Xerox Copiers Changing The Output?

German scientist D. Kriesel has discovered that two Xerox products, the WorkCentre 7535 and the WorkCentre7556 use a compression algorithm which may change the printed output, even when the device is only being used in photocopier mode. In the example, Kriesel uses an engineering drawing of a building, but it could just as easily have been financial data, patient records or similar.

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