And the trouble is that the process of refilling them is not in and of itself all that difficult. Anybody with about a fourth or fifth grade level of reading comprehension should be able to do it. It is the manufacturers' engineering and software tricks that make it so challenging. It looks like that the makers would realize that if the cartridges were reasonably priced, say $12 to $15, nobody would be trying to beat the system, so there would be no need for them to artificially drive sales.

That seems like a pretty informative site, I have bookmarked it for later reference.