Index: src/atcore.h
===================================================================
--- src/atcore.h
+++ src/atcore.h
@@ -293,7 +293,7 @@
      * @param fileName: the gcode file to print.
      * @param sdPrint: set true to print fileName from Sd card
      */
-    void print(const QString &fileName, bool sdPrint);
+    void print(const QString &fileName, bool sdPrint = false);
 
     /**
      * @brief Stop the Printer by empting the queue and aborting the print job (if running)
Index: testclient/mainwindow.h
===================================================================
--- testclient/mainwindow.h
+++ testclient/mainwindow.h
@@ -191,14 +191,6 @@
      */
     void sdDelPBClicked();
 
-signals:
-    /**
-     * @brief printFile emit ready to print a file to atcore
-     * @param fileName : the file to print
-     * @param sdPrint : True if file is on printers Sd Card
-     */
-    void printFile(const QString &fileName, bool sdPrint = false);
-
 private:
     Ui::MainWindow *ui;
     AtCore *core;
Index: testclient/mainwindow.cpp
===================================================================
--- testclient/mainwindow.cpp
+++ testclient/mainwindow.cpp
@@ -413,7 +413,7 @@
             addLog(tr("No File Selected"));
         } else {
             addLog(tr("Print: %1").arg(fileName));
-            emit(printFile(fileName));
+            core->print(fileName);
         }
         break;