When enabling access control, only the registered user will be able to use the printer.
Access Web Config and select the Product Security tab > Access Control Settings > Basic.
Select Enables Access Control.
If you select Allows printing and scanning without authentication information, you can print or scan from the drivers that are not set with the authentication information. Set it when you want to control the operation only from the printer's control panel and to permit printing and scanning from the computers.
Click OK.
The completion message is displayed after a certain period of time.
Confirm that the icons such as copy and scan are grayed out on the printer's control panel.