How to calibrate?

a. Turn off the power supply of the printer.

b. Open the upper cover, load the labels and close the upper cover.

c. Turn on the power supply of the printer, wait until the normal initialization of the printer is completed(about 3-5 seconds), press the "Advance" button and hold it until the "Dee" sound is heard, and the printer can automatically carry out the intelligent learning of the paper.