ANSI INCITS ISO IEC 19798-2007 Method for the determination of toner cartridge yield for colour printers and multi-function devices that contain printer components.pdf

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1、INCITS/ISO/IEC 19798-20072008 (ISO/IEC 19798:2007, IDT) Method for the determination oftoner cartridge yield forcolour printers and multi-function devices that contain printer componentsINCITS/ISO/IEC 19798-20072008(INCITS/ISO/IEC 19798:2007, IDT)INCITS/ISO/IEC 19798-20072008 ii ITIC 2008 All rights

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5、ow. Adopted by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard. Date of ANSI Approval: 12/18/2008 Published by American National Standards Institute, 25 West 43rd Street, New York, New York 10036 Copyright 2008 by Information Technology Industry

6、 Council (ITI). All rights reserved. These materials are subject to copyright claims of International Standardization Organization (ISO), International Electrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council (ITI). Not for resale.

7、No part of this publication may be reproduced in any form, including an electronic retrieval system, without the prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of America INC

8、ITS/ISO/IEC 19798-20072008 ITIC 2008 All rights reserved iii Contents Page Foreword iv Introduction .v 1 Scope 1 2 Normative references .1 3 Terms and definitions 1 4 Test parameters and conditions 3 4.1 Set-up 3 4.2 Sample size .3 4.3 Print mode 4 4.4 Print environment .4 4.5 Paper .5 4.6 Maintenan

9、ce .5 4.7 Test files .5 5 Test methodology.5 5.1 Testing procedure 5 5.2 Procedure for handling a defective cartridge or printer .6 6 Determination of the yield value and declaration .6 6.1 Determination of the declared yield value .6 6.2 Test data reporting .7 6.3 Declaration of the yield 7 Annex A

10、 (informative) Examples of fade 9 Annex B (informative) Flow chart . 10 Annex C (normative) Sample reporting form . 12 Annex D (informative) Method for comparison of colour to ISO/IEC 19752 15 INCITS/ISO/IEC 19798-20072008 iv ITIC 2008 All rights reserved Foreword ISO (the International Organization

11、 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 the respective

12、 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 information te

13、chnology, 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 International Stand

14、ards 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 may be the s

15、ubject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 19798 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 28, Office equipment. This second edition cancels and replaces the first ed

16、ition (ISO/IEC 19798:2006), of which it constitutes a minor revision. INCITS/ISO/IEC 19798-20072008 ITIC 2008 All rights reserved v Introduction The purpose of this International Standard is to provide a process for determining the cartridge page yield for a given colour electrophotographic printer

17、model (i.e. all-in-one toner cartridges and toner cartridges without a photoconductor) using a standard office consumer type test suite. This test suite is not focused on printing of photographs, but is intended to be a sampling of typical office consumer pages. This International Standard prescribe

18、s the following: the test method that manufacturers, test labs, etc. use to determine 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 manufa

19、cturer. The cartridge yield is determined by an end of life judgment, or signalled with either of two phenomena: fade caused by depletion of the useable toner in the cartridge; or automatic printing stop caused by a toner out detection function. This International Standard will be used for the measu

20、rement of one of the contributions to cost per page (CPP). This International Standard does not directly measure CPP, only the yield of the magenta, cyan, yellow and black toner cartridges. In most cases, these are not the only contributors to the CPP. It is beyond the scope of this document to prov

21、ide a methodology for calculation of CPP. AMERICAN NATIONAL STANDARD INCITS/ISO/IEC 19798-20072008 ITIC 2008 All rights reserved 1 Method for the determination of toner cartridge yield for colour printers and multi-function devices that contain printer components 1 Scope The scope of this Internatio

22、nal Standard is limited to evaluation of toner cartridge page yield for toner-containing cartridges (i.e. all-in-one toner cartridges and toner cartridges without a photoconductor) for colour electrophotographic printers. This International Standard can also be applied to the printer component of an

23、y multifunctional device that has a digital input printing path, including multi-function devices that contain electrophotographic printer components. This International Standard is only intended for the measurement of toner cartridge page yield when printing on plain paper using cyan, magenta, yell

24、ow and black toner cartridges. No other claims can be made from this testing regarding quality, reliability, etc. This International Standard is not for use with printers whose minimum printable size is equal to or greater than A3 or for photo-only printers. NOTE Application of this International St

25、andard for yield measurement of toner replenishment systems (i.e. toner cartridge and bottle type systems where the toner reservoir is internal to the printing system and not user-replaceable) requires some procedural modifications specifically noted herein. This International Standard is intended f

26、or equipment used in the office space and does not apply to production volume or large format printing machines where the major cost of ownership is not caused by the consumable yield measured in this International Standard. 2 Normative references The following referenced documents are indispensable

27、 for the application 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 24712, Colour test pages for the measurement of office equipment consumable yield ISO/IEC 197

28、52, Information technology Method for the determination of toner cartridge yield for monochromatic electrophotographic 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 fade ph

29、enomenon in which a noticeable reduction in density (increase in lightness) uniformity in the bars around sides of the diagnostic page occurs NOTE 1 This does not have to be a distinct gap. NOTE 2 In this test, fade is defined as a noticeably lighter area, 3 mm or greater located in the bars around

30、the diagnostic page of the test suite. Generally, the lightening will occur parallel to the paper movement direction during printing. The determination of the change in lightness is to be made referenced to the 100th page (Diagnostic Page) printed for each cartridge in testing. For examples of fade,

31、 please consult Annex A. INCITS/ISO/IEC 19798-20072008 2 ITIC 2008 All rights reserved 3.2 shake procedure in the case that the cartridge users manual instructs cartridge shaking and its method, shaking the cartridge is performed according to the manual instructions NOTE If a shake procedure is used

32、 in testing it will be noted in the report. 3.3 toner low warning generated by the printing system when it has determined that the amount of toner is such that a cartridge change may be required soon NOTE It does not indicate that the system is out of toner. 3.4 toner out signal generated by the pri

33、nting system when the useable toner in the system is depleted and the printer will not continue printing without user intervention NOTE For the purpose of this test, the toner out signal will only be used if it causes the printer to stop printing. 3.5 end of life when the printer declares “toner out

34、” or when fade is observed NOTE 1 The general intent of this definition is to allow two shake procedures near end of life and to declare end of life at the first fade after the two shake procedures. Nominally, the shake procedures are to be executed at print fade. However, if the printer is equipped

35、 with a toner low device, then the first, second or both shake procedures can be executed at toner low instead of at fade as a convenience for the tester. If the cartridge users guide does not specify a shake procedure, then the shake procedures are not performed and end of life occurs at the first

36、fade. Any faded pages printed during the test are to be excluded from the cartridge page count. NOTE 2 If the printer is equipped with a toner out device, then end of life occurs when the printer declares toner out. However, when fade occurs before toner out and no shake procedure is specified, then

37、 end of life is declared at the fade. If a shake procedure is specified for a printer with a toner out device, then up to two shake procedures can be executed as described in Note 1 when fade occurs before toner out. In this case, if fade occurs after two shake procedures but before toner out, then

38、end of life is declared at the third fade. If toner out occurs at any time during testing, the cartridge is considered to be at end of life. NOTE 3 When applied to replenishment systems (bulk toner replacement or multi-part toner systems), the intent of this definition is to declare a quasi-end of c

39、artridge life at a regular predetermined point. If the printer is equipped with a toner low or toner out signal, these can be used as the point of quasi-end of life. In either case, the end of life condition chosen must be noted in the test report. NOTE 4 When shake procedures have been performed du

40、ring the test, the test report will note for both the first and second shake procedures whether they were done at toner low or at fade. Any faded pages printed during the test are to be excluded from the cartridge page count. NOTE 5 Application of this definition may be clarified by reference to a f

41、low chart and examples found in Annex B. 3.6 individual cartridge yield value determined by counting the number of diagnostic pages (page 5 of the ISO/IEC 24712 test suite) printed between cartridge installation and end of life (as defined in 3.5) and multiplying by 5 NOTE If the printer stops due t

42、o toner 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 suspended print job is included in the subsequent cartridge yield. The number of test page suites counted may contain some pages that show visible fade. To si

43、mplify the testing, determination of end of life is only made on the diagnostic page (page 5). 3.7 declared cartridge yield value at or below the lower 90 % confidence bound as prescribed in 6.1 and 6.3 INCITS/ISO/IEC 19798-20072008 ITIC 2008 All rights reserved 3 4 Test parameters and conditions 4.

44、1 Set-up Place the printer on a 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 specifie

45、d on the test report. Cartridge 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 recomm

46、ended for printer or driver settings. If the cartridges used in testing are toner replenishment or toner bottle types, then one set of toner cartridges will be used to end of life in each printer before the start of the test. The pages printed to deplete these priming cartridges do not have to be re

47、corded and printing can be conducted at any environment. The priming cartridges are used to bring the printing system to a set toner level condition. NOTE The cartridges used to bring the printing system to a set toner level condition do not have to start out full. For large capacity systems, using

48、a complete cartridge could result in tens of thousands of pages printed just to bring the system to a set condition. All image and print quality modifiers shall be at their factory pre-set configuration for the printer and default installed condition for the driver. If the printer and driver differ,

49、 then the driver defaults shall be used. Any user selectable toner conservation modes shall be disabled during testing. If auto media detection is available on the printer, it shall be disabled and media-type set to plain paper. This is to avoid inaccurate sensing of the media. If the printer under test uses an internal PDF interpreter, it is ok to use it as long as the printer defaults are set to not substitute fonts. If the internal interpreter is used, this shall be noted on the report. To assure that the test page is printed corre