browser.Print();

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Drawing.Printing;
using System.Runtime.InteropServices;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            foreach (var item in PrinterSettings.InstalledPrinters)
            {
                Console.WriteLine(item.ToString());
            }
            string pname = "Nuance PDF";
            myPrinters.SetDefaultPrinter(pname);
            PrintHelpPage();
            Console.ReadKey();
        }

    public static class myPrinters
    {
        [DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern bool SetDefaultPrinter(string Name);

    }

    public static void PrintHelpPage()
        {
            var th = new Thread(() => {
                var br = new WebBrowser();
                br.DocumentCompleted += PrintDocument;
                br.Navigate("http://oneguggenheim/compliance/Pages/EAA/EAAConsolidatedForm.aspx?AttestationTaskID=65033");
                Application.Run();
            });
            th.SetApartmentState(ApartmentState.STA);
            th.Start();
        }

        public static void PrintDocument(object sender,
            WebBrowserDocumentCompletedEventArgs e)
        {
            var browser = sender as WebBrowser;
            // Print the document now that it is fully loaded.
            browser.Print();
            Console.WriteLine("Natigated to {0}", e.Url);
            // Dispose the WebBrowser now that the task is complete.
            browser.Dispose();
        }
    }
}