“Put in the first cartridge as soon as it arrived. All of the prints come out with black blotches along the right edge of the paper. I did a printer test page and that came out clean. Tried printing again and got more blotches. I put the old original HP cartridge back in and didn't have the problem. Put the new cartridge in from Ink Toner Store and have the same blotches. Very unhappy with this product.”
