MIKADO > EYE DROPPER FILLING SYSTEM
(1) Unscrew the front section.
  (2) Fill with ink up to the lower edge of the stopper.
  (3) Screw the front section back tightly.
  (4) Loosen by unscrewing the tail 1 mm- 2 mm (1/32"-2/32") wide to allow ink to enter the
    front section for writing.
    Caution: If the tail is opened too wide, it may cause ink to overflow over the nib.
  (5)

After use, hold the pen upward and screw back the tail tight. The ink stopper will block the

    ink flow. And the pen should be closed with the cap tightly.
    Caution:
1.
You may leave the pen with the nib horizontally and the tail open when you
        don't write, but the pen should not be left with the nib downward and the tail
        open while stop writing.
     
2.
The tail and the cap should be kept tight at all times when you have the pen in
       

the pocket or left on the desk.