Public user mode restricts the functions that are available for Public users. Public users do not need to enter a password to access the features made available through this setting. You can set up one Public user.
1
Press Menu, 1, 6, 1.
2
Press or to choose Setup ID.
Press OK.
3
Enter the administrator password.
Press OK.
4
Press or to choose Public.
Press OK.
5
Press or to choose On or Off for Fax Tx.
Press OK.
After you have set Fax Tx, repeat this step for Fax Rx, Copy, Scan, USB Direct, PC Print and Color Print. When the LCD shows Exit, press OK.
or 
to choose