ISO IEC 19798:2017 pdf download – Information technology — Office equipment — Method for the determination of toner cartridge yield for colour printers and multi- function devices that contain printer components

03-04-2022 comment

ISO IEC 19798:2017 pdf download – Information technology — Office equipment — 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 document 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 print systems. This document can also be applied to the printer component of any multifunctional device that has a digital input printing path, including multi-function devices that contain electrophotographic printer components. This document is only intended for the measurement of toner cartridge page yield when printing on plain paper using cyan, magenta, yellow and black toner cartridges. No other claims can be made from this testing regarding quality, reliability, etc. This document is not for use with printers whose minimum printable size is equal to or greater than A3 or for photo-only printers. NOTE 1 Application of this document 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 document is intended for 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 document. NOTE 2 An all-in-one toner cartridge is a cartridge that includes at least: a toner containment part, a photoreceptor part and a developer part (see ISO/IEC 29142-1). 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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 measurement of office equipment consumable yield 3 Terms and definitions For the purposes of this document, the following terms and definitions app
3.2 shake procedure specified method to carry out shaking of a cartridge according to the user manual Note 1 to entry: If a shake procedure is used in testing, it will be noted in the report. 3.3 toner low signal generated by the printer when it has been detected that the amount of toner is such that a toner change will be required soon Note 1 to entry: It does not indicate that the system is out of toner. 3.4 toner out signal generated by the printer when the toner in the system is depleted and the printer is incapable of reliable printing without user intervention Note 1 to entry: For the purpose of this test, the toner out signal will only be used if it causes the printer to stop printing and requires toner replacement to continue printing. 3.5 end of life when the printer declares “toner out” (3.4) or when fade (3.1) is observed 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 (3.5) and multiplying by 5 Note 1 to entry: If the printer stops due to toner out (3.4) 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 (3.1). To simplify the testing, determination of end of life (3.5) 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

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