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Learn about how HP measures printer speed  >  ISO/IEC 24734 Method for Measuring Digital Printing Productivity

ISO/IEC 24735 Method for Measuring Digital Copying Productivity


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Many digital copying devices produce copied pages at a different rate than their nominal speed when running with different modes (simplex, duplex, copying quality modes), black-and-white versus color, different substrate weight and collating and/or finishing options.

ISO/IEC 24735 specifies a method for measuring the productivity of digital copying devices using varying characteristics on plain paper in default mode. It is applicable to black-and-white and color devices, regardless of print technology. (e.g. inkjet, laser, etc)

ISO/IEC 24735 allows manufacturers of digital copying devices to measure the productivity of different digital copying devices with a standard measurement method.

ISO/IEC 24735 is only applicable to devices that include an automatic document feeder and the ability to collate a 4 page job. However, the standard includes Annex D which provides information and guidance on how to test a device without an ADF or collation. See ISO/IEC 24735 Annex D page for more information

Testing Overview

Tests are conducted with the device set to plain paper with the quality level at the factory default. For color devices, black-and-white tests are run by setting the device to copy in black-only mode. Testing is done 1:1 mode, as well as 1:2 and 2:2 modes if automatic two-sided printing and scanning is standard on the device.

Four-page test document is copied from the automatic document feeder and the device is set for collated output.

Adobe Reader™ Test File

Three different job lengths are tested

  1. Short Jobs
    • 1 set
  2. Medium Jobs
    • 1 set plus about 30 seconds of additional copying
  3. Long Jobs
    • 1 set plus about 4 minutes of additional copying

Three different methods of timing are used

  1. Time from the initiation of the copy job until the last page (4th page) of the first set lands in the output tray
    • The time resulting from this measurement is referred to as First Set Out Time (FSOT).
  2. Time from the initiation of the copy job until the last page of the job lands in the output tray
    • A PPM resulting from this measurement is referred to as Effective Throughput (EFTP).
  3. Time from when the last page in the first set (4th page) lands in the output tray until the last page of the job lands in the output tray.
    • A PPM resulting from this measurement is referred to as Estimated Saturated Throughput (ESAT).

The following results are reported

  • FSOT for the short job.
  • EFTP for the short, medium and long jobs.
  • ESAT for the medium job. HP generally advertises the average single-sided ESAT PPM.

B&W maximum speed footnote

The ISO/IEC 24735 report for some products may include a footnote indicating that the black-and-white copy speed is limited to a maximum speed for some countries. If so, the following countries are affected:

Albania, Algeria, Angola, Armenia, Austria, Azerbaijan, Bahrain, Belarus, Belgium, Benin, Bosnia and Herzegovina, Botswana, Bulgaria, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Congo, Cote D’Ivoire, Croatia, Cyprus, Czech Republic, Denmark, Djibouti, Egypt, Estonia, Ethiopia, Finland, France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Guadeloupe, Guinea, Hungary, Iceland, Ireland, Israel, Italy, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Latvia, Lebanon, Lesotho, Liberia, Lithuania, Luxembourg, Macedonia, Madagascar, Mali, Malta, Martinique, Mauritania, Mauritius, Mongolia, Morocco, Mozambique, Namibia, Netherlands, Niger, Nigeria, Norway, Oman, Poland, Portugal, Qatar, Republic of Moldova, Reunion, Romania, Russian Federation, Rwanda, Saudi Arabia, Senegal, Serbia and Montenegro, Sierra Leone, Slovakia, Slovenia, Somalia, South Africa, Spain, Sweden, Switzerland, Syrian Arab Republic, Tajikistan, Tanzania, Togo, Tunisia, Turkey, Turkmenistan, Ukraine, United Arab Emirates, United Kingdom, United Republic of Uganda, Uzbekistan, Yemen, Zambia, Zimbabwe.

What is ISO?

ISO (International Organization for Standardization) is the world's largest developer and publisher of International Standards.

ISO is a network of the national standards institutes of 157 countries, one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system.

ISO is a non-governmental organization that forms a bridge between the public and private sectors. Many of its member institutes are part of the governmental structure of their countries, or are mandated by their government. Other members have their roots uniquely in the private sector, having been set up by national partnerships of industry associations.

Therefore, ISO enables a consensus to be reached on solutions that meet both the requirements of business and the broader needs of society. For more information on ISO see www.iso.org Non-HP site.

Details of the ISO/IEC printing standards are available at www.iso.org Non-HP site.

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