With this search engine you can search for belonging ink numbers once you have selected a cartridge and vice versa. Initially the cartridge and ink number box are empty and will be activated after a brand is chosen. Once the 'Submit' button is clicked, the initial state, as described above, is reached again and the search results will be shown below. If you want to see this information after you`ve done a search then just click the 'Submit' button without selecting something.