Diving For Dirt

Today's NY Times has an interesting technology Q&A in which the reader asks "When I try to print, I receive a message that my color cartridge is installed incorrectly. I know I have the correct cartridge in place, and I have reinstalled it a few times. What's the problem?"

For the answer, check out the article (and soon -- the NY Times only lets you see articles free for a limited time):

The New York Times > Technology > Circuits > Q & A: Dirt Can be the Culprit When a Printer Balks