TWI496696B - Page-width array printing device - Google Patents

Description

Page width printing device

The present invention relates to a page width printing device, and more particularly to a page width printing device having a maintenance module.

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 an electronic output device necessary for home or office.

Enterprises need to print output quickly and in large numbers, so page-width array printing technology is born. The carrying mechanism of the printing platform is fixed, and the printing of the paper passing under the inkjet head structure array is directly performed by using an array of inkjet head structures having a printing platform having a width greater than or equal to the width of the paper to be printed. This printing technology is now widely used in corporate and home printing applications, and the printing technology can perform full color 1600 DPI (Dots Per Inch) printing at a rate of about 60 pages per minute for users. At the same time as the high-speed printing operation, high-quality documents and image output levels are maintained.

Due to the large number of printing jobs on the printer, accumulated paper dust and dirt can cause some of the printed characters to become unclear. If you want to maintain good print quality, you must periodically remove any residual ink and other contaminants on the paper tray and paper feed section and the surface of the inkjet head, and cover the inkjet head during the period when the inkjet head is not in use. To protect the inkjet head and avoid The ink on the inkjet orifice is dry. Therefore, in order to extend the life of the ink jet head, most printers have maintenance and cleaning devices; however, the wide-format reciprocating printing device of the array printing device with a wide page printing type is complicated. Not only is it difficult to maintain, but the cleaning process is also relatively time consuming.

Therefore, how to develop a page-wide printing device that can quickly and automatically clean and protect the ink-jet head to improve the lack of the prior art is an urgent problem to be solved by those skilled in the related art.

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 and the ink jet head structure are not easy to clean, so that the device is not printed during the printing process. The ink jet head structure can be cleaned easily, quickly and automatically, and the effect of protecting the ink jet head structure can be achieved to extend the life of the page width printing device.

In order to achieve the above object, a wider aspect of the present invention provides a page width printing device, which comprises at least: a main body; a printing module disposed on the main body, including a one-page printing platform and a a lifting device, the page wide printing platform is provided with a plurality of arrays of detachable groups of inkjet head structures, and the page width printing platform is configured to be displaceable to a maintenance position on the lifting device; and a maintenance module is provided The main body includes: a sliding platform disposed on the main body, and is controllable to slide to a cleaning position and a storage position; a plurality of scraping elements, wherein the scraping elements are disposed on the sliding platform and correspond to each The ink jet head structure is arranged, when the printing module is displaced by the lifting device and maintains the maintenance position, the sliding platform displaces each of the scraper elements to correspondingly clean each of the ink jet head structures; a scraper cleaning assembly, setting On the sliding platform, a flow channel for supplying liquid and a plurality of nozzle holes are formed, and a plurality of nozzle holes are connected to the flow channel and are slippery An arrangement of the squeegee elements is disposed on the movable platform; an inkjet head sealing module is disposed on the sliding platform, and includes a plurality of cover members, each of the cover members being arranged corresponding to each of the inkjet head structures, And sealing the plurality of inkjet head structures for non-printing; thereby, the sliding platform is slidable to the cleaning position for cleaning the plurality of nozzles to clean the plurality of scraper elements, and the sliding The platform is slidable to the storage position such that the printing module is displaced by the lifting device and the ink jet head structure is held against the cover member for each of the cover members to seal each of the ink jet head structures.

1‧‧‧ page wide printing device

2‧‧‧Host body

3‧‧‧Printing module

31‧‧‧ wide print platform

311‧‧‧Inkjet head structure

32‧‧‧First power source

33‧‧‧ Lifting device

331‧‧‧ first body

332‧‧‧ Guide rod

333‧‧‧ Guide seat

4‧‧‧Maintenance module

41‧‧‧Scraper components

42‧‧‧Scraper cleaning kit

421‧‧‧ flow path

422, 423‧‧‧ orifices

43‧‧‧Inkjet head sealing module

431‧‧‧Cover components

432‧‧‧pipe

433‧‧‧Control switch

434‧‧‧Vacuum connection components

44‧‧‧second power source

45‧‧‧rails

46‧‧‧ sliding platform

47‧‧‧ ink collecting tank

5‧‧‧Continuous ink supply module

6‧‧‧ calibration module

A‧‧‧Printing direction

H‧‧‧ height difference

B-B’‧‧‧ profile

Figure 1A is a schematic view of a page width printing apparatus of the preferred embodiment of the present invention.

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

The 1C figure is an enlarged schematic view of the scraper component of the page wide printing device of the present invention.

Fig. 2A is a schematic cross-sectional view of the B-B' of the page width printing apparatus shown in Fig. 1A.

Fig. 2B is a view corresponding to the structure of the squeegee member of the maintenance module shown in Fig. 2A and the structure of the ink jet head.

Fig. 2C is a view corresponding to the ink jet head sealing module of the maintenance module shown in Fig. 2A and the ink jet head section.

Figure 3 is a schematic view showing the corresponding arrangement of the squeegee member and the squeegee cleaning assembly of the page width printing device of the preferred embodiment of the present invention.

Figure 4 is a schematic view showing the corresponding arrangement of the inkjet head sealing module and the page width printing platform of the page width printing device of the preferred embodiment of the present invention.

Figure 5 is a schematic diagram showing the calibration module setting of the page width printing device of the preferred embodiment of the present invention. Figure.

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It is to be understood that the present invention is capable of various modifications in the various aspects of the present invention, and the description and illustration are in the nature of

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 thereof according to a preferred embodiment of the present invention. As shown in FIGS. 1A and 2A, the page width printing apparatus 1 of the present invention includes at least a main body 2, a printing module 3, and a maintenance module 4. The printing module 3 is disposed on the main body 2, and the printing module 3 includes a page width printing platform 31, and the plurality of arrays are arranged on the printing platform 31 to form a detachable group of inkjet head structures. 311. In some embodiments, the plurality of arrayed inkjet head structures 311 are arranged in an array of laterally equidistant and longitudinally unequal distances, and the plurality of inkjet head structures 311 are also laterally oriented with respect to the paper feed direction A. Arranging, the ink-jet wafers (not shown) of the adjacent ink-jet head structures 311 are arranged in a manner of being connected to each other, and the plurality of ink-jet head structures 311 are not limited to being arranged in a row, or The structure of the plurality of rows is not limited thereto. Taking the embodiment as an example, the plurality of ink jet head structures 311 are arranged as shown in FIG. 1A in a manner of being connected to each other, and arranged. The width is greater than or equal to the width of the printing medium (not shown) 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 column is The printing platform 31 performs a page width printing operation on the printing medium. Wherein, the printing medium can be ordinary printing paper, photo printing paper, dust-free paper, letter paper, envelope or other material for inkjet printing, but not limited thereto; and maintenance module 4, including a plurality of scraping Board element 41, a squeegee cleaning assembly 42 and an inkjet head sealing module 43, wherein each squeegee member 41 corresponds to each of the inkjet head structures 311 for cleaning the corresponding inkjet head structure 311 after printing, the squeegee The cleaning component 42 is used to clean the plurality of squeegee elements 41, and the inkjet head sealing module 43 is used for sealing and protecting a plurality of inkjet head structures 311 when not printing. The detailed features of the page width printing apparatus 1 of the present 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 constructed on the main body 2, and further includes a first power source 32 and a lifting device 33. The lifting device 33 includes a first seat body 331, a guiding rod 332 and a guiding seat 333. In this embodiment, the first seat body 331 is connected to the page width printing platform 31 and parallel to the main body. The direction of 2 is erected on the guiding seat 333 for displacement in the up-and-down direction, and the guiding rod 332 is threaded and extended in the direction perpendicular to the main body 2 in the first base body 331, but the arrangement thereof is not For example, the guiding rod 332 is driven by the power of the first power source 32 to move the first seat 331 up and down relative to the guiding seat 333. In this embodiment, the first power source 32 can be a motor with a variety of transmission components, wherein the motor can be a DC brushless motor, a DC brush motor, an AC motor or other power-providing device, but not This is limited to this. Therefore, the first power source 32 can provide power to lower the first body 331 of the lifting device 33 along the guiding seat 333 to a printing position, so that the page width printing platform 31 mounted on the first body 331 is A printing operation can be performed on the printing medium (not shown) provided on the main body 2 at the printing position. When a plurality of ink jet head structures 311 require maintenance, the first power source 32 is also powered to displace the first body 331 along the guiding seat 333 to a maintenance position (as shown in FIG. 2A). Disposing the sheet-width printing platform 31 on the first body 331 to the ink-jet wafer of the ink-jet head structure 311 is a distance from the squeegee member 41 The maintenance position of the height h is used to facilitate the subsequent cleaning and maintenance operations of the page width printing platform 31 by the maintenance module 4.

Referring to FIGS. 1A, 1C, and 2A, the maintenance module 4 of the present invention includes a plurality of squeegee members 41, a squeegee cleaning assembly 42, an inkjet head storage module 43, and a second power source 44. , a slide rail 45 and a sliding platform 46 and the like. The maintenance module 4 is also disposed on the main body 2, and the second power source 44 can also be a motor with various transmission components, and the motor can be a DC brushless motor, a DC brush motor, and an AC. a motor or other power-providing device, but not limited thereto, for providing horizontal reciprocating movement of the power-driven sliding platform 46 relative to the slide rail 45, and the plurality of squeegee members 41 and the ink-jet head sealing mold The group 43 is juxtaposed on the sliding platform 46 so that it can be displaced horizontally with the sliding platform 46.

In the present embodiment, as shown in the enlarged portion of FIG. 1C, the squeegee member 41 can be composed of a plurality of sheet-like structures, but not limited thereto, and is a cleaning device mainly used for The excess ink on the ink-jet holes (not shown) of each of the ink-jet head structures 311 is scraped off, thereby preventing contamination and drying of the ink-jet holes of the ink-jet head structure 311, and extending the use thereof. life. In addition, in this embodiment, the plurality of squeegee members 41 are arranged in a row in an oblique arrangement corresponding to the arrangement of the plurality of inkjet head structures 311, that is, the plurality of squirts The arrangement of the ink head structures 311 is the same (as shown in FIG. 1A). Of course, the plurality of squeegee elements 41 can also be arranged in multiple rows or in a straight line according to requirements, but not limited thereto, but corresponding to The plurality of ink jet head structures 311 are correspondingly disposed. In addition, the sliding platform 46 is provided with an ink collecting groove 47 on the side of the squeegee member 41, so that the ink discharging hole of the ink jet head structure 311 pre-discharges the ink before printing and the scraping member 41 scrapes the ink-jet hole. The recycling of substances, residual inks or other pollutants is concentrated.

Please refer to FIG. 2A and FIG. 2B at the same time. FIG. 2B is a corresponding arrangement diagram of the squeegee 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 apparatus 1 of the present invention is to perform cleaning and maintenance operations on a plurality of ink jet head structures 311, the first power source 32 drives the lifting device 33 to make the first body. The 331 is displaced along the guiding rod 332 to the maintenance position, and the page wide printing platform 31 is disposed in the maintenance position along with the first body 331, that is, the inkjet wafer of the inkjet head structure 311 is away from the squeegee. The position between the elements 41 has a height h. At this time, the plurality of squeegee elements 41 and the inkjet head sealing module 43 disposed on the sliding platform 46 are oppositely disposed at a cleaning position (as shown in FIG. 2A). ).

Then, the second power source 44 of the maintenance module 4 displaces the driving sliding platform 46 along the sliding rail 45 from the cleaning position to the corresponding maintenance position, so that each of the squeegee elements 41 is disposed corresponding to each of the inkjet head structures 311. This performs an ink jet head cleaning operation on the ink ejection orifices on the ink jet head structure 311 corresponding thereto.

And, after the cleaning operation program of the page width printing platform 31 is finished, since the plurality of squeegee members 41 are cleaning the corresponding plurality of inkjet head structures 311, the plurality of squeegee members 41 are left on the plurality of squeegee members 41. Residual ink or other contaminants, so in order to keep it clean and convenient for later use, the squeegee cleaning assembly 42 can be used to clean the plurality of squeegee elements 41, as shown in FIG. 2A, when the plurality of squeegees are to be cleaned When the squeegee member 41 is slid, the second power source 44 will provide power to cause the sliding platform 46 to be displaced in parallel along the slide rail 45 to a cleaning position which is to clean the plurality of squeegee members 41 and the squeegee on the sliding platform 46. The component 42 corresponds to the location of the setting.

Please refer to FIG. 1A, FIG. 1C, FIG. 2A and FIG. 3, and FIG. 3 is a schematic view showing the corresponding arrangement of the squeegee member and the squeegee cleaning assembly of the page width printing device of the preferred embodiment of the present invention. As shown in Fig. 3, the squeegee cleaning assembly 42 is connected to the liquid supply path 421 and a plurality of nozzle holes 422, 423 are connected to the flow channel 421, and each of the nozzle holes 422, 423 is disposed corresponding to the position of the corresponding scraper member 41. In the present embodiment, the injection hole 422 is disposed relative to the side position of the squeegee 41, and the injection hole 423 is disposed relative to the top position of the squeegee 41. As shown in FIG. 1A, FIG. 1C, and FIG. 3, since the plurality of squeegee members 41 are arranged diagonally corresponding to the plurality of ink jet head structures 311, the flow path 421 and the plurality of squeegee cleaning members 42 are provided. The nozzle holes 422 and 423 are also arranged correspondingly, but are not limited thereto. As shown in the figure, a plurality of nozzle holes 422 on the flow path are correspondingly disposed on the side of the squeegee member 41 for discharging liquid on the side of each squeegee member 41 for cleaning, and a plurality of sprays A hole 423 is provided above the squeegee member 41 to discharge liquid and clean it corresponding to each squeegee member 41. As shown in FIGS. 2A and 3, when the second power source 44 is powered, the sliding platform 46 is displaced in parallel along the slide rail 45 to the cleaning position, that is, the sliding platform 46 is slid to the scraper member 41 corresponding to the The positions of the nozzle holes 422 and 423 enable the plurality of squeegee members 41 on the sliding platform 46 to be disposed corresponding to the plurality of nozzle holes 422 and 423 fixed to the squeegee cleaning assembly 42 of the main body 2. The squeegee cleaning assembly 42 supplies a liquid through the flow path 421, and is released from the corresponding injection holes 422, 423 above and to the side of each squeegee member 41, such as water or cleaning liquid, but not Limiting, each of the squeegee elements 41 corresponding to each of the nozzle holes 422, 423 is cleaned, thereby washing the residual ink and dirt on the plurality of squeegee elements 41, and can be collected by ink. The groove 47 is collected and collected, so that the squeegee cleaning unit 42 fixedly disposed in the maintenance module 4 can perform subsequent cleaning operations on the plurality of squeegee members 41 after the inkjet head cleaning process is completed. The cleaning of the plurality of scraper elements 41 facilitates the subsequent inkjet head cleaning Clean homework.

Please also refer to FIG. 1C, FIG. 2C and FIG. 4, which are corresponding to the inkjet head sealing module and the inkjet head structure of the maintenance module shown in FIG. 2A, respectively, and the preferred embodiment of the present invention. A schematic diagram of the corresponding arrangement of the inkjet head sealing module of the page width printing device and the page width printing platform. As shown in FIG. 4 and FIG. 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 plurality of the scraping elements 41, and is composed of a plurality of capping members. 431, the pipeline 432, the control switch 433 and the vacuum connecting component 434, wherein the plurality of capping members 431 are disposed on the sliding platform 46. In this embodiment, the plurality of capping members 431 are arranged and sprayed. The ink-jet holes of the ink head structure 311 are arranged in a row in an oblique manner, but the number, arrangement position and form thereof are not limited thereto, and are mainly corresponding to the ink-jet holes of the ink-jet head structure 311. The plurality of cover members 431 can be a rubber cover structure, and the bottom of each of the plurality of cover members 431 has a port (not shown) connected to a corresponding pipe 432, and the control is performed. The switch 433 is connected to the vacuum connection element 434 for the control line 432, so that the vacuum source connected to the vacuum connection element 434 is introduced into the line 432, so that the cover element 431 can generate a suction force corresponding to the ink jet head structure. 311 performs the ink extraction function.

As shown in FIG. 2C and as described above, when the inkjet head structure 311 is not printed, 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 slider. The rail 45 is displaced to the corresponding sealing position, that is, the sliding platform slides 46 to the position of the capping member 431 corresponding to the ink jet head structure 311 of the printing module 3, so that the inkjet head sealing module 43 corresponds to The ink jet head structure 311 is provided (as shown in Fig. 2C). At this time, the inkjet head sealing module 43 on the sliding platform 46 just moves below the inkjet head structure 311, and the first power source 32 drives the lifting device 33 to displace the first seat 331 along the guiding rod 332. The inkjet head structure 311 is in contact with the capping member 431 The sealing position is such that the capping member 431 covers the sealing and sealing of the ink jet head structure 311. In addition, the inkjet head sealing module 43 is further as described above, when the ink ejection orifice of one of the inkjet head structures 311 of the page width printing platform 31 is blocked or the ink chamber (not shown) is to be emptied, The slide platform 46 can be moved to the storage position to cause the inkjet head storage module 43 to perform an ink extraction operation. Therefore, the above-mentioned inkjet head sealing module 43 can be disposed not only under the page width printing platform 31 when the page width printing device 1 is not printed, but also the sealing member 431 seals and protects the plurality of inkjet heads. The structure 311 does not dry out, and has an ink-collecting function. If the ink-jet hole of the ink-jet head structure 311 is blocked or the ink chamber (not shown) is to be emptied, the ink-jet head sealing module 43 can be passed through. In order to carry out related ink extraction operations.

In addition, in some embodiments, the page width printing device 1 may further include the continuous ink supply module 5, but is not limited thereto. As shown in FIG. 1 , in the embodiment, the continuous ink supply module 5 of the page width printing device 1 is disposed on one side of the main body 2, and can be transported by an ink supply line (not shown). The ink tank (not shown) of the ink jet head structure 311 of the page width printing platform 31 is connected to perform a printing operation for continuous ink supply. In addition, since the page width printing platform 31 of the page width printing apparatus 1 of the present invention is arranged by a plurality of ink jet head structures 311, the lines are not aligned or skewed during printing, in order to improve the missing. The device may further include a correction module 6 for performing a printing correction operation. As shown in the fifth embodiment, in the present embodiment, the scanning unit (not shown) of the printing module 3 is mainly disposed through the correction module 6, that is, when the printing module 3 performs displacement and printing operations. The scanning unit of the calibration module can perform image capturing operations on the printed manuscript. In some embodiments, the scanning unit may be one of a contact image sensor (CIS), a charge coupled device (CCD), and a camera, but is not limited thereto.

After the scanning unit completes the image capturing operation, the scanned document image is transmitted to a processor (not shown) for related calculation, and the processor performs image correction operation on the manuscript image according to a specific calibration program, and further The manuscript image can be corrected and error-corrected. Finally, each of the inkjet head structures 311 performs an output operation by applying the corrected image after the calibration process, thereby outputting the corrected corrected image for output printing. Therefore, the calibration module can automatically detect the printing status and perform precise correction of the image manuscript, such as noise cancellation, tilt correction, etc., by means of the scanning unit and the specific calibration program, and then by horizontal detection and vertical detection. The method of regional attention processing is performed in an equal manner to further correct and control the quality of the corrected image.

In summary, the page width printing device 1 of the present invention provides power to the lifting device 33 for vertical lifting operation through the first power source 32, and the second power source 44 drives the sliding platform 46 to horizontally reciprocate on the sliding rail 45.俾The printing operation and cleaning and maintenance work of the page width printing device 1 can be performed. At the time of printing, the sliding platform 46 is disposed at the cleaning position such that the squeegee member 41 and the inkjet head sealing module 43 are maintained in a standby state, and the page width printing platform 31 is supported by the first power source 32. The power drive moves to the printing position to perform the printing operation; when not printing, the page width printing platform 31 is further displaced to the maintenance position and the sealing storage position for cleaning and sealing maintenance work. In addition, the page width printing device 1 of the present invention can continuously print the ink through the continuous ink supply module 5, and automatically correct the printing condition through the correction module 6 and surely control the quality of the printed manuscript. Further, the printing efficiency and print quality of the printing device 1 are further improved by jointly increasing the page width.

Therefore, the page width printing device of the present invention can protect and clean the functions of the plurality of ink jet head structures by reciprocating the vertical lifting displacement of the page width printing platform and the relative horizontal level of the maintenance module on the sliding platform, and Maintenance of a plurality of squeegee elements and inkjet The plurality of nozzle holes on the head sealing module are correspondingly arranged with the plurality of ink jet head structures of the present invention, so that the plurality of ink jet head structures of the page width printing device of the present invention are more convenient for cleaning and maintenance. Improve the problem that the inkjet head of the conventional wide-format inkjet device is not easy to maintain and clean, improve the service life of the page width device, and reduce the cost of printing in the printing operation. Therefore, the page-wide printing device of this case is actually an invention of industrial value, and the application is filed according to law.

The present invention has been described in detail by the above-described embodiments, and is intended to be modified by those skilled in the art.

1‧‧‧ page wide printing device

2‧‧‧Host body

3‧‧‧Printing module

31‧‧‧ wide print platform

311‧‧‧Inkjet head structure

32‧‧‧First power source

33‧‧‧ Lifting device

331‧‧‧ first body

332‧‧‧ Guide rod

333‧‧‧ Guide seat

4‧‧‧Maintenance module

41‧‧‧Scraper components

42‧‧‧Scraper cleaning kit

43‧‧‧Inkjet head sealing module

44‧‧‧second power source

45‧‧‧rails

46‧‧‧ sliding platform

H‧‧‧ height difference

Claims (11)

A page width printing device comprising: a main body; a printing module disposed on the main body, comprising a one-page printing platform and a lifting device, the page printing platform having a plurality of arrays Aligning the detachable group of inkjet head structures, and the page width printing platform structure is displaceable to a maintenance position on the lifting device; and a maintenance module disposed on the main body body, comprising: a sliding platform disposed on The main body 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 disposed on the sliding platform and arranged corresponding to each of the ink jet head structures, when the column is stamped When the group is displaced by the lifting device and maintains the maintenance position, the sliding platform displaces each of the squeegee members to correspondingly clean each of the inkjet head structures; a squeegee cleaning assembly is fixedly disposed on the main body and corresponding to the cleaning position a flow channel of the supply liquid and a plurality of spray holes, the plurality of spray holes communicate with the flow channel and corresponding to the arrangement of the scraper elements; an ink jet head sealing module is disposed on the sliding platform, a plurality of capping members, each of the capping members being arranged corresponding to each of the inkjet head structures for protecting the plurality of inkjet head structures during non-printing; thereby, the sliding platform is slidable to The cleaning position, the liquid provided by the flow channel is released from the plurality of spray holes to clean the plurality of scraper elements, and the sliding flat The table is slidable to the storage position such that the printing module is displaced by the lifting device and the ink jet head structure is held against the cover member for each of the cover members to seal each of the ink jet head structures. The page width printing device of claim 1, wherein the printing module further comprises a first power source for driving the lifting device to drive the page wide printing platform to perform vertical displacement. The page width printing device of claim 2, wherein the lifting device of the printing module further comprises a first seat body, a guiding rod and a guiding seat, the first body structure And the guiding platform is coupled to the wide printing platform, and the guiding rod is threaded into the first seat body, and the first power source is driven by the first power source relative to the first seat body. The guide seat is displaced. The page width printing device of claim 1, wherein the maintenance position is a longitudinal height position of the plurality of ink jet head structures from the squeegee member. The page width printing device of claim 1, wherein the maintenance module further comprises a second power source and a slide rail, wherein the second power source provides power to drive the sliding platform relative to the slide rail Horizontal displacement. The page width printing device of claim 1, wherein the cleaning position is that the sliding platform slides to a position corresponding to the nozzle hole of the squeegee member. The page width printing device of claim 1, wherein the sealing position is that the sliding platform slides to a position below the plurality of inkjet head structures corresponding to the printing module of the printing module. The page width printing device of claim 1, wherein the plurality of nozzle holes of the squeegee cleaning assembly are disposed on a side of the squeegee member and above, so that the liquid supplied by the flow channel is A plurality of orifices are released for cleaning the plurality of scraper elements. The page width printing device of claim 1, wherein the inkjet head sealing module further comprises a plurality of pipelines, a plurality of control switches and a vacuum connecting component, and a bottom of each of the plurality of capping components Each of the openings has a port connected to a corresponding one of the pipelines, and the control switch is configured to control the pipeline to be connected to the vacuum connecting component, so that the vacuum source connected to the vacuum connecting component is introduced into the pipeline to The plurality of capping members are configured to generate a suction force to draw ink corresponding to the plurality of ink jet head structures. The page width printing device of claim 1, wherein the page width printing device further comprises a continuous ink supply module for connecting to the plurality of ink jet head structures for continuous ink supply. The page width printing device of claim 1, wherein the page width printing device further comprises a correction module for executing an image capturing program and a correction program to make the printing device The calibration procedure is completed under automation.