No, I mean that the encoder strip will lose its code, or the strip will become brittle and break. At the Salvation Army and the White Elephant here we through away, on average 9 a day that cannot be repaired.
Their cartridges are actually better than Epson and Canon, but not the printer. They are designed to sell ink, as are the ones Lexmark makes for Dell, Compaq, and Sony.
The date of failure will depend on your humidity and other factors. In the Southwest, their failure rate is very high.