Locate the printer door hatch on the top of the terminal back and pull to open the paper hatch.
Install the paper roll according to the diagram inside the compartment with a portion of the paper end coming out from the top of the roll.
Pull out a small piece of paper from the roll and carefully close the paper hatch with the small piece of paper sticking out.
Firmly hold the paper end and tear the excess paper from an approximately 45-degree angle upward.