The cartridges arrived promptly in early March and well-packed. They worked well for a couple of months. I started to see blue mottling whenever I printed on cardstock, but thought that it was a problem with the paper. By July I realized that the cyan had a leak, but thought that it was just temporary. I cleaned out the inside of the printer and didn't print again until late August. That's when the blue streaking covered almost half paper. I checked the supply levels to see how much had leaked compared to the other color... read full review »