Impressively, the system does not use water to recycle the paper. "Ordinarily it takes about a cup of water to make a single A4 sheet of paper," the company writes. "Given that water is a precious global resource, Epson felt a dry process was needed." They've thus developed what they call Dry Fiber Technology, a proprietary three-step process that somehow transforms waste paper into fibers, then binds it back together and forms it into sheets.