If you need to troubleshoot a label that is not printing correctly, you may be able to see what is exactly being sent to your Zebra printer. These are the commands used in this video:
! U1 setvar "input.capture" "run"
^XA^HWE:*.*^FS^XZ
! U1 setvar "input.capture" "off"
! U1 do "file.type" "E:IN003.DMP"
! U1 do "file.delete" "E:IN002.DMP"