How do I find out if both the 502 and the 664/774 are the same type of ink? dye vs pigment is what I've been seeing a lot. I don't want to damage my printer pad or clog any hoses. I sent enough money. :)
I just bought the Epson ET-4850. I previously had the ET-4550 (7+years old) and I have a bunch - full bottles - of ink of 664 and 774. The associate at the store I purchased the printer from said that if I could get the ink in the well, it would work fine because basically the only difference...