You are allowed to configure which sub-icon items to display on which corner of devices on the floor map (except for the top right corner that displays the outcome for the device).
For the other corners, you can select the drop-down values of "A3 Device, Connectivity, Print Technology, Secure Pull Print, and Lock Tray" with default values as shown in the below image:
The sub-icons items are selected in the Basic and Advanced tabs of the Asset Property window.