CN114536986A - Printing cartridge and ink-jet printing apparatus - Google Patents
Printing cartridge and ink-jet printing apparatus Download PDFInfo
- Publication number
- CN114536986A CN114536986A CN202210132868.1A CN202210132868A CN114536986A CN 114536986 A CN114536986 A CN 114536986A CN 202210132868 A CN202210132868 A CN 202210132868A CN 114536986 A CN114536986 A CN 114536986A
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- China
- Prior art keywords
- ink
- printing
- print cartridge
- water level
- box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007639 printing Methods 0.000 title claims abstract description 108
- 238000007641 inkjet printing Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 83
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 abstract description 12
- 239000000976 ink Substances 0.000 description 223
- 230000005484 gravity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17566—Ink level or ink residue control
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/19—Ink jet characterised by ink handling for removing air bubbles
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/46—Applications of alarms, e.g. responsive to approach of end of line
Landscapes
- Ink Jet (AREA)
Abstract
The invention provides a printing cartridge and an ink-jet printing device, wherein the printing cartridge comprises: a printing ink tank for storing ink for inkjet printing; the automatic ink adding box is connected with the printing ink box, and when the printing ink box needs to add ink, the automatic ink adding box automatically adds ink to the printing ink box. According to the invention, the automatic ink adding box is arranged in the printing ink box, and the automatic ink adding box is used for supplementing ink to the printing ink box, so that the function of automatically supplementing ink to the printing ink box is realized, and the problems of ink pollution, long ink adding time, residual bubbles in ink, wrong ink adding and the like caused by manual ink supplementing in the prior art are avoided.
Description
Technical Field
The present application relates to the display field, and more particularly, to a print cartridge and an inkjet printing apparatus.
Background
Ink-jet printing (IJP) technology has been attracting attention as one of the important processes for the production of display devices, depending on its high material utilization.
Ink-jet printing needs the ink horn to store the ink, and the ink horn will mend the china ink in time after consuming the ink in the printing process, and present mend black mode is manual mend black, injects the ink into the ink horn through manual pumping injection pressure, and this kind of mends black mode and has some shortcoming listed as, for example: when the ink is added into the ink box, the ink is easy to be polluted, and the quality of the ink and the performance of a device are influenced; the manual ink supplement consumes long time, and usually, one ink needs to be added for half an hour to one hour, so that the productivity is influenced; when the ink is manually replenished, a large amount of bubbles are easy to appear on the tube wall, so that the ink spitting effect is influenced; the manual ink supplement is easy to add wrong ink and the like.
Disclosure of Invention
The invention provides a printing ink box and an ink-jet printing device, which are used for overcoming the defect that the existing printing ink box needs to be manually filled with ink.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the present invention provides a print cartridge comprising:
a printing ink tank for storing ink for inkjet printing;
the automatic ink adding box is connected with the printing ink box, and when the printing ink box needs to add ink, the automatic ink adding box automatically adds ink to the printing ink box.
Optionally, in some embodiments of the invention, the print cartridge further comprises a controller for controlling the automatic ink tank to add ink to the print ink tank.
Optionally, in some embodiments of the present invention, the printing ink tank includes a printing tank body and a first water level sensor, the first water level sensor is disposed on the printing tank body and connected to the controller, and the controller controls the automatic ink tank to automatically add ink to the printing ink tank when the water level of the ink in the printing tank body is lower than the monitored water level of the first water level sensor.
Optionally, in some embodiments of the present invention, the printing ink tank further includes a second water level sensor, the second water level sensor is disposed on the printing tank body and connected to the controller, and when the water level of the ink in the printing tank body is higher than the monitored water level of the second water level sensor, the controller controls the automatic ink tank to close to stop adding the ink to the printing ink tank.
Optionally, in some embodiments of the invention, the monitored water level of the second water level sensor is higher than the monitored water level of the first water level sensor.
Optionally, in some embodiments of the present invention, the printing ink tank further includes a first indicator light for displaying a monitoring result of the first water level sensor, and a second indicator light for displaying a monitoring result of the second water level sensor.
Optionally, in some embodiments of the invention, the printing ink tank further comprises an ultrasonic unit for removing air bubbles in the ink in the printing ink tank.
Optionally, in some embodiments of the present invention, the printing tank further comprises a vent at a position higher than the monitored water level of the second water level sensor.
Optionally, in some embodiments of the present invention, the automatic ink adding tank includes an ink adding tank body and an ink circulating unit, and the ink circulating unit is disposed in the ink adding tank body and is configured to maintain fluidity of ink in the ink adding tank body.
The invention also provides an ink-jet printing device which comprises any one of the printing ink boxes provided by the invention.
The invention provides a printing ink box and an ink-jet printing device, wherein the printing ink box is internally provided with an automatic ink adding box, and the automatic ink adding box is used for supplementing ink to the printing ink box, so that the function of automatically supplementing ink to the printing ink box is realized, and the problems of ink pollution, long ink adding time, residual bubbles in ink, wrong ink adding and the like caused by manual ink supplementing in the prior art are solved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a print cartridge according to an embodiment of the present invention.
Detailed Description
While the embodiments and/or examples of the present invention will be described in detail and fully with reference to the specific embodiments thereof, it should be understood that the embodiments and/or examples described below are only a part of the embodiments and/or examples of the present invention and are not intended to limit the scope of the invention. All other embodiments and/or examples, which can be obtained by a person skilled in the art without inventive step, are within the scope of protection of the present invention.
Directional terms used in the present invention, such as [ upper ], [ lower ], [ left ], [ right ], [ front ], [ rear ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terminology is used for the purpose of describing and understanding the invention and is in no way limiting. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Aiming at the problems that the existing printing ink box needs to be manually replenished with ink, so that the ink is easy to pollute, the ink adding time is long, air bubbles remain in the ink, the wrong ink is easy to add and the like, the invention provides the printing ink box which can solve the problems.
In one embodiment, referring to fig. 1, fig. 1 is a schematic structural diagram of a print cartridge according to an embodiment of the present invention. As shown in fig. 1, a print cartridge provided by an embodiment of the present invention includes:
a printing ink tank 11 for storing ink for inkjet printing;
and the automatic ink adding tank 12 is connected with the printing ink tank 11, and automatically adds ink to the printing ink tank 11 when the printing ink tank 11 needs to add ink.
According to the embodiment of the invention, the automatic ink adding box is arranged in the printing ink box, and the automatic ink adding box is used for supplementing ink to the printing ink box, so that the function of automatically supplementing ink to the printing ink box is realized, and the problems of ink pollution, long ink adding time, residual bubbles in ink, wrong ink adding and the like caused by manual ink supplementing in the prior art are solved.
In one embodiment, the print cartridge further comprises a controller for controlling the automatic ink addition tank 12 to add ink to the print ink tank 11.
Specifically, referring to fig. 1, the printing ink tank 11 includes a printing tank body, a first water level sensor 112 and a second water level sensor 111, and the first water level sensor 112 and the second water level sensor 111 are both located on the printing tank body and connected to the controller for monitoring the water level of the ink in the printing tank body. The printing box body comprises a printing water inlet and a printing water outlet, and the distance between the second water level sensor 111 and the printing water outlet in the gravity direction is larger than the distance between the first water level sensor 112 and the printing outlet in the gravity direction. Typically, the print water inlet is located at the top of the print tank body and the print water outlet is located at the bottom of the print tank body. When the water level of the ink in the printing box body is lower than the monitoring water level of the first water level sensor 112, it indicates that the ink in the printing ink box 11 is insufficient and is in an ink-lacking state; when the water level of the ink in the printing box body is higher than the monitoring water level of the second water level sensor 111, the situation that the ink in the printing ink box 11 is excessive and is in an overflow state is indicated; when the water level of the ink in the printing ink tank is higher than the monitored water level of the first water level sensor 112 and lower than the monitored water level of the second water level sensor 111, it indicates that the ink in the printing ink tank 11 is sufficient.
The printing ink tank 11 further includes a first indicator light (not shown) and a second indicator light (not shown), both of which are connected to the controller, the first indicator light being configured to display a monitoring result of the first water level sensor 112, and the second indicator light being configured to display a monitoring result of the second water level sensor 111. In one embodiment, when the first water level sensor 112 detects that the water level of the ink in the printing box body is higher than the monitored water level of the first water level sensor 112, the first indicator light is displayed as green; when the first water level sensor 112 monitors that the water level of the ink in the printing box body is lower than the monitored water level of the first water level sensor 112, the first indicator light is displayed in red and gives an alarm. When the second water level sensor 111 monitors that the water level of the ink in the printing box body is lower than the monitored water level of the second water level sensor 111, the second indicator light is displayed in red; when the second water level sensor 111 monitors that the water level of the ink in the printing box body is higher than the monitored water level of the second water level sensor 111, the second indicator light turns green.
The printing ink box 11 further includes an ultrasonic unit (not shown), the ultrasonic unit includes an ultrasonic generator and a vibration plate, the vibration plate is disposed in at least one of the bottom, the top, and the side of the box body, preferably, the vibration plate is disposed in the bottom and the side of the box body, and further, the vibration plate is preferably disposed in an interlayer of the box body or a side of the box body close to the ink. The ultrasonic generator is used for generating ultrasonic waves, the ultrasonic waves are transmitted to the ink through the vibration plate, so that bubbles in the ink vibrate, small bubbles in the ink overflow the ink, bubble residues in the ink are reduced, even residual bubbles in the ink are eliminated, the ink spitting stability of the printing ink box is enhanced, and the printing quality of the printing ink box is improved.
The printing ink tank 11 further includes a vent 113, and a height of the vent 113 in the gravity direction is larger than a height of the second water level sensor 111 in the gravity direction. Typically, the vent is provided in the top of the printing cabinet. The vent communicates print box and external atmospheric pressure, makes pressure in the print box keeps unanimous with external atmospheric pressure, on the one hand, is favorable to the ink is followed spout in the print box, on the other hand, is favorable to bubble in the ink receives follow behind the ultrasonic vibration of supersound unit spill over in the ink.
The automatic ink adding box 12 comprises an ink adding box body and an ink circulating unit (not shown), wherein the ink circulating unit is arranged in the ink adding box body and is used for enabling ink in the ink adding box body to keep fluidity, and therefore the problem that the ink in the automatic ink adding box 12 is deposited due to long-time standing to cause the ink quality to be reduced is solved. The ink circulation unit may be a rotatable fan blade or other unit structure capable of keeping liquid flowing, and the ink circulation system may be disposed at the bottom of the ink box, or may be disposed at the top or side of the ink box, which is not limited herein.
The printing ink box also comprises an ink adding pipeline 13 and an ink adding valve 14, the printing ink box 11 is communicated with the automatic ink adding box 12 through the ink adding pipeline 13, and the ink adding valve 14 is positioned on the ink adding pipeline 13 and is used for controlling the blocking state of the ink adding pipeline 13. One end of the ink adding pipeline 13 is connected with an ink adding water outlet of the automatic ink adding tank 12, and the other end of the ink adding pipeline 13 is connected with a water inlet of the printing ink tank 11. Further, the other end of the ink adding pipeline 13 passes through the water inlet of the printing ink tank 11 and extends to the inside of the printing tank body, so that when the automatic ink adding tank 12 adds ink to the printing ink tank 11, ink splashing can be reduced.
In one embodiment, the automatic inking tank 12 is located above the printing ink tank 11 in the direction of gravity. Thus, the ink in the automatic ink tank 12 can be caused to flow into the printing ink tank 11 through the ink supply pipe 13 by the action of gravity.
The printing ink box also comprises a printing pipeline 15 and a printing valve 16, wherein the printing pipeline 15 is connected with a water outlet of the printing ink box 11 and used for guiding out ink in the printing ink box 11, and the printing valve 16 is positioned on the printing pipeline 15 and used for controlling the blockage state of the printing pipeline 15.
With the print cartridge, during ink-jet printing, the ink in the print ink tank 11 is gradually consumed, and the ink level is gradually lowered. When the water level of the ink in the printing ink tank 11 is above the monitored water level of the first water level sensor 112 and below the monitored water level of the second water level sensor 111, the first indicator light is displayed in green, the second indicator light is displayed in red, the controller controls the ink circulation unit to start, so that the ink in the automatic ink adding tank 12 is in a flowing state, and the controller controls the ultrasonic unit to stop working. When the water level of the ink in the printing ink tank 11 drops to the monitoring water level of the first water level sensor 112, the first indicator light displays red and gives an alarm, the printing ink tank 11 is in an ink shortage state, ink needs to be replenished, the controller controls the ink circulation unit to stop working, controls the ink replenishing valve 14 to be opened, the ink replenishing pipeline 13 conducts the printing ink tank 11 and the automatic ink replenishing tank 12, and the automatic ink replenishing tank 12 performs automatic ink replenishing on the printing ink tank 11. When the water level of the ink in the printing ink tank 11 is increased to the monitoring water level of the second water level sensor 111, the second indicator light is changed from red to green, the ink in the printing ink tank 11 is full, the controller controls the ink adding valve 14 to be closed, the ink adding pipeline 13 between the printing ink tank 11 and the automatic ink adding tank 12 is blocked, ink supplementing work is stopped, the controller controls the ink circulating unit to be started, so that the ink in the automatic ink adding tank 12 flows, the controller controls the ultrasonic unit to be started, and the ultrasonic unit performs ultrasonic vibration on the ink in the printing tank to discharge the gas in the ink.
Correspondingly, the embodiment of the invention also provides an ink-jet printing device, and the ink-jet printing device comprises the printing ink box provided by any one embodiment of the invention. The ink-jet printing device can be used for preparing a film layer structure of a display panel, such as a luminescent material of an OLED display panel. Since the inkjet printing apparatus includes the printing ink cartridge provided by the embodiment of the present invention, the inkjet printing apparatus has the technical features and beneficial effects of the printing ink cartridge provided by the embodiment of the present invention, and specific reference may be made to the above embodiment, which is not described herein again.
In summary, embodiments of the present invention provide a printing ink cartridge and an inkjet printing apparatus, in which the printing ink cartridge is provided with the automatic ink adding box, and the automatic ink adding box is used to supplement ink to the printing ink box, so that an automatic ink supplementing function of the printing ink cartridge is realized, and problems of ink pollution, long ink adding time, residual bubbles in ink, wrong ink adding and the like caused by manual ink supplementing in the prior art are avoided.
The printing cartridge and the inkjet printing apparatus provided by the embodiments of the present invention are described in detail, and the principles and embodiments of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core concept of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A print cartridge, comprising:
a printing ink tank for storing ink for inkjet printing;
the automatic ink adding box is connected with the printing ink box, and when the printing ink box needs to add ink, the automatic ink adding box automatically adds ink to the printing ink box.
2. The print cartridge of claim 1, further comprising a controller for controlling the automatic ink supply tank to supply ink to the print ink tank.
3. The print cartridge of claim 2 wherein the print cartridge includes a print cartridge body and a first level sensor disposed on the print cartridge body and coupled to the controller, the controller controlling the automatic ink supply tank to automatically supply ink to the print cartridge body when the level of ink in the print cartridge body is below a monitored level of the first level sensor.
4. The print cartridge of claim 3 wherein the print cartridge further comprises a second level sensor on the print cartridge body and coupled to the controller, the controller controlling the automatic ink supply tank to close to stop supplying ink to the print cartridge when the level of ink in the print cartridge body is above a monitored level of the second level sensor.
5. The print cartridge of claim 4 wherein the monitored water level of the second water level sensor is higher than the monitored water level of the first water level sensor.
6. The print cartridge of claim 4, wherein the print cartridge further comprises a first indicator light for displaying a monitoring result of the first water level sensor and a second indicator light for displaying a monitoring result of the second water level sensor.
7. The print cartridge of claim 4, wherein the print ink tank further comprises an ultrasonic unit for removing air bubbles from ink in the print ink tank.
8. The print cartridge of claim 7, wherein the print housing further comprises a vent positioned above the monitored water level of the second water level sensor.
9. The print cartridge of claim 2, wherein the automatic ink replenishment tank includes a replenishment tank body and an ink circulation unit disposed within the replenishment tank body for maintaining fluidity of ink within the replenishment tank body.
10. An inkjet printing apparatus comprising a print cartridge as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132868.1A CN114536986A (en) | 2022-02-14 | 2022-02-14 | Printing cartridge and ink-jet printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132868.1A CN114536986A (en) | 2022-02-14 | 2022-02-14 | Printing cartridge and ink-jet printing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114536986A true CN114536986A (en) | 2022-05-27 |
Family
ID=81674302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132868.1A Pending CN114536986A (en) | 2022-02-14 | 2022-02-14 | Printing cartridge and ink-jet printing apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN114536986A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5584672A (en) * | 1978-12-20 | 1980-06-26 | Ricoh Co Ltd | Ink jet recorder |
| JPH1148492A (en) * | 1997-08-01 | 1999-02-23 | Seiko Epson Corp | Ink jet recorder |
| CN1927590A (en) * | 2005-09-06 | 2007-03-14 | 三星电子株式会社 | Ink supplying unit and inkjet image forming apparatus including the same |
| CN201333835Y (en) * | 2008-12-02 | 2009-10-28 | 文明华 | Ink bottle device |
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| CN203592781U (en) * | 2013-11-28 | 2014-05-14 | 重庆伟迪捷喷码机制造有限公司 | Ink-jet printer ink box structure capable of preventing ink precipitation |
| CN104553340A (en) * | 2015-01-30 | 2015-04-29 | 杭州御澜科技有限公司 | Automatic constant ink supply system and constant ink supply method thereof |
| CN206938216U (en) * | 2017-06-28 | 2018-01-30 | 浙江华丽达包装有限公司 | Point horizontal and vertical parity check code security printing |
| CN107757131A (en) * | 2017-09-28 | 2018-03-06 | 湖州天骊正隆电子科技有限公司 | A kind of ink storage device of improved cartridge of ink-jet printer |
| CN207630741U (en) * | 2017-11-13 | 2018-07-20 | 天津市旭辉恒远塑料包装股份有限公司 | A kind of ink-feed apparatus for printing machine |
| CN209191490U (en) * | 2018-10-23 | 2019-08-02 | Tcl集团股份有限公司 | A kind of inking device and printing machine |
| CN213322277U (en) * | 2020-08-18 | 2021-06-01 | 太原市中远新印刷有限公司 | Ink supply device for ink box of printer |
-
2022
- 2022-02-14 CN CN202210132868.1A patent/CN114536986A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5584672A (en) * | 1978-12-20 | 1980-06-26 | Ricoh Co Ltd | Ink jet recorder |
| JPH1148492A (en) * | 1997-08-01 | 1999-02-23 | Seiko Epson Corp | Ink jet recorder |
| CN1927590A (en) * | 2005-09-06 | 2007-03-14 | 三星电子株式会社 | Ink supplying unit and inkjet image forming apparatus including the same |
| CN201333835Y (en) * | 2008-12-02 | 2009-10-28 | 文明华 | Ink bottle device |
| CN102442076A (en) * | 2011-10-11 | 2012-05-09 | 江苏锐毕利实业有限公司 | Spray printing anti-ink precipitation apparatus of rigid printed circuit board and method thereof |
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| CN203592781U (en) * | 2013-11-28 | 2014-05-14 | 重庆伟迪捷喷码机制造有限公司 | Ink-jet printer ink box structure capable of preventing ink precipitation |
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| CN213322277U (en) * | 2020-08-18 | 2021-06-01 | 太原市中远新印刷有限公司 | Ink supply device for ink box of printer |
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