![Reality Winner was outed by invisible dot patterns added by printers (among other things) | Boing Boing Reality Winner was outed by invisible dot patterns added by printers (among other things) | Boing Boing](https://i0.wp.com/boingboing.net/wp-content/uploads/2017/06/Screenshot-2017-06-05-21.50.07.png?fit=684%2C523&ssl=1)
Reality Winner was outed by invisible dot patterns added by printers (among other things) | Boing Boing
![Is there a way to remove yellow dots from the prints of my newer Brother led printer ? there are hundreds, possibly thousands of them on one printed page everywhere... <0,1mm. They Is there a way to remove yellow dots from the prints of my newer Brother led printer ? there are hundreds, possibly thousands of them on one printed page everywhere... <0,1mm. They](https://i.redd.it/2hc4nv8iejr31.jpg)
Is there a way to remove yellow dots from the prints of my newer Brother led printer ? there are hundreds, possibly thousands of them on one printed page everywhere... <0,1mm. They
![Application of Adobe® Photoshop® CC 2018 for identifying color laser printer source of Xerox® brand | Egyptian Journal of Forensic Sciences | Full Text Application of Adobe® Photoshop® CC 2018 for identifying color laser printer source of Xerox® brand | Egyptian Journal of Forensic Sciences | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs41935-018-0076-4/MediaObjects/41935_2018_76_Fig7_HTML.png)
Application of Adobe® Photoshop® CC 2018 for identifying color laser printer source of Xerox® brand | Egyptian Journal of Forensic Sciences | Full Text
Greg on Twitter: "Printed medium is pretty cool under the microscope. The yellow dots in the area around the printer are likely part of a machine identification code the printer adds. https://t.co/bZ7tt88WvN" /
![Investigating Machine Identification Code Technology in Color Laser Printers | Electronic Frontier Foundation Investigating Machine Identification Code Technology in Color Laser Printers | Electronic Frontier Foundation](https://www.eff.org/files/xerox_doc12_test07_checkerboard.jpg)
Investigating Machine Identification Code Technology in Color Laser Printers | Electronic Frontier Foundation
![How tech sleuths cracked the mysterious code that turns your printer into a spying tool - The Washington Post How tech sleuths cracked the mysterious code that turns your printer into a spying tool - The Washington Post](http://www.washingtonpost.com/news/morning-mix/wp-content/uploads/sites/21/2017/06/dot-pattern-eff.jpg)
How tech sleuths cracked the mysterious code that turns your printer into a spying tool - The Washington Post
![Application of Adobe® Photoshop® CC 2018 for identifying color laser printer source of Xerox® brand | Egyptian Journal of Forensic Sciences | Full Text Application of Adobe® Photoshop® CC 2018 for identifying color laser printer source of Xerox® brand | Egyptian Journal of Forensic Sciences | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs41935-018-0076-4/MediaObjects/41935_2018_76_Fig12_HTML.png)