Thomas Lee said:Its not really wise using CISS inks. My suggestion to you is to use HP original inks. A recent independent study done by HP revealed Original HP Inks give 2.4 times more prints than refills, while one in three of all refilled cartridges tested were either Dead On Arrival or failed prematurely. Check out this site Original HP Inks
I read this as it was recommended from the HP site. I believe it is sheer HP marketing propaganda.