They try always to save and toner cartridges to make the already noticeable especially when you have to print a lot for the university! This product I can recommend with a clear conscience, extra ca 1000 pages have printed before I make because I have ever bought a compatible cartridge my Rezision and I had 200 pages dispose of them but in this toner, I must say I'm really happy !! ! Perfectly and the original indistinguishable printed image, installation easy and even up to the 1000 pages not degraded print image So I give 5 stars because like