User's Manual: First time use place marker tip up vertically and press tip slightly to release pressure. Cover the pen cap and sake the ink thoroughly, shake it upright 30 times.Remove cap. Press the pen tip down 10-30 times until the pen tip is filled with ink. Recap tightly after use and store in horizontal position. When using for the second time, cover the cap and shake it 30 times before pressing the pen tip until the pen tip is filled with ink.