Israel’s Reep Technologies uses lasers to completely remove ink from printed pages so that the paper can be reused. Reep has re-invented the “de-printer”, protected it with 20 patents and is now preparing to roll it out globally. It saves trees, water, energy, waste, pollution and is carbon negative.
https://nocamels.com/2022/10/now-you-see-it-miracle-de-printer-wipes-the-words-off-a-page/