Scratch-off ribbons are ribbons specifically designed to create a thin, removable layer of material on a card that a user can scratch off to reveal hidden information, such as PIN numbers, passwords or barcodes. Therefore some particular uses of scratch-off technology include membership cards, prepaid phone calling cards, bank cards and any cards with private information.
Scratch-off ribbons are monochrome ribbons are typically grey ribbons interwoven with black lines arranged in a wave-like pattern. Scratch-off ribbons that produce variously-colored layers do exist, but the majority of them are grey.
When using the scratch-off feature the ribbon driver needs to be selected to “K,” which represents “black” in YMCKO (yellow, magenta, cyan, black, overlay). You can achieve best results by using the scratch-off ribbon as a monochrome ribbon with the contrast setting placed at C3.
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