GB 21521-2014 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 21521-2014 | English | 85 |
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Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Copy Machines, Printers and Fax Machines
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| GB 21521-2008 | English | 359 |
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Minimum allowable values of energy efficiency and energy efficiency grades for copy machines [including MODIFICATION 1]
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GB 21521-2014: Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Copy Machines, Printers and Fax Machines
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB21521-2014
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.010
F 01
Replacing GB 21521-2008, GB 25956-2010
Minimum Allowable Values of Energy Efficiency
and Energy Efficiency Grades for Copy Machines,
Printers and Fax Machines
Issued on. APRIL 28, 2014
Implemented on. JANUARY 1, 2015
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Application Scope... 5
2 Normative References... 5
3 Terms and Definitions... 6
4 Technical Requirements... 8
5 Method for Test and Calculation... 10
6 Inspection Rules... 11
Annex A (Normative) Test Method for Typical Energy Consumption of Products
... 12
Annex B (Normative) Test Methods for Active Mode Energy Consumption,
Default Delay Time to Get into Sleep Mode and Standby Energy Consumption
of Products... 17
Annex C (Normative) Calculation Method for Typical Energy Consumption of
Products... 20
Annex D (Normative) Calculation Method for Active Mode Power, Power Factor
Sum of Additional Functions and Standby Power of Products... 24
Bibliography... 27
Foreword
Sub-article 4.2 of this Standard is compulsory; the other articles are voluntary.
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB 21521-2008, Minimum Allowable Values of Energy
Efficiency and Energy Efficiency Grades for Copy Machines, and GB 25956-2010,
Minimum Allowable Values of Energy Efficiency and Energy Grade for Printers and Fax
Machines. Compared with GB 21521 and GB 25956-2010, the major changes are as
follows.
-- it changes the application scope of the standards;
-- it improves the indexes and requirements for all energy efficiency grades of
products;
-- it deletes “target minimum allowable values of energy efficiency” in GB 21521-
2008, 3.4;
-- it modifies the power factors of additional functions in the former GB 21521-2008,
Table 5;
-- it lists in Annex C and Annex D the calculation methods of the former GB 21521-
2008, 4.2 and GB 25956-2010, 5.2.
This Standard was jointly proposed by the National Development and Reform
Commission Resource Conservation and Environmental Protection Department and
the Ministry of Industry and Information Technology Energy Saving and
Comprehensive Utilization Department.
This Standard shall be under the jurisdiction of the National Standardization Technical
Committee on Energy Base and Management (SAC/TC 20).
The drafting organizations of this Standard. China National Institute of Standardization,
China National Office Equipment and Consumable Quality Supervision Testing Center,
China National Computer Products Quality Supervising Test Centre, China CEPREI
Laboratory, Sharp Office Equipment (Changshu) Co., Ltd., Canon (China) Co., Ltd.,
Ricoh (China) Investment Co., Ltd., Jiangsu Institute of Metrology, China HP Co., Ltd.,
Vkan Certification and Testing Co., Ltd., Samsung Electronics (Shandong) Digital
Printers Co., Ltd., Konica Minolta (China) Investment Co., Ltd., Brother (China)
Commercial Co., Ltd., Epson (China) Co., Ltd., National Supervision and Testing
Centre of Energy Efficiency, Safety and Quality of Electric Appliances, Lexmark
Information Technology (China) Co., Ltd., Fuji Xerox (China) Limited.
The main drafters of this Standard. Li Pengcheng, Chen Haihong, Kuang Yaming,
Jiang Weihong, Zhao Wenting, Zhou Xinghua, Song Danmei, Wu Liang, Lu Junhe, Liu
Xin, Zhao Xiaokun, Chen Yan, Chen Yongqiang, Jiang Bingyu, Chen Ting, Mai Hongqi,
Xue Lin, Xie Leilei.
The previous editions of the standard replaced by this Standard are as follows.
-- GB 21521-2008;
-- GB 25956-2010.
Minimum Allowable Values of Energy Efficiency and
Energy Efficiency Grades for Copy Machines, Printers
and Fax Machines
1 Application Scope
This Standard specifies the energy efficiency grades, minimum allowable values of
energy efficiency, energy conservation evaluating values, methods for test and
calculation, inspection rules of general-purpose copy machines, printers, fax machines,
multifunction devices (hereinafter referred to as products).
This Standard applies to products of standard size, which operates under the power
supply of the power grid of 220 V, 50 Hz.
This Standard does not apply to the following products.
a) products only powered by data interfaces (such as USB, IEEE 1394 interface);
b) products having digital front-end (DFE);
c) products having an output speed greater than or equal to 70 pages/min;
d) dot matrix printers having printing needles more than 48.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to this Standard.
GB/T 16685-2008, Information Technology – Office Equipment – Printing Devices
Method for Measuring Throughput – Class 1 and Class 2 Printers
GB/T 22372-2008, Test Chart for Laser Printer
ISO/IEC 28360.2012, Information Technology – Office Equipment- Determination
of Chemical Emission Rates from Electronic Equipment
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
multifunction device; MFD
a product having two or more functions, including printing, scanning, copying or faxing.
NOTE The simple copying function of fax is not one of multiple functions.
3.2
off mode
the “turned-off” mode of the power switch when a product is connected to the power
grid.
3.3
active mode
the mode of a product which is connected to the power supply to output or execute
other major functions.
3.4
ready mode
the mode in which the energy consumption is lower than the energy consumption in
the active mode after a product is connected to the power supply or finishes working.
No noticeable delay time exists in a product when it goes from the ready mode to the
active mode.
3.5
sleep mode
the mode of low energy consumption into which a product gets automatically without
turning off the power after stopping working for a certain time.
3.6
auto-off mode
the mode of low energy consumption into which a product gets automatically after
finishing major working functions.
3.7
standby mode
the mode of the lowest power after a product is connected to the power grid.
4 Technical Requirements
4.1 Product energy efficiency grades
4.1.1 Product energy efficiency is classified into 3 grades, including grade 1 having
the highest energy efficiency.
4.1.2 For the products of thermosensitive, dye sublimation, electronic imaging, solid
ink and heat transfer printing technology and high-performance ink jet technology, their
energy efficiency is graded in accordance with the typical energy consumption method.
4.1.3 For the products of ink jet or dot matrix impact technology, their energy
efficiency shall be graded in accordance with the operation mode power method; the
operation mode power and standby power of the products of all grades shall not be
greater than those specified in Table 2.
4.2 Maximum allowable values of energy efficiency
The maximum allowable values of energy efficiency of products are the energy
efficiency specified for energy efficiency grade 3 in Table 1 or the energy efficiency
specified for energy efficiency grade 3 in Table 2.
4.3 Energy conservation evaluating values
The evaluating values of energy conservation for products are the energy efficiency
specified for energy efficiency grade 2.
5 Method for Test and Calculation
5.1 Test method
5.1.1 Carry out the test on the typical energy consumption in accordance with the
Product type Grade 1 Grade 2 Grade 3
5.1.2 Carry out the test on the operation mode energy consumption, default delay
time to get into the sleep mode and standby energy consumption of products in
accordance with the test method specified in Annex B.
5.2 Calculation method
6 Inspection Rules
6.1 Exit-factory inspection
6.2 Type inspection
6.2.1 In any of the following circumstances, type inspection on the maximum
allowable values of energy efficiency of products shall be carried out.
6.2.2 1 sample shall be taken per batch for type inspection.
6.2.3 When it is found through type inspection that the energy efficiency of products
is not as specified in 4.2, then the batch of products are not accepted.
Annex A
(Normative)
Test Method for Typical Energy Consumption of Products
A.1 Test conditions
A.1.1 Environmental conditions
Measurements shall be performed under the conditions of temperature, humidity and
air pressure within the following range.
A.1.2 Power supply
The alternating voltage of test power supply is 220 (1 ± 1%) V and the frequency 50 (1
± 1%) Hz. For the devices to be tested of nominal power greater than 1.5 kW, the
alternating voltage of test power supply is 220 (1 ± 4%) V.
A.2 Test apparatus
When a power meter is used to measure the active power not greater than 10 W, the
resolution is 0.01 W; when it is used to measure the active power greater than 10 W
and smaller than 100 W, the resolution is 0.1 W; when it is used to measure the active
power greater than or equal to 100 W, the resolution is 1 W.
A.3 Test method
A.3.1 Test settings
A.3.1.1 Paper for test. A4 size 70 g/m2 common printing paper (printing paper
specified by the manufacturer shall be used for thermosensitive products).
A.3.1.2 Test charts are decided in accordance with the type of products.
a) the test charts of developer wastage for copying machines specified in GB/T
22372-2008 shall be used for laser, thermosensitive, dye sublimation, electronic
imaging, solid ink, heat transfer printing and high-performance ink jet;
A.3.1.3 The settings of products to be tested are as follows.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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