CN103895351A - Page width printing device - Google Patents

Abstract

The invention relates to a page width printing device, wherein a printing module comprises a page width printing platform provided with a plurality of ink jet head structures and a lifting device, wherein the page width printing platform is constructed on the lifting device and can be displaced to a maintenance position; the maintenance module comprises a sliding platform and is controlled to slide to a cleaning position and a sealing position; the plurality of scraper elements are respectively arranged on the sliding platform and correspond to the ink gun structures, the printing module is kept at the maintenance position, and the sliding platform displaces each scraper element to correspondingly clean each ink gun structure; the scraper cleaning assembly consists of a flow channel for supplying liquid and a plurality of spray holes, and the spray holes are communicated with the flow channel and are arranged on the sliding platform corresponding to each scraper element; the ink jet head sealing module comprises a plurality of sealing cover elements, each sealing cover element corresponds to each ink jet head structure, and the plurality of ink jet head structures are sealed during non-printing.

Description

page width printing device

technical field

The invention relates to a page width printing device, especially a page width printing device with a maintenance module.

Background technique

With the development of the Internet and e-commerce, the demand for digital file transmission and digital office is increasing day by day, and the printing device has become a necessary electronic output device for home or office.

Enterprises need fast and high-volume printing output, so page-width array printing technology was born accordingly. The carrying mechanism of the printing platform is fixed, and the inkjet head structure array of the printing platform whose width is greater than or equal to the width of the paper to be printed is used to directly print the paper passing under the inkjet head structure array. This printing technology has been widely used in enterprise and home printing devices. This printing technology can perform full color (full color) 1600DPI (Dots Per Inch) printing at a rate of about 60 pages per minute for users to perform high-speed printing While moving, it still maintains high-quality files and image output levels.

Due to the intensive printing operation of the printer, some printed characters may become unclear due to the accumulated paper dust and dirt. If you want to maintain good printing quality, you must regularly remove the residual ink and other pollutants on the surface of the paper support, paper feeding part, and inkjet head, and cover the inkjet head when it is not in use. Protect the inkjet head and prevent the ink on the inkjet hole from drying up. Therefore, in order to prolong the life of the inkjet head, most printers have maintenance and cleaning devices; maintenance, and the cleaning procedure is relatively time-consuming.

Therefore, how to develop a fast, automatic page-wide printing device that can clean and protect the inkjet head at the same time, so as to improve the deficiencies of the conventional technology, is an urgent problem to be solved by those in the related technical field.

Contents of the invention

The main purpose of the present invention is to provide a page-width printing device, which utilizes the design of the maintenance module to solve the problem that the conventional page-width printing device has an inkjet head structure that is not easy to clean, so that the device can be easily cleaned during the non-printing period. , Quickly and automatically clean the structure of the inkjet head, and achieve the effect of protecting the structure of the inkjet head, so as to prolong the service life of the page width printing device.

In order to achieve the above object, a wider implementation aspect of the present invention is to provide a page-wide printing device, which at least includes: a main body; a printing module, which is arranged on the main body, including a page-wide printing platform and a lift device, the page-wide printing platform is provided with a plurality of detachable inkjet head structures arranged in an array, and the page-wide printing platform is framed on a lifting device and can be displaced to a maintenance position; and a maintenance module is arranged on the main body , including: a sliding platform, which is arranged on the main body, and can be controlled to slide to a cleaning position and a storage position; a plurality of scraper elements, wherein each scraper element is arranged on the sliding platform and corresponds to each of the inkjet The head structure is arranged so that the printing module is displaced by the lifting device to maintain the maintenance position, and the sliding platform is used to displace each scraper element to clean each inkjet head structure; a scraper cleaning component is arranged on the sliding platform. The flow channel for supplying liquid is composed of a plurality of nozzle holes, and the plurality of nozzle holes communicate with the flow channel and correspond to the arrangement of the scraper elements on the sliding platform; an inkjet head sealing module is arranged on the sliding platform, including There are a plurality of cover elements, each of the cover elements is arranged corresponding to each of the inkjet head structures, and is used to seal and protect the plurality of inkjet head structures when not printing; thereby, the sliding platform can slide to the The cleaning position is used to clean the plurality of scraper elements with the plurality of nozzle holes, and the sliding platform can slide to the storage position, so that the printing module is displaced by the lifting device to keep the inkjet head structure against the cover element, for To make each of the capping components seal each of the inkjet head structures.

Description of drawings

FIG. 1A is a schematic diagram of a page width printing device according to a preferred embodiment of the present invention.

FIG. 1B is a rear view of the page width printing device shown in FIG. 1A .

Fig. 1C is an enlarged schematic diagram of the scraper element of the page width printing device of the present invention.

Fig. 2A is a B-B' sectional structural schematic diagram of the page width printing device shown in Fig. 1A.

FIG. 2B is a diagram showing the corresponding arrangement of the scraper element and the inkjet head structure of the maintenance module shown in FIG. 2A .

FIG. 2C is a diagram of the corresponding arrangement of the inkjet head storage module and the inkjet head section of the maintenance module shown in FIG. 2A .

Fig. 3 is a schematic diagram of corresponding arrangement of the scraper element and the scraper cleaning assembly of the page width printing device according to the preferred embodiment of the present invention.

FIG. 4 is a schematic diagram of the corresponding arrangement of the inkjet head sealing module and the page-width printing platform of the page-width printing device according to a preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of setting of a correction module of a page width printing device according to a preferred embodiment of the present invention.

[Description of main component symbols]

1: Page width printing device

2: Main body

3: print module

31: page width printing platform

311: Inkjet head structure

32: The first power source

33: Lifting device

331: The first body

332: guide rod

333: guide seat

4: Maintenance module

41: scraper element

42: Scraper cleaning assembly

421: Runner

422, 423: spray holes

43: inkjet head sealing module

431: Cover element

432: pipeline

433: control switch

434: Vacuum connection element

44: Second power source

45: slide rail

46: Sliding platform

47: ink collection tank

5: Continuous ink supply module

6: Calibration module

A: printing direction

h: height difference

B-B': profile

Detailed ways

Some typical embodiments embodying the features and advantages of the present invention will be described in detail in the description in the following paragraphs. It should be understood that the invention is capable of various changes in different aspects without departing from the scope of the invention, and that the description and illustrations therein are illustrative in nature and not limiting. this invention.

Please refer to FIG. 1A to FIG. 1C and FIG. 2A , which are respectively a schematic diagram of a page-width printing device and a B-B' cross-sectional structure schematic diagram of a preferred embodiment of the present invention. As shown in FIG. 1A and FIG. 2A , the page width printing device 1 of the present invention at least includes a main body 2 , a printing module 3 , and a maintenance module 4 . Wherein, the printing module 3 is arranged on the main body 2, and the printing module 3 includes a page-wide printing platform 31, and the page-wide printing platform 31 is provided with a plurality of inkjet head structures 311 arranged in an array and detachable. In some embodiments Among them, a plurality of inkjet head structures 311 arranged in an array are arranged in an array of horizontally equidistant and vertically unequal distances, and a plurality of inkjet head structures 311 are also arranged in a transverse manner relative to the paper feeding direction A, and each adjacent inkjet head structure The ink-jet chips (not shown) of the ink-jet structure 311 are arranged in an arrangement in which corresponding positions are connected to each other, and the multiple ink-jet head structures 311 are not limited to being arranged in a row, but also can be a multi-row structure. Not limited thereto, taking the present embodiment as an example, the plurality of inkjet head structures 311 are arranged in such a way that their corresponding positions are connected to each other as shown in FIG. 1A , and the width of the arrangement is greater than or equal to that The width of the medium (not shown) is to conform to the page width of the printing medium. When the printing medium enters the page width printing device 1 in the direction A, the page width can be printed on the printing medium through the page width printing platform 31. print job. Wherein, the printing medium can be ordinary printing paper, photo printing paper, dust-free paper, letter paper, envelope or other materials available for inkjet printing, but not limited thereto; and the maintenance module 4 includes a plurality of scraper components 41. The scraper cleaning component 42 and the inkjet head sealing module 43, wherein each scraper element 41 corresponds to each inkjet head structure 311, and is used to clean the corresponding inkjet head structure 311 after printing, and the scraper The cleaning assembly 42 is used to clean the plurality of scraper elements 41 , and the inkjet head storage module 43 is used to seal and protect the plurality of inkjet head structures 311 when not printing. The detailed features of the page width printing apparatus 1 of this embodiment will be further described below.

First, as shown in FIG. 1A , FIG. 1B and FIG. 2A , the printing module 3 of the present invention is built on the main body 2 , and further includes a first power source 32 and a lifting device 33 . Wherein, the lifting device 33 includes a first seat body 331, a guide rod 332 and a guide seat 333. In this embodiment, the first seat body 331 is connected to the page-wide printing platform 31, and is parallel to the main body 2. The direction of erection on the guide seat 333 to carry out the displacement in the up and down direction, and the guide rod 332 is screwed in the first seat body 331 in the direction perpendicular to the main body 2, but the way of setting is not as such limit, and the guide rod 332 is driven by the power of the first power source 32, so that the first base body 331 can move up and down reciprocatingly relative to the guide base 333. In this embodiment, the first power source 32 can be a motor with various transmission components, wherein the motor can be a DC brushless motor, a DC brushed motor, an AC motor or other devices that can provide power, but not This is the limit. Therefore, the first power source 32 can provide power to lower the first seat 331 of the lifting device 33 to a printing position along the guide seat 333, so that the page-wide printing platform 31 erected on the first seat 331 can be At the printing position, a printing operation is performed on a printing medium (not shown) disposed on the main body 2 . And when a plurality of inkjet head structures 311 need to be maintained, the first power source 32 also provides power, so that the first seat body 331 is displaced to a maintenance position (as shown in FIG. 2A ) along the guide seat 333, and the The page-wide printing platform 31 on the first base 331 is displaced to a maintenance position of a height h from the inkjet chip of the inkjet head structure 311 to the scraper element 41, so that the maintenance module 4 can carry out subsequent operations on the page-wide printing platform 31 Related cleaning and maintenance actions.

Please refer to Fig. 1A, 1C and Fig. 2A again, the maintenance module 4 of the present invention comprises a plurality of scraper components 41, a scraper cleaning assembly 42, an inkjet head sealing module 43, a second power source 44, a Structures such as slide rail 45 and a sliding platform 46. Wherein, the maintenance module 4 is also arranged on the main body 2, and the second power source 44 can also be a structure in which a motor is matched with various transmission components, and the motor can be a DC brushless motor, a DC brushed motor, or an AC motor. Or other devices that can provide power, but not limited thereto, are used to provide power to drive the sliding platform 46 to move horizontally reciprocating relative to the slide rail 45, and the plurality of scraper elements 41 and the inkjet head sealing module 43 The series are arranged on the sliding platform 46 in parallel, so they can be displaced horizontally with the sliding platform 46 .

In this embodiment, as shown in the enlarged part of Fig. 1C, the scraper element 41 can be made of a plurality of sheet structures, but not limited thereto, it is a cleaning device, mainly used for Excess ink on the ink ejection hole (not shown) of each corresponding inkjet head structure 311 is scraped off, thereby preventing the ink ejection hole of the inkjet head structure 311 from being polluted and dried, and prolonging its service life . In addition, in this embodiment, the plurality of scraper elements 41 are arranged in a row in an oblique arrangement corresponding to the arrangement of the plurality of inkjet head structures 311, that is, they are also aligned with the plurality of inkjet head structures 311. The ink head structures 311 are arranged in the same manner (as shown in FIG. 1A ). Of course, the plurality of scraper elements 41 can also be arranged in multiple rows or in a straight line according to requirements, but it is not limited thereto, but it must be in line with the corresponding The plurality of inkjet head structures 311 are arranged correspondingly. In addition, the sliding platform 46 is provided with an ink collecting groove 47 on the side of the scraper element 41, for the ink ejection holes of the inkjet head structure 311 to pre-spray ink and the scraper element 41 to scrape off the ink ejection holes. , Residual ink or other pollutants for centralized treatment.

Please refer to FIG. 2A and FIG. 2B at the same time, wherein FIG. 2B is a corresponding arrangement diagram of the scraper element and the inkjet head structure of the maintenance module shown in FIG. 2A . First, as shown in FIG. 2A, when the page width printing device 1 of the present invention intends to clean and maintain a plurality of inkjet head structures 311, the first power source 32 drives the lifting device 33 to make the first base 331 Displacement along the guide bar 332 is maintained to the maintenance position, and the page width printing platform 31 is arranged in the maintenance position together with the first seat body 331, that is, the inkjet chip of the inkjet head structure 311 is at a distance from the scraper element 41 The position between them has a distance of height h. At this time, the plurality of scraper elements 41 and the inkjet head sealing module 43 arranged on the sliding platform 46 are relatively arranged in a cleaning position (as shown in FIG. 2A ).

Then, the second power source 44 of the maintenance module 4 will drive the sliding platform 46 to move from the cleaning position to the corresponding maintenance position along the slide rail 45, so that each scraper element 41 is set corresponding to each inkjet head structure 311, thereby The corresponding ink jet hole on the ink jet head structure 311 is used to clean the ink jet head.

And, when the cleaning procedure of the page width printing platform 31 ends, since the plurality of scraper elements 41 will leave residues on the plurality of scraper elements 41 after cleaning their corresponding plurality of inkjet head structures 311 Ink or other pollutants, so in order to keep it clean and convenient for future use, the scraper cleaning assembly 42 can be used to clean the plurality of scraper elements 41 correspondingly, as shown in Figure 2A, when the plurality of scraper elements 41 are to be cleaned 41, the second power source 44 will provide power to make the sliding platform 46 move along the slide rail 45 to the cleaning position in parallel. corresponding to the location of the setting.

Please refer to FIG. 1A , FIG. 1C , FIG. 2A and FIG. 3 . FIG. 3 is a schematic diagram of corresponding arrangement of scraper components and scraper cleaning components of a page width printing device according to a preferred embodiment of the present invention. As shown in Figure 3, the scraper cleaning assembly 42 is made up of a flow channel 421 for supplying liquid and a plurality of spray holes 422, 423, and the plurality of spray holes 422, 423 are connected with the flow channel 421, and each The nozzle holes 422, 423 are arranged corresponding to the position of the corresponding scraper element 41. In this embodiment, the nozzle hole 422 is arranged relative to the side position of the scraper 41, and the nozzle hole 423 is arranged relative to the position of the scraper element 41. The top position of the scraper 41 is set. As shown in Figure 1A, Figure 1C and Figure 3, since the plurality of scraper elements 41 are arranged in an oblique direction corresponding to the plurality of inkjet head structures 311, the flow channels 421 and the plurality of nozzle holes on the scraper cleaning assembly 42 422, 423 are also arranged correspondingly, but not limited thereto. And as shown in the figure, a plurality of spray holes 422 on the flow channel are correspondingly arranged on the side of the scraper element 41, so as to release liquid on the side of each scraper element 41 for cleaning, while the plurality of spray holes The holes 423 are disposed above the scraper elements 41 to release liquid corresponding to each scraper element 41 for cleaning. As shown in Figure 2A and Figure 3, when the second power source 44 provides power, the sliding platform 46 is displaced parallel to the cleaning position along the slide rail 45, that is, the sliding platform 46 slides until the scraper element 41 corresponds to the spray hole 422,423 position, then can make a plurality of scraper elements 41 on the sliding platform 46 correspond to a plurality of nozzle holes 422,423 on the fixedly arranged scraper cleaning assembly 42, at this moment, the scraper cleaning assembly 42 A liquid will be supplied through the flow channel 421, and released from the corresponding nozzle holes 422, 423 on the top and side of each scraper element 41, such as water or cleaning liquid, etc., but not limited thereto, for cleaning each scraper element 41. Each of the scraper elements 41 corresponding to one of the nozzle holes 422, 423 is used to clean the residual ink and dirt on the plurality of scraper elements 41, and can be recovered and processed by the ink collecting tank 47. Therefore, through the scraper cleaning assembly 42 fixedly installed in the maintenance module 4, after the cleaning process of the inkjet head is completed, the subsequent cleaning operation can be performed on the plurality of scraper elements 41 to maintain the plurality of scraper elements 41 to facilitate the cleaning of the inkjet head in the future.

Please refer to Fig. 1C, Fig. 2C and Fig. 4 at the same time, which are respectively the inkjet head sealing module and inkjet head structure corresponding setting diagram of the maintenance module shown in Fig. 2A, and the page width printing device of the preferred embodiment of the present invention Schematic diagram of the corresponding settings of the inkjet head sealing module and the page width printing platform. As shown in Figure 4 and Figure 1C, the inkjet head sealing module 43 of the maintenance module 4 of the present invention is placed on the sliding platform 46 together with the aforementioned scraper elements 41, and it is composed of a plurality of cover elements 431, tubes road 432, control switch 433 and vacuum connection element 434, wherein the plurality of cover elements 431 are arranged on the sliding platform 46, in this embodiment, the arrangement of the plurality of cover elements 431 is consistent with the structure of the inkjet head The ink ejection holes of 311 correspond to each other and are arranged in a row in an oblique manner, but the number, arrangement position and form are not limited thereto, and mainly correspond to the ink ejection holes of the inkjet head structure 311, and multiple seals The cover element 431 can be a rubber cover plate structure, and the bottom of each of the plurality of cover elements 431 has a port (not shown), which is respectively connected to a corresponding pipeline 432, and the control switch 433 is The control pipeline 432 is connected to the vacuum connection element 434, so that the vacuum source connected to the vacuum connection element 434 is introduced into the pipeline 432, so that the cover element 431 can generate suction to pump the corresponding inkjet head structure 311. ink function.

As shown in Figure 2C and as mentioned above, when the inkjet head structure 311 is not printing, or after the inkjet head structure 311 has completed the cleaning process, the sliding platform 46 can be driven by the second power source 44 along the slide rail 45 Displaced to the position corresponding to the sealing position, that is, the sliding platform slides 46 to the position below the inkjet head structure 311 of the printing module 3 corresponding to the cover element 431, so that the inkjet head sealing module 43 corresponds to the inkjet head structure 311 and set (as shown in Figure 2C). At this time, the inkjet head sealing module 43 on the sliding platform 46 is just moved to the bottom of the inkjet head structure 311, and the first power source 32 drives the lifting device 33, so that the first base 331 is displaced along the guide rod 332 to The inkjet head structure 311 interferes with the sealing position of the capping element 431 , so as to perform maintenance for sealing the inkjet head structure 311 by the capping element 431 . In addition, the inkjet head sealing module 43 is more as mentioned above. When the inkjet hole of one of the inkjet head structures 311 of the page width printing platform 31 is blocked or its ink chamber (not shown) is to be emptied, it can also The sliding platform 46 moves to the sealing position, so that the inkjet head sealing module 43 performs an ink pumping action. Therefore, the above-mentioned inkjet head sealing module 43 can not only be installed under the page-width printing platform 31 when the page-width printing device 1 is not printing, but also seal and protect the plurality of inkjet head structures 311 from ink with the capping element 431. It is dry and has an ink pumping function. If the ink ejection hole of the inkjet head structure 311 is blocked, or when the ink chamber (not shown) is to be emptied, it can be performed through the inkjet head sealing module 43. Inking job.

In addition, in some embodiments, the page width printing device 1 may further include a continuous ink supply module 5 , but not limited thereto. As shown in Figure 1, taking this embodiment as an example, the continuous ink supply module 5 of the page width printing device 1 is arranged on one side of the main body 2, and can be delivered by an ink supply pipeline (not shown) It is connected to an ink storage tank (not shown) of the inkjet head structure 311 of the page width printing platform 31 to perform continuous ink supply printing operation. In addition, since the page-width printing platform 31 of the page-width printing device 1 of the present invention is formed by arranging a plurality of inkjet head structures 311, it is easy to have lines misaligned or skewed during printing. In order to improve this deficiency, this paper The device can further include a calibration module 6 for printing calibration. As shown in the fifth figure, in this embodiment, the scanning unit (not shown) of the printing module 3 is mainly constructed through the calibration module 6, that is, when the printing module 3 performs displacement and printing operations, the scanning unit of the calibration module The unit can perform image capture operations on printed manuscripts. In some embodiments, the scanning unit may be one of a Contact Image Sensor (CIS), a Charge Coupled Device (CCD) and a camera, but not limited thereto.

After the scanning unit completes the image capture operation, the scanned manuscript image is transmitted to a processor (not shown) for related calculations, and the processor performs image correction on the manuscript image according to a specific calibration procedure, and then Correction and error adjustment can be performed on the manuscript image. Finally, each inkjet head structure 311 will output the corrected image after applying the correction program, so as to output and print the corrected corrected image. Therefore, the calibration module can automatically detect the printing status through the cooperation of the scanning unit and the specific calibration program, and perform precise calibration on the image manuscript, such as noise elimination, tilt calibration, etc., and then through horizontal detection and vertical detection, etc. Perform area focus processing to correct and control the quality of the corrected image.

To sum up, the page width printing device 1 of the present invention provides power through the first power source 32 to make the lifting device 33 perform vertical lifting action, and cooperate with the second power source 44 to drive the sliding platform 46 to perform horizontal reciprocating motion on the slide rail 45 , so that the printing operation, cleaning and maintenance operation of the page width printing device 1 can be performed. When printing, the sliding platform 46 is set at the cleaning position, so that the scraper element 41 and the inkjet head sealing module 43 on it remain in a standby state, and the page width printing platform 31 is driven by the power of the first power source 32, Move to the printing position to execute the printing job; when not printing, the page-width printing platform 31 is then moved to the maintenance position and the collision storage position for cleaning and sealing maintenance operations. In addition, the page width printing device 1 of the present invention can perform continuous ink supply printing operations through the continuous ink supply module 5, and can automatically detect the printing status through the calibration module 6, and accurately control the quality of the manuscript after printing, further The printing efficiency and printing quality of the page width printing device 1 are jointly improved.

Therefore, the page width printing device of the present invention can protect and clean multiple inkjet head structures through the vertical lift displacement of the page width printing platform and the relative horizontal reciprocating movement of the maintenance module on the sliding platform, and because the maintenance module The plurality of scraper elements and the plurality of nozzle holes on the inkjet head sealing module are designed to be correspondingly arranged with the plurality of inkjet head structures of the present invention, so that the plurality of inkjet heads of the page width printing device of the present invention The structure is more convenient in cleaning and maintenance, and improves the problem that the inkjet head of the conventional page-wide inkjet device is not easy to maintain and clean, so as to increase the service life of the page-wide device and reduce the cost of printing operations for enterprises. Therefore, the page width printing device of the present invention is actually an invention with industrial value, and an application is filed according to the law.

Even though the present invention has been described in detail by the above-mentioned embodiments, it can be modified in various ways by those skilled in the art, all of which are within the scope of the attached patent application.

Claims (11)

1. A page width printing device comprising: a main body; A printing module, which is arranged on the main body, includes a page-wide printing platform and a lifting device. displaceable on the device to a maintenance position; and A maintenance module is arranged on the main body, including: A sliding platform is arranged on the main body and can be controlled to slide to a cleaning position and a storage position; A plurality of scraper elements, wherein each of the scraper elements is arranged on the sliding platform and arranged corresponding to each of the inkjet head structures, the maintenance position is maintained by the displacement of the printing module by the lifting device, and each of the scraper elements is used for the displacement of the sliding platform The plate element corresponds to cleaning each inkjet head structure; A scraper cleaning component is arranged on the sliding platform, and is composed of a flow channel for supplying liquid and a plurality of nozzle holes, and the plurality of nozzle holes communicate with the flow channel and correspond to the arrangement of the scraper elements on the sliding platform; An inkjet head sealing module, which is arranged on the sliding platform, includes a plurality of cover elements, and each of the cover elements is arranged corresponding to each of the inkjet head structures, and is used to control the plurality of inkjet head structures during non-printing. for storage protection; Thereby, the sliding platform can be slid to the cleaning position, and the plurality of nozzle holes can be used to clean the plurality of scraper elements, and the sliding platform can be slid to the storage position, so that the printing module is displaced by the lifting device to keep the nozzles. The ink head structure resists the cover element, so that each cover element seals each inkjet head structure. 2. The page-width printing device as claimed in claim 1, wherein the printing module further comprises a first power source, which provides power to drive the lifting device to drive the page-width printing platform to move vertically. 3. The page width printing device according to claim 2, wherein the lifting device of the printing module further comprises a first seat, a guide rod and a guide seat, and the first seat is built on the guide The guide base is connected with the page-wide printing platform, and the guide rod is threaded into the first base body, and the first base body is driven to move relative to the guide base by the power of the first power source. 4. The page width printing device according to claim 1, wherein the maintenance position is a longitudinal height position of the inkjet head structure from the scraper element. 5. The page width printing device according to claim 1, wherein the maintenance module further comprises a second power source and a slide rail, and the second power source provides power to drive the sliding platform to move horizontally relative to the slide rail. 6 . The page width printing device as claimed in claim 1 , wherein the cleaning position is that the sliding platform slides to a position where the scraper element corresponds to the nozzle hole. 7 . 7 . The page width printing device according to claim 1 , wherein the storage position is that the sliding platform slides to a position under the cover element corresponding to the inkjet head structure of the printing module. 8 . 8. The page width printing device according to claim 1, wherein a plurality of spray holes of the scraper cleaning assembly are correspondingly arranged on the side and the top of the scraper element, so that the liquid supplied by the flow channel flows from the spray holes Holes are released for cleaning the plurality of scraper elements. 9. The page width printing device according to claim 1, wherein the inkjet head storage module further comprises a plurality of pipelines, a control switch and a vacuum connection element, and each of the plurality of capping elements has a port at the bottom, They are respectively connected to a corresponding pipeline, and the control switch is connected to the control pipeline and the vacuum connection element, so that the vacuum source connected to the vacuum connection element is introduced into the pipeline, so that the cover element can generate suction and Its corresponding inkjet head structure carries out ink pumping. 10. The page width printing device according to claim 1, further comprising a continuous ink supply module for connecting with the plurality of inkjet head structures for continuous ink supply. 11. The page-wide printing device according to claim 1, characterized in that the page-wide printing device further comprises a calibration module for executing an image capture program and a calibration program, so that the printing device is fully automated to complete the calibration process.

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