it's 4021 apple, because it has a sticker. So you try to scan tiny barcode (if one is present, you can see it on bananas) but if it's missing or dirty, you ente

it's 4021 apple, because it has a sticker. So you try to scan tiny barcode (if one is present, you can see it on bananas) but if it's missing or dirty, you enter 4-digit PLU by hand. It's very simple and fast: https://www.huffpost.com/entry/so-thats-what-those-stickers-on-fruits-and-vegetables-really-mean_l_64ca6c04e4b03d9b515f1c18 https://www.huffpost.com/entry/so-thats-what-those-stickers-... but yeah, if your store has no number stickers and multiple types of apples I can imagine self-checkout being a major pain. (I can think of a few ways to make this easier -- like provide a roll of stickers next to each variety so customer can attach them to the bag themselves -- but I've never seen this implemented)