diff --git a/plugins/MachineSettingsAction/MachineSettingsPrinterTab.qml b/plugins/MachineSettingsAction/MachineSettingsPrinterTab.qml
index d817450f41..045b8d1e99 100644
--- a/plugins/MachineSettingsAction/MachineSettingsPrinterTab.qml
+++ b/plugins/MachineSettingsAction/MachineSettingsPrinterTab.qml
@@ -208,6 +208,7 @@ Item
                 axisName: "x"
                 axisMinOrMax: "min"
                 allowNegativeValue: true
+                allowPositiveValue: false
 
                 forceUpdateOnChangeFunction: forceUpdateFunction
             }
@@ -227,6 +228,7 @@ Item
                 axisName: "y"
                 axisMinOrMax: "min"
                 allowNegativeValue: true
+                allowPositiveValue: false
 
                 forceUpdateOnChangeFunction: forceUpdateFunction
             }
@@ -245,7 +247,8 @@ Item
 
                 axisName: "x"
                 axisMinOrMax: "max"
-                allowNegativeValue: true
+                allowNegativeValue: false
+                allowPositiveValue: true
 
                 forceUpdateOnChangeFunction: forceUpdateFunction
             }
@@ -266,7 +269,8 @@ Item
 
                 axisName: "y"
                 axisMinOrMax: "max"
-                allowNegativeValue: true
+                allowNegativeValue: false
+                allowPositiveValue: true
 
                 forceUpdateOnChangeFunction: forceUpdateFunction
             }
diff --git a/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml b/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml
index 5921a39933..c46116e520 100644
--- a/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml
+++ b/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml
@@ -35,6 +35,7 @@ UM.TooltipArea
     property alias labelWidth: fieldLabel.width
     property alias unitText: unitLabel.text
 
+    property alias textField: textFieldWithUnit
     property alias valueText: textFieldWithUnit.text
     property alias valueValidator: textFieldWithUnit.validator
     property alias editingFinishedFunction: textFieldWithUnit.editingFinishedFunction
@@ -43,6 +44,8 @@ UM.TooltipArea
 
     // whether negative value is allowed. This affects the validation of the input field.
     property bool allowNegativeValue: false
+    // whether positive value is allowed. This affects the validation of the input field.
+    property bool allowPositiveValue: true
 
     // callback functions
     property var afterOnEditingFinishedFunction: dummy_func
@@ -153,7 +156,13 @@ UM.TooltipArea
             const value = propertyProvider.properties.value
             return value ? value : ""
         }
-        validator: RegExpValidator { regExp: allowNegativeValue ? /-?[0-9\.,]{0,6}/ : /[0-9\.,]{0,6}/ }
+        validator: DoubleValidator
+        {
+            bottom: allowNegativeValue ? Number.NEGATIVE_INFINITY : 0
+            top: allowPositiveValue ? Number.POSITIVE_INFINITY : 0
+            decimals: 6
+            notation: DoubleValidator.StandardNotation
+        }
 
         onEditingFinished: editingFinishedFunction()
 
diff --git a/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml b/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml
index 2eaaed4524..a08fa92c78 100644
--- a/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml
+++ b/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml
@@ -43,31 +43,48 @@ NumericTextFieldWithUnit
         {
             result = func(result, polygon[i][item])
         }
-        result = Math.abs(result)
         return result
     }
 
-    valueValidator: RegExpValidator { regExp: /[0-9\.,]{0,6}/ }
+    valueValidator: DoubleValidator {
+        bottom: allowNegativeValue ? Number.NEGATIVE_INFINITY : 0
+        top: allowPositiveValue ? Number.POSITIVE_INFINITY : 0
+        decimals: 6
+        notation: DoubleValidator.StandardNotation
+    }
+
     valueText: axisValue
 
+    Connections
+    {
+        target: textField
+        onActiveFocusChanged:
+        {
+            // When this text field loses focus and the entered text is not valid, make sure to recreate the binding to
+            // show the correct value.
+            if (!textField.activeFocus && !textField.acceptableInput)
+            {
+                valueText = axisValue
+            }
+        }
+    }
+
     editingFinishedFunction: function()
     {
         var polygon = JSON.parse(propertyProvider.properties.value)
-
         var newValue = parseFloat(valueText.replace(',', '.'))
+
         if (axisName == "x")  // x min/x max
         {
             var start_i1 = (axisMinOrMax == "min") ? 0 : 2
-            var factor = (axisMinOrMax == "min") ? -1 : 1
-            polygon[start_i1][0] = newValue * factor
-            polygon[start_i1 + 1][0] = newValue * factor
+            polygon[start_i1][0] = newValue
+            polygon[start_i1 + 1][0] = newValue
         }
         else  // y min/y max
         {
             var start_i1 = (axisMinOrMax == "min") ? 1 : 0
-            var factor = (axisMinOrMax == "min") ? -1 : 1
-            polygon[start_i1][1] = newValue * factor
-            polygon[start_i1 + 2][1] = newValue * factor
+            polygon[start_i1][1] = newValue
+            polygon[start_i1 + 2][1] = newValue
         }
         var polygon_string = JSON.stringify(polygon)
         if (polygon_string != propertyProvider.properties.value)
@@ -75,5 +92,8 @@ NumericTextFieldWithUnit
             propertyProvider.setPropertyValue("value", polygon_string)
             forceUpdateOnChangeFunction()
         }
+
+        // Recreate the binding to show the correct value.
+        valueText = axisValue
     }
 }