diff --git a/cura/PrinterOutput/ConfigurationModel.py b/cura/PrinterOutput/ConfigurationModel.py
index 633986a65c..8138543d7b 100644
--- a/cura/PrinterOutput/ConfigurationModel.py
+++ b/cura/PrinterOutput/ConfigurationModel.py
@@ -40,11 +40,19 @@ class ConfigurationModel(QObject):
     def buildplateConfiguration(self):
         return self._buildplate_configuration
 
+    def __str__(self):
+        info =  "Printer type: " + self.printerType + "\n"
+        info += "Extruders: [\n"
+        for configuration in self.extruderConfigurations:
+            info += "   " + str(configuration) + "\n"
+        info += "]"
+        return info
+
     def __eq__(self, other):
         return hash(self) == hash(other)
 
     def __hash__(self):
-        extruder_hash = hash(0)
+        extruder_hash = hash(self.extruderConfigurations[0])    # Use the hash of the first extruder as a seed
         for configuration in self.extruderConfigurations:
-            extruder_hash ^= configuration.__hash__()
-        return hash(self.printerType) ^ extruder_hash ^ hash(self.buildplateConfiguration)
\ No newline at end of file
+            extruder_hash ^= hash(configuration)
+        return hash(self._printer_type) ^ extruder_hash ^ hash(self._buildplate_configuration)
\ No newline at end of file
diff --git a/cura/PrinterOutput/ExtruderConfigurationModel.py b/cura/PrinterOutput/ExtruderConfigurationModel.py
index 4871dca3cc..7aa8785ae9 100644
--- a/cura/PrinterOutput/ExtruderConfigurationModel.py
+++ b/cura/PrinterOutput/ExtruderConfigurationModel.py
@@ -35,8 +35,13 @@ class ExtruderConfigurationModel(QObject):
     def hotendID(self):
         return self._hotend_id
 
+    def __str__(self):
+        if self._material is None or self._hotend_id is None:
+            return "No information"
+        return "Position: " + str(self._position) + " - Material: " + self._material + " - HotendID: " + self._hotend_id
+
     def __eq__(self, other):
         return hash(self) == hash(other)
 
     def __hash__(self):
-        return hash(self.position) ^ hash(self.material) ^ hash(self.hotendID)
\ No newline at end of file
+        return hash(self._position) ^ hash(self._material) ^ hash(self._hotend_id)
\ No newline at end of file
diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 7d5e00f0b5..39962690bb 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -191,8 +191,9 @@ class MachineManager(QObject):
 
     @pyqtSlot(QObject, result = bool)
     def matchesConfiguration(self, configuration: ConfigurationModel) -> bool:
-        # print("@@@@@@@@@@@@@@@@@@", configuration.extruderConfigurations)
-        # print("##################", self._current_printer_configuration.extruderConfigurations, configuration == self._current_printer_configuration)
+        # print(configuration)
+        # print(self._current_printer_configuration)
+        # print("%%%%%%%%", configuration == self._current_printer_configuration)
         return self._current_printer_configuration == configuration
 
     @property