I never try to open the cartridge with a knife. The way I refill my cartridges, is to peal the label off, and then drill holes to inject the ink with a hypo.
The reason I asked this question is that I just bought a refill package from Amazon.com. I didn't notice when I purchased the kit, that one of the 100ml. bottles is called "photo black" instead of just plain black ink. If I use the photo black to refill my black ink cartridge, I hope it doesn't...
Hello! My name is James Williams. I now live in Bradenton, Fl. I'm a retired carpenter, studying computer graphics. My printer is a Canon MG3020, that I use mostly to print out tutorials. The quality is great for a cheap printer. I use a refill kit because ink is so expensive. I've never had...