diff --git a/app/HGProductionTool/mainwindow.cpp b/app/HGProductionTool/mainwindow.cpp
index f4cbb7f..525ac9e 100644
--- a/app/HGProductionTool/mainwindow.cpp
+++ b/app/HGProductionTool/mainwindow.cpp
@@ -318,6 +318,8 @@ int MainWindow::sane_ex_callback(SANE_Handle hdev, int code, void *data, unsigne
     if (SANE_EVENT_DEVICE_ARRIVED == code)
     {
         SANE_Device_Ex* sane_dev = (SANE_Device_Ex*)data;
+
+        Sleep(5000);
         emit p->sane_dev_arrive(sane_dev->name);
     }
     else if (SANE_EVENT_DEVICE_LEFT == code)