There are two methods to call POS printer to print PrintGuestCheck PayBill_Print using Microsoft.AspNetCore.Identity; using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc.Rendering; using Microsoft.EntityFrameworkCore; using System; using System.Collections.Generic; using System.Linq; using System.Security.Claims; using System.Threading.Tasks; using Tawoon.IT_SoftwareTemplate.BusinnessModels.BaseVM.Dashboard; using Tawoon.IT_SoftwareTemplate.BusinnessModels.Enum; using Tawoon.IT_SoftwareTemplate.Entities; using Tawoon.IT_SoftwareTemplate.Entities.Models; using System.IO; using System.Drawing.Printing; using System.Drawing; using System.Net.Sockets; using System.Text; using Microsoft.AspNetCore.Hosting; using Tawoon.IT_SoftwareTemplate.BusinnessModels.BaseVM; using Microsoft.Extensions.Options; using Tawoon.IT_SoftwareTemplate.Helper; using Microsoft.AspNetCore.Http; using System.Drawing.Imaging; namespace Tawoon.IT_SoftwareTemplate.Controllers { public class Dashboard...