ICS 27.010  
F 01 
 
National Standards of the 
People’s Republic of China  
GB ×××× —××××  
 
 
Minimum allowable values of energy efficiency and energy 
efficiency grades for Photocopiers  
(Draft for approval)  
 
 
Issue Date: XXXX –XX-XX Implemented on: XXXX –XX-XX 
Issue d by the General Administration of Quality Supervision, Inspection and 
Quarantine of the People’s Republic of China and the China National Standardisation 
Management Commission  
GB ×××× —××××  
Preface  
It should be noted that Clauses 4.2 and 4.4 of this Stand ard are mandatory whilst the rest 
are recommended.  
 
Appendix A to this Standard is a specification appendix.  
 
This Standard is jointly enacted by the National Development & Reformation Commission and 
the National Standardisation Management Commission.  
 
This Standard has been prepared and put forward by the National Energy Foundation & 
Management Standardization Technical Committee.  
 
This standard is under the jurisdiction of the National Energy Foundation & Management 
Standardisation Technical Committee.  
 
The units involved in preparing this Standard include: China Standardization Institute, China 
Copier Machine Quality Supervision & Inspection Centre, National Computer Quality 
Supervision Inspection Centre, China Hewlett Packard Corp., and the 5th Institute  of Message 
Industrial Department.  
 
The main drafters of this Standard are Zhang Guo -Qin, Chen Hai -Hong, Kuang Ya -Ming, Zhou 
Xing -Hua, Zhang Shu -Jie and Song Dan -Mei.  GB ×××× —××××  
Minimum allowable values of energy efficiency and energy efficiency 
grades for Photocopiers  
1 Scope  
1.1 This Standard sets the minimum allowable energy efficiency values,  energy conservation  
evaluation values, minimum allowable target energy values, test methods and inspection 
rules for general -purpose static photocopiers (hereaf ter ‘Photocopier’).  
1.2 This Standard applies to static photocopiers using A3 copy size or smaller, and 
multi -function machines (e.g. multi -function digital photocopiers, multi -function printing 
copiers and colour photocopiers, etc.) focusing on copying as  its basic function under 
normal working voltage of the electrical network.  
2 Normative References  
The provisions of the following documents become provisions of this Standard after being 
referenced. For dated reference documents, all later amendments (exc luding corrigenda) and 
versions do not apply to this Standard; however, the parties to the agreement are encouraged 
to study whether the latest versions of these documents are applicable. For undated reference 
documents, the latest versions apply to this S tandard.  
GB4943  Message Technical Equipment Safety  
GB9254  Message Technical Equipment Wireless Interference Limit Value and 
Measuring Method  
GB/T10992.1  Static Copier Machine/Document Copier Machine  
GB/T10992.2  Static Copier Machine/Portable Copier Machin e 
GB17625.1  Electromagnetic Capacitance Limit Value, Harmonic Current Emission Limit 
Value (per phase equipment input current 16A). 
3 Terms and Definitions  
The following terms and definitions apply to this Standard.  
3.1 Off Mode  
The status in which the power switch is set to “off” when power is connected to the 
Photocopier.  
3.2 Active mode  
The status in which the Photocopier is connected to the power and can be used for producing 
output or for other main functions.  3.3 Ready mode  
The status in which the Photocopier has reached working conditions but is not producing 
any output and the working status can be reached in a short peri od of time.  
3.4 Sleep mode  
The status in which the Photocopier automatically enters a lower energy consumption mode 
without shutting down the power, after operation has been stopped for a certain period of 
time.  
3.5 Typical Energy Consumption  
The weekly en ergy consumption of the Photocopier obtained according to the test and 
calculation methods of this Standard, for which kWh expresses the unit.  
3.6 Auto -Off Mode  
The status in which the Photocopier automatically enters a much lower energy consumption 
mode t han Sleep Mode, once used.  
3.7 Minimum Allowable Energy Efficiency Values for Photocopiers  
The allowable maximum TEC and maximum active power when in “off” mode achieved by 
the Photocopier when tested under the conditions set out in this Standard.  GB ×××× —××××  
3.8 The allowable maximum TEC and maximum active power when “off” mode is achieved by 
the Energy Conservation Copier Machine when tested under the conditions set out in this 
Standard.  
4 Technical Requirements  
4.1 Copier Machine Energy Efficiency Grad es 
The energy efficiency of the Photocopier shall be divided into three grades, of which grade 1 
indicates the highest level of energy efficiency. The TEC of each grade of Photocopier shall 
not exceed the requirements listed in Table 1, nor shall the energ y consumption of each 
grade of Photocopier when in “off” mode exceed the requirements listed in Table 1.  
Table 1: Typical Energy Consumption Categories  
Energy Efficiency Grade  
Category 1  Category 2  Grade 3  
Copier 
Machine 
Type  Copying 
Speed 
(p) 
TEC (k Wh) Off Mode 
Energy 
Consumpti
on (W)  TEC (kWh)  Off Mode 
Energy 
Consumpti
on (W)  TEC (kWh)  Off Mode 
Energy 
Consumpt
ion (W)  
p12 1.2 1 1.5 2 1.8 3 
12p 
50 0.16p -0.8 1 0.20p -1 2 0.25p -1.25 3 Single 
Colour 
Photocopier  
p50 0.64p -25 1 0.80p -31 2 1.00p -38 3 
p50 0.16p+1.5  1 0.20p+2  2 0.25p+2.5  3 
Colour 
Photocopier  
p50 0.64p -22.5 1 0.80p -28 2 1.00p -35 3 
p20 0.16p+1.6  1 0.20p+2  2 0.25p+2.4  3 
20
p69 0.36p -2.2 1 0.44p -2.8 2 0.53p -3.4 3 Single 
Colour/  
Multi - 
Function 
Copier 
Machine  p69 0.64p -22.4 1 0.80p -28 2 1.00p -34 3 
p32 0.16p+4.0  1 0.20p+5  2 0.24p+6.0  3 Full 
Colour/  
Multi - 
Function  32
p61 0.36p -2.2 1 0.44p -2.8 2 0.53p -3.4 3 p61 0.64p -20 1 0.80p -25 2 1.00p -30 3 
 
4.2 Minimum Allowable Energy Efficiency Value  
The minimum allowable energy efficiency value of the Photocopier shall be Grade 3 in 
energy efficiency grade.   
4.3 Energy Conservation Evaluation Value  
The minimum allowable energy e fficiency value of the Photocopier shall be Grade 2 in 
energy efficiency grade.  
4.4 Target Energy Efficiency Minimum Allowable Value  
The minimum allowable energy efficiency value of the Photocopier shall be Grade 2 in 
energy efficiency grade three years af ter the implementation date of this Standard.  
5 Test and Calculation Methods  
5.1 Test Method:  
The test shall be conducted for the TEC and “Off” mode according to the method set out in 
Appendix A.  
5.2 Calculation Method  
5.2.1  Typical energy consumption of t he Photocopier:  
(TEC): Calculated according to Formula (1)  
TEC = [ Ed X 5+Pao X 48h ] / 1000 ................. Ž1 
Where,  
Ed - Daily energy consumption of the Photocopier, in which “Wh” expresses the unit.  
Pao - The power of the Photocopier under automatic “Off” mode, in which “ W” 
expresses the unit.  
The daily energy consumption ŽEdof the Photocopier shall be calculated according to 
Formula (2):  
Ed = Edj + 2E f + Eao................................ ................... Ž2 
Where  
Edj - Energy consumption of the Photocopier when used for daily jobs, in which “Wh” expresses the unit.  
 Ef - Energy consumption of the Photocopier from the point o f finishing a job task to entering 
automatic “Off” mode each day, in which “Wh” expresses the unit.  
Eao - Energy consumption of the Photocopier under automatic “Off” mode each day, in which 
“Wh” expresses the unit.  
The daily energy consumption ŽEdjof the P hotocopier shall be calculated according to 
Formula (3):  
Edj = Ej1 X 2 + [ Mjd - 2X Ej ]................................ ............Ž3 
Where,  
Ejl – The energy consumption of the Photocopier when executing the first job task according to 
the requirements of the test method, in which “Wh” expresses  the unit.  
Mjd – The typical working count that should be finished by the Photocopier each day.  
Ej – The average energy consumption of the Photocopier, in which “Wh” expresses the unit. The 
energy consumption (Eao) of the photocopier when in “Off” mode sha ll be calculated according to 
Formula (4):  
Eao = { 24h - [Mjd / 4+Tf X 2] } X P ao...................... Ž4 
 
Where,  
Tf - The time it takes for the Photocopier to enter automatic “Off” mode after finishing the 
fourth job task, according to the requirements of the test method, in which “h” expresses the 
unit. 
The average working ene rgy consumption ŽEjof the Photocopier shall be calculated according 
to Formula (5):  
Ej =ŽEj2 + Ej3 + Ej4ž/ 3................................ ......................... Ž5 
 
 
Where,  
Ej2 - Energy consumption of the Photocopier when executing the second job task according to 
the requirements of the test method, in wh ich “Wh” expresses the unit.  
Ej3 - Energy consumption of the Photocopier when executing the third job task according to the 
requirements of the test method, in which “Wh” expresses the unit.   
GB ×××× —××××  
Ej4 - Energy consumption of the Photocopier when ex ecuting the fourth job task according to 
the requirements set out in the test method, in which “Wh” expresses the unit.  
The typical working count ŽMjdthat should be finished by Photocopier shall be confirmed 
according to the requirements set out in Table 3:  
Table 3: Typical Working Count to be finished by the Photocopier  
P Printing  Daily Typical Working Count  
0 < p 8 8 
8 < p 32 p 
P > 32 32 
5.2.2 Calculation of “Off” Mode Power Poff 
The Active Power of the Photocopier in “Off” mode shall be calculated according to 
Formula (6):  
Poff = Eoff / 1000 T off................................ ................. 6 
Where,  
Eoff - Actual measured energy consumption of the Photocopier in “Off” mode, in 
whic h “kWh” expresses the unit.  
Toff - Actual measured time, in which “h” expresses the unit.  
6 Inspection Rules  
6.1 Ex-factory Inspection  
6.1.1  The minimum allowable energy efficiency values shall be deemed as the item during the 
ex-factory inspection of the Photocopier, and the sampling plan shall be determined by 
Production Industrial Quality Inspection Department.  
6.1.2  If the inspected minimum allowable energy efficiency values fail to meet the requirements 
set out in Clauses 4.2 and 4.4, then the ex -facto ry delivery of the said Photocopier shall not 
be permitted  
6.2 Type Inspection  
6.2.1  If any of the following happens to the product then a type inspection for the minimum 
allowable energy efficiency values shall be carried out:  a) if new items are added after  the pilot run;  
 
b) if the product design changes, or if the workmanship or materials used have noticeably 
affected the performance;  
c) When an inspection is required by the Quality & Technical Supervision Department.  
6.2.2  Sampling Program for the Type Inspecti on 
During the type inspection, one unit will be selected for each batch. If the minimum 
allowable energy efficiency value of the selected sample fails to meet the requirements set 
out in this Standard, then the said batch of products shall be deemed as inc ompliant.  GB ×××× —××××  
Appendix A  
(Standardised Appendix)  
Typical Energy and Off Mode Energy Consumption Test Method for Photocopiers  
A.1 Test Conditions  
The test environment shall be as follows: room temperature, 23  ±5 ; relative humidity, 
10%~80%; atmospheric pressure, 86~106 kPa; test power source, AC voltage 220 ±1%; and 
frequency, 50±0.5 Hz. If the nominal power of the tested equipment exceeds 1.5kW, then 
the test power shall be AC 220 V±4%. 
The total harmonic dist ortion of the test power must not be over 3%. If the nominal power of 
the tested equipment is over 1.5kW, then the total harmonic distortion shall not be over 5%.  
 A.2 Test Instrument  
When measured with Power Gauge in active power below 10W, the accuracy o f the 
measuring result shall be 0.01W; when measured in active power of over 10W and below 
100W, the accuracy of the measuring result shall be 0.1W; when measured with the active 
power set to over 100W, the accuracy of the measuring result shall be 1W.  
A.3 Test Method  
A.3.1  Test Setup  
a) Test Paper: A4 size 70g general printing paper.  
b) Test Board: Static Photocopier developer consumption test board, in A4 size (image ratio: 
6%).  
Note 1: the main unit of the Photocopier should normally be tested, excluding  external 
accessories such as the Sorter and Auto Feeder, etc. In the event that the Product Specification 
specifies that the external accessories belong to the standard equipment to be provided along 
with the Photocopier and where the basic power control wire is installed in the machine, then 
the entire unit and its accessories should be tested together.  
Note 2: Before testing, the equipment and copying papers shall be placed in the specified 
environment conditions for 1 hour or longer.  
A.3.2  Confirmation of Test Quantity  
A.3.2.1  Confirmation of Daily Typical Printing Quantity  
The typical daily printing quantity of the tested product shall be 0.50p2 in which, “p” indicates 
the printing speed of the photocopier.  A.3.2.2  Confirmation of Test Quantity Per Time  
The test quantity per time will be the result from dividing the daily typical printing quantity by 
the daily typical working count, and the result shall be rounded off to a whole number; however, 
it is required that one sheet of paper be guaranteed to be completed during each printing task.  
Note: as limited by the feeder, etc., the printing count may be increased for high -speed 
photocopiers, so as to complete the printing task.  
A.3.3  Typical Energy Consumption Test  
a) The tested Photocopier must be properly i nstalled and sufficient test papers should be 
loaded into the paper tray.  
b) Connect the test equipment and the tested Photocopier and connect the power to the test 
equipment, then place them under the test conditions set out in this Standard.  
c) Start the teste d Copier Machine and wait until it reaches ready mode.  
d) Select the printing quantity according to the speed of the Photocopier, and then carry out 
the test and record the length of time it takes to output the first sheet of paper. After the 
Photocopier ente rs sleep mode, proceed with the next step of the operation. mode then 
register the energy consumption used over 1 hour. If the machine enters automatic “off” 
mode during this period, then register the time taken for entering sleep mode and the energy 
consum ption used in this mode; however, the required time must elapse.  After the required 
one hour, proceed with the next step of the operation.  
e) Reset the reading of the test equipment to zero for the Photocopier to complete one round 
of printing, and then regi ster the energy consumption ( Ej1) used at the end of the task. 
After accumulating for 15 minutes starting from current task, proceed with the next 
operation step.  
f) Repeat Step (e) three times and register energy consumption  Ej2, Ej3 and Ej4 respectively.  
g) Reset the reading of the test equipment to zero. Wait for the equipment to enter automatic 
“off” mode and register the energy consumption ( Ef) and the time ( Tf) taken from 
completing the previous job to entering automatic “off” mode.  
h) Test and register the power ( Pao) of the equipment under automatic “off” mode.  
A.3.4  Energy Test under “Off” Mode  
a) Connect the power to all test equipment and adjust the voltage and  frequency to the 
appropriate level.  
b) Maintain the tested Photocopier in “off” mode until the reading of the measured power 
values stabilises.  c) Test the energy consumption of the Photocopier - the test time should not be less than 10 
minutes.  
d) Register the en ergy consumption ( Eoff) and test duration (T off) when the tested 
Photocopier is in “off” mode.