diff --git a/DiscoverUM3Action.py b/DiscoverUM3Action.py
index 3d69a8c118..c4ffdb8472 100644
--- a/DiscoverUM3Action.py
+++ b/DiscoverUM3Action.py
@@ -39,6 +39,11 @@ class DiscoverUM3Action(MachineAction):
             self._network_plugin.printerListChanged.connect(self._onPrinterDiscoveryChanged)
             self.printersChanged.emit()
 
+    ##  Re-filters the list of printers.
+    @pyqtSlot()
+    def reset(self):
+        self.printersChanged.emit()
+
     @pyqtSlot()
     def restartDiscovery(self):
         # Ensure that there is a bit of time after a printer has been discovered.
@@ -75,7 +80,14 @@ class DiscoverUM3Action(MachineAction):
     @pyqtProperty("QVariantList", notify = printersChanged)
     def foundDevices(self):
         if self._network_plugin:
+            if Application.getInstance().getGlobalContainerStack():
+                global_printer_type = Application.getInstance().getGlobalContainerStack().getBottom().getId()
+            else:
+                global_printer_type = "unknown"
+
             printers = list(self._network_plugin.getPrinters().values())
+            # TODO; There are still some testing printers that don't have a correct printer type, so don't filter out unkown ones just yet.
+            printers = [printer for printer in printers if printer.printerType == global_printer_type or printer.printerType == "unknown"]
             printers.sort(key = lambda k: k.name)
             return printers
         else:
diff --git a/DiscoverUM3Action.qml b/DiscoverUM3Action.qml
index 219ec25f25..a80ed1d179 100644
--- a/DiscoverUM3Action.qml
+++ b/DiscoverUM3Action.qml
@@ -228,7 +228,26 @@ Cura.MachineAction
                     {
                         width: parent.width * 0.5
                         wrapMode: Text.WordWrap
-                        text: true ? catalog.i18nc("@label", "Ultimaker 3") : catalog.i18nc("@label", "Ultimaker 3 Extended")
+                        text:
+                        {
+                            if(base.selectedPrinter)
+                            {
+                                if(base.selectedPrinter.printerType == "ultimaker3")
+                                {
+                                    return catalog.i18nc("@label", "Ultimaker 3")
+                                } else if(base.selectedPrinter.printerType == "ultimaker3_extended")
+                                {
+                                    return catalog.i18nc("@label", "Ultimaker 3 Extended")
+                                } else
+                                {
+                                    return catalog.i18nc("@label", "Unknown") // We have no idea what type it is. Should not happen 'in the field'
+                                }
+                            }
+                            else
+                            {
+                                return ""
+                            }
+                        }
                     }
                     Label
                     {
diff --git a/NetworkPrinterOutputDevice.py b/NetworkPrinterOutputDevice.py
index f57637af1f..2eb126d966 100644
--- a/NetworkPrinterOutputDevice.py
+++ b/NetworkPrinterOutputDevice.py
@@ -167,10 +167,10 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
         self._compressing_print = False
 
         printer_type = self._properties.get(b"machine", b"").decode("utf-8")
-        if printer_type == "9511.0":
-            self._updatePrinterType("UM3Extended")
-        elif printer_type == "9066.0":
-            self._updatePrinterType("UM3")
+        if printer_type.startswith("9511"):
+            self._updatePrinterType("ultimaker3_extended")
+        elif printer_type.startswith("9066"):
+            self._updatePrinterType("ultimaker3")
         else:
             self._updatePrinterType("unknown")