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PrePeat rewritable printer lets you undo print jobs, no ink or toner used
Inkless / tonerless printers aren’t exactly new, but here’s a more novel approach: inkless, tonerless, and completely reusable. The PrePeat rewritable printer is exactly that: using special paper made of PET plastic, you can make all the flowcharts and meeting notes you need, and when you want to start fresh, feed the paper back in to start fresh. Upfront cost is 500,000 yen (about $5,600 in US …

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