If you are someone who uses printer on a daily basis, there are somethings you should know about. Like, how to replace ink cartridges HP. The process is simple, you just have to be careful while doing it. Open the cover of your printer and remove the lid. There you will see the ink section in the middle. Remove the old cartridges by pushing the slots. Make sure your hands are clean and dry. Then place the new cartridges in the specific slots and gently push them inside. Close the cover of the printer.