'... The information is there for the exact reason you would expect, to make pages traceable. It’s a practice known as digital steganography, which IEEE Xplore define as “the art of inconspicuously hiding data within data”.
The Electronic Frontier Foundation reported that the US government got printer companies to put the codes into their products as a means of tracing and catching counterfeiters, but they also noted “there are no laws to stop the Secret Service from using printer codes to secretly trace the origin of non-currency documents”.
All of this is a pretty good explanation for why your printer won’t print in black when you have black ink, but no colour ink.
- appsoloDirector, 2010 - presentPrincipal at appsolo.com
- IT SligoLecturer in Computing, 1990 - present
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