A point-of-sale system is provided including a conveyor that moves an item downstream and/or upstream, a shelf positioned above the conveyor, a defined zone below the shelf and a shield positioned between the conveyor and the shelf. The shield deters the item from moving to the defined zone when the conveyor is moving the item upstream. A method of conveying an item and methods of retrofitting a point-of-sale system are also provided.

A point-of-sale system is provided including a conveyor that moves an item downstream and/or upstream, a shelf positioned above the conveyor, a defined zone below the shelf and a shield positioned between the conveyor and the shelf. The shield deters the item from moving to the defined zone when the conveyor is moving the item upstream. A method of conveying an item and methods of retrofitting a point-of-sale system are also provided.