CN115042534A - Digital printing machine for double-sided spray printing of single-cylinder roll paper and printing method - Google Patents
Digital printing machine for double-sided spray printing of single-cylinder roll paper and printing method Download PDFInfo
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- CN115042534A CN115042534A CN202210851315.1A CN202210851315A CN115042534A CN 115042534 A CN115042534 A CN 115042534A CN 202210851315 A CN202210851315 A CN 202210851315A CN 115042534 A CN115042534 A CN 115042534A
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- paper tape
- paper
- roller
- printing
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
Abstract
The invention discloses a single-vat roll paper double-sided spray printing digital printing machine and a printing method. According to the invention, the large cylinder is arranged, and one large cylinder is used for replacing a plurality of original small rollers, so that the paper tape is always attached to the large cylinder in the spray printing process, the movement of the paper tape is stable, the offset caused by roller change is greatly reduced, and the spray printing precision is improved.
Description
Technical Field
The invention belongs to the field of digital printing machines, and particularly relates to a single-cylinder and large-cylinder roll paper double-sided jet printing digital printing machine and a printing method.
Background
The digital printer breaks through the technical bottleneck of digital printing, and compared with the traditional printing system, the printing system is economical and convenient with extremely low printing cost and high-quality printing effect, and has extremely low system investment, digital operation mode and limited space occupation, so that the system has greater market prospect. Is the best complement to the traditional printing and is the replacement product of the traditional printing machine.
In a jet printing part of a traditional digital printer, materials are supported by two or more small paper guide rollers, paper is kept in a planar state below a spray head by tension tensioning, and jet printing is completed, but the precision of digital printing is influenced by parallelism error between every two paper guide rollers, slight fluctuation change of tension in the printing process and deflection of the paper in the moving process.
Disclosure of Invention
The invention aims to provide a digital printing machine for double-sided spray printing of single-cylinder and large-cylinder roll paper and a printing method, which have the advantages of higher printing precision and higher quality through improving the structure.
In order to solve the problems in the prior art, the invention adopts the technical scheme that:
a digital printing machine for double-sided spray printing of single-cylinder and large-cylinder roll paper comprises a supporting assembly, wherein the supporting assembly is connected with a paper roll, a large cylinder, a spray printing assembly, a reversing assembly and a drying assembly.
The paper roll discharges paper to form a paper tape, the paper tape sequentially bypasses the vat, the drying assembly and the reversing assembly, and the spray printing assembly is used for spraying the paper tape.
Through setting up the vat, utilize a vat to replace original a plurality of little rollers for the paper tape is hugged closely with the vat all the time at the in-process that spouts the seal, makes its motion stable, reduces greatly because the offset that the roll change produced improves and spouts the seal precision.
Further, the scroll rotates to be connected in supporting component, and when the scroll goes out the paper, the scroll followed the paper tape and removed and rotates, the vat rotates to be connected in supporting component, and the vat is connected with the power supply, the power supply is the motor, will the vat rotates to be connected in supporting component to drive the vat through the motor and rotate, the paper tape through the vat when moving with vat synchronization, the improvement spouts the seal quality.
Further, the supporting component is a wall plate, and the supporting component can be a whole wall plate or a supporting component formed by a plurality of different supporting parts.
Furthermore, the jet printing assembly comprises a first jet printing unit and a second jet printing unit, and the first jet printing unit and the second jet printing unit can be of a split structure or an integrated structure. Through setting up first spout seal unit and second and spout seal unit, spout the seal to the two sides of paper tape respectively, the spout seal of two sides is accomplished on same big jar face.
Further, the switching-over subassembly includes first switching-over roller, second switching-over roller and transition roller, the paper tape is around first switching-over roller, transition roller and second switching-over roller in proper order, first switching-over roller and the equal slope quadrature setting of second switching-over roller, 45 contained angles are personally submitted with the level to the axis of first switching-over roller and the axis of second switching-over roller, through setting up the switching-over subassembly, can not only make the paper tape carry out 180 upsets, conveniently spout the seal to its two-sided, can also misplace at the in-process of upset moreover for spout twice and seal each other noninterference.
Further, the supporting component is connected with the deviation rectifier, the deviation rectifier is used for correcting the position of the paper tape, and the paper tape can be monitored by the deviation rectifier to prevent deviation.
Further, the supporting component is connected with a roller set, the roller set comprises a pressing roller, a discharging roller and a plurality of guide rollers, the pressing roller is abutted to the large cylinder, the pressing roller is arranged, so that the paper tape is wound with the large cylinder more tightly, and the phenomenon that the paper tape is too much out to cause winding loosening is avoided.
Further, the guide rollers comprise a first guide roller, a second guide roller, a pressing roller, a third guide roller, a fourth guide roller, a fifth guide roller, a sixth guide roller, a seventh guide roller, an eighth guide roller and a ninth guide roller, the fourth guide roller is arranged inside the drying assembly, and the paper tape can be moved along a preset path by arranging the roller set.
A printing method for double-sided spray printing of single-cylinder roll paper comprises the following steps:
step 1: the paper tape is wound on the large cylinder for the first time, wraps the large cylinder and completes jet printing on the front surface of the paper when passing through the first jet printing unit.
Step 2: and the paper tape enters a drying assembly to finish the drying of the front printing of the paper tape.
And step 3: the dried paper tape is discharged from the drying assembly and enters the reversing assembly, and the paper tape is turned over for 180 degrees by the reversing assembly, so that the back of the paper tape faces upwards.
And 4, step 4: and the turned paper tape is guided back to the vat again by the paper guide roller, and after the paper tape is wrapped on the vat for the second time, the spray printing on the back of the paper tape is finished when the paper tape passes through the second spray printing unit.
And 5: and after the back side spray printing is finished, the paper enters the drying assembly again through the paper guide roller to finish the drying of the back side printing of the paper tape.
Step 6: and the paper tape after secondary drying is guided to a subsequent processing station through a paper guide roller after being taken out of the oven.
Furthermore, in the step 3, the paper tape is turned over by 180 degrees, and the paper tape is staggered by a distance larger than the width of one piece of paper in the axial direction of the paper guide roller.
According to the invention, the large cylinder is arranged, and one large cylinder is used for replacing a plurality of original small rollers, so that the paper tape is always attached to the large cylinder in the spray printing process, the movement of the paper tape is stable, the offset caused by roller change is greatly reduced, and the printing precision is improved.
Drawings
Fig. 1 is a first installation diagram of the present invention.
Fig. 2 is a second installation diagram of the present invention.
Fig. 3 is a third installation diagram of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Fig. 5 is a left side view of fig. 1.
Fig. 6 is a sectional view taken in the direction B-B in fig. 5.
Fig. 7 is a sectional view taken along the direction C-C in fig. 5.
In the figure: 1-wallboard; 2-vat; 3-paper tape; 4-a jet printing component; 41-a first jet printing unit; 42-a second jet printing unit; 5-a deviation rectifier; 6-paper roll; 7-a commutation component; 71-a first reversing roller; 72-a transition roll; 73-a second reversing roller; 8-drying the component; 91-rotating the roller; 92-a pressure roller; 93-a second guide roller; 94-a first guide roll; 95-an eighth guide roll; 96-a seventh guide roll; 97-ninth guide roll; 98-a discharge roller; 99-a sixth guide roll; 910-a fifth guide roll; 911-a third guide roll; 912-a fourth guide roll; 10-motor.
Detailed Description
The invention will be further elucidated with reference to the drawings and reference numerals.
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1:
as shown in fig. 1-4, the digital printing machine for double-sided spray printing of single-cylinder and large-cylinder roll paper comprises a supporting assembly, wherein the supporting assembly is connected with a paper roll 6, a large cylinder 2, a spray printing assembly 4, a reversing assembly 7 and a drying assembly 8.
The paper roll 6 releases paper to form a paper tape 3, the paper tape 3 sequentially bypasses the vat 2, the drying assembly 8 and the reversing assembly 7, and the spray printing assembly 4 is used for spraying the paper tape 3.
Through setting up vat 2, utilize vat 2 to replace original a plurality of little rollers for paper tape 3 is hugging closely with vat 2 all the time at the in-process that spouts the seal, makes its motion stable, reduces greatly because the offset that the roll change produced improves and spouts the seal precision.
Example 2:
as shown in fig. 1-7, the digital printing machine for double-sided spray printing of single-cylinder and large-cylinder roll paper comprises a supporting assembly, wherein the supporting assembly is connected with a paper roll 6, a large cylinder 2, a spray printing assembly 4, a reversing assembly 7 and a drying assembly 8.
The paper roll 6 releases paper to form a paper tape 3, the paper tape 3 sequentially bypasses the vat 2, the drying assembly 8 and the reversing assembly 7, and the spray printing assembly 4 is used for spraying the paper tape 3.
Through setting up vat 2, utilize a vat 2 to replace original a plurality of little rollers for paper tape 3 is hugged closely with vat 2 all the time at the in-process that spouts the seal, makes its motion stable, reduces greatly because the offset that the roll change produced improves and spouts the seal precision.
The paper roll 6 is rotatably attached to the support assembly.
When the paper roll 6 is discharged, the paper roll 6 rotates following the movement of the paper tape 3.
The big cylinder 2 is rotatably connected to the supporting component, and the big cylinder 2 is connected with a power source.
The power source is a motor 10.
The large cylinder 2 is rotatably connected to the supporting assembly, the motor 10 drives the large cylinder 2 to rotate, and the paper tape 3 moves synchronously with the large cylinder 2 when passing through the large cylinder 2, so that the jet printing quality is improved.
The support component is a wall plate 1.
The support assembly may be a complete wall panel 1 or a support assembly of a plurality of different support members.
The jet printing assembly 4 comprises a first jet printing unit 41 and a second jet printing unit 42, and the first jet printing unit 41 and the second jet printing unit 42 can be of a split structure or an integrated structure.
By arranging the first jet printing unit 41 and the second jet printing unit 42, the two sides of the paper tape 3 are respectively subjected to jet printing, and the jet printing of the two sides is completed on the same large cylinder surface.
The reversing assembly 7 comprises a first reversing roller 71, a second reversing roller 73 and a transition roller 72, the paper belt 3 sequentially bypasses the first reversing roller 71, the transition roller 72 and the second reversing roller 73, and the first reversing roller 71 and the second reversing roller 73 are obliquely and orthogonally arranged.
The axes of the first reversing roller 71 and the second reversing roller 73 form an included angle of 45 degrees with the horizontal plane.
Through setting up switching-over subassembly 7, can not only make paper tape 3 carry out 180 upsets, conveniently spout the seal to its two-sided, can also misplace at the in-process of upset moreover for twice spout the seal mutually noninterference.
The supporting component is connected with a deviation rectifier 5, and the deviation rectifier 5 is used for correcting the position of the paper tape 3.
Through setting up deviation rectifier 5, can monitor the paper tape 3 that comes out, prevent its off tracking.
The support assembly is connected with a roller set which comprises a pressing roller 92, a discharging roller 98 and a plurality of guide rollers;
the pressure roller 92 abuts against the cylinder 2.
Through setting up pinch roller 92 for paper tape 3 and vat 2 winding are inseparabler, avoid paper tape 3 to come out too much and cause the winding loose.
The guide rollers include a first guide roller 94, a second guide roller 93, a pinch roller 92, a third guide roller 911, a fourth guide roller 912, a fifth guide roller 910, a sixth guide roller 99, a seventh guide roller 96, an eighth guide roller 95, and a ninth guide roller 97.
The fourth guide roller 912 is arranged inside the drying assembly 8.
By providing the roller group, the paper web 3 can be moved along a predetermined path.
A printing method for double-sided spray printing of single-cylinder roll paper comprises the following steps:
step 1: the paper tape 3 is wound on the large cylinder 2 for the first time, and the paper tape 3 wraps on the large cylinder 2 to complete the jet printing on the front surface of the paper when passing through the position of the first jet printing unit 41.
Step 2: the paper tape 3 enters a drying assembly 8 to complete the drying of the front printing of the paper tape 3.
And step 3: the dried paper tape 3 goes out of the drying assembly 8 and then enters the reversing assembly 7, and the reversing assembly 7 is used for realizing 180-degree turnover of the paper tape 3, so that the back of the paper tape 3 faces upwards.
And 4, step 4: the turned paper tape 3 is guided back to the vat 2 again by the paper guide roller, and after the paper tape 3 is wrapped on the vat 2 for the second time, the spray printing on the back side of the paper tape 3 is finished when the paper tape passes through the position of the second spray printing unit 42.
And 5: and after the back side spray printing is finished, the paper enters the drying assembly 8 again through the paper guide roller to finish the drying of the back side printing of the paper tape 3.
Step 6: and the paper tape 3 after secondary drying is discharged from the oven and then is guided to a subsequent processing station through a paper guide roller.
Further, in the step 3, when the paper tape 3 is turned over by 180 degrees, the paper tape 3 is staggered in the axial direction of the paper guide roller by a distance larger than the width of one piece of paper.
The specific working principle is as follows:
the printing machine mainly comprises three steps: firstly, carrying out spray printing and drying on the front surface of the paper tape 3; secondly, turning over the paper tape 3; thirdly, carrying out spray printing and drying on the back surface of the paper tape 3; and then collecting.
As can be seen from fig. 6, in the first step, after the paper tape 3 comes out of the paper roll 6, the paper tape passes through the first guide roller 94, is then guided by the deviation corrector 5 to be prevented from deviating, and then is wound on the vat 2 through the second guide roller 93 and the pressing roller 92 to move along with the vat 2, meanwhile, the first jet printing unit 41 performs jet printing on the front surface of the paper tape 3, and the jet printed paper tape 3 enters the drying assembly 8 for drying through the guide of the third guide roller 911, is reversed through the fourth guide roller 912, and then comes out of the drying assembly 8.
And secondly, the paper tape 3 coming out of the drying assembly 8 enters the reversing assembly 7 through the guidance of the fifth guide roller 910 and the sixth guide roller 99, is firstly reversed through the first reversing roller 71 and then bypasses the transition roller 72, the paper tape 3 is staggered with the original path at the moment to form a new path parallel to the original path, the secondary spray printing is convenient, and finally the reversing is carried out through the second reversing roller 73, so that the turning over of the paper tape 3 is completed.
Referring to fig. 7, in the third step, the turned-over paper tape 3 is firstly wound on the vat 2 through the eighth guide roller 95, the second guide roller 93 and the pressing roller 92 and moves along with the vat 2, at this time, the second jet printing unit 42 performs jet printing on the back of the paper tape 3, after the jet printing is completed, the paper tape 3 enters the drying assembly 8 through the third guide roller 911 to be dried, is reversed through the fourth guide roller 912, comes out of the drying assembly 8, and finally passes through the sixth guide roller 99, the ninth guide roller 97 and the discharging roller 98 to be discharged.
The present invention is not limited to the above alternative embodiments, and any other products with various forms can be obtained by the teaching of the present invention, such as simply adopting mirror image paper feeding mode to obtain the same effect or changing the printing sequence from inner to outer to paper feeding route, etc., all covered by the patent method, but any changes in shape or structure will fall within the scope of the present invention.
Claims (10)
1. The utility model provides a digital printing machine of two-sided spouting of single vat roll paper seal, includes supporting component, its characterized in that: the supporting assembly is connected with a paper roll (6), a large cylinder (2), a jet printing assembly (4), a reversing assembly (7) and a drying assembly (8);
paper is released to scroll (6) and paper formation paper tape (3), vat (2), stoving subassembly (8) and switching-over subassembly (7) are walked around in proper order to paper tape (3), spout seal subassembly (4) and be used for paper tape (3) spraying.
2. A single-cylinder web double-sided inkjet-printed digital printing press as recited in claim 1 wherein: the large cylinder (2) is rotatably connected to the supporting assembly, and the large cylinder (2) is connected with a power source.
3. The digital printing press for duplex printing of a single large cylinder web according to claim 1, wherein: the supporting component is a wall plate (1).
4. A single-cylinder web double-sided inkjet-printed digital printing press as recited in claim 1 wherein: the jet printing assembly (4) comprises a first jet printing unit (41) and a second jet printing unit (42).
5. A single-cylinder web double-sided inkjet-printed digital printing press as recited in claim 1 wherein: the reversing assembly (7) comprises a first reversing roller (71), a second reversing roller (73) and a transition roller (72), the paper tape (3) sequentially bypasses the first reversing roller (71), the transition roller (72) and the second reversing roller (73), and the first reversing roller (71) and the second reversing roller (73) are obliquely and orthogonally arranged.
6. The digital printing press for duplex inkjet printing of a single large cylinder web according to claim 5, wherein: the first jet printing unit (41) and the second jet printing unit (42) are of a split structure or an integrated structure.
7. A single-cylinder web double-sided inkjet-printed digital printing press as recited in claim 1 wherein: the supporting component is connected with a deviation rectifier (5), and the deviation rectifier (5) is used for correcting the position of the paper tape (3).
8. A single-cylinder web double-sided inkjet-printed digital printing press as recited in claim 1 wherein: the support assembly is connected with a roller set which comprises a pressure roller (92), a discharge roller (98) and a plurality of guide rollers.
9. Digital printing method based on double-sided inkjet printing of a single vat web according to any of claims 1 to 8, comprising the following steps:
step 1: the paper tape (3) is wound on the large cylinder (2) for the first time, the paper tape (3) wraps the large cylinder (2), and jet printing on the front surface of the paper is completed when the paper tape passes through the position of the first jet printing unit (41);
step 2: the paper tape (3) enters a drying assembly (8) to finish the drying of the front printing of the paper tape (3);
and step 3: the dried paper tape (3) is taken out of the drying component (8) and then enters the reversing component (7), and the reversing component (7) is used for realizing 180-degree turnover of the paper tape (3) so that the back of the paper tape (3) faces upwards;
and 4, step 4: the turned paper tape (3) is guided back to the large cylinder (2) again by the paper guide roller, and after the paper tape (3) is wrapped on the large cylinder (2) for the second time, the spray printing on the back of the paper tape (3) is completed when the paper tape passes through the position of the second spray printing unit (42);
and 5: after the back side spray printing is finished, the paper enters the drying assembly (8) again through the paper guide roller to finish the drying of the back side printing of the paper tape (3);
step 6: and the paper tape (3) after secondary drying is discharged from the oven and then is guided to a subsequent processing station through a paper guide roller.
10. Single vat (2) web double sided inkjet printing method according to claim 9, characterized by: in the step 3, the paper tape (3) is turned over by 180 degrees, and the paper tape (3) is staggered in the axial direction of the paper guide roller by a distance larger than the width of one paper tape (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851315.1A CN115042534A (en) | 2022-07-20 | 2022-07-20 | Digital printing machine for double-sided spray printing of single-cylinder roll paper and printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851315.1A CN115042534A (en) | 2022-07-20 | 2022-07-20 | Digital printing machine for double-sided spray printing of single-cylinder roll paper and printing method |
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| Publication Number | Publication Date |
|---|---|
| CN115042534A true CN115042534A (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210851315.1A Pending CN115042534A (en) | 2022-07-20 | 2022-07-20 | Digital printing machine for double-sided spray printing of single-cylinder roll paper and printing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5812151A (en) * | 1996-03-14 | 1998-09-22 | Miyakoshi Printing Machinery Co., Ltd. | Printing apparatus and method for performing a printing operation on both obverse and reverse surfaces of a continuous web paper |
| US9145006B1 (en) * | 2014-11-14 | 2015-09-29 | Eastman Kodak Company | Duplex printer for sheet and web printing |
| DE102015205105A1 (en) * | 2015-03-20 | 2016-09-22 | Koenig & Bauer Ag | Roller printing machine and a method for double-sided multi-color coating of a substrate web |
| CN205705784U (en) * | 2016-04-26 | 2016-11-23 | 广东希望高科数字技术有限公司 | A kind of high speed cloth inlet mechanism weaved in digital decorating machine |
| CN210851679U (en) * | 2019-06-24 | 2020-06-26 | 武汉中鼎智科物联网科技有限公司 | Double-roller front and back spray printing device and digital printing machine |
| CN211054709U (en) * | 2019-11-08 | 2020-07-21 | 上海伊诺尔实业集团有限公司 | Coding device of collating machine |
| CN212289187U (en) * | 2020-03-06 | 2021-01-05 | 北京美科艺数码科技发展有限公司 | Ink-jet printer |
-
2022
- 2022-07-20 CN CN202210851315.1A patent/CN115042534A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5812151A (en) * | 1996-03-14 | 1998-09-22 | Miyakoshi Printing Machinery Co., Ltd. | Printing apparatus and method for performing a printing operation on both obverse and reverse surfaces of a continuous web paper |
| US9145006B1 (en) * | 2014-11-14 | 2015-09-29 | Eastman Kodak Company | Duplex printer for sheet and web printing |
| DE102015205105A1 (en) * | 2015-03-20 | 2016-09-22 | Koenig & Bauer Ag | Roller printing machine and a method for double-sided multi-color coating of a substrate web |
| CN205705784U (en) * | 2016-04-26 | 2016-11-23 | 广东希望高科数字技术有限公司 | A kind of high speed cloth inlet mechanism weaved in digital decorating machine |
| CN210851679U (en) * | 2019-06-24 | 2020-06-26 | 武汉中鼎智科物联网科技有限公司 | Double-roller front and back spray printing device and digital printing machine |
| CN211054709U (en) * | 2019-11-08 | 2020-07-21 | 上海伊诺尔实业集团有限公司 | Coding device of collating machine |
| CN212289187U (en) * | 2020-03-06 | 2021-01-05 | 北京美科艺数码科技发展有限公司 | Ink-jet printer |
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