Small solar powered printer that doesn't require the use of ink cartridges

The concept is already three year old and needed further development. Seems that did not happen.

http://www.yankodesign.com/2011/09/29/the-art-of-solar-print... http://prezi.com/8wrq27o_xise/tanning-printer/

This is not a printer, this is an idea for a printer that has not been developed and may or may not be practical.