The technology of eco solvent is old or might fade because of the latex. As long as you choose a brand that has been around for long time. Clogging issues, color variations are no longer there. From our statistic, people who complaint about aftermarket ink are the ones who 1. do not maintain their printer 2. aftermarket is way better than oem because once the printhead is out, they complaint. Come on, you are using the printhead for the 6th year. These printheads are consumables. 3. Operator errors - ink does not work so we need new heads. Above are the facts and facts only.