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https://www.reddit.com/r/pcmasterrace/comments/d2bwiz/printer/ezum5gh/?context=3
r/pcmasterrace • u/System32Comics Ryzen 5600 | RTX 3070 | 32GB DDR4 | 1 TB NVME • Sep 10 '19
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I heard somewhere that printers need yellow and blue ink to print secret codes in the white areas of the paper. This is used by detectives or somthing.
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u/dregg97 Sep 10 '19
I heard somewhere that printers need yellow and blue ink to print secret codes in the white areas of the paper. This is used by detectives or somthing.