7.4 Inserting or replacing the needle cartridges
The NeedlingPen has various needle cartridges. Needle modules with 12 pins, 36 pins or nano pins are available.
Note: How to grip the needle cartridge
Insert the needle cartridge into the threaded connector of the handpiece.
Turn the needle cartridge clockwise until you feel resistance. The needle cartridge is now firmly seated in the handpiece.
Check that the needle cartridge is positioned correctly.
To remove the needle cartridge , turn the needle cartridge counterclockwise and remove it from the handpiece.