Can do little more than point to this one, because I wasn't briefed, but I found it interesting because I think the printer's role in green tech is still under-appreciated.
So, if you're concerned about how to dump your printers when they've been tapped out, Samsung is offering a program called PrintCycle for people that buy seven different models of its laser printers. Here's the GreenBiz.com coverage. Could be an interesting selling differentiation against the competition.