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This is an inkless printer that prints by using the solar energy.
There is no hassle of changing ink cartridges and it takes up less space.
On the back of the printer attached to the window are solar panels.
The principle of by which printing is done is that the inside lens refracts the light and makes burn marks on the paper.
hoseo university
Gyeonggi-do, South Korea
hoseo university
seoul, South Korea
hoseo university
Gyeonggi-do, South Korea
hoseo university
Gyeonggi-do, South Korea