# ISO/TS 18621-31:2020 — Withdrawn and superseded ISO standards

For ISO/TS 18621-31:2020, item title is Graphic technology — Image quality evaluation methods for printed matter — Part 31: Evaluation of the perceived resolution of printing systems with the Contrast–Resolution chart; status code is 9599; successor is ISO/TS 18621-31:2024; withdrawn / published date is 2020-12-11, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 18621-31:2020 _(verified: appears in the quote below)_
- **Item title:** Graphic technology — Image quality evaluation methods for printed matter — Part 31: Evaluation of the perceived resolution of printing systems with the Contrast–Resolution chart _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/TS 18621-31:2024
- **Withdrawn / published date:** 2020-12-11 _(verified: appears in the quote below)_

## What the source says

> 65434,TS,,ISO/TS 18621-31:2020,Graphic technology — Image quality evaluation methods for printed matter — Part 31: Evaluation of the perceived resolution of printing systems with the Contrast–Resolution chart,Technologie graphique — Méthodes d’évaluation de la qualité d’image pour les imprimés — Partie 31: Évaluation de la résolution perçue des systèmes d’impression avec un graphique de contraste–résolution,2020-12-11,1,['37.100.10'],ISO/TC 130,9599,,[84128],['en'],35,"<p>This document specifies the Contrast?Resolution test chart, the requirements on the printing process needed to reproduce this test chart, the required characteristics of a high resolution scanner needed to digitize the info

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).