How to rotate label 180 degrees:
Click Images to Enlarge
Open Printers & Scanners
Select your Printer and click Manage
Select Printer Properties
Check on or off rotate 180 and click Ok
Then to set the Default. Select the Advanced tab
Select Printing Defaults
Check on or off rotate 180 to be the same as preferences. Then click OK.
Try printing again.
It should now be rotated 180 degrees.