HP Promises Fix for Time Bombing Unofficial Ink Cartridges in Its Printers
abcnews.go.com
abcnews.go.com
That way, you'll capture the high profit on those people who pay for the official cartridges as well making some money on the "cloned" cartridges.
It would be a little embarrassing for them it was discovered, but it wouldn't be the first time a company had wildly different pricing depending on the marketing channel.