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.
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 Enable or Disable for Copy. Press OK.
After you have set Copy, repeat this step for Scan, USB Direct and PC Print.
When you have finished changing settings, press or to choose Exit and press OK.
or 
to choose