There are three main reasons why labels are not entirely print
Please make sure the green label guides touch the edge of the label slightly to avoid label offset during printing.
Note: If the label on the print preview looks very small. You may have downloaded the A4 size page for the inkjet printer. Please download the 4×6 inches label for the shipping label printer to print.
You can also crop the page to 4×6 inches if you can not download it again.
http://wiki.hotlabel.co/Windows/sideways