olemus
üks printeristeganograafia vahendeid:
värviprindile lisatud vaevunähtavad
kollased 2,5 mm vahedega täpid,
mis kodeerivad prindiandmeid
=
tracking dots added to printouts by some color laser printers

ülevaateid
https://en.wikipedia.org/wiki/Machine_Identification_Code

https://office-watch.com/2017/secret-printer-tracking-dots/

http://www.observationsblog.com/sciencetechnologyexperiments/laser-printers-and-the-tiny-yellow-dots

https://www.eff.org/pages/list-printers-which-do-or-do-not-display-tracking-dots