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2. What are receipt scanning apps and how can you use them? - AOL

   www.aol.com/finance/receipt-scanning-apps-them...

   Scan receipts: For most apps, scanning a receipt is as simple as taking a photo. You’ll need to give the app access to your device’s camera so that you can snap a photo of the receipt and ...

3. Automatic document feeder - Wikipedia

   en.wikipedia.org/wiki/Automatic_document_feeder

   Reverse automatic document feeder A scanner with a duplexing automatic document feeder A Konica Minolta photocopier with an automatic document feeder in use. In multifunction or all-in-one printers, fax machines, photocopiers and scanners, an automatic document feeder or ADF is a feature which takes several pages and feeds the paper one page at a time into a scanner or copier, [1] allowing the ...

4. 10 Receipt Scanner Apps That Reward You for Everyday Shopping

   www.aol.com/finance/best-receipt-scanner-apps...

   Many receipt scanner apps offer reward points and cash-back opportunities. Here are 10 options and what they’re best for. 1. Fetch Rewards: Best for Free Gift Cards.

5. Self-checkout - Wikipedia

   en.wikipedia.org/wiki/Self-checkout

   Security barriers in a British Sainsbury's shop require customers to scan receipts before being allowed to leave the premises. Failure to scan all items is a form of shoplifting . This can happen innocently when a customer scans only one item of a "buy one, get one free" promotion, or deliberately by a customer at a self-checkout.

6. Cash register - Wikipedia

   en.wikipedia.org/wiki/Cash_register

   Cashiers are often required to provide a receipt to the customer after a purchase has been made. Registers typically use thermal printers to print receipts, although older dot matrix printers are still in use at some retailers. Alternatively, retailers can forgo issuing paper receipts in some jurisdictions by instead asking the customer for an ...

7. Printer tracking dots - Wikipedia

   en.wikipedia.org/wiki/Printer_tracking_dots

   Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...