I purchased 8 cartridges (4 black & white, 4 Color) for my Dell V305 printer... after inserting 4 cartridges I decided to discontinue trying to use them. They would not print, and if they did the printing was illegible... I will never purchase from them again. I tried to contact them through *******@house of toners.com, no response from e-bay or house of toners... Disgusted, and disappointed