CN110196544A - A kind of multi-function printer - Google Patents
A kind of multi-function printer Download PDFInfo
- Publication number
- CN110196544A CN110196544A CN201910601386.4A CN201910601386A CN110196544A CN 110196544 A CN110196544 A CN 110196544A CN 201910601386 A CN201910601386 A CN 201910601386A CN 110196544 A CN110196544 A CN 110196544A
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- controller
- function printer
- electrically connected
- ozone
- collecting box
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/20—Humidity or temperature control also ozone evacuation; Internal apparatus environment control
- G03G21/206—Conducting air through the machine, e.g. for cooling, filtering, removing gases like ozone
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
The present invention discloses a kind of multi-function printer, comprising: controller；The first ozone sensor being electrically connected with the controller；The exhaust fan being electrically connected with the controller is arranged in admission line, admission line, and admission line first end is connected to the gas compressing apparatus first end being electrically connected with the controller for sucking air, admission line second end, and gas compressing apparatus second end is connected to collecting box input terminal；The second ozone sensor being electrically connected with the controller is provided in collecting box；The electric exhausting valve being electrically connected with the controller is arranged in collecting box output end, and collecting box output end is connected to exhaust pipe first end；Exhaust pipe second end is connected to the electronics nozzle being arranged on multi-function printer shell；The third ozone sensor being electrically connected with the controller is also set up on multi-function printer shell.The ozone gas that printer is generated in printing can be collected, and multi-function printer can be cleaned using ozone gas.
Description
Technical field
The present invention relates to printer technology field, in particular to a kind of multi-function printer.
Background technique
Since conventional printer is when charging to photosensitive drums, by corona wire ionized air photosensitive drum surface is taken
It is electrically charged, to carry out subsequent printing.But ozone influential on human body can be generated when corona wire ionized air, because
This, existing printer is when carrying out photosensitive drum charging work, in order to avoid printer generates ozone, using charging roller to photosensitive
Drum carries out contact charging.However, charging roller is directly contacted with photosensitive drums, compared to the structure of corona wire, it is easy so that photosensitive drums
Wear and aging.Again due to being limited by charging roller working principle, so that the printer of charging roll structure is only applied to compare low speed
Printing technology in.
Summary of the invention
For the above-mentioned prior art, the invention reside in a kind of multi-function printer is provided, printer is passed through into corona wire electricity
The ozone generated from air is handled.
The technical scheme of the present invention is realized as follows:
A kind of multi-function printer, comprising: the first ozone sensor of setting inside the multi-function printer, controller,
Admission line, exhaust fan, gas compressing apparatus, collecting box, the second ozone sensor, electric exhausting valve and exhaust pipe；Institute
It states and electronics nozzle and third ozone sensor is set on the shell of multi-function printer；First ozone sensor and the control
Device electrical connection processed, first ozone sensor are used to detect ozone concentration when corona wire ionized air is photosensitive drum charging；
The admission line first end is provided with the exhaust fan and the exhaust fan and institute for sucking air in the admission line
Controller electrical connection is stated, the admission line second end is connected to the first end of the gas compressing apparatus, the gas compression
The second end of device is connected to the input terminal of the collecting box, and the gas compressing apparatus is electrically connected with the controller；It is described
Second ozone sensor is provided in collecting box, and second ozone sensor is electrically connected with the controller；It is described
The output end of collecting box is provided with the electric exhausting valve, and the electric exhausting valve is electrically connected with the controller, institute
The output end for stating collecting box is connected to the first end of the exhaust pipe；The second end of the exhaust pipe and the electronics nozzle
Connection；The third ozone sensor is electrically connected with the controller.
Optionally, the multi-function printer further include: the pyroelectricity being arranged on the multi-function printer shell passes
Sensor, the pyroelectric sensor are electrically connected with the controller.
Optionally, corona wire, the high pressure of the corona wire and the multi-function printer are additionally provided in the collecting box
Power module electrical connection, the controller are electrically connected with the high-voltage power module.
Optionally, heating wire and temperature sensor are additionally provided in the collecting box；The heating wire with it is described multi-functional
The high-voltage power module of printer is electrically connected；The temperature sensor is electrically connected with the controller.
Optionally, the decomposition lamp for decomposing ozone in the collecting box is additionally provided with inside the multi-function printer,
The decomposition lamp is electrically connected with the controller, is provided with transmittance section on the collecting box side wall opposite with the decomposition lamp.
Optionally, the admission line first end is disposed with the first filter screen, discharge electrode, collecting electrode, second
Filter screen and air flow sensor；The discharge electrode is electrically connected with the high-voltage power module of the multi-function printer；The wind
Quantity sensor is electrically connected with the controller.
Optionally, the multi-function printer further include: at least two electric telescopic rods and gyroscope；The electric expansion
The bottom of the multi-function printer is arranged in bar, and the motor of the electric telescopic rod is electrically connected with the controller；The top
Spiral shell instrument is arranged inside the multi-function printer and the gyroscope is electrically connected with the controller.
Optionally, the multi-function printer further include: communication module, communication module setting multi-functional are beaten described
Inside print machine and the communication module is electrically connected with the controller.
The beneficial effects of the present invention are:
When multi-function printer is when carrying out print job, the first ozone sensor detects the corona wire of multi-function printer
Ionized air produces ozoniferous concentration when being photosensitive drum charging, and generates the first detection information and be sent to controller, controller root
Exhaust fan and gas compressing apparatus are controlled according to the first detection information, air containing ozone is pumped into collecting box by admission line
In, the second ozone sensor is able to detect the ozone concentration in collecting box, and generates the second detection information and be sent to controller, controls
Device processed controls electric exhausting valve and electronics nozzle, ozone will be contained in collecting box according to the second detection information and preset condition
Air be discharged by exhaust pipe and electronics nozzle, and the third ozone sensor being arranged on multi-function printer shell
The ozone concentration being able to detect around multi-function printer, so that the ozone gas that printer is generated in printing be received
Collection, and multi-function printer can be cleaned using the ozone generated.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred embodiment of the present invention, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structure chart of multi-function printer provided by the invention.
Fig. 2 is a kind of circuit connection diagram of multi-function printer provided by the invention.
Icon: the first ozone sensor of 1-；2- controller；3- admission line；4- exhaust fan；5- gas compressing apparatus；6-
Collecting box；The second ozone sensor of 7-；8- electric exhausting valve；9- exhaust pipe；10- electronics nozzle；11- third ozone sensing
Device；12- pyroelectric sensor；13- corona wire；14- high-voltage power module；15- heating wire；16- temperature sensor；17- first
Filter screen；18- discharge electrode；19- collecting electrode；The second filter screen of 20-；21- air flow sensor；22- decomposes lamp；23- is electronic
Telescopic rod；24- gyroscope；25- communication module.
Specific embodiment
In order to be best understood from the technology of the present invention content, be provided below specific embodiment, and in conjunction with attached drawing to the present invention do into
The explanation of one step.
Referring to Figure 1 and shown in Fig. 2, Fig. 1 is a kind of structure chart of multi-function printer provided by the invention.Fig. 2 is this
A kind of circuit connection diagram of the multi-function printer provided is provided.It include: the first ozone of setting sensing inside multi-function printer
Device 1, controller 2, admission line 3, exhaust fan 4, gas compressing apparatus 5, collecting box 6, the second ozone sensor 7, electric exhausting
Valve 8 and exhaust pipe 9；Electronics nozzle 10 and third ozone sensor 11 are set on the shell of multi-function printer；First is smelly
Lambda sensor 1 is electrically connected with controller 2, and the corona wire ionization that the first ozone sensor 1 is used to serve as photosensitive drum charging device is empty
Ozone concentration when gas is photosensitive drum charging；3 first end of admission line is provided with exhaust for sucking air in admission line 3
It fans 4 and exhaust fan 4 is electrically connected with controller 2,3 second end of admission line is connected to the first end of gas compressing apparatus 5, gas pressure
The second end of compression apparatus 5 is connected to the input terminal of collecting box 6, and gas compressing apparatus 5 is electrically connected with controller 2；It is set in collecting box 6
It is equipped with the second ozone sensor 7, and the second ozone sensor 7 is electrically connected with controller 2；The output end of collecting box 6 is provided with electricity
Dynamic drain tap 8, and electric exhausting valve 8 is electrically connected with controller 2, the output end of collecting box 6 and the first end of exhaust pipe 9
Connection；The second end of exhaust pipe 9 is connected to electronics nozzle 10；Third ozone sensor 11 is electrically connected with controller 2.
Specifically, multi-function printer is laser printer, and when the laser printer is that photosensitive drums or toner cartridge charge, adopt
It is corona wire ionized air, so that photosensitive drums or toner cartridge take charge in rotation, to carry out subsequent printing.
When multi-function printer is when carrying out print job, the corona wire that the first ozone sensor 1 detects multi-function printer ionizes empty
Gas produces ozoniferous concentration when being photosensitive drum charging.Intelligible, the print time of multi-function printer is longer, corona wire ionization
Ozone concentration in air is higher.
First ozone sensor 1 detects ozone concentration, and generates the first detection information and send the first detection information
To controller 2, controller 2 controls exhaust fan 4 and gas compressing apparatus 5 according to the first detection information, by air containing ozone
It is pumped into collecting box 6 by admission line 3.Intelligible, controller 2 is obtained by the way that the first detection information to be analyzed and processed
The ozone concentration that the first ozone sensor 1 detects is obtained, then according to different ozone concentrations, controller 2 will control exhaust fan 4
With the corresponding working condition of gas compressing apparatus 5.And when exhaust fan 4 and gas compressing apparatus 5 work, in admission line 3
Air flowed because of the rotation of exhaust fan 4, gas compressing apparatus 5 can generate negative pressure at work, so that the of admission line 3
One end sucks air containing ozone.Intelligible, gas compressing apparatus 5 is the gas compressing apparatus of current version.Due to gas
The second end of body compression set 5 is connected to the input terminal of collecting box 6, therefore the air containing ozone in admission line 3 can be into
Enter into collecting box 6 and stores.For example, controller 2 controls exhaust fan 4 and gas compressing apparatus 5 is in when ozone concentration is lower
Lower-speed state.When the ozone concentration in the first detection information is higher, controller 2 is controlled at exhaust fan 4 and gas compressing apparatus 5
In fast state.To which air containing ozone to be drawn into collecting box 6 by admission line 3, the sky containing ozone is avoided
Gas lets out from printer, impacts to the user around printer.
Then, the second ozone sensor 7 in collecting box 6 is set and is able to detect the ozone concentration in collecting box 6, and is generated
Second detection information is sent to controller 2, and controller 2 obtains the second ozone by the way that the second detection information to be analyzed and processed
The ozone concentration that sensor 7 detects calls the place being stored in advance in controller 2 according to the ozone concentration of the second detection information
(when ozone concentration reaches a certain level, the air containing ozone in collecting box 6 is discharged, to clean multi-functional beat in reason scheme
Print machine), controller 2 controls electric exhausting valve 8 and electronics nozzle 10, and air containing ozone in collecting box 6 is passed through exhaust
Pipeline 9 and electronics nozzle 10 are discharged, and are cleaned, are sterilized to multi-function printer.Specifically, when the second ozone sensor 7
When ozone concentration in detection collecting box 6 reaches 0.1-1ppm (parts per million, parts per million concentration), controller 2
It controls electric exhausting valve 8 to open, the gas containing ozone in collecting box 6 flows to electronics nozzle 10 along exhaust pipe 9；So
Controller 2 controls electronics nozzle 10 and opens afterwards, so that the gas containing ozone in exhaust pipe 9 is arranged from electronics nozzle 10
Out.It is intelligible, the electronics nozzle 10 on multi-function printer shell, control of the spout towards multi-function printer are set
Panel/touch panel, the gas containing ozone that electronics nozzle 10 is sprayed carry out control panel/touch panel clear
It is clean.Intelligible, electric exhausting valve 8 and electronics nozzle 10 are in normally off under normal circumstances.And according to setting more
Third ozone sensor 11 on function printer shell is able to detect the ozone concentration around multi-function printer.To beat
The gas containing ozone that print machine is generated in printing is collected, and can be using the ozone generated to multi-function printer
It is cleaned.
Optionally, multi-function printer further include: communication module 25, communication module 25 are arranged inside multi-function printer
And communication module 25 is electrically connected with controller 2.Specifically, communication module 25 includes: DTU (Data Transfer unit, data
Transmission unit) digital transmission module or NB-IoT (Narrow Band Internet of Things, narrowband Internet of Things) module or Wi-
Fi module.The electronic equipment of communication module 25 and pre-set user communicates to connect, and beats in gas of the discharge containing ozone multi-functional
When print machine is cleaned, controller 2 informs that pre-set user, multi-function printer are currently at cleaning shape by communication module 25
State, please multi-function printer beyond this point.Then third ozone sensor 11 detects the ozone concentration around multi-function printer,
When controller 2 judges that the ozone concentration around current multi-function printer is in safe range, controller 2 passes through communication module
25 inform that pre-set user can be close to multi-function printer.
Optionally, multi-function printer further include: the pyroelectric sensor 12 on multi-function printer shell is set, heat
Electric transducer 12 is released to be electrically connected with controller 2.Specifically, pyroelectric sensor 12 is also known as infrared sensor of the human body, it is multi-functional to beat
Pyroelectric sensor 12 on print machine shell be able to detect that around multi-function printer whether someone, confirm in controller 2 more
When being unmanned environment around function printer, controller 2 controls electric exhausting valve 8 and electronics nozzle 10 is discharged in collecting box 6
Air containing ozone, clean multi-function printer.
Optionally, corona wire 13, the high-voltage power module of corona wire 13 and multi-function printer are additionally provided in collecting box 6
14 electrical connections, controller 2 are electrically connected with high-voltage power module 14.Specifically, multi-function printer also has to high voltage power supply mould
The function of the progress power detecting of block 14.Controller 2 obtains ozone concentration current in collecting box 6 by the second ozone sensor 7
Information, controller 2 controls the electric energy that corona wire 13 of the high-voltage power module 14 into collecting box 6 exports certain power, due to applying
Increasing piezoelectricity makes corona wire 13 ionize the air generation ozone in collecting box 6, and the second ozone sensor 7 detects collecting box again
Current ozone concentration in 6, and controller 2 by the second ozone sensor 7 obtain corona wire 13 ionize after, in collecting box 6 when
Preceding ozone concentration, then controller 2 is by the way that front and back ozone concentration to be compared, and the difference of ozone concentration before and after obtaining will
The power that the difference and high-voltage power module 14 export is to matching, so that controller 2 judges whether high-voltage power module 14 is normal,
Realization detects high-voltage power module 14.
Optionally, heating wire 15 and temperature sensor 16 are additionally provided in collecting box 6；Heating wire 15 and multi-function printer
High-voltage power module 14 be electrically connected；Temperature sensor 16 is electrically connected with controller 2.Specifically, multi-function printer also has
The function of ozone decomposition.If next a period of time does not use the multi-function printer, need to decompose for the sake of security
Ozone in collecting box 6.Firstly, controller 2 obtains ozone concentration current in collecting box 6 by the second ozone sensor 7；So
Afterwards, controller 2 controls high-voltage power module 14 to the application electric energy of heating wire 15, so that heating wire 15 generates heat, passes through heating and collects
Air in case 6 accelerates the decomposition of ozone；Then, controller 2 obtains temperature current in collecting box 6 by temperature sensor 16
Degree and controller 2 are according to the ozone concentration in the second ozone sensor 7 in real time acquisition collecting box 6, to decompose collecting box 6
In ozone.
Optionally, it is additionally provided with the decomposition lamp 22 for decomposing ozone in collecting box 6 inside multi-function printer, decomposes lamp
22 are electrically connected with controller 2, are provided with transmittance section on the side wall opposite with lamp 22 is decomposed of collecting box 6.Specifically, multifunctional printing
Machine can also decompose the ultraviolet light for the 254nm wavelength that lamp 22 is current version by decomposing the ozone in the decomposition collecting box 6 of lamp 22
Lamp.Ozone has strong absorption to the ultraviolet light of 254nm wavelength, so that ozone can be decomposed into elemental oxygen and oxygen.
Firstly, controller 2 obtains ozone concentration current in collecting box 6 by the second ozone sensor 7；Then, it shows the score for 2 points of controller
Lamp 22 is solved, the ultraviolet light for decomposing the 254nm wavelength that lamp 22 issues is irradiated by the transmittance section of collecting box 6 into collecting box 6, so that
The ultraviolet light of Ozone Absorption 254nm wavelength in collecting box 6, is decomposed into elemental oxygen and oxygen；Then controller 2 is further according to second
Ozone sensor 7 determines the ozone concentration in collecting box 6, to complete the work decomposed to the ozone in collecting box 6.Into
One step, it can also will decompose lamp 22 and be combined together with heating wire 15, to decompose the ozone in collecting box 6.
Optionally, 3 first end of admission line is disposed with the first filter screen 17, discharge electrode 18, collecting electrode 19,
Two filter screens 20 and air flow sensor 21；Discharge electrode 18 is electrically connected with the high-voltage power module 14 of multi-function printer；Air quantity
Sensor 21 is electrically connected with controller 2.
Specifically, since the air containing ozone that admission line 3 sucks may carry toner particles and printer
Internal dust, i.e. multi-function printer also have the function of cleaning printer internal dust.Admission line 3 first end to
Second extreme direction is disposed with the first filter screen 17 for carrying out primary filtration, the air for sucking to admission line 3
In toner particles or dust apply charge discharge electrode 18, for adsorb electrically charged toner particles or dust dust electricity
Pole 19, the second filter screen 20 for carrying out secondary filter and for detect pass through the second filter screen 20 air air quantity sensing
Device 21.Controller 2 controls high-voltage power module 14 and applies voltage to discharge electrode 18, after 3 first end of admission line sucks air,
First filter screen 17 crosses biggish toner particles or dust in air filtering, and the toner particles or dust then sucked in air are passed through
When discharge electrode 18, discharge electrode 18 applies charge to toner particles or dust, then applies the toner particles or dust of charge
When by collecting electrode 19, collecting electrode 19 can adsorb the toner particles or dust for applying charge, and then air passes through the second mistake
Strainer 20 filters again, does not carry toner particles or dust as much as possible by the air of the second filter screen 20 to ensure, so
The air of the second filter screen 20 is passed through in the detection of air flow sensor 21 afterwards, and generates air volume test information and be sent to controller 2, so that
Controller 2 obtains the air quantity for passing through the second filter screen 20, to not belong in the judgement of controller 2 by the air quantity of the second filter screen 20
When normal range (NR), controller 2 can light malfunction indicator lamp on printer or controller 2 and be accused by communication module 25
Know that pre-set user needs to clear up multi-function printer.
Optionally, multi-function printer further include: at least two electric telescopic rods 23 and gyroscope 24；Electric telescopic rod 23
The bottom of multi-function printer is set, and the motor of electric telescopic rod 23 is electrically connected with controller 2；Gyroscope 24 is arranged in more function
Can printer and gyroscope 24 be electrically connected with controller 2.
Specifically, multi-function printer also has condition Self-balancing.The mode of existing printer adjustment are as follows: use
Family by repeated multiple times determination and is adjusted to ensure that printer is in opposite water by manually adjusting fixing piece arranged at the bottom
Flat state.Some printers do not have the function of adjustment also, only guarantee printer by being placed on horizontal table top
In horizontality.Balance of the gyroscope 24 inside multi-function printer by detection multi-function printer is set,
And generate detection balancing information and be sent to controller 2, controller 2 is obtained by the way that detection balancing information is analyzed and handled
The current equilibrium state of multi-function printer；Then according to equilibrium state, controller 2 is made by adjusting electric telescopic rod 23 again
Multi-function printer is in horizontality, to realize the function of automatic adjustment multi-function printer balance.It is intelligible, it is electronic
Telescopic rod 23 can be the electric telescopic rod of current version, and the quantity of electric telescopic rod 23 can rely on printer actual size ruler
Very little and electric telescopic rod 23 shape determines.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of multi-function printer characterized by comprising the first ozone of setting senses inside the multi-function printer
Device, controller, admission line, exhaust fan, gas compressing apparatus, collecting box, the second ozone sensor, electric exhausting valve and row
Feed channel；Electronics nozzle and third ozone sensor are set on the shell of the multi-function printer；
First ozone sensor is electrically connected with the controller, and first ozone sensor is for detecting corona wire ionization
Ozone concentration when air is photosensitive drum charging；The admission line first end is set in the admission line for sucking air
It is equipped with the exhaust fan and the exhaust fan is electrically connected with the controller, the admission line second end and the gas compression
The first end of device is connected to, and the second end of the gas compressing apparatus is connected to the input terminal of the collecting box, the gas pressure
Compression apparatus is electrically connected with the controller；Second ozone sensor, and second ozone are provided in the collecting box
Sensor is electrically connected with the controller；The output end of the collecting box is provided with the electric exhausting valve, and described electronic
Drain tap is electrically connected with the controller, and the output end of the collecting box is connected to the first end of the exhaust pipe；It is described
The second end of exhaust pipe is connected to the electronics nozzle；The third ozone sensor is electrically connected with the controller.
2. a kind of multi-function printer according to claim 1, which is characterized in that the multi-function printer further include:
Pyroelectric sensor on the multi-function printer shell is set, and the pyroelectric sensor is electrically connected with the controller
It connects.
3. a kind of multi-function printer according to claim 2, which is characterized in that be additionally provided with corona in the collecting box
Silk, the corona wire are electrically connected with the high-voltage power module of the multi-function printer, the controller and the high voltage power supply
Module electrical connection.
4. a kind of multi-function printer according to claim 3, which is characterized in that be additionally provided with electric heating in the collecting box
Silk and temperature sensor；The heating wire is electrically connected with the high-voltage power module of the multi-function printer；The temperature sensing
Device is electrically connected with the controller.
5. a kind of multi-function printer according to claim 4, which is characterized in that also set inside the multi-function printer
It is equipped with the decomposition lamp for decomposing ozone in the collecting box, the decomposition lamp is electrically connected with the controller, the collecting box
Transmittance section is provided on the side wall opposite with the decomposition lamp.
6. a kind of multi-function printer according to claim 3, which is characterized in that the admission line first end is successively set
It is equipped with the first filter screen, discharge electrode, collecting electrode, the second filter screen and air flow sensor；The discharge electrode and described more
The high-voltage power module of function printer is electrically connected；The air flow sensor is electrically connected with the controller.
7. a kind of multi-function printer according to claim 1, which is characterized in that the multi-function printer further include:
At least two electric telescopic rods and gyroscope；The bottom of the multi-function printer, the electricity is arranged in the electric telescopic rod
The motor of dynamic telescopic rod is electrically connected with the controller；The gyroscope is arranged inside the multi-function printer and the top
Spiral shell instrument is electrically connected with the controller.
8. a kind of multi-function printer according to claim 1, which is characterized in that the multi-function printer further include:
Communication module, the communication module is arranged inside the multi-function printer and the communication module is electrically connected with the controller
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601386.4A CN110196544A (en) | 2019-07-04 | 2019-07-04 | A kind of multi-function printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601386.4A CN110196544A (en) | 2019-07-04 | 2019-07-04 | A kind of multi-function printer |
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| CN110196544A true CN110196544A (en) | 2019-09-03 |
Family
ID=67755829
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| CN201910601386.4A Pending CN110196544A (en) | 2019-07-04 | 2019-07-04 | A kind of multi-function printer |
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| GB2594052A (en) * | 2020-04-07 | 2021-10-20 | Landa Labs 2012 Ltd | Apparatus for coating a surface with particles |
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| JPH02293767A (en) * | 1989-05-08 | 1990-12-04 | Ricoh Co Ltd | Copying device |
| JP2004301978A (en) * | 2003-03-31 | 2004-10-28 | Hitachi Ltd | Image forming apparatus |
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Application publication date: 20190903 |
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| RJ01 | Rejection of invention patent application after publication |