Add project files.

EpsonPrintService/EpsonPrintService.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.22" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.1" />
+    <PackageReference Include="Ninject" Version="3.3.6" />
+    <PackageReference Include="Serilog" Version="4.3.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="10.0.0" />
+    <PackageReference Include="Serilog.Sinks.Console" Version="6.1.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Inspectron.Epson\Inspectron.Epson.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="config.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="epson.service">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="start.sh">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="test.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

EpsonPrintService/IPrintJobSource.cs

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+using System.Threading.Channels;
+
+namespace EpsonPrintService;
+
+public interface IPrintJobSource
+{
+    Task<PrintJob> GetNextJobAsync(CancellationToken cancellationToken);
+}

EpsonPrintService/Program.cs

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+using Inspectron.Epson;
+using Microsoft.AspNetCore.SignalR.Client;
+using Microsoft.Extensions.Logging;
+using Ninject;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Threading.Channels;
+using Inspectron.Epson.PrintServer;
+using Inspectron.Epson.PrintServer.ConfigurationSources;
+using Inspectron.Epson.PrintServer.JobSources;
+using Inspectron.Epson.PrintServer.PrinterAssinment;
+using Inspectron.Epson.PrintServer.Printers;
+using Inspectron.Epson.PrintServer.PrintServices;
+
+StandardKernel kernel = new StandardKernel();
+
+//var config = new EpsonPrintServiceConfiguration()
+//{
+//    GroupId = "67e534f8e86e816689323023",
+//    RestaurantId = "63e37295bd6f26dbd36164c0"
+//};
+//File.WriteAllText("config.json",JsonSerializer.Serialize(config,new JsonSerializerOptions(){WriteIndented = true}));
+var config = JsonSerializer.Deserialize<EpsonPrintServiceConfiguration>(
+    File.ReadAllText("config.json"));
+kernel.Bind<EpsonPrintServiceConfiguration>().ToConstant(config);
+
+kernel.Bind<IPrintJobSource, SignalRPrintJobSource>().To<SignalRPrintJobSource>().InSingletonScope();
+kernel.Bind<IPrintService>().To<Inspectron.Epson.PrintServer.PrintServices.EpsonPrintService>();
+kernel.Bind<ILogger>().ToMethod(ctx =>
+{
+    var loggerFactory = LoggerFactory.Create(builder =>
+    {
+        builder.AddConsole();
+    });
+    return loggerFactory.CreateLogger("EpsonPrintService");
+});
+kernel.Bind<IAssignedPrinterRepository>().ToConstant(config);
+kernel.Bind<IPrinterFactory>().To<PrinterFactory>().InSingletonScope();
+kernel.Bind<IPrinterConfigurationSource>().To<FixedConfigurationSource>();
+kernel.Bind<PrintServer>().ToSelf().InSingletonScope();
+var printLoop = kernel.Get<PrintLoop>();
+var printServer = kernel.Get<PrintServer>();
+
+printServer.RegisterPrinter("127.0.0.1");
+
+
+await printLoop.StartAsync();
+
+
+var cts = new CancellationTokenSource();
+Console.CancelKeyPress += (sender, e) =>
+{
+    Console.WriteLine("\nShutting down...");
+    e.Cancel = true;
+    cts.Cancel();
+};
+
+try
+{
+    await Task.Delay(Timeout.Infinite, cts.Token);
+}
+catch (TaskCanceledException)
+{
+    // Expected when Ctrl+C is pressed
+}
+

EpsonPrintService/config.json

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+{
+  "GroupId": "67e534f8e86e816689323023",
+  "RestaurantId": "63e37295bd6f26dbd36164c0",
+  "PrinterConfigurations": {}
+}

EpsonPrintService/epson.service

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+[Unit]
+Description=epson service
+
+[Service]
+Restart=always
+RestartSec=1
+WorkingDirectory=/home/pi/epson_service/
+Type=simple
+ExecStart=/bin/bash /home/pi/epson_service/start.sh
+
+[Install]
+WantedBy=multi-user.target

EpsonPrintService/postinst

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+chmod +x start.sh
+cp -rf epson.service /etc/systemd/system/epson.service
+systemctl enable epson.service
+systemctl start epson.service
+systemctl daemon-reload

EpsonPrintService/prem

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+systemctl stop epson.service
+systemctl disable epson.service

EpsonPrintService/start.sh

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+#!/bin/bash
+/root/.dotnet/dotnet /home/oem/epson_service/EpsonPrintService.dll