How to change the bizhub paper Tray Priority Selection

On the Device −

Utility/Counter −

Option (2) User Settings −

Option (1) System Settings −

Option (3) Paper Tray Settings −

Option (1) Auto Tray Selection −

At the left of the screen under "Auto Tray Select", un-select all of the trays − Now re-select the trays in the new priority order − OK − Close to exit