CN103092038A - Printing/copying method and equipment - Google Patents
Printing/copying method and equipment Download PDFInfo
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- CN103092038A CN103092038A CN2013100549739A CN201310054973A CN103092038A CN 103092038 A CN103092038 A CN 103092038A CN 2013100549739 A CN2013100549739 A CN 2013100549739A CN 201310054973 A CN201310054973 A CN 201310054973A CN 103092038 A CN103092038 A CN 103092038A
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Abstract
The invention relates to the printing technical field, in particular to a printing/copying method and equipment, wherein the printing/copying method comprises the following steps of: step 1, drawing an electrostatic image in the form of a charge pattern by using laser; and step 2, attracting colorless powdered ink and colored powdered ink to the position of the electrostatic image under the electrostatic action of charges, respectively; and then transferring the colorless powdered ink and the colored powdered ink on paper, wherein the colored powdered ink covers one side of the colorless powdered ink far away from paper, the colorless powdered ink is located in the fibers of the paper, and the colored powdered ink floats on the surface layer of the paper. The printing/copying method and equipment provided by the invention are capable of clearing away character or image ink marks caused by printing or copying on the paper surface so that the paper can be used for repeated printing or copying of new characters or images.
Description
Technical field
The present invention relates to printing technology, be specifically related to a kind of printing, copy method and equipment.
Background technology
Existing colored image-forming principle with black and white laser printing, duplicating machine is consistent, all adopts the electrophotographic image forming principle, all has following 4 steps:
1) exposure.When machine is started working, electric charge on the photosensitive drum charging band, when photosensitive drums was rotated, generating laser can be emitted laser beam by the surface of photosensitive drums, and the electric charge at some somes place is discharged.Like this, laser has just been drawn out with the form of charge pattern and will have been beaten the letter of duplicating and the electrostatic image of image.
2) development (video picture).The process of developing is to allow electrostatic image partly is stained with ink powder on photosensitive drums, obtains visible picture point.
3) transfer printing.The photosensitive drums that is rasterized is rotated further, and during by the transfer printing corona discharge electrode, video picture point can be transferred on printer paper when drum surface.
4) photographic fixing (fixing).Image will further carry out photographic fixing by fuser after photosensitive drums is transferred on printer paper.When the fuser, the heat that fuser is sent is softening with ink powder when printer paper, and the ink powder after softening by roll directly is pressed in the fiber of paper, image is fixed, but formed the result that records of persistence.
With reference to Fig. 1, existing laser printing, reprography scheme are generating laser 1a, laser signal is transmitted into the stupefied mirror 2a of reflection, and 2a reflexes to photosensitive drums 3a with laser signal, and at 3a surface formation electrostatic latent image, be adsorbed on 3a by the coloured ink powder 5a in electrostatic attraction powder box 4a, ink powder image on 3a is transferred on paper 6a, and 5a is softened through fixing component 7a, through roll 8a, 5a is pressed in the fiber of 6a, the image 9a that solidify to form printing, duplicates.
Existing laser printing or reprography are by the electrophotographic image forming principle, black or color toner heating and melting also directly are pressed into formation word or image in paper fibre, but due to this method be with ink powder directly heating be pressed among the fiber of paper, the ink marks that causes infiltrating among paper fibre can't be removed, every paper can only respectively be printed or duplicate once in positive and negative two sides at most, can't continue again to use, cause a large amount of wastes of paper.Even if deliver to factory when the recycled writing paper manufacturing, also can only repeat 5-7 times and make recycled writing paper, because recovery each time all can allow the fiber of paper shorten, this process also consumes a large amount of energy and resource simultaneously, also easily causes environmental pollution.
Summary of the invention
The invention provides a kind of printing, copy method and equipment, can remove the printing on paper or duplicate word or the image ink marks that produces, make paper can repeat printing or the duplicating of new word or image.
The invention provides a kind of printing, copy method, comprising:
Step 1: use laser to draw electrostatic image with the form of charge pattern;
Step 2: the electrostatic interaction by electric charge is attracted to colourless ink powder and coloured ink powder respectively the position of described electrostatic image, again described colourless ink powder and described coloured ink powder are needed on paper, and described coloured ink powder is overlying on described colourless ink powder away from a side of paper, and described colourless ink powder is in the fiber of paper, and described coloured ink powder floats on the top layer of paper.
In various embodiments of the present invention, preferably, in step 2, described coloured ink powder and described colourless ink powder are attracted to successively the position of described electrostatic image, and described colourless ink powder covers described coloured ink powder fully, after be needed on simultaneously described colourless ink powder and described coloured ink powder on paper again;
After described transfer printing, further comprise photographic fixing and roll, make described clear ink pruinescence be pressed in the fiber of paper, keep simultaneously described coloured ink powder to float on the top layer of paper.
In various embodiments of the present invention, preferably, in step 2, first described colourless ink powder is attracted to the position of described electrostatic image, and described colourless ink powder is needed on paper, and carry out photographic fixing and roll after this transfer printing, make described clear ink pruinescence be pressed in the fiber of paper;
Again described coloured ink powder is attracted to afterwards the position of described electrostatic image, and described coloured ink powder is needed on the paper that is printed on described colourless ink powder, and carry out photographic fixing and roll after this transfer printing, keep described coloured ink powder to float on the top layer of paper.
In various embodiments of the present invention, preferably, described colourless ink powder has following at least a identical performance characteristic with described coloured ink powder: friction belt electrically, grain size, uniform particles degree, ink powder mobility, transfer printing, hot melt.
In various embodiments of the present invention, preferably, described a kind of printing, copy method further comprise:
Step 3: the coloured ink powder and the colourless ink powder that strike off the top layer that floats on paper.
In various embodiments of the present invention, preferably, described a kind of printing, copy method further comprised before step 3:
The paper that is printed on described colourless ink powder and described coloured ink powder is heated, make the deliquescing of being heated of described colourless ink powder and described coloured ink powder.
Printing, copier that the present invention also provides a kind of printing, copy method as the aforementioned to use comprise:
Photosensitive drums, it is used for charging and carrying electric charge;
Generating laser, it is arranged on a side of described photosensitive drums, and be used for the Emission Lasers bundle and by described laser beam at the described electrostatic image of the surface rendering of described photosensitive drums;
Coloured print cartridge, it is arranged on a side of described photosensitive drums, and the opening of described coloured print cartridge is towards the drum surface of described photosensitive drums, and the inside of described coloured print cartridge is loaded with coloured ink powder, this colored powder carries electric charge, and the electrode of the entrained electric charge of this electric charge and described photosensitive drums is opposite;
Colourless print cartridge, it is arranged on a side of described photosensitive drums, and the opening of described colourless print cartridge is towards the drum surface of described photosensitive drums, and the inside of described colourless print cartridge is loaded with colourless ink powder, this colourless powder carries electric charge, and the electrode of the entrained electric charge of this electric charge and described photosensitive drums is opposite.
In various embodiments of the present invention, preferably, described a kind of printing, copier further comprise:
Fuser, it is used for completing the process of described photographic fixing after described transfer printing;
Roll, it is used for completing the described process that rolls after the process of described photographic fixing.
In various embodiments of the present invention, preferably, described a kind of printing, copier further comprise:
The propulsion system of signal control device and described photosensitive drums;
Described signal control device is connected with described generating laser, and transmits to described generating laser, and what the described generating laser of simultaneously described signal control device reception sent it back transmits.
In various embodiments of the present invention, preferably, described a kind of printing, copier further comprise:
Scraper tool, it is used for striking off coloured ink powder and the colourless ink powder on the top layer that floats on paper;
Heating arrangement, it is used for before the coloured ink powder that strikes off the top layer that floats on paper and colourless ink powder, paper being heated.
By a kind of printing, copy method and the equipment that various embodiments of the present invention provide, can bring following at least a beneficial effect:
1. can remove the printing on paper or duplicate word or the image ink marks that produces, making paper can repeat printing or the duplicating of new word or image.Printing provided by the invention, copy method are attracted to colourless ink powder and coloured ink powder respectively the position of described electrostatic image (by with surface the draw electrostatic image that obtain of Laser emission to photosensitive drums) by the electrostatic interaction of electric charge (photosensitive drums is carried), again described colourless ink powder and described coloured ink powder are needed on paper, colourless ink powder and coloured ink powder are regional owing to all just having covered electrostatic image, so for same electrostatic image, the image that colourless ink powder and coloured ink powder are drawn is identical, thereby the image that is transferred on paper is also identical.The result that obtains after transfer printing is that colourless ink powder first is applied on paper, and be pressed in the fiber of paper, coloured ink powder is overlying on the upper strata of colourless ink powder, be that coloured ink powder is positioned at colourless ink powder away from a side of paper, so just both display pattern and word on paper, and don't make coloured ink powder enter in the fiber of paper.Thereby can strike off floating on coloured ink powder on paper top layer and colourless ink powder (part is not pressed into the colourless ink powder in the fiber of paper) after using, obtain the white paper without ink marks, thereby can further be reused.Can repeat to strike off the step of ink marks after printing at every turn or having duplicated, thereby can repeatedly reuse.
2. can more easily strike off the ink marks (ink powder) on paper.The printing that embodiments of the invention provide, copy method and printing, copier can first heat paper before striking off step, make the deliquescing of being heated of ink marks (ink powder) on paper, thereby be easier to make ink marks to separate with paper when striking off, thereby more easily strike off the ink marks on paper.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of a kind of embodiment of prior art;
Fig. 2 is the equipment schematic diagram that embodiments of the invention two use in step 1;
Fig. 3 is that embodiments of the invention two first are attracted to colourless ink powder and coloured ink powder the equipment schematic diagram that the process of photosensitive drums is used in step 2;
Fig. 4 is transferred to colourless ink powder and coloured ink powder the equipment schematic diagram that the process on paper is used after the step of Fig. 3;
Fig. 5 strikes off the equipment schematic diagram that the ink powder on paper uses after the step of Fig. 4 again;
Fig. 6 is the equipment schematic diagram that embodiments of the invention three use.
Embodiment
Below with reference to accompanying drawing, the technical scheme of various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
Embodiment one
In embodiments of the invention one, printing, copy method comprise:
Step 1: use laser to draw electrostatic image with the form of charge pattern;
Step 2: the electrostatic interaction by electric charge is attracted to colourless ink powder and coloured ink powder respectively the position of described electrostatic image, again described colourless ink powder and described coloured ink powder are needed on paper, and described coloured ink powder is overlying on described colourless ink powder away from a side of paper, and described colourless ink powder is in the fiber of paper, and described coloured ink powder floats on the top layer of paper.
In embodiment one, colourless ink powder and coloured ink powder are regional owing to all just having covered electrostatic image, so for same electrostatic image, the image that colourless ink powder and coloured ink powder are drawn is identical, thereby the image that is transferred on paper is also identical.The result that obtains after transfer printing is that colourless ink powder first is applied on paper, and be pressed in the fiber of paper, coloured ink powder is overlying on the upper strata of colourless ink powder, be that coloured ink powder is positioned at colourless ink powder away from a side of paper, so just both display pattern and word on paper, and don't make coloured ink powder enter in the fiber of paper.Thereby can strike off floating on coloured ink powder on paper top layer and colourless ink powder (part is not pressed into the colourless ink powder in the fiber of paper) after using, obtain the white paper without ink marks, thereby can further be reused.Can repeat to strike off the step of ink marks after printing at every turn or having duplicated, thereby can repeatedly reuse.
Preferably, the step 2 of embodiment one can realize by two kinds of methods, and the first is first coloured ink powder to be drawn to the electrostatic image position, more colourless ink powder is drawn to the electrostatic image position of inhaling coloured ink powder, and wherein, colourless ink powder covers coloured ink powder fully.Like this, primary transfer can be transferred to colourless ink powder and coloured ink powder on paper, and the clear ink pruinescence is pressed in the fiber of paper, and coloured ink powder floats on the top layer of paper.Second method is existing colourless ink powder to be drawn to the electrostatic image position, and colourless ink powder is transferred on paper, and by photographic fixing with roll, colourless ink powder is pressed in the fiber of paper; Again coloured ink powder is drawn to the electrostatic image position, then coloured ink powder is transferred on the paper that is printed on colourless ink powder, and coloured ink powder is identical with image or word that colourless ink powder is drawn, and by photographic fixing with roll, thereby can make coloured ink powder be covered on colourless ink powder and float on the top layer of paper.
Embodiment two
Embodiment two is descriptions that the first implementation method of the step 2 in embodiment one is carried out, described coloured ink powder and described colourless ink powder are attracted to successively the position of described electrostatic image, and described colourless ink powder covers described coloured ink powder fully, after be needed on simultaneously described colourless ink powder and described coloured ink powder on paper again; After described transfer printing, further comprise photographic fixing and roll, make described clear ink pruinescence be pressed in the fiber of paper, keep simultaneously described coloured ink powder to float on the top layer of paper.
In conjunction with Fig. 2, Fig. 3, Fig. 4, Fig. 5, in embodiment two, printing, copy method comprise:
Exposure.When machine is started working, electric charge on photosensitive drums 3 charge-carrying belts, when photosensitive drums was rotated, generating laser 1 was transmitted into the stupefied mirror 2 of reflection with laser signal, reflects stupefied mirror 2 laser signal is reflexed to photosensitive drums 3, and the electric charge at some somes place is discharged.Like this, laser has just been drawn out with the form of charge pattern and will have been beaten the letter of duplicating and the electrostatic image of image.
Twice development (video picture).Develop for the first time, be in coloured print cartridge 4 coloured ink powder 5 because of with the photosensitive drums opposite charges, and be electrostatically attracted on photosensitive drums.Photosensitive drums is rotated further, rotate to the colourless ink powder of clear ink powder box 6(with the photosensitive drums of coloured ink powder 5 and also can be white ink powder) locate, owing to continuing to be subject to electrostatic attraction, the colourless ink powder 7 in clear ink powder box 6 is adsorbed onto on coloured ink powder 5, and cover coloured ink powder 5 fully, complete development.
Transfer printing and photographic fixing (fixing).The photosensitive drums that is developed is rotated further, and during by the transfer printing corona discharge electrode, video picture point can be transferred on printer paper 8 when drum surface.Image will further carry out photographic fixing by fuser after photosensitive drums is transferred on printer paper.When printer paper passes through fuser 9, the heat of certain calorific value that fuser is sent, two-layer ink powder is softening, the coloured ink powder in upper strata and lower floor colourless (or white) ink powder bonding, and the roll 10 that passes through, the dynamics setting of roll is pressed in the fiber of paper the bottom after just in time softening colourless (or white) ink powder, and does not enter in the fiber of paper on coloured ink powder rests on colourless (or white) ink powder, fix along with temperature reduces ink powder, form with the paper 11 that records result.
Except word.Paper 8 enters except the word assembly, and through the heating of heating arrangement 12, ink marks 11 deliquescing of being heated is advanced under the drive of roller bearing, and when the screed blade 13 by arranging according to predetermined angular, the coloured ink marks in upper strata is disallowable; By the ink powder gathering-device, the ink powder on blade to be collected in ink powder disposable box 14, the paper ink marks is eliminated.This paper just can be regenerated and be reused, and the ink powder that ink powder disposable box 14 is collected is reproducible utilization also.
Embodiment three
Embodiment three is descriptions that the second implementation method of the step 2 in embodiment one is carried out, first described colourless ink powder is attracted to the position of described electrostatic image, and described colourless ink powder is needed on paper, and carry out photographic fixing and roll after this transfer printing, make described clear ink pruinescence be pressed in the fiber of paper;
Again described coloured ink powder is attracted to afterwards the position of described electrostatic image, and described coloured ink powder is needed on the paper that is printed on described colourless ink powder, and carry out photographic fixing and roll after this transfer printing, keep described coloured ink powder to float on the top layer of paper.
In conjunction with Fig. 5, Fig. 6 (step of striking off ink marks in the Fig. 5 in embodiment two can be used in embodiment three), in embodiment three, printing, copy method comprise:
in the A district, when machine is started working, electric charge on photosensitive drums 3 charge-carrying belts, when photosensitive drums is rotated, send signal by signal control device 15, generating laser 1 receives this signal, and laser signal is transmitted into the stupefied mirror 2 of reflection, reflect stupefied mirror 2 laser signal is reflexed to photosensitive drums 3, the electric charge at some somes place is discharged, laser has just been drawn out with the form of charge pattern will beat the letter of duplicating and the electrostatic image of image, owing to being subject to electrostatic attraction, the colourless ink powder of clear ink powder box 6(also can be white ink powder) in colourless ink powder 7 be electrostatically attracted on photosensitive drums, complete development, the photosensitive drums that is developed is rotated further, and during by the transfer printing corona discharge electrode, video picture point can be transferred on printer paper 8 when drum surface, and image will further carry out photographic fixing by fuser after photosensitive drums is transferred on printer paper, when printer paper passes through fuser 9, the heat of certain calorific value that fuser is sent, colourless ink powder 7 is softening, and by roll 10, the dynamics of roll makes colourless (or white), and ink powder is pressed in the fiber of paper.Paper is subjected to traction to continue to move ahead, enter the B district, signal control device 15 sends same signal, generating laser 1 receives this signal, and laser signal is transmitted into the stupefied mirror 2 of reflection, reflects stupefied mirror 2 laser signal is reflexed to photosensitive drums 3, the letter that formation and A district are same and the electrostatic image of image, owing to being subject to electrostatic attraction, the coloured ink powder 5 in coloured powder box 4 is electrostatically attracted on photosensitive drums, completes development; Through with the transfer step same in the A district, coloured ink powder 5 is really printed to by becoming a full member directly over white (colourless) ink marks of A district's printing, coloured ink powder just in time covers white (colourless) ink marks, fixing device sends certain heat, make coloured ink powder softening, and the roll 10 that passes through, the dynamics setting of roll makes coloured ink powder be combined with white (colourless) ink marks, forms with the paper that records result.
Except word.Paper 8 enters except the word assembly, and through the heating of heating arrangement 12, ink marks 11 deliquescing of being heated is advanced under the drive of roller bearing, and when the screed blade 13 by arranging according to predetermined angular, the coloured ink marks in upper strata is disallowable; By the ink powder gathering-device, the ink powder on blade to be collected in ink powder disposable box 14, the paper ink marks is eliminated.This paper just can be regenerated and be reused, and the ink powder that ink powder disposable box 14 is collected is reproducible utilization also.
On the basis of above-described embodiment, preferably, in order effectively to guarantee that colourless ink powder and coloured ink powder are drawn to the surface of photosensitive drums and form same image or word, colourless ink powder has following at least a identical performance characteristic with coloured ink powder: friction belt is electrical, grain size, uniform particles degree, ink powder mobility, transfer printing, hot melt.
On the basis of above-described embodiment, preferably, when striking off the ink powder on the top layer that floats on paper, can strike off coloured ink powder, also can strike off the colourless ink powder of part.Preferably, before striking off step, the paper that is printed on described colourless ink powder and described coloured ink powder is heated, make the deliquescing of being heated of described colourless ink powder and described coloured ink powder, can reduce like this between colourless ink powder, coloured ink powder reaching both and the cohesive force between paper, be convenient to strike off.
Printing, copier that the present invention also provides a kind of printing, copy method as the aforementioned to use comprise:
Photosensitive drums, it is used for charging and carrying electric charge;
Generating laser, it is arranged on a side of described photosensitive drums, and be used for the Emission Lasers bundle and by described laser beam at the described electrostatic image of the surface rendering of described photosensitive drums;
Coloured print cartridge, it is arranged on a side of described photosensitive drums, and the opening of described coloured print cartridge is towards the drum surface of described photosensitive drums, and the inside of described coloured print cartridge is loaded with coloured ink powder, this colored powder carries electric charge, and the electrode of the entrained electric charge of this electric charge and described photosensitive drums is opposite;
Colourless print cartridge, it is arranged on a side of described photosensitive drums, and the opening of described colourless print cartridge is towards the drum surface of described photosensitive drums, and the inside of described colourless print cartridge is loaded with colourless ink powder, this colourless powder carries electric charge, and the electrode of the entrained electric charge of this electric charge and described photosensitive drums is opposite.
In various embodiments of the present invention, preferably, described a kind of printing, copier further comprise:
Fuser, it is used for completing the process of described photographic fixing after described transfer printing;
Roll, it is used for completing the described process that rolls after the process of described photographic fixing.
In various embodiments of the present invention, preferably, described a kind of printing, copier further comprise:
The propulsion system of signal control device and described photosensitive drums;
Described signal control device is connected with described generating laser, and transmits to described generating laser, and what the described generating laser of simultaneously described signal control device reception sent it back transmits.This signal controller is the signal device of checking the mark, and same signal is divided into different time passes to generating laser.The mutual sending and receiving that signal is arranged between signal controller and generating laser.
In various embodiments of the present invention, preferably, described a kind of printing, copier further comprise:
Scraper tool, it is used for striking off coloured ink powder and the colourless ink powder on the top layer that floats on paper;
Heating arrangement, it is used for before the coloured ink powder that strikes off the top layer that floats on paper and colourless ink powder, paper being heated.
Various embodiment provided by the invention can be as required combination mutually in any way, the technical scheme that obtains by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and within modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also comprises these changes and modification interior.
Claims (10)
1. a printing, copy method is characterized in that, comprising:
Step 1: use laser to draw electrostatic image with the form of charge pattern;
Step 2: the electrostatic interaction by electric charge is attracted to colourless ink powder and coloured ink powder respectively the position of described electrostatic image, again described colourless ink powder and described coloured ink powder are needed on paper, and described coloured ink powder is overlying on described colourless ink powder away from a side of paper, and described colourless ink powder is in the fiber of paper, and described coloured ink powder floats on the top layer of paper.
2. a kind of printing as claimed in claim 1, copy method, is characterized in that,
In step 2, described coloured ink powder and described colourless ink powder are attracted to successively the position of described electrostatic image, and described colourless ink powder covers described coloured ink powder fully, after be needed on simultaneously described colourless ink powder and described coloured ink powder on paper again;
After described transfer printing, further comprise photographic fixing and roll, make described clear ink pruinescence be pressed in the fiber of paper, keep simultaneously described coloured ink powder to float on the top layer of paper.
3. a kind of printing as claimed in claim 1, copy method, is characterized in that,
In step 2, first described colourless ink powder is attracted to the position of described electrostatic image, and described colourless ink powder is needed on paper, and carry out photographic fixing and roll after this transfer printing, make described clear ink pruinescence be pressed in the fiber of paper;
Again described coloured ink powder is attracted to afterwards the position of described electrostatic image, and described coloured ink powder is needed on the paper that is printed on described colourless ink powder, and carry out photographic fixing and roll after this transfer printing, keep described coloured ink powder to float on the top layer of paper.
4. a kind of printing as claimed in claim 1, copy method, it is characterized in that, described colourless ink powder has following at least a identical performance characteristic with described coloured ink powder: friction belt electrically, grain size, uniform particles degree, ink powder mobility, transfer printing, hot melt.
5. a kind of printing as claimed in claim 1, copy method, is characterized in that, further comprises:
Step 3: the coloured ink powder and the colourless ink powder that strike off the top layer that floats on paper.
6. a kind of printing as claimed in claim 5, copy method, is characterized in that, further comprised before step 3: the paper that is printed on described colourless ink powder and described coloured ink powder is heated, make the deliquescing of being heated of described colourless ink powder and described coloured ink powder.
7. the printing, the copier that use of a kind of printing as described in claim 1-6 any one, copy method, is characterized in that, comprising:
Photosensitive drums, it is used for charging and carrying electric charge;
Generating laser, it is arranged on a side of described photosensitive drums, and be used for the Emission Lasers bundle and by described laser beam at the described electrostatic image of the surface rendering of described photosensitive drums;
Coloured print cartridge, it is arranged on a side of described photosensitive drums, and the opening of described coloured print cartridge is towards the drum surface of described photosensitive drums, and the inside of described coloured print cartridge is loaded with coloured ink powder, this colored powder carries electric charge, and the electrode of the entrained electric charge of this electric charge and described photosensitive drums is opposite;
Colourless print cartridge, it is arranged on a side of described photosensitive drums, and the opening of described colourless print cartridge is towards the drum surface of described photosensitive drums, and the inside of described colourless print cartridge is loaded with colourless ink powder, this colourless powder carries electric charge, and the electrode of the entrained electric charge of this electric charge and described photosensitive drums is opposite.
8. a kind of printing as claimed in claim 7, copier, is characterized in that, further comprises:
Fuser, it is used for completing the process of described photographic fixing after described transfer printing;
Roll, it is used for completing the described process that rolls after the process of described photographic fixing.
9. a kind of printing as claimed in claim 7, copier, is characterized in that, further comprises:
The propulsion system of signal control device and described photosensitive drums;
Described signal control device is connected with described generating laser, and transmits to described generating laser, and what the described generating laser of simultaneously described signal control device reception sent it back transmits.
10. a kind of printing as claimed in claim 7, copier, is characterized in that, further comprises:
Heating arrangement, it is used for before the coloured ink powder that strikes off the top layer that floats on paper and colourless ink powder, paper being heated;
Scraper tool, it is used for striking off coloured ink powder and the colourless ink powder on the top layer that floats on paper;
The ink powder disposable box, it is used for collecting the described coloured ink powder that strikes off and colourless ink powder.
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| CN201310054973.9A CN103092038B (en) | 2013-02-20 | 2013-02-20 | A kind of printing, copy method and equipment |
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| CN201310054973.9A CN103092038B (en) | 2013-02-20 | 2013-02-20 | A kind of printing, copy method and equipment |
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| CN104070834A (en) * | 2014-06-26 | 2014-10-01 | 余应皇 | Waste paper circulating reusing method and waste paper circulating reusing printer |
| JP2018084619A (en) * | 2016-11-21 | 2018-05-31 | 株式会社沖データ | Image forming apparatus |
| CN113253588A (en) * | 2021-06-11 | 2021-08-13 | 成都纺织高等专科学校 | Translation transfer type color ink powder printing machine and printing process |
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