Demonstration model: HP 680
Take HP 680 for example.
1, first of all, to find the ink cartridge, HP 680 cartridges on the right side of the cartridge is generally added to the ink cartridge, add ink place;
2, you can view the specific which box of ink is relatively small, you can choose to add;
3, two hands will be the ink cartridge to lift up to take away the plug will be taken away, to find the corresponding ink ink ink;
4, in the process of adding ink, pay attention not to overflow.