time of the image capture, washware of the following washware category was present in the portion of the conveyor apparatus:
• reusable plasticware, in the form of plastic trays, plastic mugs, plastic cups, plastic bowls, plastic covers for plastic bowls, plastic plates, plastic covers for plastic plates, plastic heat-retaining cloches, plastic cutlery, plastic containers for pre-portioning foods, and/or plastic lids for plastic containers for pre-portioning foods.