Eco printer is a 2010 Red Dot Concept Design winning entry. Designer is Sharsha Lee for Liteon Technology Corporation.The printer prints the ink, which can bee erased. This printer started to develop about 15 years ago, but to realize the project could only now.Whit Eco printer one paper can go through the recycle process five to seven times. The Eco Printer uses specialized ink composed of photographic materials that disappear from UV irradiation. It should be noted that Eco Printer does not erase the inscriptions, which were made by conventional ink or pencil.