I agree that "paper" that actually would be a type of rewriteable LCD/OLED/LED would be more practical than sheets of paper to put in a printer.
As far as sheets of paper are concerned, why not go back to the old "biblical scroll" system where the "printed" material would be on a double-scroll which would be unrolled like we scroll on our display in order to read it.
It would have to be flexible, and preferably would reproduce color as well as black/white.
From what i saw of this invention, the paper itself is a rather unattractive yellow, the image left by the UV led was blueish. I don't think that an office would want to reinvest in special printers and paper which would probably cost far more than current paper and would not be able to reproduce colors.
Years ago, i paid $800.00 for a printer that used rolls of heat sensitive paper in a dot matrix array. Over time the paper would darken. It always had a funny feel and didn't reproduce very well.
The reuseable sheets described sound like a throwback to the old days.
Regards: General Ludd (a real old throwbac)
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