Zebra ZQ bluetooth print with Android

Suitable ZPL terminal commands for ZQ510, ZQ511, ZQ520, ZQ521 label printers

! U1 setvar "power.sleep.timeout" "1200"
! U1 setvar "device.languages" "line_print"
! U1 setvar "bluetooth.enable" "on"
! U1 setvar "bluetooth.friendly_name" "Zebra"
! U1 setvar "bluetooth.discoverable" "on"
! U1 setvar "bluetooth.minimum_security_mode" "1"
! U1 setvar "bluetooth.bonding" "on"
! U1 setvar "bluetooth.enable_reconnect" "iOS_only"
! U1 setvar "bluetooth.le.controller_mode" "off"
! U1 do "device.reset" ""