Теперь без шела работает

Example.Shared/IPrinterFactory.cs

@@ -4,13 +4,12 @@ using mROA.Implementation.Attributes;
 namespace Example.Shared
 {
     [SharedObjectInterface]
-    public interface IPrinterFactory
+    public interface IPrinterFactory  : IShared
     {
         IPrinter Create(string printerName);
         void Register(IPrinter printer);
         IPrinter GetPrinterByName(string printerName);
         IPrinter GetFirstPrinter();
         string[] CollectAllNames();
-
     }
 }