Restricts the applications that can access the printer. The applications that can be restricted depends on the model.
On a computer connected to the same network as the printer, open a browser and enter the printer's IP address.
You can check the printer's IP address using the following menu.
Enter the administrator password to log in as an administrator.
Select the following menu.
Product Security tab > Application
Clear the checkboxes for the applications you want to restrict.
Click OK.
To cancel the restriction in the future, simply select the application you want to allow.