Open Zebra Print Utility Software, go the the code area, type this code & click Enter to go to a new line :
! U1 setvar “device.command_override.active” “yes”
! U1 setvar “device.command_override.add” “~SD”
! U1 do “device.reset” “”
Lock Speed and Darkness
! U1 setvar “device.command_override.active” “yes”
! U1 setvar “device.command_override.add” “^LT”
! U1 setvar “device.command_override.add” “zpl.label_top”
! U1 do “device.reset” “”
Lock Offset Top
! U1 setvar “device.command_override.active” “yes”
! U1 setvar “device.command_override.add” “^LT”
! U1 setvar “device.command_override.add” “zpl.label_top”
! U1 do “device.reset” “”
Lock Offset Top and Left Position
! U1 setvar “device.command_override.active” “yes”
! U1 setvar “device.command_override.add” “^LT”
! U1 setvar “device.command_override.add” “zpl.label_top”
! U1 setvar “device.command_override.add” “^LS”
! U1 setvar “device.command_override.add” “zpl.left_position”
! U1 do “device.reset” “”
Send this code to printer