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# Using the LDAP Authentication and Address Search Functions

By configuring the LDAP settings, you will be able to use the LDAP authentication and address search functions.

LDAP authentication

LDAP authentication enables you to prevent unauthorized access to the machine, by limiting its use to users who can log in to the machine with correct login user names and passwords.

The table below shows the functions that require users to log in and functions that will be disabled under LDAP authentication.

Function | Details
--- | ---
Entering the [User Tools] menu | Without logging in, users can only check supplies status. The user must log in to the machine from the control panel.
Copier function Scanner function Fax function | No operation is possible without logging in. The user must log in to the machine from the control panel.
Printing (using the PCL6 printer driver) Sending faxes via LAN-Fax TWAIN scanning | No job will be processed without logging in. The user must log in to the machine from the printer, LAN-Fax, or TWAIN driver.
Printing (using the PostScript 3 printer driver) WIA scanning | Will be disabled at all times.

LDAP address search

LDAP address search allows you to retrieve addresses from the server when using the scanner or fax functions.

- LDAP authentication and user restriction settings can be used in combination, except for printing using the PCL6 printer driver and sending LAN-Faxes. Under LDAP authentication, users will only be able to authenticate for PCL6 printing and LAN-Faxes using user names and passwords for the LDAP server, not user codes for the user restriction settings.

- For details about how to log in to the machine when LDAP authentication is specified, see When LDAP Authentication is Specified.

- For details about supplies status information, see System Settings.

- For details about user restriction settings, see Restricting Machine Functions According to User.

Related topics

Programming the LDAP Server
When LDAP Authentication is Specified
Specifying the LDAP Address Search Conditions