How to use the ink bag (how to put the ink bag into the pen)

2. How to use the ink bag?

3. How to use the black ink bag of the pen?

4. How to open the ink bag?

1. Unscrew the first pen and take out the used ink bag.

2. Take out a new ink bag from the ink bag box.

3. The feeding direction of the ink bag is opposite to the ink taking direction.

4. Insert a new ink bag parallel to the pen body until it clicks.

5. Just change the ink bag.

6. Extended information:

Ink sac, also known as ink sac, ink sac, etc. , mainly used to replace the matching pen core and ink core.

7. The ink bag is a tube filled with ink. You can use it by directly inserting the lid into the pen. It is disposable and usually contains a bead to prevent ink from overflowing.

8. Although the effect is better, the cost performance is not particularly high.

9. Please discard the ink in the ink bag after using it.

10. In addition, similar products also have ink absorbers, which can be used repeatedly like ordinary pens.