Tagged “software”
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Scan profiles and the one-touch button
A profile is a saved bundle of capture settings behind a single button. Getting one receipt profile right is worth more than tuning any setting twice.
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When the bundled software owns your scans
Hardware often ships with an application that stores scans in its own library. Getting them out later is a different job from scanning them in.
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The driver is the part that expires
Scanner mechanisms outlast their software support by years. What makes a device survive an operating system change, and what strands it.
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Deskew, autocrop and auto-rotate: helpful until they aren't
Automatic image cleanup guesses where the page ends and which way is up. On an irregular slip both guesses can go wrong silently.
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Compression is why your scans look worse than the paper
The sensor read the slip correctly and the file lost some of it afterwards. Where lossy compression damages small print, and how to stop it.
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Colour, greyscale, or bitonal for receipts
Bitonal makes the smallest files by throwing a hard threshold at every pixel. On faint thermal print that is exactly what you cannot afford.