This describes the process of finding the dots: https://blog.erratasec.com/2017/06/how-intercept-outed-reality-winner.html?m=1 https://blog.erratasec.com/2017/0

This describes the process of finding the dots: https://blog.erratasec.com/2017/06/how-intercept-outed-reality-winner.html?m=1 https://blog.erratasec.com/2017/06/how-intercept-outed-reali... There is an advantage if you are testing printers rather than reviewing a single scan as they describe - you can print the same content on two different printers and compare the output