diff --git a/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py b/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
index 395741391a..d052d925d2 100644
--- a/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
+++ b/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
@@ -84,10 +84,11 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         self._account = api_client.account
 
         # We use the Cura Connect monitor tab to get most functionality right away.
-        self._monitor_view_qml_path = os.path.join(
-            PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
-            "resources", "qml", "MonitorStage.qml"
-        )
+        if PluginRegistry.getInstance() is not None:
+            self._monitor_view_qml_path = os.path.join(
+                PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
+                "resources", "qml", "MonitorStage.qml"
+            )
 
         # Trigger the printersChanged signal when the private signal is triggered.
         self.printersChanged.connect(self._clusterPrintersChanged)
diff --git a/plugins/UM3NetworkPrinting/src/ClusterUM3OutputDevice.py b/plugins/UM3NetworkPrinting/src/ClusterUM3OutputDevice.py
index df668c2b20..6ca6b0cd10 100644
--- a/plugins/UM3NetworkPrinting/src/ClusterUM3OutputDevice.py
+++ b/plugins/UM3NetworkPrinting/src/ClusterUM3OutputDevice.py
@@ -65,10 +65,11 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
         self._print_jobs = [] # type: List[UM3PrintJobOutputModel]
         self._received_print_jobs = False # type: bool
 
-        self._monitor_view_qml_path = os.path.join(
-            PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
-            "resources", "qml", "MonitorStage.qml"
-        )
+        if PluginRegistry.getInstance() is not None:
+            self._monitor_view_qml_path = os.path.join(
+                PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
+                "resources", "qml", "MonitorStage.qml"
+            )
 
         # Trigger the printersChanged signal when the private signal is triggered
         self.printersChanged.connect(self._clusterPrintersChanged)
@@ -129,11 +130,12 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
 
     def _spawnPrinterSelectionDialog(self):
         if self._printer_selection_dialog is None:
-            path = os.path.join(
-                PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
-                "resources", "qml", "PrintWindow.qml"
-            )
-            self._printer_selection_dialog = self._application.createQmlComponent(path, {"OutputDevice": self})
+            if PluginRegistry.getInstance() is not None:
+                path = os.path.join(
+                    PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
+                    "resources", "qml", "PrintWindow.qml"
+                )
+                self._printer_selection_dialog = self._application.createQmlComponent(path, {"OutputDevice": self})
         if self._printer_selection_dialog is not None:
             self._printer_selection_dialog.show()
 
diff --git a/plugins/UM3NetworkPrinting/src/LegacyUM3OutputDevice.py b/plugins/UM3NetworkPrinting/src/LegacyUM3OutputDevice.py
index dd100d7433..2c7c33d382 100644
--- a/plugins/UM3NetworkPrinting/src/LegacyUM3OutputDevice.py
+++ b/plugins/UM3NetworkPrinting/src/LegacyUM3OutputDevice.py
@@ -77,10 +77,11 @@ class LegacyUM3OutputDevice(NetworkedPrinterOutputDevice):
 
         self.setIconName("print")
 
-        self._monitor_view_qml_path = os.path.join(
-            PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
-            "resources", "qml", "MonitorStage.qml"
-        )
+        if PluginRegistry.getInstance() is not None:
+            self._monitor_view_qml_path = os.path.join(
+                PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
+                "resources", "qml", "MonitorStage.qml"
+            )
 
         self._output_controller = LegacyUM3PrinterOutputController(self)