At the self-checkout, I got through 5 items in 3-5 minutes. Then I was surprised: at the same time, a person next door with an overflowing trolley was paying at the self-checkout without having picked up a single item from the trolley contents. My question: + Is it possible to do self-scanning and complete the payment process at the self-checkout after returning the scanning device? ... If yes, then you could certainly go back quickly after returning the scanner and pick up a forgotten item and scan it in afterwards ? The checkout slips on site have a QR code - a new system