enum PrinterStatus
{
 其他狀態= 1,
 未知,
 空閑,
 正在打印,
 預熱,
 停止打印,
 打印中,
 離線
}

/// <summary>
  /// 獲取打印機的當前狀態
  /// </summary>
  /// <param name="PrinterDevice">打印機設備名稱</param>
  /// <returns>打印機狀態</returns>
  private PrinterStatus GetPrinterStat(string PrinterDevice)
  {
   PrinterStatus ret=0;
   string path=@"win32_printer.DeviceId='"+PrinterDevice+"'";
   ManagementObject printer=new ManagementObject(path);
   printer.Get();
   ret=(PrinterStatus)Convert.ToInt32(printer.Properties["PrinterStatus"].Value);
   return ret;
  }

MessageBox.Show(GetPrinterStat("http:////192.168.0.88//Samsung SCX-4x16 Series").ToString());