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ISO

ISO/IEC 19752:2025

(Main)

Information technology — Office equipment — Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components

Information technology — Office equipment — Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components

This document is limited to the evaluation of toner cartridge page yield for toner containing cartridges (i.e. all-in-one toner cartridges and toner cartridges without a photoconductor) for monochrome 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 printer components. This document is only intended for the measurement of toner cartridge yield. No other claims may 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. 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) implies 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 1 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). NOTE 2 This document can be used for the measurement of one of the contributions to cost per page (CPP). This document does not directly measure CPP, only the yield of the toner cartridges. In most cases, these are not the only contributors to the CPP. It is beyond the scope of this document to provide a methodology for calculation of CPP.

Technologies de l'information — Équipement de bureau — Méthode pour la détermination du rendement des cartouches de toner pour les imprimantes électrophotographiques monochromatiques et pour les dispositifs multifonctionnels qui contiennent des composants d'imprimantes

General Information

Status
Published
Publication Date
19-Nov-2025
ICS
37.100.10 - Reproduction equipment
Technical Committee
ISO/IEC JTC 1/SC 28 - Office equipment
Drafting Committee
ISO/IEC JTC 1/SC 28/WG 2 - Consumables
Current Stage
6060 - International Standard published
Start Date
20-Nov-2025
Due Date
01-Dec-2025
Completion Date
20-Nov-2025
Ref Project
ISO/IEC 19752:2025 - Information technology — Office equipment — Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components Released:20. 11. 2025ISO/IEC 19752:2025 - Information technology — Office equipment — Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components Released:20. 11. 2025
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ISO/IEC 19752:2025 - Information technology — Office equipment — Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components Released:20. 11. 2025
English language
24 pages
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Standards Content (Sample)


International
Standard
ISO/IEC 19752
Third edition
Information technology —
2025-11
Office equipment — Method
for the determination of toner
cartridge yield for monochromatic
electrophotographic printers and
multi-function devices that contain
printer components
Technologies de l'information — Équipement de bureau —
Méthode pour la détermination du rendement des cartouches
de toner pour les imprimantes électrophotographiques
monochromatiques et pour les dispositifs multifonctionnels qui
contiennent des composants d'imprimantes
Reference number
© ISO/IEC 2025
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO/IEC 2025 – All rights reserved
ii
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test parameters and conditions . 2
4.1 Set-up.2
4.2 Sample size .3
4.3 Print mode .3
4.4 Print environment .3
4.5 Paper .4
4.6 Maintenance .4
4.7 Test file .4
4.8 End of life .5
5 Test methodology . 5
5.1 Testing procedure .5
5.2 Procedure for handling a defective cartridge or printer .6
5.2.1 General .6
5.2.2 Defective cartridge .6
5.2.3 Defective printer .6
6 Determination of the yield value and declaration . 6
6.1 Determination of the declared cartridge yield value .6
6.2 Test data reporting .7
6.3 Declaration of the yield .7
Annex A (informative) Examples of fade . 8
Annex B (informative) Process flowchart and examples . 9
Annex C (normative) Standard test page .13
Annex D (normative) Sample reporting form . 19
Annex E (informative) Comparison of yield for two printing systems .22
Bibliography .24

© ISO/IEC 2025 – All rights reserved
iii
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 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 and IEC, also take part in the work.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of document should be noted. This document was drafted in accordance with the editorial rules of the ISO/
IEC Directives, Part 2 (see www.iso.org/directives or www.iec.ch/members_experts/refdocs).
ISO and IEC draw attention to the possibility that the implementation of this document may involve the
use of (a) patent(s). ISO and IEC take no position concerning the evidence, validity or applicability of any
claimed patent rights in respect thereof. As of the date of publication of this document, ISO and IEC had not
received notice of (a) patent(s) which may be required to implement this document. However, implementers
are cautioned that this may not represent the latest information, which may be obtained from the patent
database available at www.iso.org/patents and https://patents.iec.ch. ISO and IEC shall not be held
responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www.iso.org/iso/foreword.html.
In the IEC, see www.iec.ch/understanding-standards.
This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 28, Office equipment.
This third edition cancels and replaces the second edition (ISO/IEC 19752:2017), which has been technically
revised.
The main changes are as follows:
— the Scope was limited ” This document is not for use with printers whose minimum printable size is
equal to or greater than A3 or for photo-only printers”;
— editorial changes;
— requirements were added in 4.4 regarding environmental conditions.
Any feedback or questions on this document should be directed to the user’s national standards
body. A complete listing of these bodies can be found at www.iso.org/members.html and
www.iec.ch/national-committees.

© ISO/IEC 2025 – All rights reserved
iv
Introduction
The purpose of this document is to provide a process for determining the page yield for toner cartridges for
monochromatic print systems using a standard office consumer type test page. In the case where a cartridge
can be used in multiple printer models, only one yield test is performed as long as the difference between
printer models does not impact yield.
A cartridge supplier can choose to use more than one market identifier for a single physical cartridge. In this
case, only one yield test is performed as long as there are no differences in the cartridges other than market
identifiers.
This document prescribes the following:
— the test method that manufacturers, test laboratories, etc. used to determine cartridge yield;
— the method for determination of declared yield values from the test results;
— the appropriate method of describing the yield of cartridges in the documentation supplied to the
consumer by the manufacturer.
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.
NOTE A comparison of yield for two printing systems is shown in Annex E.

© ISO/IEC 2025 – All rights reserved
v
International Standard ISO/IEC 19752:2025(en)
Information technology — Office equipment — Method for
the determination of toner cartridge yield for monochromatic
electrophotographic printers and multi-function devices that
contain printer components
1 Scope
This document is limited to the evaluation of toner cartridge page yield for toner containing cartridges
(i.e. all-in-one toner cartridges and toner cartridges without a photoconductor) for monochrome
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
printer components.
This document is only intended for the measurement of toner cartridge yield. No other claims may 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.
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)
implies 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 1 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).
NOTE 2 This document can be used for the measurement of one of the contributions to cost per page (CPP). This
document does not directly measure CPP, only the yield of the toner cartridges. In most cases, these are not the only
contributors to the CPP. It is beyond the scope of this document to provide a methodology for calculation of CPP.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
fade
phenomenon whereby a noticeable reduction in density uniformity across the page occurs
Note 1 to entry: In this test, fade is defined
...

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