Images: EFF cracks printer tracking code

Images: EFF cracks printer tracking code

Summary: It was recently discovered that many printers put a code on every document it prints. Now we know what it says.

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TOPICS: Hardware
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  • yellow dots

    This is what the dots look like under 60x magnification photographed by a Digital Blue QX5 computer microscope.

  • Here is a magnified image of the code as it appears on a printed document.

  • show through

    The ink for the code will show through print.

Topic: Hardware

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  • RE: Images: EFF cracks printer tracking code

    I think this is a good idea. Makes ransom notes etc. easier to trace.
    Jerytt