Apple Mac OS X Server (Administrator’s Guide) - Manual (Page 314)

314 Chapter 6
To restrict access to a specific printer:
1 Open Workgroup Manager.
2 Use the At pop-up menu to find the directory domain that contains the account you want,
then click Preferences.
3 Click the lock and enter your user name and password.
4 Select a user, group, or computer account in the account list, then click the Printing
preference icon.
5 Select a management setting (Once or Always). This setting applies to all Printing preference
options.
6 Click Access.
7 Select a printer in the user’s printer list, then select “Require administrator password.”
8 Click Apply Now.