Dell 3115cn Color Laser Printer - Manual (Page 265)

Disable*
Does not limit access to the Copy, Scan, and Fax menus.
Enable
Limits access to the Copy, Scan, and Fax menus.
Copy/Scan/Fax Lock/Change Password
Purpose:
To set a password to limit access to the Copy, Scan, and Fax menus.
Values:
0000-9999
0000*
Secure Receive/Secure Receive Set
NOTE: Before enabling Secure Receive, ensure that Panel Lock is enabled.
Purpose:
To set a password when you print received fax documents.
Values:
Disable*
Does not limit when you print received fax documents.
Enable
Limits when you print received fax documents.
Secure Receive/Change Password
Purpose:
To set a password when you receive a fax.
Values: