Hmm… does the printer then delete the printout and I have a white page again?
Net discovery: this content is not “ZDDK” in the classic sense, but is for entertainment purposes. The online discovery is based on content found on social networks.
Yes, it's not fake! In Photoshop you can actually “print back”. Does it then pull the sheet back in and shred it? Those who owned inkjet printers in the 90s will probably still remember this unpleasant effect.
But what is behind it? Technically, this function undoes the last step, nothing more. It is the classic “undo”.
This possibility can be observed in Photoshop CC 2017 after starting a print. However, the fact is that some processes that can be carried out are divided into reversible and non-reversible. Some steps can no longer be undone after a certain point. This means, for example, converting smart objects, rasterizing layers, converting them into paths or using the image tracer in Illustrator and then saving them in certain situations.
So one can assume that hardly anyone has paid attention to this detail until now.
A cross-check in other programs shows that this (non-reversible) step cannot be carried out there either. Whether Word or Thunderbird: if you call up the “Undo” function, the print function is excluded.
And now?
It's simply a bug. A bug that invites you to philosophize. But since it doesn't hurt anyone and is far from critical, if it is known, it should be way down the priority list. Adobe definitely has more serious bugs that they need to work on.
Notes:
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