6/20/2008 4.0 Major Updated and revised the technical content. 7/25/2008 4.0.1 Editorial Changed language and formatting in the technical content. 8/29/2008 5.0 Major Updated and revised the technical content. 10/24/2008 5.0.1 Editorial Changed language and formatting in the technical content. 12/5/2008 5.1 Minor Clarified the meaning of the technical content. 1/16/2009 5.1.1 Editorial Changed language and formatting in the technical content. 2/27/2009 5.1.2 Editorial Changed language and formatting in the technical content. 4/10/2009 5.1.3 Editorial Changed language and formatting in the technical content. 5/22/2009 5.1.4 Editorial Changed language and formatting
in the technical content. 7/2/2009 5.2 Minor Clarified the meaning of the technical content. 8/14/2009 5.3 Minor Clarified the meaning of the technical content. 9/25/2009 5.4 Minor Clarified the meaning of the technical content. 11/6/2009 5.4.1 Editorial Changed language and formatting in the technical content. 12/18/2009 5.4.2 Editorial Changed language and formatting in the technical content. 1/29/2010 5.5 Minor Clarified the meaning of the technical content. 3/12/2010 5.5.1 Editorial Changed language and formatting in the technical content. 4/23/2010 5.5.2 Editorial Changed language and formatting in the technical content. 6/4/2010 5.6 Minor Clarified the meaning of
5/6/2011 8.0 Major Updated and revised the technical content. 6/17/2011 8.1 Minor Clarified the meaning of the technical content. 9/23/2011 8.2 Minor Clarified the meaning of the technical content. 12/16/2011 9.0 Major Updated and revised the technical content. 3/30/2012 9.0 None No changes to the meaning, language, or formatting of the technical content. 7/12/2012 9.0 None No changes to the meaning, language, or formatting of the technical content. 10/25/2012 9.0 None No changes to the meaning, language, or formatting of the technical content. 1/31/2013 9.0 None No changes to the meaning, language, or formatting of the
technical content. 8/8/2013 10.0 Updated and revised the technical content. 11/14/2013 10.0 None No changes to the meaning, language, or formatting of the technical content. 2/13/2014 10.0 None No changes to the meaning, language, or formatting of the technical content. 5/15/2014 10.0 None No changes to the meaning, language, or formatting of the technical content. 6/30/2015 11.0 Major Significantly changed the technical content. 10/16/2015 11.0 None No changes to the meaning, language, or formatting of the technical content. 7/14/2016 11.0 None No changes to the meaning, language, or formatting of the
technical content. 6/1/2017 11.0 None No changes to the meaning, language, or formatting of the technical content. 9/15/2017 12.0 Major Significantly changed the technical content. 9/12/2018 13.0 Significantly changed the technical content.
Index A Abstract data model 17 20 Administrative 17 18 19 17 17 20 18 17 11 18 20 17 12 B 9 C 12 29 Client 20 21 21 23 21 20 11 21 23 21 Connections 18 19 D Data model - abstract 17 20 15 14 15 10 17 16 E 16 24 F 12 G 6 H Higher-layer triggered events 17 21 I 26 26 26 9 Initialization 17 21 6 L Local events 20 23 M Message processing 18 21 Messages 15 14 13 13 N 9 O 20 9 9 P 26 26 12 12 Printers 18 14 19