Interesting responses. I use a CanoScan 9000F, but I don't scan in a dark room, and probably won't. For raw cards, I usually put something flat and black over the cards, then drop the lid.
In any case, my example might explain possibly unintentionally deceptive scans. I had scanned all of my recent graded cards with the lid up, but then saw the that Mack was missing his wrinkles, so re-scanned everything.
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$co++ Forre$+
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