when i  send print only get TEST  (iMZ320)

We are using plugin phonegap: When i send print only get TEST label, but if change language in app PRINTER SETUP (zebra app) to ZPL print OK if print second ticket i get try again TEST label.

 

cordova.plugins.zbtprinter.print("AC:3F:A4:1F:1B:FA", "! U1 setvar \"device.languages\" \"line_print\"\r\nTEXT ***Print test***\r\nPRINT\r\n",

       function(success) {

            alert("Print ok");

       }, function(fail) {

            alert(fail);

       }

  );