GB/T 28626-2012Methods of evaluation for image quality of hardcopy by color copiers (English PDF)
彩色复印机图像质量评价方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 31, 2012
Implementation date
November 1, 2012
Scope
GB/T 28626-2012 is the English-translated version of 彩色复印机图像质量评价方法.
GB/T 28626-2012 is the Chinese standard "Methods of evaluation for image quality of hardcopy by color copiers". Its scope clause reads: This standard specifies the method for evaluation of image quality color copying products.
This standard applies to the evaluation of color xerographic copiers printing image quality and consumable materials. (Eg. a photoconductor drum, developer, etc.) related to India Product image quality assessment can select one part of the project.
Other color device that contains the copy function can use and reference. Its clauses include terms and definitions; test environment and conditions.
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Document preview — GB/T 28626-2012
National Standard of the People's Republic of China
- ICS
- 37.100.01
- Classification
- N 47
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 test environment and conditions
- 5 test equipment and materials
- 6 Evaluation Item
- 7 Test Method
- Appendix A (normative) friction tester basic requirements
1 Scope
This standard specifies the method for evaluation of image quality color copying products.
This standard applies to the evaluation of color xerographic copiers printing image quality and consumable materials. (Eg. a photoconductor drum, developer, etc.) related to India
Product image quality assessment can select one part of the project. Other color device that contains the copy function can use and reference.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 13963-2008 copier term
GB/T 28625-2012 color copier Beta
3 Terms and Definitions
GB/T 28625-2012 and GB/T 13963-2008 defined and the following terms and definitions apply to this document.
3.1 Color point extraneousmarks
All-white version of the product legible copy of the toner particles or aggregates.
3.2 White Point voids
Full-color version of the product on the blank copy legible or gap.
4 test environment and conditions
4.1 Test Environment
Test environment are as follows.
a) Ambient temperature. 18 °C ~ 28 °C;
Relative Humidity. 40% - 60%.
b) test stand illumination. 500lx ~ 1500lx.
c) lighting source. CIE standard illuminant D50.
4.2 Test Conditions
4.2.1
specimens should 4.1a) specified laboratory test environment placed 2h, before testing.
4.2.2
The observer must evaluate color or non-color-blind color weakness of normal color vision observer.
4.2.3
Sample tested on three plain white copy paper were observed.
4.2.4
Where the use of a reflection densitometer measurements, and should pave the way five samples of the same batch of copy paper in the sample, and the state are measured ISO A
The absolute density values.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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