1. Unscrew the barrel of the pen to access the ink cartridge.
2. Insert a new ink cartridge by gently pressing it into place until secure.
3. Screw the barrel back onto the pen to close.
4. To start writing, gently apply pressure to the nib until ink starts to flow.
5. When not in use, store the pen upright to prevent ink leakage.
6. Clean the pen regularly with a soft cloth to maintain its appearance and functionality.
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