You can clean up stale iPrint objects by using the /opt/novell/iprint/bin/iprintcleanup.pl -s <source_server> -u <source_user(FDN format)> --ssl --port <LDAP_Port> -f <filename> command.
-h | --help
Print the summary
-s | --src <source_server>
Source server IP address.
-u | --src-user <user>
Admin user FDN for the source server. For example, cn=admin,o=novell.
-p | --src-pass <pswd>
Password of the source server admin user.
-f | --renamed-printers-file <filename>
Filename to clean up. For example, /etc/opt/novell/iprint/conf/renamed_printer_objects.
--ssl
Use this option if SSL is enabled on the server.
--port
LDAP enabled port.