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by theamk 886 days ago
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-...

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)