From the Embedded Web Server, click Settings > Security > Login Methods.
From the Public section, click Manage Permissions.
Expand Function Access, and then select Copy Function and Fax Function.
Expand Apps, and then select the applications.
Click Save.
From the Embedded Web Server, click Settings or Configuration.
Depending on your printer model, do either of the following:
Click Security > Security Setup > Access Controls > Function Access.
Click Security > Edit Security Setups > Access Controls.
Set the application, copy, and fax function to No Security.
Click Submit.