GB/T 21199-2024Dry developer for laser printers (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

This document replaces GB/T 21199-2007 "Dry single-component developers for laser printers" and GB/T 21201-2007 "Laser printers This document is based on GB/T 21199-2007 and integrates some contents of GB/T 21201-2007.

Compared with GB/T 21199-2007, in addition to structural adjustments and editorial changes, the main technical changes are as follows.

-- Changed the relevant content of "scope" (see Chapter 1, Chapter 1 of the 2007 edition);

-- Changed the relevant contents of "Terms and Definitions" (see Chapter 3, Chapter 3 of the 2007 edition);

--Added an overview of the different requirements for single-component and two-component items (see 4.1);

-- Changed the requirements and test methods of "working environment conditions" and "packaging and transportation resistance and transportation and storage performance" and merged them into "environmental Environmental adaptability" (see 4.16 and 5.19, 4.1, 4.2, 4.13, 5.1 and 5.11 of the 2007 edition);

-- Changed the technical requirements and test methods for "coarse particles" (see 4.3 and 5.6, 4.4 and 5.3 of the 2007 edition);

-- Changed the technical requirements and test methods for "particle size distribution" (see 4.4 and 5.7, 4.5 and 5.4 of the 2007 edition);

-- Added technical requirements and test methods for "water content" (see 4.6 and 5.9);

-- Changed the technical requirements and test methods for "melt index or softening point" (see 4.7 and 5.10, 4.8 and 5.7 of the 2007 edition);

-- Changed the technical requirements and test methods for "agglutination degree" (see 4.8.1 and 5.11.1, 4.6 and 5.5 of the 2007 edition);

-- Added technical requirements and test methods for "bulk density" (see 4.8.2 and 5.11.2);

-- The technical requirements and test methods for "charge-to-mass ratio" have been changed (see 4.9 and 5.12, 4.7 and 5.6 of the 2007 edition);

-- Added technical requirements and test methods for "toner concentration" (see 4.10 and 5.13);

-- Added technical requirements and test methods for "fluidity" (see 4.11 and 5.14);

--Added the limit requirements and test methods for "TVOC and benzene" (see 4.12.1 and 5.15.1);

-- Changed the limit requirements and test methods for "styrene" (see 4.12.1 and 5.15.1, 4.10.3 and 5.9.3 of the 2007 edition);

-- The technical requirements and test methods for "heating volatiles" have been deleted (see 4.10.1 and 5.9.1 of the 2007 edition);

-- The technical requirements and test methods for "dust" have been deleted (see 4.10.2 and 5.9.2 of the 2007 edition);

-- Changed the technical requirements and test methods for "heavy metals" (see 4.12.2 and 5.15.2, 4.10.4 and 5.9.4 of the 2007 edition);

-- Changed the technical requirements and test methods for "image quality of printed products" (see 4.13 and 5.16, 4.11 and 5.10 of the 2007 edition);

-- Deleted the technical requirements and test methods for "consumption/print volume" (see 4.12 and 5.12 of the 2007 edition);

-- Added technical requirements and test methods for "page output" (see 4.14 and 5.17);

-- Added technical requirements and test methods for "powder consumption per thousand pages" (see 4.15 and 5.18);

-- Changed the technical requirements and test methods for "net content" (see 4.17 and 5.20, 4.14 and 5.13 of the 2007 edition);

-- Added relevant contents of "test environment", "test equipment", "test version" and "test paper" (see 5.1, 5.2, 5.3 and 5.4);

--Changed the relevant contents of the test items (see Table 5, Table 4 of the 2007 edition);

--Changed the contents related to type inspection and factory inspection (see 6.2 and 6.3, 6.1 and 6.2 of the 2007 edition);

-- Deleted Appendix A "Softening point test method" (see Appendix A of the 2007 edition);

-- Deleted Appendix B "Determination Method of Dust" (see Appendix B of the 2007 edition);

-- Added "Test method for bulk density" (see Appendix A).

1 Scope

This document specifies the technical requirements, inspection rules, marking, packaging, transportation and storage of dry developers for black and white laser printers. The corresponding test methods were developed.

This document applies to the manufacture of black dry single-component developer and two-component developer used in black and white laser printers.

The manufacture of dry single-component developers and two-component developers for office equipment shall be carried out as a reference.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document.

GB/T 2828.1 Sampling procedures for inspection by attributes Part 1: Sampling plans for batch inspection based on acceptance quality limit (AQL)

GB/T 13963 Terminology of copying (including multi-function) equipment

GB/T 22372 Monochrome laser printer test version

GB/T 24988 Copy paper

GB/T 26572 Limit requirements for restricted substances in electronic and electrical products

GB/T 28033 Comprehensive evaluation method for print quality of monochrome laser printers

GB/T 33871 Determination of total volatile organic compounds (TVOC), benzene and styrene in toner - Thermal desorption - gas chromatography

GB/T 33874 Toner manufacturing process and product environmental protection requirements

GB/T 39560 (all parts) Determination of certain substances in electrical and electronic products

JB/T 8262.1 Electrostatic copying dry toner Part 1: Test method for caking temperature

JB/T 8262.2 Electrostatic copying dry toner Part 2: Charge-to-mass ratio test method

JB/T 8262.3 Electrostatic copying dry toner Part 3: Test method for water content

JB/T 8262.4 Electrostatic copying dry toner Part 4: Particle size distribution test method

JB/T 8264.2 Electrostatic copying dry developer carrier Part 2: Fluidity test method

JB/T 8392 Test method for melt index of dry toner for electrostatic printing

JB/T 9444 Basic environmental test methods for copying machines

JB/T 12629 Test method for the agglomeration of dry toner for electrostatic copying

JB/T 12630 Test method for softening point of dry toner for electrostatic copying

JJF 1070 Rules for the measurement and inspection of the net content of quantitatively packaged goods

ISO /IEC 19752 Information technology office equipment - Toner cartridges for monochrome electrostatic printers and multifunction devices containing printing 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)