Index: sources/gui/qml/pages/pretreatment/PreTreatmentConsumablesStack.qml
===================================================================
diff -u -r4f87126626b76aa04ddcf2ae92e04e118cdcbe01 -r695e95aa2ec5e6e1c395567449ac0f671ecd61ed
--- sources/gui/qml/pages/pretreatment/PreTreatmentConsumablesStack.qml	(.../PreTreatmentConsumablesStack.qml)	(revision 4f87126626b76aa04ddcf2ae92e04e118cdcbe01)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentConsumablesStack.qml	(.../PreTreatmentConsumablesStack.qml)	(revision 695e95aa2ec5e6e1c395567449ac0f671ecd61ed)
@@ -41,7 +41,7 @@
     }
 
     PreTreatmentBase { id: _preTreatmentConsumablesSelfTest
-        header.confirmVisible   : true
+        header.confirmVisible   : false /* the state shall automatically change after user confirms the consumables installation */
         header.confirmEnabeled  : vPreTreatmentStates.selfTestConsumables_complete
         isComplete              : vPreTreatmentStates.selfTestConsumables_complete
         title.text              : qsTr("Consumables Self Test")
@@ -61,11 +61,14 @@
     }
 
     Connections { target: _preTreatmentConsumablesInstall
-        onConfirmClicked                            : {                                             page( _preTreatmentConsumablesSelfTest          )}
+        onConfirmClicked                            : {
+            vPreTreatmentAdjustmentConsumablesConfirm.doConfirm()
+            page( _preTreatmentConsumablesSelfTest )
+        }
     }
 
     Connections { target: _preTreatmentConsumablesSelfTest
-        onConfirmClicked                            : {}
+        onConfirmClicked                            : { /* the state shall automatically change after user confirms the consumables installation */ }
     }
 
     onVisibleChanged: {