diff --git a/cura/Machines/Models/DiscoveredPrintersModel.py b/cura/Machines/Models/DiscoveredPrintersModel.py
index 7b4fe48221..7e0721fcbe 100644
--- a/cura/Machines/Models/DiscoveredPrintersModel.py
+++ b/cura/Machines/Models/DiscoveredPrintersModel.py
@@ -67,12 +67,25 @@ class DiscoveredPrinter(QObject):
 
     @pyqtProperty(bool, notify = machineTypeChanged)
     def isUnknownMachineType(self) -> bool:
-        return self.readableMachineType.lower() == "unknown"
+        from cura.CuraApplication import CuraApplication
+        readable_type = CuraApplication.getInstance().getMachineManager().getMachineTypeNameFromId(self._machine_type)
+        return not readable_type
 
     @pyqtProperty(QObject, constant = True)
     def device(self) -> "NetworkedPrinterOutputDevice":
         return self._device
 
+    @pyqtProperty(bool, constant = True)
+    def isHostOfGroup(self) -> bool:
+        return getattr(self._device, "clusterSize", 1) > 0
+
+    @pyqtProperty(str, constant = True)
+    def sectionName(self) -> str:
+        if self.isUnknownMachineType or not self.isHostOfGroup:
+            return catalog.i18nc("@label", "The printer(s) below cannot be connected because they are part of a group")
+        else:
+            return catalog.i18nc("@label", "Available networked printers")
+
 
 #
 # Discovered printers are all the printers that were found on the network, which provide a more convenient way
@@ -92,8 +105,20 @@ class DiscoveredPrintersModel(QObject):
     def discoveredPrinters(self) -> List["DiscoveredPrinter"]:
         item_list = list(
             x for x in self._discovered_printer_by_ip_dict.values() if not parseBool(x.device.getProperty("temporary")))
-        item_list.sort(key = lambda x: x.device.name)
-        return item_list
+
+        # Split the printers into 2 lists and sort them ascending based on names.
+        available_list = []
+        not_available_list = []
+        for item in item_list:
+            if item.isUnknownMachineType or getattr(item.device, "clusterSize", 1) < 1:
+                not_available_list.append(item)
+            else:
+                available_list.append(item)
+
+        available_list.sort(key = lambda x: x.device.name)
+        not_available_list.sort(key = lambda x: x.device.name)
+
+        return available_list + not_available_list
 
     def addDiscoveredPrinter(self, ip_address: str, key: str, name: str, create_callback: Callable[[str], None],
                              machine_type: str, device: "NetworkedPrinterOutputDevice") -> None:
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 809ed79c9c..b64d72d78d 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -5853,7 +5853,7 @@
                     "description": "The minimum size of a line segment after slicing. If you increase this, the mesh will have a lower resolution. This may allow the printer to keep up with the speed it has to process g-code and will increase slice speed by removing details of the mesh that it can't process anyway.",
                     "type": "float",
                     "unit": "mm",
-                    "default_value": 0.25,
+                    "default_value": 0.20,
                     "minimum_value": "0.001",
                     "minimum_value_warning": "0.02",
                     "maximum_value_warning": "2",
diff --git a/resources/qml/PrinterSelector/MachineSelectorButton.qml b/resources/qml/PrinterSelector/MachineSelectorButton.qml
index 98e2042448..c37823ba82 100644
--- a/resources/qml/PrinterSelector/MachineSelectorButton.qml
+++ b/resources/qml/PrinterSelector/MachineSelectorButton.qml
@@ -53,7 +53,7 @@ Button
                 verticalCenter: parent.verticalCenter
             }
             text: machineSelectorButton.text
-            color: UM.Theme.getColor("text")
+            color: enabled ? UM.Theme.getColor("text") : UM.Theme.getColor("small_button_text")
             font: UM.Theme.getFont("medium")
             visible: text != ""
             renderType: Text.NativeRendering
diff --git a/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml b/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml
index dc59ea05dd..884bd0a70e 100644
--- a/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml
+++ b/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml
@@ -68,6 +68,10 @@ Item
                 anchors.fill: parent
                 model: CuraApplication.getDiscoveredPrintersModel().discoveredPrinters
 
+                section.property: "modelData.sectionName"
+                section.criteria: ViewSection.FullString
+                section.delegate: sectionHeading
+
                 Component.onCompleted:
                 {
                     // Select the first one that's not "unknown" by default.
@@ -81,6 +85,23 @@ Item
                     }
                 }
 
+                Component
+                {
+                    id: sectionHeading
+
+                    Label
+                    {
+                        anchors.left: parent.left
+                        anchors.leftMargin: UM.Theme.getSize("default_margin").width
+                        height: UM.Theme.getSize("setting_control").height
+                        text: section
+                        font: UM.Theme.getFont("default")
+                        color: UM.Theme.getColor("small_button_text")
+                        verticalAlignment: Text.AlignVCenter
+                        renderType: Text.NativeRendering
+                    }
+                }
+
                 delegate: Cura.MachineSelectorButton
                 {
                     text: modelData.device.name
@@ -88,7 +109,7 @@ Item
                     width: networkPrinterListView.width
                     outputDevice: modelData.device
 
-                    enabled: !modelData.isUnknownMachineType
+                    enabled: !modelData.isUnknownMachineType && modelData.isHostOfGroup
 
                     printerTypeLabelAutoFit: true