1. First put the label through the U-shaped groove of the electric eye.

2. Secondly, put the labeled area into the electric eye slot and press the adjustment button continuously for about 3 seconds.

3. Finally, open the transparent cover of the electric eye amplifier and press the MODE or CANCEL button. Label machine, also known as self-adhesive label machine. It is named because it is mostly used in the printing and production of self-adhesive trademarks and labels.