diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py
index c814a11dc1..50ade0b45c 100644
--- a/plugins/CuraEngineBackend/CuraEngineBackend.py
+++ b/plugins/CuraEngineBackend/CuraEngineBackend.py
@@ -388,7 +388,7 @@ class CuraEngineBackend(QObject, Backend):
 
     ##  Convenient function: set need_slicing, emit state and clear layer data
     def needSlicing(self):
-        self._need_slicing = True  # For now only for debugging purposes
+        self._need_slicing = True
         self.processingProgress.emit(0.0)
         self.backendStateChange.emit(BackendState.NotStarted)
         if not self._use_timer:
diff --git a/resources/qml/SaveButton.qml b/resources/qml/SaveButton.qml
index 02a84fdf28..d49a1412a0 100644
--- a/resources/qml/SaveButton.qml
+++ b/resources/qml/SaveButton.qml
@@ -28,8 +28,7 @@ Item {
         switch(base.backendState)
         {
             case 1:
-                return "";
-                //return catalog.i18nc("@label:PrintjobStatus", "Preparing to slice...");
+                return catalog.i18nc("@label:PrintjobStatus", "Ready to slice");
             case 2:
                 return catalog.i18nc("@label:PrintjobStatus", "Slicing...");
             case 3:
@@ -119,7 +118,7 @@ Item {
             id: prepareButton
 
             tooltip: UM.OutputDeviceManager.activeDeviceDescription;
-            //enabled: (base.backendState == 3 || base.backendState == 5) && base.activity == true
+            // 1 = not started, 2 = Processing
             enabled: (base.backendState == 1 || base.backendState == 2) && base.activity == true
             visible: {
                 return !autoSlice && (base.backendState == 1 || base.backendState == 2) && base.activity == true;
@@ -131,6 +130,7 @@ Item {
             anchors.right: parent.right
             anchors.rightMargin: UM.Theme.getSize("default_margin").width
 
+            // 1 = not started, 5 = disabled
             text: [1, 5].indexOf(UM.Backend.state) != -1 ? catalog.i18nc("@label:Printjob", "Prepare") : catalog.i18nc("@label:Printjob", "Cancel")
             onClicked:
             {
@@ -198,6 +198,7 @@ Item {
             id: saveToButton
 
             tooltip: UM.OutputDeviceManager.activeDeviceDescription;
+            // 3 = done, 5 = disabled
             enabled: (base.backendState == 3 || base.backendState == 5) && base.activity == true
             visible: {
                 return autoSlice || ((base.backendState == 3 || base.backendState == 5) && base.activity == true);
@@ -277,6 +278,7 @@ Item {
             anchors.rightMargin: UM.Theme.getSize("default_margin").width
             width: UM.Theme.getSize("save_button_save_to_button").height
             height: UM.Theme.getSize("save_button_save_to_button").height
+            // 3 = Done, 5 = Disabled
             enabled: (base.backendState == 3 || base.backendState == 5) && base.activity == true
             visible: (devicesModel.deviceCount > 1) && (base.backendState == 3 || base.backendState == 5) && base.activity == true