BS ISO IEC 24712-2007 Colour test pages for measurement of office equipment consumable yield《测试办公室设备可消耗量用彩色测试页》.pdf
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1、BRITISH STANDARD BS ISO/IEC 24712:2006 Colour test pages for measurement of office equipment consumable yield ICS 37.100.10 BS ISO/IEC 24712:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007 ISBN 978 0 580 49974 6
2、National foreword This British Standard was published by BSI. It is the UK implementation of ISO/IEC 24712:2006. The UK participation in its preparation was entrusted to Technical Committee IST/3, IT printers and cartridges. A list of organizations represented on IST/3 can be obtained on request to
3、its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments Refe
4、rence number ISO/IEC 24712:2006(E)INTERNATIONAL STANDARD ISO/IEC 24712 First edition 2006-12-15 Colour test pages for measurement of office equipment consumable yield Pages dessai en couleur pour le mesurage du rendement des consommables des quipements de bureau ISO/IEC 24712:2006ii iii Contents Pag
5、e Foreword iv Introduction v 1 Scope. 1 2 Normative references. 1 3 Terms and definitions. 1 4 Conversion from PostScript to PDF . 2 5 Conversion from CMYK to RGB 4 6 Page Descriptions. 4 6.1 Business Letter. 5 6.2 Spreadsheet 7 6.3 Newsletter 13 6.4 Slide 17 6.5 Diagnostic 19 Annex A (informative)
6、Page 1 Business Letter 22 Annex B (informative) Page 2 Spread Sheet. 23 Annex C (informative) Page 3 Newsletter . 24 Annex D (informative) Page 4 Slide . 25 Annex E (informative) Page 5 Diagnostic . 26 Annex F (informative) LSA Logo Definition. 27 ISO/IEC 24712:2006iv Foreword ISO (the International
7、 Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by t
8、he respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of i
9、nformation technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft Intern
10、ational Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document
11、 may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 24712 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 28, Office equipment. ISO/IEC 24712:2006v Introduction The pur
12、pose of this international standard is to provide a set of test pages in a common file format that are used in the testing of cartridge yield for colour toner and colour ink. The focus of this test suite is not for printing of photographs, but is intended to be a sampling typical consumer pages. Thi
13、s international standard provides the procedure for using these pages are detailed in ISO/IEC 19798 and ISO/IEC 24711. ISO/IEC 24712:2006blank1 Colour test pages for measurement of office equipment consumable yield 1 Scope The scope of this International Standard is to define colour test pages for t
14、he measurement of consumable yield. The test page suite includes four “customer” type documents and one “diagnostic” page that is used to determine end of ink or toner consumable life. These pages can be used for electro-photographic, inkjet printers and multi-function devices that have a digital pr
15、inting path, i.e. an all-in-one electro-photographic machine that has digital printing capabilities. This International Standard provides a set of test pages in a common file format that would be used in the testing of consumable yield. The procedure for using these pages is detailed in ISO/IEC 1979
16、8 and ISO/IEC 24711. These pages are intended to represent some of the types of documents that are used in the office and home. They are not intended to represent special applications such as photo printing. 2 Normative references The following referenced documents are indispensable for the applicat
17、ion of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO/IEC 19798, Method for the determination of toner cartridge yield for colour printers and multi-function devices th
18、at contain printer components ISO/IEC 24711, Method for the determination of ink cartridge yield for colour inkjet printers and multi-function devices that contain printer components 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 test page s
19、uite collection of the five documents defined in this international standard NOTE There are four customer type documents and a diagnostic page to assess ink/toner out. They are meant to be printed as a single five page job. ISO/IEC 24712:20062 4 Conversion from PostScript to PDF The base files for t
20、he test pages are created in hand coded PostScript (PS). All five pages are included in a single PS file. This file is then converted to PDF version 1.3 and the fonts are embedded using Acrobat. The screen shots below show the configuration that is used to generate the final PDFs using Adobe Acrobat
21、 Standard version 7.0. ISO/IEC 24712:20063ISO/IEC 24712:20064 5 Conversion from CMYK to RGB All of the colours within the hand coded PS files are defined using setcmyk and a set of CMYK values to simplify colour balancing during test suite development. Most office work flows are RGB and the final PD
22、F files are intended to represent average office enviroments. To make sure that a well defined conversion from CMYK to RGB occurs, the conversion from CMYK to RGB is defined within the PS file. In some cases the internal conversion from CMYK to RGB can result in black elements being printed in a com
23、posite black instead of black colourant only. For this reason a defined method was established to convert from CMYK to RGB and preserve black only elelments. There are three cases that are considered: Case 1: C=Y=M=0; K R=G=B=K K is the only colour used, set RGB all to an equal value. Case 2: C=Y=M
24、R=G=B=C C, M and Y are equal (composite black) set RGB all to an equal value. Case 3: C, Y, M & K are all non-zero and not equal - In this case: R = 1.0 min(1.0, C + K) G = 1.0 min(1.0, M + K) B = 1.0 min(1.0, Y + K) This represents the majority of colour conversions. NOTE These color conversions ar
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