“Aside from the fact that solid ink technology is considered as an innovative approach to printing in general, which no other company seems to have duplicated thus far, the concept has a lot of environmental advantages that are held in such high importance nowadays. Since the technology uses solid ink that no longer required to be held in cartridges, it generates 90% less supplies waste. It reportedly uses 9 percent less lifecycle energy, and also produces ten percent fewer greenhouse gases when compared with other laser devices.
Xerox also claims that using solid ink technology can reduce the price of color printing by as much as 62%, which will enable companies to change their attitude towards color printing by making it more affordable.”
Read more at Printer Ink and Cartridge blog