http://www.rfc-editor.org/rfc/rfc3712.txt
RFC 3712: Lightweight Directory Access Protocol (LDAP): Schema for Printer Services, P. Fleming, I. McDonald2004-02-01T23:00:00-00:00This document defines a schema, object classes and attributes, for printers and printer services, for use with directories that support Lightweight Directory Access Protocol v3 (LDAP-TS). This document is based on the printer attributes listed in Appendix E of Internet Printing Protocol/1.1 (IPP) (RFC 2911). A few additional printer attributes are based on definitions in the Printer MIB (RFC 1759). This memo provides information for the Internet community.