upd

Program.cs

@@ -159,7 +159,7 @@ internal class Program
         {
             return (false, ex.Message);
         }
-        if (cntBillets > 15)
+        if (cntBillets > 5)
         {
             return (false, $"Заготовок в стане - {cntBillets}");
         }

RemovingBillets.cs

@@ -81,7 +81,7 @@ public class RemovingBillets
             {
                 ct.ThrowIfCancellationRequested();
                 await SendToRoll(product.ProductId, conn, ct);
-                Thread.Sleep(5000);
+                Thread.Sleep(10000);
             }
 
             return true;