STEP #1 - Setup printer and print a test label for 4x6" sample shipping label
1.1 - Please follow below video on how to load labels and run calibration.
{module [166]}
STEP 2 - Print shipping label on UPS.com (must be printed from Chrome web browser)
Watch and follow along with the second video. This video specifically covers how to print shipping labels from UPS.com on Mac.