Printing device, mounting part, printing module and printing equipment

Abstract

The utility model provides a printing device, a mounting piece, a printing module and printing equipment, the printing device comprises a nozzle, and the nozzle is provided with a first magnetic element; the mounting piece is provided with a second magnetic element which can be magnetically connected with the first magnetic element along the first direction; and the limiting piece is arranged between the spray head and the mounting piece so as to limit relative movement of the first magnetic element and the second magnetic element in the direction perpendicular to the first direction. The nozzle and the mounting part are magnetically connected through the first magnetic element and the second magnetic element, the connection mode is simple and rapid, the tedious operation of screwing a plurality of bolts in the prior art is avoided, and the problem that the nozzle and the mounting part relatively move in the direction perpendicular to the first direction due to the fact that the printing device is impacted by force can be avoided by arranging the limiting part; and meanwhile, it is ensured that the nozzle is kept at the preset position on the mounting piece, and the printing quality is ensured.

Description

Technical Field

[0001] This utility model relates to the field of printing technology, and in particular to a printing device, mounting component, printing module, and printing equipment. Background Technology

[0002] The printhead is the executing component of the printing equipment. Before printing, the printhead needs to be installed on the printhead plate of the printing equipment. Currently, multiple bolts are used to fix the printhead to the printhead plate. The bolt installation and removal are very troublesome, requiring manual tightening of each bolt, which consumes a lot of manpower and time, reduces the efficiency of printhead installation and removal, and thus reduces the printing efficiency of the printing equipment. Utility Model Content

[0003] This invention addresses the problems existing in the prior art by providing a printing device that is quick to install, stable, and reliable.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model provides a printing device, comprising: a printhead having a first magnetic element; a mounting member having a second magnetic element that can be magnetically connected to the first magnetic element along a first direction; and a limiting member disposed between the printhead and the mounting member to limit the relative movement of the first magnetic element and the second magnetic element in a direction perpendicular to the first direction.

[0006] In one embodiment, the nozzle includes a spraying part and a connecting part protruding outward relative to the spraying part. The mounting member is provided with a first mounting groove for mounting the spraying part and a second mounting groove for receiving the connecting part. The second magnetic element is placed in the second mounting groove. The connecting part is the first magnetic element, or the first magnetic element is located on the side of the connecting part close to the second magnetic element.

[0007] In one embodiment, the first magnetic element is provided with a first mounting hole, the second magnetic element is provided with a second mounting hole, and the limiting member is fitted into the first mounting hole and the second mounting hole.

[0008] In one embodiment, the limiting member includes a limiting pin fixedly connected to the mounting member. One end of the limiting pin is connected to the bottom wall of the second mounting groove, and the other end of the limiting pin is provided with a guide portion. The outer diameter of the guide portion gradually converges along the direction that gradually moves away from the second mounting groove.

[0009] In one embodiment, the limiting member includes an expansion pin or a spring pin, and the limiting member is interference-fitted with the first mounting hole and the second mounting hole; or, the limiting member includes a bolt screwed to the first mounting hole and the second mounting hole.

[0010] In one embodiment, the first magnetic element is disposed on the side of the connecting portion near the second magnetic element, the limiting member is an annular elastic member, the limiting member is located between the connecting portion and the second magnetic element, the outer side wall of the limiting member is in contact with the groove wall of the second mounting groove, and the inner side wall of the limiting member is in contact with the outer wall of the first magnetic element.

[0011] In one embodiment, the bottom of the inner sidewall of the limiting member is provided with an annular protrusion protruding towards the side near the central axis of the limiting member. In the direction from the connecting part to the second magnetic element, the inner diameter of the annular protrusion gradually decreases. A portion of the outer sidewall of the first magnetic element is adapted to the shape of the inner wall of the annular protrusion. And / or, the groove wall of the second mounting groove is provided with a first groove, and the outer sidewall of the limiting member is provided with a first protrusion that can be received in the first groove. And / or, the sidewall of the first magnetic element is provided with a second groove, and the inner sidewall of the limiting member is provided with a second protrusion that can be received in the second groove.

[0012] In one embodiment, the bottom wall of the second mounting groove is provided with a receiving groove, and the second magnetic element is embedded in the receiving groove.

[0013] In one embodiment, the connecting part is provided with a first contact, the mounting member is provided with an electrical connector, and the electrical connector is provided with a second contact that is electrically connected to the first contact.

[0014] In one embodiment, the second magnetic element is a permanent magnet, or the second magnetic element includes an iron core and a coil wound around the iron core, the coil being electrically connected to an energized circuit.

[0015] By adopting the above structure, this utility model has the following advantages compared with the prior art:

[0016] The printing device of this utility model adopts a magnetic connection between the printhead and the mounting part through a first magnetic element and a second magnetic element. The connection method is simple and quick, avoiding the cumbersome operation of tightening multiple bolts. In addition, the setting of the limiting part can prevent the printhead and the mounting part from moving relative to each other in the direction perpendicular to the first direction due to the impact of the printing device, so as to ensure the reliability of the connection between the printhead and the mounting part, and at the same time ensure that the printhead is kept in the preset position on the mounting part, thus ensuring the printing quality.

[0017] This utility model also provides a mounting component that cooperates with the printhead and limiting component as described above. The printhead is provided with a first magnetic element, and the limiting component is located between the printhead and the mounting component. The mounting component is one of the mounting components in any of the printing devices described above. The mounting component is provided with a second magnetic element magnetically connected to the first magnetic element along a first direction. The second magnetic element is configured to be limited by the limiting component to prevent relative movement with the first magnetic element in a direction perpendicular to the first direction. The mounting component cooperates with the printhead provided with the first magnetic element and the limiting component to achieve quick and reliable printhead installation.

[0018] This utility model also provides a printing module that cooperates with the mounting component and limiting component described above. The mounting component is provided with a second magnetic element, and the limiting component is located between the printhead and the mounting component. The printhead is a printhead as described in any of the printing devices above. The printhead is provided with a first magnetic element magnetically connected to the second magnetic element along a first direction. The first magnetic element is configured to be limited by the limiting component to prevent relative movement with the second magnetic element in a direction perpendicular to the first direction. The printhead, in cooperation with the mounting component and the limiting component, provides a second magnetic element, enabling quick and reliable printhead installation.

[0019] This utility model also provides a printing device, including any of the printing devices described above. Since the printing device includes a printing device, it has the same technical effects as the printing device. Attached Figure Description

[0020] Figure 1 This is a three-dimensional assembly schematic diagram of the printing device according to an embodiment of the present invention;

[0021] Figure 2 yes Figure 1 Top view;

[0022] Figure 3 yes Figure 2 Sectional view along direction AA;

[0023] Figure 4 yes Figure 3 Enlarged schematic diagram of the structure of section B in the middle;

[0024] Figure 5 This is a schematic diagram of another embodiment of the present invention, showing the structure of the limiting member cooperating with the first magnetic element and the second magnetic element;

[0025] Figure 6 This is a schematic diagram of another embodiment of the present invention showing the structure of a limiting member cooperating with a first magnetic element and a second magnetic element;

[0026] Figure 7 This is a schematic diagram of the structure of another limiting member cooperating with the first magnetic element and the second magnetic element according to another embodiment of this utility model;

[0027] Figure 8 yes Figure 1 A three-dimensional structural diagram of the nozzle;

[0028] Figure 9 yes Figure 1 A three-dimensional structural diagram of the mounting components.

[0029] Labeling: Nozzle 1; Spraying part 11; Connecting part 12; First magnetic element 13; First mounting hole 14; First contact 16; Mounting part 2; First mounting groove 21; Second mounting groove 22; Receiving groove 23; Second magnetic element 24;

[0030] Second mounting hole 25; Third mounting hole 26; Electrical connector 27; Second contact 271; Limiting element (3, 3');

[0031] Guide portion 31; first protrusion 32; annular protrusion 33. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0033] like Figure 1-7 As shown, this utility model embodiment provides a printing device, including a mounting component 2, a printhead 1, and a limiting component 3. The printhead 1 is provided with a first magnetic element 13, and the mounting component 2 is provided with a second magnetic element 24 that can be magnetically connected to the first magnetic element 13 along a first direction y. The limiting component 3 is disposed between the printhead 1 and the mounting component 2 to restrict the relative movement of the first magnetic element 13 and the second magnetic element 24 in a direction perpendicular to the first direction. The direction perpendicular to the first direction is the second direction X. The printhead 1 and the mounting component 2 are magnetically connected through the first magnetic element 13 and the second magnetic element 24. The connection method is simple and quick, avoiding the cumbersome operation of tightening multiple bolts. Furthermore, the limiting component 3 can prevent the printhead 1 and the mounting component 2 from moving relative to each other in the second direction X due to force impact, ensuring the reliability of the connection between the printhead 1 and the mounting component 2, and ensuring that the printhead 1 is kept in a preset position on the mounting component 2, thus ensuring print quality.

[0034] Specifically, the first magnetic element 13 can be made of permanent magnet material or soft magnetic material, and the first magnetic element 13 can be magnetically attracted by the second magnetic element 24. The second magnetic element 24 can be a permanent magnet or an electromagnet. The electromagnet includes an iron core and a coil wound around the iron core. The coil is electrically connected to the control circuit. The control circuit passes a corresponding current to the coil to generate a magnetic field, which generates a magnetic attraction force on the first magnetic element 13. When it is necessary to repair or replace the nozzle 1, the control circuit can de-energize the coil, and the second magnetic element 24 will not generate a magnetic attraction force on the first magnetic element 13, thus separating the nozzle 1 from the mounting part 2.

[0035] like Figure 3 , 8 As shown, the nozzle 1 includes a spray section 11 and a connecting section 12 protruding outward relative to the spray section 11. The mounting member 2 is provided with a first mounting groove 21 for mounting the spray section 11 and a second mounting groove 22 for receiving the connecting section 12. The second magnetic element 24 is placed in the second mounting groove 22. The connecting section 12 is the first magnetic element 13, or the first magnetic element 13 is provided on the side of the connecting section 12 close to the second magnetic element 24. When the connecting section 12 is made of a material that can be attracted by an electromagnet or a permanent magnet, the connecting section 12 can be directly magnetically connected to the second magnetic element 24. The part of the connecting section 12 that contacts the second magnetic element 24 serves as the first magnetic element 13. Of course, in order to strengthen the connection between the nozzle 1 and the second magnetic element 24, a first magnetic element 13 can also be added to the connecting section 12. Alternatively, when the connecting part 12 itself cannot be attracted by an electromagnet or permanent magnet, a first magnetic element 13 is provided on the connecting part 12. The first magnetic element 13 is located on the side of the connecting part 12 close to the second magnetic element 24. The nozzle 1 and the mounting part 2 are fixedly connected by the first magnetic element 13 and the second magnetic element 24.

[0036] The first magnetic element 13 may be embedded in the connecting part 12, or the first magnetic element 13 may be fixedly connected to the connecting part 12 by fasteners. Preferably, there are two connecting parts 12 located at opposite ends of the spraying part 11, and each connecting part 12 is connected to the mounting member 2 by a limiting member 3.

[0037] like Figure 9 As shown, in this embodiment, the bottom wall of the second mounting groove 22 is provided with a receiving groove 23, and the second magnetic element 24 is embedded in the receiving groove 23 to prevent the second magnetic element 24 from falling out of the receiving groove 23. To strengthen the connection between the two, a concave-convex mating structure is provided between the second magnetic element 24 and the mounting member 2. In other embodiments, the second magnetic element 24 does not necessarily have to be embedded in the mounting member 2; the second magnetic element 24 can also be fixedly connected to the mounting member 2 by fasteners.

[0038] In some embodiments, such as Figure 4-5 , Figure 7-9As shown, to restrict the relative movement of the first magnetic element 13 and the second magnetic element 24 along the first direction, the limiting member 3 specifically provides a first mounting hole 14 for the first magnetic element 13 and a second mounting hole 25 for the second magnetic element 24. The limiting member 3 cooperates with the first mounting hole 14 and the second mounting hole 25, thereby strengthening the connection between the first magnetic element 13 and the second magnetic element 24 and further preventing relative movement due to external forces. The first mounting hole 14 and the second mounting hole 25 are preferably through holes.

[0039] The structure of the limiting member 3 can vary. Several examples are given below. Example 1: Figure 4 , 9 As shown, the limiting member 3 includes a limiting pin fixedly connected to the mounting member 2. One end of the limiting pin is connected to the bottom wall of the second mounting groove 22, and the other end of the limiting pin is provided with a guide portion 31. The outer diameter of the guide portion 31 gradually converges along the direction gradually away from the second mounting groove 22. The guide portion 31 can be frustum-shaped, conical, or pyramidal, or of course, other shapes. It serves to guide the installation of the nozzle 1, facilitating the passage of the second mounting hole 25 of the second magnetic element 24 through the limiting pin. To achieve a fixed connection between the limiting pin and the mounting member 2, the limiting pin and the mounting member 2 are integrally formed, that is, the limiting pin and the mounting member 2 are formed simultaneously during manufacturing, eliminating the need for subsequent assembly operations. Alternatively, the limiting pin and the mounting member 2 can be formed separately, and assembled and fixed by welding, screwing, snapping, bonding, etc. Before installing the nozzle 1 onto the mounting member 2, the limiting pin and the mounting member 2 are assembled and fixed first. To ensure that the nozzle 1 can move along the limiting pin until the first magnetic element 13 and the second magnetic element 24 are in complete contact during installation, the gaps between the limiting pin and the first mounting hole 14 and between the limiting pin and the second mounting hole 25 are designed to be very small. This helps to prevent relative movement of the first magnetic element 13 and the second magnetic element 24 from affecting the position of the nozzle 1 and the stability of the nozzle 1's operation.

[0040] Example 2: The limiting component 3 includes a limiting pin. The nozzle 1 can be connected and fixed to the mounting component 2 before the limiting pin is inserted. The end of the limiting pin near the bottom wall of the second mounting groove 22 has a chamfer to facilitate the passing of the limiting pin through the first mounting hole 14. The bottom wall of the second mounting groove 22 has a third mounting hole 26. In addition to connecting with the first mounting hole 14 and the second mounting hole 25, the limiting pin also connects to the third mounting hole 26.

[0041] Example 3: The limiting member 3 includes an expansion pin or a spring pin. The limiting member 3 has an interference fit with the first mounting hole 14 and the second mounting hole 25, and the limiting member 3 is in close contact with the inner walls of the first mounting hole 14 and the second mounting hole 25. The elastic pin is an existing structure, usually a slotted or rolled cylindrical pin, which relies on its own elastic deformation to fit the hole wall of the first mounting hole 14 and the hole wall of the second mounting hole 25. Specifically, it can be an open elastic pin, a rolled elastic pin, a tapered elastic pin, etc. The expansion pin is also an existing structure, including an expansion sleeve, a tapered pin shaft, etc., which relies on the radial expansion of the expansion sleeve to fit the hole wall of the first mounting hole 14 and the hole wall of the second mounting hole 25.

[0042] Example 4: The limiting member 3 includes a bolt that is screwed into the first mounting hole 14 and the second mounting hole 25. The first mounting hole 14 and the second mounting hole 25 are both threaded holes. In order to enhance the connection reliability between the bolt and the first mounting hole 14 and the second mounting hole 25 and prevent loosening, elastic rings can be built into the first mounting hole 14 and the second mounting hole 25, or thread fastening adhesive can be injected into the first mounting hole 14 and the second mounting hole 25.

[0043] In another embodiment, the limiting member 3 can be, in addition to the aforementioned limiting pin, expansion pin, elastic pin, and bolt, a ring-shaped elastic member, such as... Figure 6-7 As shown, the first magnetic element 13 is disposed on the side of the connecting portion 12 near the second magnetic element 24. The limiting member 3 is located between the connecting portion 12 and the second magnetic element 24. The outer side wall of the limiting member 3 is in contact with the groove wall of the second mounting groove 22, and the inner side wall of the limiting member 3 is in contact with the outer wall of the first magnetic element 13. The annular elastic member fills the gap between the connecting portion 12 and the second magnetic element 24, and between the first magnetic element 13 and the groove wall of the second mounting groove 22, which helps to prevent the first magnetic element 13 and the second magnetic element 24 from moving relative to each other in the second direction X due to external impact. The annular elastic member also plays a certain role in buffering, avoiding damage caused by hard collision between the nozzle 1 and the mounting part 2.

[0044] like Figure 6-7As shown, to enhance the reliability of the connection between the annular elastic element and the first magnetic element 13, the bottom of the inner sidewall of the limiting member 3 is provided with an annular protrusion 33 protruding towards the side near the central axis of the limiting member 3. In the direction from the connecting part 12 to the second magnetic element 24, the inner diameter of the annular protrusion 33 gradually decreases, and part of the outer sidewall of the first magnetic element 13 is adapted to the shape of the inner wall of the annular protrusion 33. Preferably, to ensure the annular elastic element is securely placed between the first magnetic element 13 and the mounting member 2 and to prevent the annular elastic element from detaching, the groove wall of the second mounting groove 22 is provided with a first groove, the outer sidewall of the limiting member 3 is provided with a first protrusion 32 that can be accommodated in the first groove, and / or, the sidewall of the first magnetic element 13 is provided with a second groove (not shown), and the inner sidewall of the limiting member 3 is provided with a second protrusion (not shown) that can be accommodated in the second groove, thus achieving a concave-convex fit between the annular elastic element and the mounting member 2, and between the annular elastic element and the first magnetic element 13.

[0045] like Figure 4 , 8 As shown in Figure 9, the connecting part 12 is provided with a first contact 16, the mounting part 2 is provided with an electrical connector 27, and the electrical connector 27 is provided with a second contact 271 electrically connected to the first contact 16. The second electrical connector 27 is electrically connected to the nozzle control module. When the nozzle 1 is installed in place, the first magnetic element 13 and the second magnetic element 24 are magnetically connected, and the first contact 16 and the second contact 271 are in contact. The electrical connector 27 can transmit the signal that the nozzle 1 is installed in place to the nozzle control module of the controller, set control signals such as spray voltage, spray frequency and duty cycle for the actuator, and thus control the actuator to work, so that the nozzle 2 sprays droplets, eliminating the need for manual power-on of the nozzle 1.

[0046] like Figure 8 As shown, this utility model also protects a printing module that cooperates with the mounting member 2 and the limiting member 3 in the printing device described in any of the above embodiments. The mounting member 2 is provided with a second magnetic element 24, and the limiting member 3 is located between the printhead 1 and the mounting member 2. The printing module includes the printhead 1 in the printing device described in any of the above embodiments. The printhead 1 is provided with a first magnetic element 13 that is magnetically connected to the second magnetic element 24. The first magnetic element 13 is configured to be limited by the limiting member 3 to prevent relative movement with the second magnetic element 24 in a direction perpendicular to a first direction. The printing module cooperates with the mounting member 1 provided with the second magnetic element 24 and the limiting member 3 to achieve quick installation of the printhead 1, and the printhead 1 is reliably installed.

[0047] like Figure 9As shown, this utility model also protects a mounting component 2, which cooperates with the printhead 1 and the limiting component 3 in the printing device described in any of the above embodiments. The printhead 1 is provided with a first magnetic element 13, and the limiting component 3 is located between the printhead 1 and the mounting component 2. The mounting component 2 is the mounting component in the printing device described in any of the above embodiments. The mounting component 2 is provided with a second magnetic element 24 that is magnetically connected to the first magnetic element 13. The second magnetic element 24 is configured to be limited by the limiting component 3 to prevent relative movement with the first magnetic element 13 in a direction perpendicular to a first direction. The mounting component 2 cooperates with the printhead 2 provided with the first magnetic element 13 and the limiting component 3 to achieve quick installation of the printhead 1, and the printhead 1 is reliably installed.

[0048] This utility model also protects a printing device, including the printing apparatus as described in any of the above embodiments. Since the printing device includes the printing apparatus, it has the same technical effects as the printing apparatus.

[0049] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] Although embodiments of the present invention have been shown and described above, they should not be construed as limiting the scope of the claims. The present invention is not limited to the above embodiments, and variations in its specific structure are permitted. All changes made within the scope of the independent claims of the present invention are within the scope of protection of the present invention.

Claims

1. A printing device, characterized in that, include: The nozzle is provided with a first magnetic element; The mounting component is provided with a second magnetic element that can be magnetically connected to the first magnetic element along a first direction; A limiting member is provided between the nozzle and the mounting member to restrict the relative movement of the first magnetic element and the second magnetic element in a direction perpendicular to the first direction.

2. The printing apparatus as described in claim 1, characterized in that: The nozzle includes a spraying part and a connecting part that protrudes outward relative to the spraying part. The mounting member is provided with a first mounting groove for mounting the spraying part and a second mounting groove for receiving the connecting part. The second magnetic element is placed in the second mounting groove. The connecting part is the first magnetic element, or the first magnetic element is disposed on the side of the connecting part close to the second magnetic element.

3. The printing apparatus as described in claim 2, characterized in that: The first magnetic element has a first mounting hole, the second magnetic element has a second mounting hole, and the limiting member is fitted into the first mounting hole and the second mounting hole.

4. The printing apparatus as described in claim 3, characterized in that: The limiting component includes a limiting pin fixedly connected to the mounting component. One end of the limiting pin is connected to the bottom wall of the second mounting groove, and the other end of the limiting pin is provided with a guide portion. The outer diameter of the guide portion gradually converges along the direction that gradually moves away from the second mounting groove.

5. A printing apparatus as described in claim 3, characterized in that: The limiting component includes an expansion pin or a spring pin, and the limiting component is interference-fitted with the first mounting hole and the second mounting hole; Alternatively, the limiting member may include a bolt that is screwed into the first mounting hole and the second mounting hole.

6. A printing apparatus as described in claim 2, characterized in that: The first magnetic element is disposed on the side of the connecting part near the second magnetic element. The limiting member is an annular elastic member. The limiting member is located between the connecting part and the second magnetic element. The outer side wall of the limiting member is in contact with the groove wall of the second mounting groove, and the inner side wall of the limiting member is in contact with the outer wall of the first magnetic element.

7. A printing apparatus as described in claim 6, characterized in that, The bottom of the inner wall of the limiting member is provided with an annular protrusion that protrudes toward the side close to the central axis of the limiting member. In the direction from the connecting part to the second magnetic element, the inner diameter of the annular protrusion gradually decreases. Part of the outer wall of the first magnetic element is adapted to the shape of the inner wall of the annular protrusion. And / or, the groove wall of the second mounting groove is provided with a first groove, and the outer side wall of the limiting member is provided with a first protrusion that can be received in the first groove; And / or, the sidewall of the first magnetic element is provided with a second groove, and the inner sidewall of the limiting member is provided with a second protrusion that can be accommodated in the second groove.

8. A printing apparatus as described in claim 2, characterized in that, The bottom wall of the second mounting groove is provided with a receiving groove, and the second magnetic element is embedded in the receiving groove.

9. A printing apparatus as described in claim 2, characterized in that, The connecting part is provided with a first contact, the mounting part is provided with an electrical connector, and the electrical connector is provided with a second contact that is electrically connected to the first contact.

10. A printing apparatus as claimed in claim 1, characterized in that, The second magnetic element is a permanent magnet, or the second magnetic element includes an iron core and a coil wound around the iron core, the coil being electrically connected to an energized circuit.

11. A mounting component that cooperates with a printhead and a limiting member in a printing apparatus as claimed in any one of claims 1-10, wherein the printhead is provided with a first magnetic element, and the limiting member is located between the printhead and the mounting component, characterized in that, include: The mounting component is a mounting component in a printing apparatus according to any one of claims 1-10, the mounting component having a second magnetic element magnetically connected to the first magnetic element along a first direction, the second magnetic element being configured to be limited by a limiting member to prevent relative movement with the first magnetic element in a direction perpendicular to the first direction.

12. A printing module that cooperates with a mounting member and a limiting member in a printing apparatus as described in any one of claims 1-10, wherein the mounting member is provided with a second magnetic element, and the limiting member is located between the printhead and the mounting member, characterized in that, include: The printhead is a printhead in a printing apparatus according to any one of claims 1-10, the printhead having a first magnetic element magnetically connected to a second magnetic element along a first direction, the first magnetic element being configured to be limited by a limiting member to prevent relative movement with the second magnetic element in a direction perpendicular to the first direction.

13. A printing device, characterized in that, Includes the printing apparatus as described in any one of claims 1-10.

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