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1、BRITISH STANDARD BS ISO/IEC 24711:2006 Method for the determination of ink cartridge yield for colour inkjet printers and multi-function devices that contain printer components ICS 37.100.10 ? Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 20
2、07, Uncontrolled Copy, (c) BSI BS ISO/IEC 24711:2006 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 49973 9 National foreword This British Standard was published by BSI. It is the UK implementation of
3、ISO/IEC 24711:2006. 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 its secretary. This publication does not purport to include all the necessary provisions of a
4、 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. DateComments Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT
5、+00:00 2007, Uncontrolled Copy, (c) BSI Reference number ISO/IEC 24711:2006(E) INTERNATIONAL STANDARD ISO/IEC 24711 First edition 2006-12-15 Method for the determination of ink cartridge yield for colour inkjet printers and multi-function devices that contain printer components Mthode pour la dtermi
6、nation du rendement de cartouche dencre pour les imprimantes couleur jet dencre et pour les dispositifs multifonctionnels qui peuvent contenir des composants dimprimantes BS ISO/IEC 24711:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 20
7、07, Uncontrolled Copy, (c) BSI ii Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 4 Test parameters
8、and conditions . 3 4.1 Set-up. 3 4.2 Sample size . 4 4.3 Print mode . 4 4.4 Print environment. 5 4.5 Paper 5 4.6 Maintenance 5 4.7 Test files 6 5 Test methodology. 6 5.1 Testing procedure. 6 5.2 Procedure for handling streaks. 7 5.3 Procedure for handling a defective cartridge, printhead or printer
9、8 6 Determination of the declared yield value and declaration 9 6.1 Yield of primary cartridges 9 6.2 Yield of supplemental cartridges 10 6.3 Test data reporting . 11 6.4 Declaration of the yield 12 Annex A (informative) Examples of fade 18 Annex B (informative) Examples of streaks 19 Annex C (norma
10、tive) Testing reporting form 20 Annex D (informative) Process flowchart 24 Annex E (informative) Method for comparison of inkjet performance to ISO/IEC 19752 26 BS ISO/IEC 24711:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 2007, Uncont
11、rolled Copy, (c) BSI iv Foreword ISO (the International 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
12、Standards through technical committees established by the 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
13、 and IEC, also take part in the work. In the field of information 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 commit
14、tee is to prepare International Standards. Draft International 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
15、 possibility that some of the elements of this document 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 24711 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 28, Off
16、ice equipment. BS ISO/IEC 24711:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI v Introduction The purpose of this International Standard is to provide a process for determining the ink cartridge yield for
17、 a given colour inkjet printer model (i.e. integrated ink cartridges and ink cartridges without integrated printheads) using a standard consumer type test suite. Ink cartridge yields determined on one printer model and cartridge configuration are not applicable to another printer model or cartridge
18、configuration even if the ink jet cartridges used in testing are the same. This test page suite is not focused on printing of photographs, but is intended to be a sampling typical business consumer pages. This International Standard prescribes the following: The test method that manufacturers, test
19、labs, etc. use to determine ink cartridge yield; The method for determination of declared yield values from the test results; and The appropriate method of describing the yield of cartridges in documentation supplied to the consumer by the manufacturer. The cartridge yield is determined by an end of
20、 life judgement, or signalled with either of two phenomena: fade, caused by depletion of ink in the cartridge, or automatic printing stop, caused by an Ink Out detection function. It is envisioned that one of the uses of this International Standard will be for the calculation of cost per page (CPP).
21、 While this International Standard measures a portion of this cost, it is not used as the sole component of CPP calculation. Additional factors are considered for CPP calculations. BS ISO/IEC 24711:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GM
22、T+00:00 2007, Uncontrolled Copy, (c) BSI blank Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 1 Method for the determination of ink cartridge yield for colour inkjet printers and multi-function devices that co
23、ntain printer components 1 Scope The scope of this International Standard is limited to evaluation of ink cartridge page yield for ink-containing cartridges (i.e. integrated ink cartridges and ink cartridges without integrated print heads) for colour inkjet printers. This International Standard can
24、also be applied to the printer component of any multifunctional device that has a digital input printing path, including multi-function devices that contain inkjet printer components. Both liquid and solid ink products can be tested using this International Standard. This International Standard is o
25、nly intended for the measurement of ink cartridge page yield when printing on plain paper. No other claims can be made from this testing regarding quality, reliability, etc. This International Standard can be used to measure the yield of any cartridge that is used in a significant amount during the
26、printing of the test suite defined in ISO/IEC 24712. This International Standard is not for use with printers whose minimum printable size is equal to or greater than A3 or for printers designed or configured to print photos (for example, maximum printable size less than A4 or a printer configuratio
27、n intended for photo only printing). In addition, it only applies to drop on demand printing systems. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the la
28、test edition of the referenced document (including any amendments) applies. ISO/IEC 24712 Colour test pages for the measurement of office equipment consumable yield ISO/IEC 19752, Information technology Method for the determination of toner cartridge yield for monochromatic electrophotgraphic printe
29、rs 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 fade phenomenon in which a significant reduction in uniformity occurs due to ink depletion NOTE 1 In this test, fade is defined by a
30、 significant increase in lightness, L*, or a decrease in density on the bands surrounding the edge of the last page in the test page suite (Diagnostic Page). This decrease in density does not have to occur completely across the page. This comparison is made using the second diagnostic test page gene
31、rated during testing (the 10th page printed). For examples of fade, please consult Annex A. BS ISO/IEC 24711:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 2 NOTE 2 In some printer systems, fade can occur
32、 prematurely due to the way that ink is provided to the printing system. If a printer exhibits fade, a five minute pause is allowed to provide for recovery of the ink delivery system and printing can continue. If fade appears on the next suite, then the cartridge is judged at end of life and the add
33、itional diagnostic page printed is not counted in the yield calculation. If fade does not appear on the next diagnostic page, then printing can continue until the next fade or ink out is encountered and the additional diagnostic pages will be counted. 3.2 streaks very thin lines of colour, other tha
34、n intended in the bands surrounding the edge of the last page in the test page suite (Diagnostic Page) NOTE Streaks differ from fade in the width and severity of increase in lightness, L*, or reduction in density. Streaks can appear due to a number of reasons, thermal issues and clogged nozzles bein
35、g two of the main causes. If these streaks occur in three consecutive diagnostic pages, then a streak removal operation is required. Comparisons are made using the phenomena sample provided in Annex B 3.3 streak removal operation procedure used to restore the print performance by removing streaks NO
36、TE If streaks are observed on three consecutive diagnostic pages, first the printer can be left idle for five minutes. Then an additional three test suites are printed. If the streaks are still observed, then a streak removal operation is conducted according to the latest printer manufacturer docume
37、ntation. Due to the significant amount of ink that is used for cleaning, the maximum permissible number of times that the streak removal operation can be used on a given cartridge is prescribed in 5.2.1.2. All test page suites printed during this process will be included in the page count for determ
38、ining the yield. 3.4 print head alignment operation function that aligns newly installed print heads NOTE If it is mandatory according to the latest printer manufacturer documentation, this operation is performed during testing. The pages used in the alignment procedure are not counted in the measur
39、ement of yield. 3.5 ink low warning generated by the printing system when it has determined that the amount of ink is such that a cartridge change may be required soon NOTE It does not indicate that the system is out of ink. 3.6 ink out signal generated by the printing system when the useable ink in
40、 the system is depleted and the printer stops printing 3.7 end of life a condition determined by one of two mechanisms: fade as defined in 3.1, or ink out as defined in 3.6. NOTE For cartridges with more than one colour of ink in a single cartridge, end of life is defined when the first colour withi
41、n the cartridge exhibits fade or ink out. In the event that the printer can continue printing after ink out is reported, the cartridge will still be considered at end of life. BS ISO/IEC 24711:2006 Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:12:42 GMT+00:
42、00 2007, Uncontrolled Copy, (c) BSI 3 3.8 test page suite series of five pages defined by ISO/IEC 24712 that are printed consecutively as a single job, ending with a diagnostic page 3.9 individual cartridge yield value determined by counting the number of diagnostic pages (last page of the test page
43、 suite) printed between cartridge installation and end of life (as defined in 3.7) and multiplying by five NOTE 1 If the printer stops due to ink out in the middle of a test page suite, the number of the diagnostic pages printed is counted. Then, the first diagnostic page of the remaining print job
44、is included in the subsequent cartridge yield. NOTE 2 The number of test page suites counted may contain some pages that show visible fade. To simplify the testing, determination of end of life is only made on the diagnostic page (last page of the test page suite). 3.10 declared cartridge yield at o
45、r below the lower 90 % confidence bound of the mean as prescribed in section 6.1 and 6.3. 3.11 primary cartridge cartridge containing full density black, cyan, magenta or yellow ink or a combination of full density cyan, magenta and yellow NOTE These colours represent the primary inks used in a trad
46、itional four-colour printing process. 3.12 supplemental cartridge cartridge other than the full density cyan, magenta, yellow and black cartridges NOTE The determination of yield for a supplemental cartridge is made according to 6.2. 4 Test parameters and conditions 4.1 Set-up Place the printer on a
47、 horizontal surface and set-up the printer according to the installation guide provided in the printer users manual. Use the most recent printer driver available from the manufacturers website or the supplied driver with the printer. The driver version will be specified on the test report. Cartridge
48、 installation shall be completed following the instructions in the cartridge installation guide. If there is a contradiction between the printer and cartridge manuals for the cartridge installation, the cartridge manual will take precedence except if changes are recommended for printer or driver set
49、tings. At the start of the test, all printers shall be set-up using a set of priming cartridges to insure that the ink used in testing is primarily for printing, not for initial priming/cleaning. After the printer is set-up according to the manufacturers instructions, the priming cartridges shall be used to print a minimum of 25 pages, 5 cycles of the standard test page suite. The priming cartridges shall be removed and replaced with new cartridges that will be used for testing yield. The
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