“Imagine if your printer had an “unprint” button that used pulses of light to remove toner—and thereby quintupled the lifespan of recycled paper.
A Rutgers-led team has created a new way to unprint paper that, unlike laser-based methods, can work with the standard, coated paper used in home and office printers. The new method uses pulses of light from a xenon lamp, and can erase black, blue, red and green toners without damaging the paper, according to a study in the Journal of Cleaner Production.
“Our method…””
For More: https://techxplore.com/news/2019-06-unprinting-method-recycle-paper-curb.html
