In order for the soft Logout button to function while in the Billing Code application, do the following:
Log in to the MFP as the System Administrator.
On the MFP Service screen, touch Tools.
On the Tools screen, go to Authentication/Security Settings > User Detail Setup.
On the User Detail Setup screen, select Logout Confirmation Screen, and
touch Change Settings.
On the Change Settings screen, select Enabled, and then touch
Save.
Touch Close on all the system setting and administrator screens to
return to the MFP Service screen. The Release All
application button now appears on the screen with the other function
button.
Touch the Admin icon on the top-right of the screen, and touch
Logout.