Get Printer List of System in c# Self Host WCF with Window Service

 public string GetPrinter()
        {
            try
            {
                // USING WMI. (WINDOWS MANAGEMENT INSTRUMENTATION)
                StringBuilder cmbPrinterList = new StringBuilder();
                System.Management.ManagementScope objMS =
                    new System.Management.ManagementScope(ManagementPath.DefaultPath);
                objMS.Connect();

                SelectQuery objQuery = new SelectQuery("SELECT * FROM Win32_Printer");
                ManagementObjectSearcher objMOS = new ManagementObjectSearcher(objMS, objQuery);
                System.Management.ManagementObjectCollection objMOC = objMOS.Get();

                foreach (ManagementObject Printers in objMOC)
                {
                    if (Convert.ToBoolean(Printers["Local"]))       // LOCAL PRINTERS.
                    {
                        cmbPrinterList.Append(Printers["Name"] + ",");
                    }
                    if (Convert.ToBoolean(Printers["Network"]))     // ALL NETWORK PRINTERS.
                    {
                        cmbPrinterList.Append(Printers["Name"] + ",");
                    }
                }
                if (!string.IsNullOrEmpty(cmbPrinterList.ToString()))
                    return cmbPrinterList.ToString().Remove(cmbPrinterList.ToString().Length - 1);
                else
                    return string.Empty;
            }
            catch (Exception ex)
            {
                EventLog e = new EventLog("Print Error");
                e.WriteEntry("Failed in GetPrinter, Reason:" + ex.Message);
                throw new FaultException(ex.ToString());
            }
        }