T/GDPCIA 008-2024 Width measurement method for printed product lines

Scope

Scope: This document specifies the method for measuring the line width of printed products. This document is applicable to office equipment (printers, copiers, fax machines, and multifunctional devices) with inkjet or electrostatic imaging, and their compatible consumables (drum and toner cartridges, inkjet cartridges) for measuring the line width of printed products or the thinnest line width, as well as comparing the line width of different printed products. Main technical content: 4. Principle 5. Test conditions 5.1 Test environment conditions 5.2 Office equipment and consumables 5.3 Office equipment parameter settings 5.4 Test plate 5.5 Copy paper 5.6 Scanner 5.7 Test preparation 6. Test steps 6.1 Scanning 6.2 Converting scanned images into text files 6.3 Line width calculation 7. Precision 8. Test report Appendix A (informative): Quick reference table of image density and reflectance Appendix B (normative): Line width test plate B.1 Test plate pattern B.2 Test plate structural elements and dimensions Appendix C (informative): Schematic diagram of the gray distribution of each pixel point in inkjet printed lines

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