CN112731782A

CN112731782A - Debugging method and system of high-end intelligent color laser printer

Info

Publication number: CN112731782A
Application number: CN202011528886.9A
Authority: CN
Inventors: 安全珍; 孙泽; 程金玲
Original assignee: Beijing Xiangdong Intelligent Technology Co ltd
Current assignee: Beijing Xiangdong Intelligent Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-30

Abstract

The invention provides a high-end intelligent color laser printer, which has the following specific structure: the developing roller is provided with a cartridge, the cartridge is used for providing toner for the developing roller, the developing roller adsorbs the toner from the cartridge, printing paper is placed between the printing roller and the transfer roller, the printing roller prints the toner on the printing paper, and the control unit comprises a sensor system, a control system and a chip; wherein, the chip electricity is connected sensing system and control system, and the numerical value of storing in the chip includes: a temperature standard judgment value T1, a temperature standard judgment value T2, a temperature standard judgment value T3, a temperature standard judgment value T4, standard humidity Rb, maximum humidity Rz, standard flow rate Qb and maximum pressure Pm; the data measured by the sensor system comprises: a first real-time temperature Ts, a real-time humidity Rs, a real-time flow rate Qs and a real-time pressure Ps; the chip compares the data measured by the sensing system with the values stored in the chip, and then controls the working mode of the control system.

Description

Debugging method and system of high-end intelligent color laser printer

Technical Field

The present invention relates generally to the field of printers, and more particularly to a debugging method and system for a high-end intelligent color laser printer.

Background

In daily office work, except computers and intelligent equipment, the most contacted printing equipment is provided by people, and chips in the existing intelligent color printer occupy a larger position on a mainboard, so that the mainboard is designed to be larger in size, more heat is generated during working, and the heat of the mainboard is slowly dissipated due to the limitation of the whole space of the printer, so that the mainboard and the chips on the mainboard are easily damaged due to overheating; the intelligent color printer can cause the dry or uneven powdered ink filled in the ink box due to long-time non-use or long-time use, in the prior art, the ink box is provided with the vent hole, and people can solve the problem of dry or uneven powdered ink filled in the ink box by conveying high-pressure gas into the vent hole. However, since the gas pressure from the vent hole in the cartridge is not well controlled and detected, when the printer is operated for a long time, the cartridge may cause the flow rate of the toner output from the cartridge to be inconsistent due to the instability of the internal pressure, thereby deteriorating the printing quality.

Therefore, the invention provides a debugging method and a debugging system of a high-end intelligent color laser printer, which at least partially solve the problems.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description section. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above technical problem, the present invention provides a high-end intelligent color laser printer, comprising: a laser, a reflector, a charging roller, a printing roller, a developing roller, a fixing roller, a transfer roller and a control unit;

the developing roller is provided with a toner cartridge, the toner cartridge is used for providing toner for the developing roller, the developing roller adsorbs the toner from the toner cartridge, printing paper is placed between the printing roller and the transfer roller, the printing roller prints the toner on the printing paper, and the control unit comprises a sensor system, a control system and a chip;

wherein, the chip electricity is connected sensing system and control system, the numerical value of storing in the chip includes: a temperature standard judgment value T1, a temperature standard judgment value T2, a temperature standard judgment value T3, a temperature standard judgment value T4, standard humidity Rb, maximum humidity Rz, standard flow rate Qb and maximum pressure Pm;

the data measured by the sensor system comprises: a first real-time temperature Ts, a real-time humidity Rs, a real-time flow rate Qs and a real-time pressure Ps;

the chip compares the data measured by the sensing system with the numerical values stored in the chip, and then controls the working mode of the control system.

Further, the fixing roller comprises an upper fixing roller and a lower fixing roller, a heating lamp is contained in the upper fixing roller and used for heating the toner, the lower fixing roller is made of rubber, and the upper fixing roller and the lower fixing roller fix and fix the toner on the printing paper together.

Further, the chip is arranged in a chip placing cavity of the printer, the chip placing cavity is a groove located on the printer, a baffle is arranged at an opening of the groove located on the printer, and a heat radiating fan is arranged outside the baffle.

Further, the sensing system includes a first temperature sensor, a first pressure sensor, a first flow rate sensor, and a first humidity sensor.

Further, the first pressure sensor is provided in the ink cartridge.

Further, the first humidity sensor is disposed near the fixing roller to detect a humidity of the printing paper before entering the fixing roller.

Further, the temperature sensor is arranged in the chip placing cavity and used for detecting the temperature in the chip placing cavity.

Furthermore, the ink box is provided with an air vent and an ink outlet, the air vent is provided with a pressure-variable valve group, and the air vent is provided with the first flow velocity sensor.

Furthermore, the pressure-changing valve group comprises a check valve, a low-power atmospheric pressure valve, a high-power atmospheric pressure valve and a micro-pressure-changing valve.

Further, the control system comprises the heat radiation fan and the pressure change valve bank.

The invention has the beneficial effects that:

the intelligent color printer is provided with the cooling fan and the baffle, the baffle is arranged between the cooling fan and the main board placing cavity, and the baffle can play a dustproof role when the cooling fan does not blow air; the cooling fan is provided with a plurality of gears, and can switch the proper gear at any time under the control of the chip, thereby not only playing a role in cooling, but also saving energy.

The invention also provides a system for controlling the pressure in the ink box, which aims to solve the problem that the printing quality is poor due to inconsistent flow rate of the ink powder output by the ink box caused by unstable pressure in the ink box. The chip controls the working state of the pressure changing valve group by receiving electric signals from the humidity sensor group, the flow velocity sensor group and the pressure sensor group, and further controls the pressure entering the air pressure balancing assembly so as to ensure the flow velocity of the toner at the nozzle.

Specifically, the controller simultaneously judges the pressure state in the ink box through the state quantities respectively uploaded by the humidity sensor group, the flow velocity sensor group and the pressure sensor group, and the judgment accuracy is improved.

Specifically, the pressure-changing valve group comprises a plurality of pressure-changing valves and at least two flow stopping valves, wherein the two flow stopping valves are respectively arranged at the upstream and the downstream of the pressure-changing valves, so that the pressure-changing valves can be replaced by closing the flow stopping valves on the premise of not influencing the work of the ink box. Meanwhile, the controller can realize flexible control of the pressure in the ink box by controlling the opening or closing of the variable pressure valves.

Further, since the effectiveness of the toner adhering to the developing roller (not shown) is reduced when the printer is continuously operated for a long time or when the printer is aged, the flow rate of the toner output from the toner cartridge can be increased by changing the set value of the maximum pressure Pm in the air pressure balancing assembly in the controller and replacing the pressure change valve with a larger pressure, so that sufficient toner can adhere to the developing roller to ensure the printing quality.

Drawings

In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings.

FIG. 1 is a schematic diagram of the modulation method and system of the intelligent color laser printer according to the present invention;

FIG. 2 is a schematic diagram of a chip and a chip placement cavity of the intelligent color laser printer according to the present invention;

FIG. 3 is a schematic structural diagram of an ink cartridge of the intelligent color laser printer according to the present invention;

FIG. 4 is a schematic structural diagram of a control unit of the intelligent color laser printer according to the present invention;

description of reference numerals:

1: laser 2: reflector

3: charging roller 4: printing roller

5: developing roller 51: ink box

511: the vent hole 512: air duct

513: ink outlet 5101: check valve

5102: low atmospheric pressure valve 5103: high-power atmospheric pressure valve

5104: micro-variable air pressure valve 6: fixing roller

61: upper fixing roller 62: lower fixing roller

7: transfer roller 8: control unit

81: the sensor system 82: controller system

811: first temperature sensor 813: first pressure sensor

815: first humidity sensor 816: first flow rate sensor

9: chip placement cavity 91: baffle plate

92: heat radiation fan

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail so as not to obscure the embodiments of the invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The following detailed description of preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "transverse", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, it is a schematic structural diagram of a modulation method and system of an intelligent color laser printer according to the present invention, and the method includes: the device comprises a laser 1, a reflector 2, a charging roller 3, a printing roller 4, a developing roller 5, a fixing roller 6, a transfer roller 7 and a control unit 8. The developing roller 5 is provided with a toner box 51, the toner box 51 is used for supplying toner to the developing roller 5, the developing roller 5 adsorbs the toner from the toner box 51, and the toner adsorbs the toner at the position irradiated by the laser under the action of the electric charge of the printing roller 4, so that the content to be printed is displayed on the printing roller 4. The printing paper is placed between the printing roller 4 and the transfer roller 7, and the printing roller 4 prints toner on the printing paper. The fixing roller 6 includes an upper fixing roller 61 and a lower fixing roller 62, the upper fixing roller 61 includes a heating lamp therein for heating the toner, the lower fixing roller 62 is made of rubber, and the upper fixing roller 61 and the lower fixing roller 62 fix and fix the toner on the printing paper together. The control unit 8 comprises a sensor system 81, a controller system 82 and a chip.

Referring to fig. 2, the chip is disposed in a chip placing cavity 9 of the printer, the chip placing cavity 9 is a groove located on the printer, a baffle 91 is disposed at an opening of the groove located on the printer, a heat dissipation fan 92 is disposed outside the baffle 91, and the heat dissipation fan 92 is used for blowing air into the groove to dissipate heat of the chip 83. Wherein, one end of the baffle 91 is hinged on the inner wall of the chip placing cavity 9, and the other end naturally droops. The cooling fan 92 is fixedly arranged at the opening of the groove.

When cooling fan 92 did not start, baffle 91 droops naturally in order to cover the opening of recess on the printer, and then prevents that the dust from getting into the chip and placing cavity 9, and when the chip placed in cavity 9 high temperature, cooling fan 92 started, and cooling fan 92 blows off the baffle to blow in placing the cavity to the chip, in order to play the effect of cooling.

Referring to fig. 3, there is shown a toner cartridge 51 according to the present invention for supplying toner to the developing roller 5. It will be understood by those skilled in the art that the connection relationship between the ink cartridge 51 and the developing roller 5 is the prior art, and the present invention will not be described herein in detail, but only to the extent that the present invention needs to be improved. When the printer works for a long time, the toner or the ink stored in the ink box 51 can be dried and solidified or uneven, so that the printing quality is influenced, therefore, the air vent 511 is arranged on the ink box 51, and the air vent 511 can introduce high-pressure air into the ink box 51, so as to solve the problem that the toner or the ink can be dried and solidified or uneven. The air vent 511 is connected to the air vent pipe 512, and the air vent pipe 512 is provided with a pressure-changing valve set for controlling the pressure of the air entering the ink cartridge 51. The pressure-variable valve bank comprises two check valves 5101 and a plurality of pressure-variable valves, and in the embodiment of the invention, three pressure-variable valves are provided, namely a low-power atmospheric pressure valve 5102, a high-power atmospheric pressure valve 5103 and a micro-pressure-variable atmospheric pressure valve 5104.

Specifically, the low-power atmospheric pressure valve 5102 can control the pressure of the gas entering the ink box to be low-power atmospheric pressure, and similarly, the high-power atmospheric pressure valve 5103 can control the pressure of the gas entering the ink box to be high-power atmospheric pressure; the micro-variable atmospheric valve 5104 finely adjusts the gas pressure in the pipe based on the subatmospheric pressure or the superatmospheric pressure after the subatmospheric pressure valve 5102 or the superatmospheric pressure valve 5103 operates. The micro-variable pressure valve 5104 can adjust the air pressure in the pipeline in a manner of increasing the air pressure or decreasing the air pressure. It will be understood by those skilled in the art that the check valves 5101 are used to cut off the flow of gas in the pipeline, and the variable pressure valves of the present invention are disposed between the two check valves 5101. When the variable pressure valve breaks down or needs to be changed other types of variable pressure valves, the staff only need close the check valve 5101 at the two ends of the variable pressure valve and can change the variable pressure valve, and the maintenance and the operation are facilitated. The low atmospheric pressure in the present invention includes, but is not limited to, 0.3 times, 0.5 times, 0.75 times, 1 time, 1.25 times of the normal atmospheric pressure; the high atmospheric pressure in the present invention includes, but is not limited to, 2 times, 2.2 times, and 3 times of the normal atmospheric pressure.

As shown in connection with fig. 4, the chip electrically connects the sensor system 81 and the control system 82. The sensing system 81 includes: a temperature sensor group, a pressure sensor group, a flow rate sensor group and a humidity sensor group. The control system 82 includes a heat rejection blower 92, a pressure-variable valve bank and an alarm (not shown).

Specifically, the temperature sensor group includes a first temperature sensor 811, and the first temperature sensor 811 is disposed in the chip placement cavity 9 to detect a first real-time temperature Ts near the chip; the pressure sensor group includes a first pressure sensor 813, the first pressure sensor 813 is disposed in the ink cartridge 51 to detect the real-time pressure Ps inside the ink cartridge 51; the humidity sensor group includes a first humidity sensor 815, the first humidity sensor 815 being disposed near the fusing roller 6 to detect a real-time humidity Rs of the printing paper before entering the fusing roller 6; the flow velocity sensor group includes a first flow velocity sensor 816, the first flow velocity sensor 816 is disposed near the ink outlet 513 of the ink cartridge to detect the real-time flow velocity Qs of the ink or the toner; the chip is stored with temperature standard judgment values T1, T2, T3 and T4; values also stored in the chip include: standard humidity Rb, maximum humidity Rz, standard flow rate Qb, and maximum pressure Pm. The temperature criterion judgment values T1, T2, T3 and T4 all correspond to specific operating state points of the printer, and the present invention is not limited to these specific values.

It will be appreciated by those skilled in the art that the chip will heat up over time, and that the length of time the printer is operating can also be determined approximately by sensing the temperature around the chip. The long operation of the printer not only entails the risk of the chip being burned by the heat released by itself, but also deteriorates the fixing and shaping effect of the fixing roller 6 on the toner, making the printed article obscure. Therefore, the first real-time temperature Ts and the real-time humidity Rs not only reflect the real-time change of the attributes of the first real-time temperature Ts and the real-time humidity Rs, but also reflect the working time of the printer to a certain extent; when both the real-time temperature Ts and the real-time humidity Rs exceed the preset critical values, a problem may occur in the printed matter printed by the printer.

When the first real-time temperature Ts is greater than the temperature criterion judgment value T1 and less than or equal to the temperature criterion judgment value T3, the chip controls the cooling fan 92 to start. Wherein a temperature standard judgment value T2 is also arranged between the temperature standard judgment value T1 and the temperature standard judgment value T3; when the first real-time temperature Ts is greater than the temperature criterion judgment value T1 and less than or equal to the temperature criterion judgment value T2, the chip controls the cooling fan 92 to start, and the wind power of the cooling fan 92 is a windshield. At this time, the wind force of the cooling fan 92 can only blow off a part of the baffle 91 to communicate the chip placing cavity 9 with the outside, and a large amount of air flow can not be actively blown into the chip placing cavity 9 to achieve the ventilation effect. When the first real-time temperature Ts is greater than the temperature criterion judgment value T2 and less than or equal to the temperature criterion judgment value T3, the chip controls the wind power of the cooling fan 92 to be in two grades. At this time, the baffle 91 is completely blown open, and the heat dissipation fan 92 blows a large amount of air flow into the chip placement cavity 9 to achieve the ventilation effect, thereby reducing the temperature in the chip placement cavity 9.

When the first real-time temperature Ts is greater than the temperature standard judgment value T3, the chip continues to judge the humidity value: if the real-time humidity Rs is less than or equal to the maximum humidity Rz, the chip controls the wind power of the cooling fan 42 to be two-gear wind; if the real-time humidity Rs at the moment is larger than the maximum humidity Rz, the chip controls the alarm device to give an alarm, and meanwhile, the chip also controls the whole printer system to enter an intermittent working state, so that the chip and the fixing roller 6 are cooled thoroughly, and the safety and the printing quality of the printer are guaranteed. And entering an intermittent working state, continuously monitoring the first real-time temperature Ts in the chip placement cavity 9 by the first temperature sensor 815, and controlling the printer system to recover to a normal working mode by the chip when the first real-time temperature Ts is smaller than a temperature standard judgment value T3. When the first real-time temperature Ts is greater than the temperature standard judgment value T4, because the temperature in the chip placement cavity 9 is too high, there is a risk of burning out the chip, so no matter what the value of the real-time humidity Rs is, the chip control alarm device will send an alarm and make the printer system enter a non-stop state, and at the same time, the cooling fan 92 blows two dampers into the chip placement cavity 9. The first temperature sensor 815 continues to monitor the first real-time temperature Ts in the chip placement cavity 9 until the real-time temperature Ts is smaller than the temperature standard determination value T3, and the chip controls the printer system to return to the normal operating mode.

Specifically, the intermittent operation state in the present invention includes:

step 1: the printer is not powered down for two minutes after completing a stage of the job,

step 2: after two minutes, the printer starts to work again, and the step 1 is repeated; the invention provides a working state that the printer continuously prints 100 sheets or continuously works for two minutes into one stage under the condition of discontinuous operation.

According to the temperature of the chip mentioned above, the operating time of the printer is reflected, and when the first real-time temperature Ts measured by the first temperature sensor 811 is greater than the temperature standard judgment value T1, it indicates that the operating time of the printer is too long, and at this time, the ventilation pipeline 512 introduces high-pressure gas into the ink cartridge 51, so as to prevent the problem of drying or non-uniformity of the toner or ink in the ink cartridge 51. When the first real-time temperature Ts measured by the first temperature sensor 811 is greater than the temperature standard determination value T1, the chip controls the low-pressure atmospheric valve 5102 to operate to maintain the pressure of the gas inside the ink cartridge 51 at low-pressure atmospheric pressure; at this time, the chip continues to detect the real-time flow rate Qs measured by the first flow rate sensor, and when the real-time flow rate Qs is smaller than the standard flow rate Qb, the chip closes the low-power atmospheric pressure valve 5102, and controls the high-power atmospheric pressure valve 5103 to work, so that the pressure value inside the ink box 51 is gradually increased, and the flow rate of the toner or the ink is increased. Meanwhile, a first pressure sensor 813 located in the ink cartridge 51 detects the real-time pressure Ps, and the chip compares the real-time pressure Ps with the maximum pressure Pm; in the present invention, in order to ensure the safety of the entire printer apparatus, the maximum pressure Pm is defined to be 0.25MPa, so that when the real-time pressure Ps in the ink cartridge 51 is higher than the maximum pressure Pm in the state of opening the high atmospheric pressure valve 5103, the chip continuously controls the micro-variable atmospheric pressure valve 5104 to adjust the pressure so as to ensure that the real-time pressure Ps does not exceed the maximum pressure Pm. At this time, the chip continues to detect the real-time humidity Rs sent back by the first humidity sensor 815, until the real-time humidity Rs falls between the standard humidity Rb and the maximum humidity Rz, the chip controls the high-pressure atmospheric pressure valve 5103 to stop working, and controls the low-pressure atmospheric pressure valve 5102 to continue working for three minutes and then stop working. It will be understood by those skilled in the art that the low atmospheric pressure valve 5102 and the high atmospheric pressure valve 5103 according to the present invention control the pressure value in the ink cartridge 51 only by controlling the flow rate of the gas in the vent line 512, and do not mean that the pressure in the chip is maintained at a low atmospheric pressure or a high atmospheric pressure when the chip controls the low atmospheric pressure valve 5102 or the high atmospheric pressure valve 5103, and the atmospheric pressure in the ink cartridge 51 should be based on the real-time pressure Ps measured by the first pressure sensor 813.

When the real-time flow rate Qs measured by the first flow rate sensor 816 is greater than or equal to the standard flow rate Qb, the chip continues to detect the real-time humidity Rs measured by the first humidity sensor, and when the real-time humidity Rs does not reach the maximum humidity value Rz, the chip can adjust the micro-variable air pressure valve 5104 on the basis of opening the low-pressure atmospheric pressure valve 5102 to increase the pressure in the ink box 2, further increase the flow rate of the ink powder or ink, further increase the real-time humidity Rs, and enable the real-time humidity Rs to be close to or equal to the maximum humidity value Rz.

It is understood by those skilled in the art that the humidity referred to in the present invention refers to the amount of toner on the printing paper, and the higher the amount of toner on the printing paper, the greater the humidity, and vice versa.

It will be understood that the chip of the present invention controls not only the above-described embodiments of the present invention, but also the normal operation of the entire printer; both the sensor system 81 and the control system 82 described in the present invention will operate after the entire printer is powered on. In some embodiments of the present invention, to prevent the sensor system 81 from operating at unnecessary times, the chip in the printer begins to receive data from the sensor system 81 after five minutes of continuous operation of the printer. In addition, when the printer is started, the chip controls the pressure-variable valve group to be opened for three minutes, so that high-pressure gas enters the ink box 51 to process the toner or ink in the ink box 51, and the problem that the printing quality is influenced due to the fact that the toner or ink is dried or uneven when the printer does not work for a long time is avoided.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "component" and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the scope of the described embodiments. It will be appreciated by those skilled in the art that many variations and modifications may be made to the teachings of the invention, which fall within the scope of the invention as claimed.

Claims

1. A high-end intelligent color laser printer, comprising: a laser, a reflector, a charging roller, a printing roller, a developing roller, a fixing roller, a transfer roller and a control unit;

2. The high-end intelligent color laser printer according to claim 1, wherein the fuser roller comprises an upper fuser roller and a lower fuser roller, the upper fuser roller contains a heating lamp therein for heating toner, the lower fuser roller is made of rubber, and the upper fuser roller and the lower fuser roller together fix and fuse toner on the printing paper.

3. The high-end intelligent color laser printer according to claim 1, wherein the chip is disposed in a chip placement cavity of the printer, the chip placement cavity is a groove located on the printer, a baffle is disposed at an opening of the groove located on the printer, and a heat dissipation fan is disposed outside the baffle.

4. The high-end intelligent color laser printer according to claim 1, wherein the sensing system comprises a first temperature sensor, a first pressure sensor, a first flow rate sensor, and a first humidity sensor.

5. The high-end intelligent color laser printer according to claim 4, wherein the first pressure sensor is disposed in the ink cartridge.

6. The high-end intelligent color laser printer according to claim 4, wherein the first humidity sensor is disposed near the fuser roller to detect a humidity of the printing paper before entering the fuser roller.

7. The high-end intelligent color laser printer according to claim 3 or 4, wherein the temperature sensor is disposed in the chip placement cavity for detecting the temperature in the chip placement cavity.

8. The high-end intelligent color laser printer according to claim 1 or 4, wherein the ink cartridge is provided with an air vent and an ink outlet, the air vent is provided with a pressure-variable valve set, and the air vent is provided with the first flow rate sensor.

9. The high-end intelligent color laser printer according to claim 8, wherein the pressure-changing valve set comprises a check valve, a low-power atmospheric pressure valve, a high-power atmospheric pressure valve, and a micro-pressure-changing valve.

10. The high-end intelligent color laser printer according to claim 3 or 9, wherein the control system comprises the heat dissipation fan and the transformer valve set.