Cartridge, cartridge set and liquid discharge device

Abstract

To provide a cartridge capable of further improving a printing speed.SOLUTION: There is provided a cartridge for discharging a liquid while moving in a scanning direction, which comprises an element substrate having a storage part capable of storing a liquid, a discharge port for discharging the liquid stored in the storage part and an element for generating energy used for discharging the liquid and an electrical wiring member electrically connected with the element substrate. The center of the element substrate in the scanning direction is displaced along the scanning direction from the center of the electrical wiring member in the scanning direction.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present disclosure relates to a cartridge, a cartridge set, and a liquid ejection device. [Background technology]

[0002] Generally, there is a liquid ejection head cartridge (cartridge) that includes a storage section capable of storing liquid, and an ejection section (print head) capable of ejecting liquid. There is also a serial type liquid ejection device in which a cartridge set consisting of a plurality of liquid ejection head cartridges can be mounted on a carriage capable of moving in a scanning direction. A serial type liquid ejection device can print on a recording medium (paper) while moving a carriage with a cartridge set mounted thereon along the scanning direction. In a serial type liquid ejection device, it is desirable to improve the printing speed.

[0003] Patent Document 1 discloses a configuration in which a print head (element substrate) of one of two cartridges mounted on one carriage is brought closer to the other cartridge together with an electric wiring member connected to the print head. This configuration improves printing speed compared to a cartridge in which the center of the cartridge body in the scanning direction and the center of the print head in the scanning direction are aligned. Meanwhile, by reducing the thickness of the cartridge in the scanning direction, the distance the cartridge moves during printing can also be reduced, improving printing speed. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] US Patent Application Publication No. 2005 / 0270346 Summary of the Invention [Problem to be solved by the invention]

[0005] In order to further increase the printing speed, when an electrical wiring member and an element substrate are arranged as in the print head described in Patent Document 1, a problem arises in that there is little space available for arranging the electrical wiring member in a thin cartridge. Therefore, an object of the present disclosure is to provide a cartridge that can further increase the printing speed. [Means for solving the problem]

[0006] The cartridge of the present disclosure is a cartridge that ejects liquid while moving in a scanning direction, and is characterized in that it comprises an element substrate having a storage section capable of storing liquid, an ejection port for ejecting the liquid stored in the storage section, and an element that generates energy used to eject the liquid, and an electrical wiring member electrically connected to the element substrate, and the center of the element substrate in the scanning direction is shifted along the scanning direction from the center of the electrical wiring member in the scanning direction. Effect of the Invention

[0007] According to the liquid ejection head cartridge of the present disclosure, the printing speed can be further improved. [Brief description of the drawings]

[0008] [Figure 1] 1 is a schematic diagram of a liquid ejection device that can be applied to an embodiment. [Diagram 2] FIG. 2 is an external perspective view of a first head cartridge. [Diagram 3] FIG. 2 is an external perspective view of a first head cartridge. [Figure 4] 4 is a schematic diagram of a first attachment surface and a first front wall portion. [Diagram 5] FIG. 1 is a schematic diagram of a cartridge set in one embodiment. [Figure 6] FIG. 13 is an external perspective view showing a modified example of the second head cartridge. [Figure 7] FIG. 1 is a perspective view of a head cartridge set according to a conventional technique. [Figure 8] FIG. 13 is an external perspective view of a second head cartridge set according to an embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. However, the components described in the embodiment are merely examples and are not intended to limit the scope of the present invention.

[0010] [First embodiment] FIG. 1 is a schematic diagram of a liquid ejection device 100 that can be applied to this embodiment.

[0011] In the figure, the X direction indicates the scanning direction of the carriage 101. The Y direction indicates the transport direction of the recording medium. The Z direction indicates the vertical direction. Note that in the following figures for explaining the first liquid ejection head cartridge 102a alone, the same XYZ axes as in this figure are shown based on the case where the first liquid ejection head cartridge 102a is mounted on the liquid ejection device 100. The depth direction of the first and second liquid ejection head cartridges 102a, 102b in a state where the first and second liquid ejection head cartridges 102a, 102b are mounted on the liquid ejection device 100 is the Y direction. The width direction of the cartridge set 102 is the X direction. The vertical height direction of the first and second liquid ejection head cartridges 102a, 102b is the Z direction.

[0012] In this disclosure, "recording (printing)" does not only mean forming meaningful information (for example, characters or figures that are made visible so that humans can perceive them visually). "Recording" also means forming insignificant information. Furthermore, in this disclosure, "recording" also broadly means forming an image, design, pattern, structure, or a combination of these on a recording medium, or processing the medium.

[0013] In this disclosure, the term "recording medium" refers to a medium capable of receiving a liquid. An example of the recording medium is paper (e.g., paper 103) that is used in a general liquid ejection device. Other examples of the recording medium include cloth, plastic film, metal plate, glass, ceramics, resin, wood, and leather.

[0014] In the present disclosure, the liquid is assumed to be ink. However, the liquid that can be applied to the technology of the present disclosure is not limited to ink. For example, various liquids including a treatment liquid used for the purpose of improving the fixation of ink on the paper 103, reducing uneven gloss, and improving abrasion resistance may be used as the liquid.

[0015] <Liquid discharge device 100> 1, a liquid ejection device 100 capable of ejecting liquid in a serial manner includes a carriage 101 capable of reciprocating in a scanning direction. A cartridge set 102 can be attached to and detached from the carriage 101.

[0016] In this embodiment, the cartridge set 102 includes a first liquid ejection head cartridge 102a and a second liquid ejection head cartridge 102b. The first liquid ejection head cartridge 102a is capable of storing and ejecting black ink. The second liquid ejection head cartridge 102b is capable of storing and ejecting three types of color ink, cyan, magenta, and yellow. The types of color ink are not limited to the above-mentioned three colors.

[0017] The cartridge set 102 mounted on the carriage 101 is capable of ejecting liquid while moving relative to the paper 103. In ejection, the carriage 101 ejects liquid from the cartridge set 102 while moving back and forth in the scanning direction. The liquid ejection device 100 includes a transport unit 104 that is capable of transporting the paper 103 a predetermined amount at a time in a transport direction (Y direction) that intersects with the scanning direction (orthogonal in this embodiment) in accordance with the ejection of liquid from the cartridge set 102. In this embodiment, printing is performed gradually on the paper 103 in this manner.

[0018] <First Liquid Ejection Head Cartridge 102a> Fig. 2 is an external perspective view of the first liquid ejection head cartridge 102a as viewed from above. In Fig. 2, the first liquid ejection head cartridge 102a is shown in a position that allows it to move in the scanning direction.

[0019] 2, the first liquid ejection head cartridge 102a includes a first container 201a capable of containing black ink. A flexible first electric wiring member 202a is attached to the first container 201a.

[0020] In this embodiment, an electric wiring tape is used as the first electric wiring member 202a. The first electric wiring member 202a is attached in a folded state along the first front wall portion 203 and the first bottom portion 204 of the first liquid ejection head cartridge 102a. In the first front wall portion 203, a first electric contact 205a arranged on the first electric wiring member 202a is a terminal capable of receiving an electric signal transmitted from the main body of the liquid ejection device 100 (see FIG. 1).

[0021] The width (length in the X direction) of the first liquid ejection head cartridge 102a is smaller than the width of the cartridge disclosed in Patent Document 1. Specifically, the width of the cartridge disclosed in Patent Document 1 is 29.5 mm, and the height (length in the Z direction) is 42.0 mm (excluding the protrusions).

[0022] In contrast, the width (length in the X direction) of the first liquid ejection head cartridge 102a is 22.0 mm, and the height (length in the Z direction) is 56.5 mm (excluding the protrusions). In other words, the width of the first liquid ejection head cartridge 102a is 7.5 mm smaller than the width of the cartridge disclosed in Patent Document 1.

[0023] On the other hand, the height of the first liquid ejection head cartridge 102a is 14.5 mm greater than the height of the cartridge disclosed in Patent Document 1. In this way, the first liquid ejection head cartridge 102a is formed slimmer than the cartridge disclosed in Patent Document 1.

[0024] In this embodiment, a cartridge in which the aspect ratio of the long side and short side of the rectangular first front wall portion 203 is 2.4:1 or more and 2.8:1 or less is defined as a "slim cartridge."

[0025] That is, when the first liquid ejection head cartridge 102a is mounted on the carriage 101 (see FIG. 1), the height (length in the Z direction) and width (length in the X direction) of the first front wall portion 203 are within a range of 2.4:1 to 2.8:1. In this manner, in a position in which the first liquid ejection head cartridge 102a moves in the scanning direction, the height of the first front wall portion 203 is 2.4 to 2.8 times larger (length) than the width of the first front wall portion 203. The second liquid ejection head cartridge 102b (see FIG. 1) is also a slim cartridge. Furthermore, when the width in the scanning direction (length in the X direction) is 25 mm or less, the effect of the present invention can be more effectively obtained.

[0026] FIG. 3 is a perspective view of the exterior of the first liquid ejection head cartridge 102a as viewed from below.

[0027] As shown in FIG. 3, when the first liquid ejection head cartridge 102a is attached to the carriage 101 (see FIG. 1), the liquid ejection device 100 main body and the first element substrate 301a are electrically connected via the first electrical wiring member 202a.

[0028] The first element substrate 301a includes an energy generating element (first element) that generates energy used to eject the liquid contained in the first container 201a, and an ejection port formed at a position corresponding to the energy generating element. In this embodiment, a heater is used as the first element, but a piezoelectric element may be used as long as it can generate energy used to eject the liquid.

[0029] The first electrical wiring member 202a has an electrical signal path for applying an ejection signal for ejecting black ink to the first element substrate 301a. The first electrical wiring member 202a has a first opening 303a for incorporating the first element substrate 301a. A terminal (not shown) connected to an electrode portion (not shown) of the first element substrate 301a is formed near the edge of the first opening 303a. The first electrical contact 205a and the terminal (not shown) are connected by a continuous copper foil wiring pattern. The terminal (not shown) and the bump (not shown) of the first element substrate 301a are connected by, for example, a thermosonic pressure bonding method.

[0030] The first opening 303a is located inside the first attachment surface 302a. Since the first element substrate 301a is located inside the first opening 303a, the ejection of liquid is not hindered by the first electrical wiring member 202a.

[0031] In this manner, the first liquid ejection head cartridge 102a is configured to be able to accommodate liquid in the first accommodation portion 201a and eject the liquid from the first element substrate 301a onto the paper 103 (see FIG. 1).

[0032] Fig. 4 is a schematic diagram showing the first attachment surface 302a and the first front wall portion 203. Note that in Fig. 4 as well, the first liquid ejection head cartridge 102a is shown in a state where it is mounted on the carriage 101 (see Fig. 1).

[0033] In FIG. 4, the first center line 401a indicates a line passing through the center of the scanning direction (X direction) of the first housing portion 201a and extending along the depth direction (Y direction). The second center line 402a indicates a line passing through the center of the scanning direction (X direction) of the first electric wiring member 202a and extending along the depth direction (Y direction). The third center line 403a indicates a line passing through the center of the scanning direction (X direction) of the first element substrate 301a and extending along the depth direction (Y direction). In this embodiment, the shape of the first element substrate 301a is a rectangle having a long side in the Y direction and a short side in the X direction when viewed from the bottom. The third center line 403a is a center line passing through the center of the short side of the first element substrate 301a.

[0034] The first center line 401a, the second center line 402a, and the third center line 403a are invisible imaginary lines passing through the first attachment surface 302a. On the first attachment surface 302a, the first center line 401a and the second center line 402a are on the same line. That is, the first center line 401a and the second center line 402a are center lines passing through the center of the first liquid ejection head cartridge 102a in the scanning direction. The third center line 403a is not on the same line as the first center line 401a and the second center line 402a.

[0035] 4, the shape of the first front wall portion 203 is a substantial rectangle having short sides extending along the X direction and long sides extending along the Y direction. In the short direction (X direction) of the first front wall portion 203, the third center line 403a is parallel to the first center line 401a and the second center line 402a, and is located closer to the second liquid ejection head cartridge 102b (not shown) than the second center line 402a.

[0036] Also, assume that the first liquid ejection head cartridge 102a and the second liquid ejection head cartridge 102b (see FIG. 1) are mounted on the carriage 101 (see FIG. 1). In this state, the third center line 403a is parallel to the first center line 401a and the second center line 402a.

[0037] When the cartridge set 102 (see FIG. 1) is attached to the carriage 101 (see FIG. 1), the third center line 403a is located closer to the second liquid ejection head cartridge 102b (not shown) than the first center line 401a and the second center line 402a. That is, when the cartridge set 102 is viewed as a whole, the third center line 403a is located inside (in FIG. 4, on the negative X-direction side) in the scanning direction (X-direction) than the first center line 401a and the second center line 402a.

[0038] The length in the scanning direction from the third center line 403a to the second center line 402a is within a range of 6.4% to 7.2% of the length in the scanning direction of the first electric wiring member 202a. That is, in the X direction, the distance from the third center line 403a to the second center line 402a is within a range of 6.4% to 7.2% of the width of the first electric wiring member 202a. For example, when the width (length in the X direction) of the first electric wiring member 202a is "L1" and the amount of deviation of the third center line 403a from the second center line 402a is "L2", "L2" is configured to be within a range of 6.4% to 7.2% of "L1".

[0039] According to this configuration, the center of the first electric wiring member 202a and the center of the first housing portion 201a can be aligned in the X direction, and the center of the first element substrate 301a and the center of the second element substrate 503b (see FIG. 5) can be arranged close to each other. Therefore, a conventional method can be used for the bonding process of the first electric wiring member 202a and the second electric wiring member 502b (see FIG. 5).

[0040] Furthermore, the first electrical contact 205a that has been used conventionally can also be reused. That is, according to this embodiment, even if there is no additional space for shifting the electrical wiring members as in Patent Document 1, the two element substrates can be disposed close to each other, and the printing speed can be improved.

[0041] In addition, there is no need to change the position of the contact surface. Therefore, compared to the head cartridge disclosed in Patent Document 1, the same effect can be obtained with a simpler method.

[0042] FIG. 5 is a schematic diagram of the cartridge set 102 in this embodiment, viewed obliquely from below.

[0043] As shown in Fig. 5, the cartridge set 102 is configured to be capable of ejecting liquid when attached to the carriage 101 (see Fig. 1) and approaching paper 103. Note that in Fig. 5, the cartridge set 102 is shown in a position where it is attached to the carriage 101. However, for convenience of explanation, the carriage 101 is not shown in Fig. 5.

[0044] With the cartridge set 102 attached to the carriage 101 (see FIG. 1), the first liquid ejection head cartridge 102a and the second liquid ejection head cartridge 102b are arranged in parallel along the scanning direction (X direction).

[0045] However, when the cartridge set 102 is mounted on the carriage 101 (see FIG. 1), there is a wall provided on the carriage 101 between the first liquid ejection head cartridge 102a and the second liquid ejection head cartridge 102b. The length (thickness) of the wall in the scanning direction (X direction) is approximately 1.0 mm. In order to avoid contact with the wall, the first liquid ejection head cartridge 102a and the second liquid ejection head cartridge 102b are mounted on the carriage 101 (see FIG. 1) with a distance of 1.4 mm to 1.8 mm.

[0046] The second liquid ejection head cartridge 102b includes a second storage section 501b capable of storing color inks, and an ejection section capable of ejecting color inks. A flexible second electric wiring member 502b is attached to the second storage section 501b. In this embodiment, an electric wiring tape is used as the second electric wiring member 502b.

[0047] The second electrical wiring member 502b is attached in a folded state along a second front wall portion (not shown in FIG. 5) and a second bottom portion 504 of the second liquid ejection head cartridge 102b. In the second front wall portion, a second electrical contact (not shown in FIG. 5) disposed on the second electrical wiring member 502b is a terminal capable of receiving an electrical signal transmitted from the main body of the liquid ejection device 100 (see FIG. 1).

[0048] An ejection portion is disposed on the second bottom portion 504. In this embodiment, a second element substrate 503b capable of ejecting color ink is disposed as the ejection portion of the second liquid ejection head cartridge 102b.

[0049] The second element substrate 503b includes an energy generating element (second element) that generates energy used to eject the liquid contained in the second container 501b, and an ejection port formed at a position corresponding to the energy generating element. In this embodiment, a heater is used as the second element, but a piezoelectric element may be used as long as it can generate energy used to eject the liquid. The second element substrate 503b is attached to a second attachment surface 505b formed on the second bottom portion 504.

[0050] The fourth center line 506b indicates a line that passes through the center in the X direction of the second element substrate 503b and extends along the Y direction. The fifth center line 507b indicates a line that passes through the center in the X direction of the second electrical wiring member 502b and extends along the Y direction. The fourth center line 506b and the fifth center line 507b are invisible imaginary lines that pass through the second attachment surface 505b.

[0051] In this embodiment, the length from the third center line 403a to the fourth center line 506b is 22.1 mm when the cartridge set 102 is attached to the carriage 101 (see FIG. 1). With this configuration, it is possible to obtain an effect of improving the printing speed, compared to a liquid ejection device in which the length from the center line of one element substrate to the center line of the other element substrate exceeds 22.1 mm.

[0052] In addition, in this embodiment, the shortest distance L3 from the second element substrate 503b to the first element substrate 301a is 18.37 mm when the cartridge set 102 is attached to the carriage 101. In other words, the distance from the right side of the second element substrate 503b to the left side of the first element substrate 301a is 18.37 mm.

[0053] This configuration provides the effect of improving the printing speed compared to a liquid ejection device in which the shortest distance L3 from the second element substrate 503b to the first element substrate 301a exceeds 18.37 mm. That is, by shortening the distance in the X direction from the ejection port array arranged on the first element substrate 301a to the ejection port array arranged on the leftmost side of the second element substrate 503b compared to the conventional technology, the moving distance of the carriage required to print an image can be shortened compared to the conventional technology. As a result, the throughput can be improved.

[0054] Furthermore, when ejecting liquid, the first element substrate 301a ejects the liquid while approaching the paper 103. As described above, the third center line 403a (see FIG. 4) is positioned at a position shifted inward (toward the -X direction) in the scanning direction (X direction) with respect to the second center line 402a (see FIG. 4). This makes it possible to reduce the moving distance of the carriage 101 (see FIG. 1) when ejecting liquid compared to the conventional technology. This makes it possible to further improve the printing speed and reduce the size of the main body.

[0055] In this embodiment, the fourth center line 506b and the fifth center line 507b are aligned. Only the third center line 403a is positioned at a position shifted so as to be closer to the second liquid ejection head cartridge 102b than the second center line 402a. Conversely, the third center line 403a and the second center line 402a may be aligned, and only the fourth center line 506b may be shifted so as to be closer to the first liquid ejection head cartridge 102a than the fifth center line 507b. With such a configuration, the same effect as that of the technique of the present disclosure can be obtained.

[0056] Moreover, the third center line 403a and the fourth center line 506b may be disposed closer to the inside in the scanning direction of the entire cartridge set 102 than the second center line 402a and the fifth center line 507b, respectively. With such a configuration, the same effect as that of the technology of the present disclosure can be obtained.

[0057] As described above, in this embodiment, the third center line 403a is positioned at a position shifted in the scanning direction (X direction) toward the inside (-X direction side) of the entire cartridge set 102 with respect to the second center line 402a. With this configuration, the first element substrate 301a can be positioned more inward in the scanning direction than in the conventional technology.

[0058] Therefore, according to the first liquid ejection head cartridge 102a, even if the main body is made thinner, the printing speed can be improved.

[0059] Furthermore, in this embodiment, the first center line 401a and the second center line 402a are aligned with each other, which allows the manufacturing apparatus and process used in producing the slim cartridge of the prior art, and the electrical contacts provided in the slim cartridge of the prior art, to be reused in the process of providing the electrical wiring member in the cartridge.

[0060] In addition, the configuration of the first electrical contact 205a is the same as that of the electrical contact of the slim cartridge of the conventional technology. Therefore, it is not necessary to change the position of the contact surface for electrically connecting to the first electrical contact 205a. Therefore, the first liquid ejection head cartridge 102a can be mounted on a carriage on which the slim cartridge of the conventional technology was mounted.

[0061] [Modification of the first embodiment] FIG. 6 is a perspective view showing an external appearance of a modified example of the second liquid ejection head cartridge 102b.

[0062] 6, the second liquid ejection head cartridge 102b in this modified example includes a lid 601 that covers the upper part of the second container 501b. The lid 601 is formed with a supply port 602 for supplying liquid from a tank (not shown) that stores a relatively large amount of color ink.

[0063] For example, the tank is provided separately outside the liquid ejection device 100 (see FIG. 1). The tank includes a refill port (not shown) for refilling the interior of the tank with color ink from the outside. The tank and the supply port 602 are connected by a tube (not shown). This allows liquid to be continuously supplied from the tank via the tube to the second liquid ejection head cartridge 102b in this modified example.

[0064] Therefore, the second liquid ejection head cartridge 102b in this modified example can perform continuous recording on the paper 103, regardless of the size or number of sheets of paper 103 (see FIG. 5).

[0065] 6, the first liquid ejection head cartridge 102a is also provided with a supply port for supplying black ink from a large-capacity tank, which allows the first liquid ejection head cartridge 102a to perform continuous recording on the paper 103.

[0066] [Second embodiment] Hereinafter, a second embodiment of the technology of the present disclosure will be described with reference to the drawings. In the following description, the description of the same or corresponding configuration as the first embodiment will be omitted, and the differences will be mainly described. First, in order to facilitate understanding of this embodiment, a cartridge set 700 of a comparative example will be described as an example.

[0067] Fig. 7 is a perspective view showing, as a comparative example, a cartridge set 700 envisioned from Patent Document 1. In Fig. 7, the cartridge set 700 is in a state of being mounted on a carriage (not shown) capable of moving in the scanning direction (X direction).

[0068] 7, the cartridge set 700 includes a cartridge 700a and a cartridge 700b. When the cartridge 700a and the cartridge 700b are mounted on the carriage, the cartridge 700a and the cartridge 700b are disposed adjacent to each other in the scanning direction.

[0069] The cartridge 700a is capable of ejecting liquid contained therein. The cartridge 700a includes an electrical wiring section 701 capable of receiving an electrical signal transmitted from a main body of a liquid ejection device (not shown), and an element substrate 702 capable of ejecting liquid. When a predetermined signal is transmitted from the main body of the liquid ejection device to the electrical wiring section 701, liquid is ejected from the element substrate 702.

[0070] In this comparative example, the electrical wiring section 701 and the element substrate 702 are positioned with their scanning direction centers aligned with each other, closer to the inside in the scanning direction (toward the adjacent cartridge) than the center of the scanning direction of the cartridge 700a body.

[0071] In general, the length (width) of the electrical wiring portion 701 is greater than the length (width) of the element substrate 702 in the scanning direction. Furthermore, the center of the electrical wiring portion 701 and the center of the element substrate 702 are aligned. Therefore, in a typical configuration such as this comparative example, the positions of the electrical wiring portion 701 and the element substrate 702 in the scanning direction are determined based on the width of the electrical wiring portion 701. That is, even if the element substrate 702 alone could be brought closer to the cartridge 700b, the width of the electrical wiring portion 701 becomes a bottleneck, making it difficult to bring the element substrate 702 closer to the cartridge 700b.

[0072] Fig. 8 is an external perspective view of a second cartridge set 800 in this embodiment. In Fig. 8, the second cartridge set 800 is attached to a carriage 101 (see Fig. 1) that is movable in the scanning direction (X direction).

[0073] As shown in Fig. 8, the second cartridge set 800 includes a third liquid ejection head cartridge 800a and a fourth liquid ejection head cartridge 800b. The third liquid ejection head cartridge 800a is capable of storing and ejecting black ink. The fourth liquid ejection head cartridge 800b is capable of storing and ejecting color inks. When the second cartridge set 800 is mounted on the carriage 101 (see Fig. 1), the third liquid ejection head cartridge 800a and the fourth liquid ejection head cartridge 800b are disposed adjacent to each other in the scanning direction.

[0074] The third liquid ejection head cartridge 800a includes a third storage section 801a that stores black ink. The third liquid ejection head cartridge 800a includes a third electrical wiring section 802a that can receive a signal transmitted from the liquid ejection device 100 (see FIG. 1), and a third element substrate 803a that can eject black ink. The third element substrate 803a is electrically connected to the third electrical wiring section 802a.

[0075] In FIG. 8, the sixth center line 804 indicates a line passing through the center of the scanning direction (X direction) of the third liquid ejection head cartridge 800a main body and extending along the depth direction (Y direction). The seventh center line 805 indicates a line passing through the center of the scanning direction (X direction) of the third electrical wiring section 802a and extending along the depth direction (Y direction). The eighth center line 806 indicates a line passing through the center of the scanning direction (X direction) of the third element substrate 803a and extending along the depth direction (Y direction). The seventh center line 805 is located closer to the fourth liquid ejection head cartridge 800b than the sixth center line 804. The eighth center line 806 is located closer to the fourth liquid ejection head cartridge 800b than the seventh center line 805.

[0076] The fourth liquid ejection head cartridge 800b includes a fourth storage chamber 801b that stores color ink. The fourth liquid ejection head cartridge 800b includes a fourth electrical wiring section 802b that can receive a signal transmitted from the liquid ejection device 100 (see FIG. 1), and a fourth element substrate 803b that can eject color ink. The fourth element substrate 803b is electrically connected to the fourth electrical wiring section 802b.

[0077] In FIG. 8, the ninth center line 807 indicates a line that passes through the center of the scanning direction (X direction) of the fourth liquid ejection head cartridge 800b main body and extends along the depth direction (Y direction). The tenth center line 808 indicates a line that passes through the center of the scanning direction (X direction) of the fourth electrical wiring section 802b and extends along the depth direction (Y direction). The eleventh center line 809 indicates a line that passes through the center of the scanning direction (X direction) of the fourth element substrate 803b and extends along the depth direction (Y direction). In the scanning direction (X direction), the tenth center line 808 is closer to the third liquid ejection head cartridge 800a than the ninth center line 807. In the scanning direction (X direction), the eleventh center line 809 is closer to the third liquid ejection head cartridge 800a than the tenth center line 808.

[0078] In this way, in the scanning direction (X direction), the distance from the eighth center line 806 to the eleventh center line 809 is shorter than the distance from the seventh center line 805 to the tenth center line 808. According to the configuration of this embodiment, in the scanning direction of each cartridge, the center of each element substrate can be positioned more inward of the second cartridge set 800 than the center of each electrical wiring portion.

[0079] Therefore, the second cartridge set 800 of this embodiment can improve the printing speed compared to the cartridge set 700 of the comparative example.

[0080] [Other embodiments] The present disclosure includes the following configurations.

[0081] [Configuration 1] A cartridge that ejects liquid while moving in a scanning direction, A container capable of containing a liquid; an element substrate having an ejection port for ejecting the liquid contained in the container and an element for generating energy used to eject the liquid; an electric wiring member electrically connected to the element substrate; Equipped with a center of the element substrate in the scanning direction is shifted along the scanning direction from a center of the electric wiring member in the scanning direction. A cartridge characterized by:

[0082] [Configuration 2] In the orientation in which the device moves in the scanning direction, the device substrate is disposed on a bottom portion that is located vertically below the housing portion, The electrical wiring member is flexible and is provided along the front wall portion and the bottom portion of the storage portion. 2. The cartridge of claim 1.

[0083] [Configuration 3] In the posture of moving in the scanning direction, the height of the front wall portion is 2.4 to 2.8 times the width of the front wall portion. 3. The cartridge of claim 2.

[0084] [Configuration 4] In the posture of moving in the scanning direction, the width in the scanning direction is 25 mm or less. A cartridge according to any one of configurations 1 to 3.

[0085] [Configuration 5] In the scanning direction, the length from the center of the element substrate to the center of the electrical wiring member is within a range of 6.4% to 7.2% of the length of the electrical wiring member. A cartridge according to any one of configurations 1 to 4.

[0086] [Configuration 6] Further comprising a supply port for supplying liquid to the storage portion. 6. A cartridge according to any one of claims 1 to 5.

[0087] [Configuration 7] the cartridge is detachably attached to a carriage that is provided in the liquid ejection device and that is movable in the scanning direction; A cartridge according to any one of configurations 1 to 6.

[0088] [Configuration 8] the electrical wiring member receives a predetermined electrical signal transmitted from the liquid ejection device in a state in which the predetermined surface of the carriage is electrically connected to the electrical wiring member; 8. The cartridge of claim 7.

[0089] [Configuration 9] A cartridge set including a first cartridge and a second cartridge that eject liquid while moving in a scanning direction, The first cartridge comprises: A first storage section capable of storing liquid; a first element substrate having a first ejection port for ejecting liquid and a first element for generating energy used to eject the liquid; a first electric wiring member electrically connected to the first element substrate; Equipped with The second cartridge comprises: A second storage section capable of storing liquid; a second element substrate having a second ejection port for ejecting liquid and a second element for generating energy used to eject the liquid; a second electrical wiring member electrically connected to the second element substrate; Equipped with the second cartridge is disposed in parallel with the first cartridge along the scanning direction, a cartridge set, wherein a distance from a center of the first element substrate to a center of the second element substrate in the scanning direction is shorter than a distance from a center of the first electrical wiring member to a center of the second electrical wiring member.

[0090] [Configuration 10] a center of the first element substrate in the scanning direction is located closer to the second cartridge arranged in parallel along the scanning direction than a center of the first electric wiring member in the scanning direction; 10. The cartridge set of claim 9.

[0091] [Configuration 11] the first element substrate is disposed on a first bottom portion of the first housing portion, the first electrical wiring member is flexible and is provided along a first front wall portion to a first bottom portion of the first housing portion, the second element substrate is disposed on a second bottom portion of the second housing portion, the second electrical wiring member is flexible and is provided along a second front wall portion of the second housing portion and a second bottom portion of the second housing portion. 11. A cartridge set according to configuration 9 or 10.

[0092] [Configuration 12] In the scanning direction, a distance from a center of the first electrical wiring member to a center of the second electrical wiring member is shorter than a distance from a center of the first housing portion to a center of the second housing portion. A cartridge set according to any one of configurations 9 to 11.

[0093] [Configuration 13] The liquid is ink. the first element substrate ejects a type of ink different from the type of ink ejected by the second element substrate; 13. A cartridge set according to any one of configurations 9 to 12.

[0094] [Configuration 14] the first cartridge and the second cartridge are detachable from a carriage that is provided in the liquid ejection device and that is movable in the scanning direction; A cartridge set according to any one of configurations 9 to 13.

[0095] [Configuration 15] the first electrical wiring member and the second electrical wiring member receive a predetermined electrical signal transmitted from a liquid ejection device in a state in which a predetermined surface of the carriage is electrically connected to each other; 15. The cartridge set of claim 14.

[0096] [Configuration 16] A cartridge set according to any one of configurations 9 to 15, a moving means for moving the cartridge set in the mounted state in the scanning direction; A liquid ejection device comprising:

[0097] [Configuration 17] a conveying unit that conveys the recording medium in a conveying direction that intersects with the scanning direction, 17. A liquid ejection device according to claim 16.

[0098] [Configuration 18] a first tank having a refill port capable of refilling a first type of liquid from the outside; a second tank having a refill port capable of refilling a second type of liquid from the outside; Further comprising: the first cartridge has a first supply port for supplying the liquid supplied from the first tank to the first storage portion, the second cartridge has a second supply port capable of supplying the liquid supplied from the second tank to the second storage portion; 18. The liquid ejection device according to configuration 16 or 17.

[0099] [Configuration 19] the moving means has a predetermined surface capable of transmitting a predetermined electrical signal output by a control unit, the first electrical wiring member and the second electrical wiring member receive the predetermined electrical signal in a state in which they are connected to the predetermined surface. 19. The liquid ejection device according to any one of configurations 16 to 18.

Claims

1. A cartridge that dispenses liquid while moving in a scanning direction, A storage section capable of containing liquid, An element substrate having a discharge port for discharging the liquid contained in the storage section, and an element for generating energy used to discharge the liquid, The element substrate and the electrically connected electrical wiring member, Equipped with, The center of the element substrate in the scanning direction is offset along the scanning direction from the center of the electrical wiring member in the scanning direction. A cartridge characterized by the following features.

2. In the orientation moving in the scanning direction, the element substrate is positioned at the bottom, which is located vertically below the housing portion. The aforementioned electrical wiring member is flexible and is provided along the front wall portion of the housing portion and the bottom portion. The cartridge according to claim 1.

3. In the orientation moving in the scanning direction, the height of the front wall portion is 2.4 times or more and 2.8 times or less the width of the front wall portion. The cartridge according to claim 2.

4. In the orientation moving in the scanning direction, the width in the scanning direction is 25 mm or less. The cartridge according to any one of claims 1 to 3.

5. In the scanning direction, the length from the center of the element substrate to the center of the electrical wiring member is within the range of 6.4% to 7.2% of the length of the electrical wiring member. The cartridge according to claim 1 or 2.

6. The aforementioned storage section further includes a supply port for supplying liquid, The cartridge according to claim 1 or 2.

7. The cartridge is detachable from the carriage of the liquid dispensing device, which is movable in the scanning direction. The cartridge according to claim 1 or 2.

8. The electrical wiring member, while electrically connected to an electrical connection part provided on the carriage, receives a predetermined electrical signal transmitted from the liquid dispensing device. The cartridge according to claim 7.

9. The center of the housing portion in the scanning direction and the center of the electrical wiring member in the scanning direction coincide. The cartridge according to claim 1.

10. The cartridge is used together with other cartridges arranged in the scanning direction, and the center of the element substrate in the scanning direction is located on the side where the other cartridges are arranged, rather than the center of the electrical wiring member in the scanning direction. The cartridge according to claim 1.

11. An opening is formed in the electrical wiring member, and the element substrate is positioned inside the opening. The cartridge according to claim 1.

12. The aforementioned electrical wiring member is a flexible electrical wiring tape, which is provided in a folded state along the front wall and bottom of the housing portion. The cartridge according to claim 2.

13. The element substrate has a rectangular shape with a shorter side in the scanning direction and a longer side in the depth direction intersecting the scanning direction. The cartridge according to claim 1.

14. A cartridge set including a first cartridge and a second cartridge that discharge liquid while moving in a scanning direction, The first cartridge described above is A first storage section capable of containing liquid, A first element substrate having a first discharge port for discharging liquid and a first element for generating energy used to discharge the liquid, A first electrical wiring member electrically connected to the first element substrate, Equipped with, The second cartridge is, A second storage section capable of containing liquid, A second element substrate having a second discharge port for discharging liquid and a second element for generating energy used to discharge the liquid, A second electrical wiring member electrically connected to the second element substrate, Equipped with, The second cartridge is arranged in parallel with respect to the first cartridge along the scanning direction, In the scanning direction, the distance from the center of the first element substrate to the center of the second element substrate is shorter than the distance from the center of the first electrical wiring member to the center of the second electrical wiring member. A cartridge set characterized by the following features.

15. The center of the first element substrate in the scanning direction is located closer to the second cartridge, which is arranged in parallel along the scanning direction, than the center of the first electrical wiring member in the scanning direction. The cartridge set according to claim 14.

16. The first element substrate is placed at the first bottom of the first housing portion. The first electrical wiring member is flexible and is provided along the first front wall portion to the first bottom portion of the first housing portion. The second element substrate is placed at the second bottom of the second housing, The second electrical wiring member is flexible and is provided along the second front wall portion to the second bottom portion of the second housing portion. The cartridge set according to claim 14 or 15.

17. In the scanning direction, the distance from the center of the first electrical wiring member to the center of the second electrical wiring member is shorter than the distance from the center of the first housing to the center of the second housing. The cartridge set according to claim 14 or 15.

18. The liquid is ink, The first element substrate ejects an ink of a different type than the ink ejected by the second element substrate. The cartridge set according to claim 14 or 15.

19. The first cartridge and the second cartridge are detachably attached to the carriage of the liquid dispensing device that is movable in the scanning direction. The cartridge set according to claim 14 or 15.

20. The first electrical wiring member and the second electrical wiring member, while electrically connected to an electrical connection provided on the carriage, receive a predetermined electrical signal transmitted from the liquid dispensing device. The cartridge set according to claim 19.

21. A cartridge set according to claim 14 or 15, A moving means for moving the cartridge set in the scanning direction while it is installed, A liquid dispensing device characterized by comprising the following features.

22. The system further includes a transport means for transporting the recording medium in a transport direction intersecting the scanning direction. The liquid dispensing device according to claim 21.

23. A first tank having a refill port that allows for the replenishment of a first type of liquid from the outside, A second tank having a refill port that allows for the replenishment of a second type of liquid from the outside, Furthermore, The first cartridge has a first supply port for supplying liquid supplied from the first tank to the first storage section. The second cartridge has a second supply port that can supply liquid supplied from the second tank to the second storage section. The liquid dispensing device according to claim 21.

24. The transport means includes a carriage on which the cartridge set is mounted. The carriage has an electrical connection section that transmits electrical signals output from the control unit, The first electrical wiring member and the second electrical wiring member each receive the electrical signal while connected to the electrical connection part. The liquid dispensing device according to claim 21.

25. The center of the second element substrate in the scanning direction is located closer to the first cartridge than the center of the second electrical wiring member in the scanning direction. The cartridge set according to claim 14.

26. The center of the second element substrate in the scanning direction and the center of the second electrical wiring member in the scanning direction coincide. The cartridge set according to claim 14.

27. The first cartridge and the second cartridge are positioned in the carriage so as to be separated by 1.4 mm or more and 1.8 mm or less in the scanning direction. The cartridge set according to claim 19.

28. The first cartridge contains black ink, and the second cartridge contains cyan ink, magenta ink, and yellow ink. The cartridge set according to claim 18.

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