1. First, take out the atomic seal and the corresponding ink for later use.

2. Then gently push out the ink cartridge in the atomic seal.

3. Open the ink bottle below and slowly add the ink to the ink box as shown in the figure below.

4. Next, you need to put the ink box on the desktop and wait for a few minutes to make the ink completely absorbed.

5. Then gently install the ink cartridge in the middle of the atomic seal.

6. Just try the effect at last, so that the atomic seal can be finished by adding ink.