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586 points prawn | 1 comments | 06 Jun 17 22:12 UTC | HN request time: 1.211s | source

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Are there any known forensic marking methods used by monochrome laser printers?

1. irixusr ◴[07 Jun 17 00:52 UTC] No.14502883[source]▶

I'm hypothesizing, but you could make the slightest of changes to the print.

For example, if it's text, modify the font ever so slightly so it's invisible to the eye but measurable to someone looking for it.

List of Printers Which Do or Do Not Display Tracking Dots