lib/easyzpl/label.rb
def reset_barcode_fields_to_default
      label_data.push('^BY' + Integer(self.barcode_default_module_width).to_s + ',' +
                      Float(self.barcode_default_width_ratio).to_s + ',' +
                      Integer(self.barcode_default_height).to_s)
    end
def reset_barcode_fields_to_default
      label_data.push('^BY' + Integer(self.barcode_default_module_width).to_s + ',' +
                      Float(self.barcode_default_width_ratio).to_s + ',' +
                      Integer(self.barcode_default_height).to_s)
    end
Some barcodes, such as QR codes may change document defaults.  These may be reset
 to the document defaults.