private void PrintHeadOrderTypeForm_Load(object sender, EventArgs e)
        {
            PrintHeadOrder headOrder = new PrintHeadOrder();

            if (EpsonLCD.GetPrintHeadOrder(ref headOrder))
            {
                for (int i = 0; i < headBoardPorts.Count; i++)
                {
                    headBoardPorts[i].OnSettingChanged(headOrder.Order, i);
                }
            }
        }