The Next Net has a post about a company called Zink that has developed a new inkless type of printing using special dye crystals. The Zink printers are so small they can be embedded into the cameras themselves.
Zink is a spin-off from Polaroid that has developed an inkless printing technology. The ink is in the paper in the form of special dye crystals that turn different colors when heated. By getting rid of the ink cartridges and associated printer heads, this will allow for the creation of compact, mobile printers that can be embedded into digital cameras, laptops, and even cell phones.
We could use an ink replacement. Apparently, the way some laser printers use ink cartridges can kill you. You do have to use Zink paper with Zink printers so it remains to be seen what the costs and implications will be. Here's a video presentation about Zink.
The Next Net has a 
