An inkjet mechanism of a printer and a method of using the same
By designing a cleaning, adaptation, and rinsing mechanism for the inkjet system, the problem of nozzle clogging caused by ink sedimentation in the printing press was solved, ensuring printing quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TUNGKONG INC
- Filing Date
- 2024-12-03
- Publication Date
- 2026-06-19
AI Technical Summary
When a printing press is not used for a long time, ink will settle, causing particles and solids to clog the nozzles and affecting print quality.
An inkjet mechanism was designed, including a purification mechanism, an adaptation mechanism, and a rinsing mechanism. It removes sediment and blockages from the ink through a filter, a centrifugal plate to agitate particles, a stirring plate to stir, an electric telescopic rod to control, and a rinsing liquid to clean.
It effectively removes deposits and blockages from the ink, ensuring unobstructed nozzles, guaranteeing printing quality, and preventing unclear or overly thick fonts.
Smart Images

Figure CN119502552B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of printing equipment technology, specifically to an inkjet mechanism for a printing press and its usage method. Background Technology
[0002] A printing press is a machine for printing text and images. A modern printing press generally consists of mechanisms for mounting the printing plate, inking, printing, and paper feeding (including folding). Its working principle is as follows: First, the text and images to be printed are made into a printing plate, which is then mounted on the printing press. Then, ink is applied to the areas of the printing plate containing the text and images, either manually or by the printing press itself. The ink is then directly or indirectly transferred to paper or other printing substrates (such as textiles, metal plates, plastics, leather, wood, glass, and ceramics), thereby reproducing a printed product identical to the printing plate. The invention and development of the printing press has played an important role in the dissemination of human civilization and culture.
[0003] When a printing press is not used for a long time, the ink inside will settle and produce particles. The ink will also become unusable due to uneven settling. The ink at the nozzle will evaporate and solidify upon contact with air. The solidified material and particles will cause the nozzle to become clogged and unable to work properly again, affecting the printing quality. Summary of the Invention
[0004] The purpose of this invention is to provide an inkjet mechanism for a printing press and its usage method, in order to solve the problem that after a long period of non-use, the ink inside the printing press will precipitate, and the precipitate will produce particulate matter. At this time, the ink will also be unable to be used normally due to uneven precipitation. The ink at the nozzle will evaporate and solidify upon contact with air. The solidified matter and particles will cause the nozzle to become clogged and unable to work normally again, thus affecting the printing quality.
[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:
[0006] This invention relates to an inkjet mechanism for a printing press, comprising an inkjet cartridge, an ink storage chamber fixedly mounted on the top of the inkjet cartridge, a circular block fixedly mounted on the top of the ink storage chamber, and a transmission cylinder fixedly mounted on the top of the circular block, the transmission cylinder communicating with the circular block, and further comprising:
[0007] The impurity removal mechanism includes a conical groove formed within a circular block. The inner wall of the conical groove has several filter holes, the bottom ends of which communicate with the ink storage cavity. Two impurity discharge strip grooves are formed on the inner wall of the conical groove. Two collection boxes are slidably mounted on the circular block, with their ends extending into the circular block and communicating with the two impurity discharge strip grooves. A transmission box is rotatably mounted on the top inner wall of a transmission box, penetrating the circular block and extending into the ink storage cavity. A rotating shaft is rotatably connected to the transmission box, the circular block, and the ink storage cavity. A centrifugal plate is fixedly sleeved on the rotating shaft, and the centrifugal plate contacts the inner wall of the conical groove.
[0008] Furthermore, an installation plate is fixedly installed inside the ink storage chamber, the bottom end of the rotating shaft is rotatably connected to the installation plate, several stirring plates are fixedly installed on the rotating shaft, a water pump is fixedly installed on the top of the inkjet cartridge, an ink suction tube and an ink outlet tube are fixedly installed on the right side of the water pump, the bottom end of the ink suction tube communicates with the inkjet cartridge, and the top end of the ink outlet tube is connected to the transmission cylinder.
[0009] Furthermore, the top of the inkjet cartridge is provided with an adaptation mechanism, which includes a rectangular grooved block fixedly installed on the top of the inkjet cartridge. The top of the rectangular grooved block is fixedly connected to the ink storage cavity. An L-shaped transmission plate is slidably installed on the ink storage cavity. The top end of the L-shaped transmission plate extends into the ink storage cavity. An adaptation spring is fixedly installed on the back of the ink storage cavity. The end of the adaptation spring is fixedly connected to the L-shaped transmission plate.
[0010] Furthermore, two adaptive springs are fixedly installed at the end of the L-shaped transmission plate, a closing plate is slidably installed inside the rectangular grooved block, the end of the closing plate extends outside the rectangular grooved block, the front ends of the two adaptive springs are fixedly connected to the back of the closing plate, an electric telescopic rod is fixedly installed on the back of the ink storage cavity, and an L-shaped push rod is fixedly installed on the output shaft of the electric telescopic rod.
[0011] Furthermore, the inkjet cartridge has a through groove, and a connecting pipe is fixedly installed at the left end of the rectangular slotted block. The end of the connecting pipe communicates with the through groove, and a one-way valve is installed in the through groove.
[0012] Furthermore, a rinsing mechanism is provided on the left side of the inkjet cartridge. The rinsing mechanism includes a circular hollow box fixedly installed on the left side of the inkjet cartridge. The right side of the circular hollow box extends into the inkjet cartridge. A T-shaped hollow plate is slidably installed inside the circular hollow box. The right side of the T-shaped hollow plate extends out of the circular hollow box. Several drainage holes are provided on the outer wall of the T-shaped hollow plate. A sealing spring is fixedly installed on the inner left wall of the circular hollow box. The right end of the sealing spring is fixedly connected to the inner wall of the T-shaped hollow plate.
[0013] Furthermore, several partitions are fixedly installed inside the inkjet cartridge, several inverted conical nozzles are opened at the bottom of the inkjet cartridge, several high-sensitivity heating resistors are provided on the inner wall of the top of the inkjet cartridge, and the several high-sensitivity heating resistors are perpendicular to the several inverted conical nozzles respectively. A drainage plate is provided on the back of the inkjet cartridge.
[0014] Furthermore, the method for the inkjet mechanism of a printing press includes the following steps:
[0015] S1: Filter ink;
[0016] S2: Thorough filtration;
[0017] S3: Close the rectangular slotted block;
[0018] S4: Rinse the inverted conical nozzle and inkjet cartridge.
[0019] The present invention has the following beneficial effects:
[0020] (1) The inkjet mechanism of a printing press of the present invention, when the device is not used for a long time, the water pump is started. The water pump will draw the ink in the inkjet cartridge into the transmission round box through the ink suction pipe and the ink outlet pipe. When the ink enters the transmission round box, it will come into contact with several transmission fan blades. The transmission fan blades will rotate and drive the rotating shaft to rotate. Then the ink will flow into the conical groove on the circular block and pass through several filter holes to enter the ink storage chamber. After the filter holes are filtered, the particles that have been deposited for a long time will remain in the conical groove. The rotating shaft will drive the centrifugal plate to rotate. The centrifugal plate will drive the particles to rotate. Under the action of centrifugal force, the particles will be thrown upward in the conical groove. The particles will fall into the impurity strip groove and then enter the collection box for collection. This reduces the phenomenon of uneven ink output caused by the particles that have been deposited in the ink clogging the inverted conical nozzle due to the device not being used for a long time.
[0021] (2) The inkjet mechanism of the printing press of the present invention drives several stirring plates to rotate simultaneously during the rotation of the rotating shaft. The stirring plates stir the ink in the ink storage chamber to make the ink more uniform and prevent the ink from settling during the printing process, resulting in unclear or overly thick characters. During the rotation of the stirring plates, they will come into contact with the L-shaped transmission plate. The L-shaped transmission plate will move away from the ink storage chamber under the push of the stirring plates. The L-shaped transmission plate will drive the adaptation spring II to move. The adaptation spring II will pull the closing plate away from the groove in the rectangular strip block, so that the ink storage chamber is connected to the inkjet cartridge. The filtered ink will enter the inkjet cartridge from the ink storage chamber again for circulation filtration, thereby ensuring that the ink in the inkjet cartridge and the ink storage chamber does not contain impurities and ensuring the quality of the printed characters.
[0022] (3) The inkjet mechanism of a printing press of the present invention, after the ink in the inkjet cartridge and the ink storage chamber are stirred and filtered, the electric telescopic rod is started. The electric telescopic rod will drive the L-shaped push rod to move towards the ink storage chamber. The L-shaped push rod will contact the closing plate and push the closing plate to close the groove in the rectangular groove block. During the continuous operation of the water pump, the water pump will pump all the ink in the connecting pipe and the inkjet cartridge into the ink storage chamber to ensure that there is no ink in the inkjet cartridge, thereby providing conditions for cleaning the inverted conical nozzle.
[0023] (4) The inkjet mechanism of a printing press of the present invention connects a circular hollow box to a rinsing liquid. After the rinsing liquid enters the circular hollow box, it pushes the T-shaped hollow plate to move closer to the inkjet cartridge. At this time, the sealing spring is stretched and deformed. When the drain hole on the T-shaped hollow plate leaves the circular hollow box, the rinsing liquid will enter the inkjet cartridge through the drain hole. As more and more rinsing liquid enters the inkjet cartridge, the pressure of the rinsing liquid will increase. In addition, the density of the rinsing liquid is less than that of the ink. The rinsing liquid will gradually flow out from several inverted conical nozzles, thereby soaking and dissolving the blockages in the inkjet cartridge and the inverted conical nozzles. Since a one-way valve is provided in the through groove, the rinsing liquid will not enter the ink storage chamber. After the inkjet cartridge and the inverted conical nozzles are soaked and rinsed, the drain plate is opened to drain the rinsing liquid, thereby ensuring the smooth ink output of the inverted conical nozzles and further ensuring the printing quality of the inverted conical nozzles.
[0024] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0027] Figure 2 This is a schematic cross-sectional view of the rear portion of the present invention;
[0028] Figure 3 For the present invention Figure 2 A magnified structural diagram of A in the middle;
[0029] Figure 4 This is a schematic diagram of the full cross-sectional structure of the rear portion of the present invention;
[0030] Figure 5 For the present invention Figure 4 A magnified structural diagram of B in the diagram;
[0031] Figure 6 For the present invention Figure 4 A magnified structural diagram of C;
[0032] Figure 7 This is a partial cross-sectional view of the inkjet cartridge of the present invention;
[0033] Figure 8 This is a schematic diagram of the method steps of the present invention.
[0034] The attached diagram lists the components represented by each number as follows:
[0035] In the diagram: 1. Inkjet cartridge; 2. Ink storage chamber; 3. Circular block; 4. Transmission box; 5. Impurity removal mechanism; 501. Conical groove; 502. Filter hole; 503. Impurity discharge strip groove; 504. Collection box; 505. Rotating shaft; 506. Centrifugal plate; 507. Transmission fan blade; 508. Mounting plate; 509. Stirring plate; 510. Water pump; 511. Ink suction tube; 512. Ink outlet tube; 6. Adaptation mechanism; 601. Rectangular grooved block; 602. L-shaped transmission plate; 603, Adaptive spring one; 604, Adaptive spring two; 605, Closing plate; 606, Electric telescopic rod; 607, L-shaped push rod; 6071, Through groove; 608, Connecting pipe; 609, One-way valve; 7, Flushing mechanism; 701, Circular hollow box; 702, T-shaped hollow plate; 703, Leakage hole; 704, Sealing spring; 705, Partition plate; 706, Inverted conical spray hole; 707, High-sensitivity heating resistor; 708, Drainage plate. Detailed Implementation
[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0037] Please see Figure 1 - Figure 8 As shown, the present invention is an inkjet mechanism for a printing press, including an inkjet cartridge 1, an ink storage chamber 2 fixedly installed on the top of the inkjet cartridge 1, a circular block 3 fixedly installed on the top of the ink storage chamber 2, a transmission cylinder 4 fixedly installed on the top of the circular block 3, the transmission cylinder 4 communicating with the circular block 3, and further including:
[0038] The impurity removal mechanism 5 includes a conical groove 501 formed inside the circular block 3. Several filter holes 502 are formed on the inner wall of the conical groove 501. The bottom ends of the filter holes 502 are all connected to the ink storage cavity 2. Two impurity discharge strip grooves 503 are formed on the inner wall of the conical groove 501. Two collection boxes 504 are slidably installed on the circular block 3. The ends of the two collection boxes 504 that are close to each other extend into the circular block 3 and are connected to the two impurity discharge strip grooves 503. A transmission box 4 is rotatably installed on the top inner wall of the transmission box 4. The transmission box 4 passes through the circular block 3 and extends into the ink storage cavity 2. A rotating shaft 505 is rotatably connected to the transmission box 4, the circular block 3 and the ink storage cavity 2. A centrifugal plate 506 is fixedly sleeved on the rotating shaft 505. The centrifugal plate 506 is in contact with the inner wall of the conical groove 501.
[0039] like Figure 1 and Figure 2 As shown, an mounting plate 508 is fixedly installed inside the ink storage chamber 2. The bottom end of the rotating shaft 505 is rotatably connected to the mounting plate 508. Several stirring plates 509 are fixedly installed on the rotating shaft 505. A water pump 510 is fixedly installed on the top of the inkjet cartridge 1. An ink suction tube 511 and an ink outlet tube 512 are fixedly installed on the right side of the water pump 510. The bottom end of the ink suction tube 511 is connected to the inkjet cartridge 1, and the top end of the ink outlet tube 512 is connected to the transmission round box 4.
[0040] When the water pump 510 is started, it will draw the ink from the inkjet cartridge 1 into the transmission box 4 through the ink suction pipe 511 and the ink output pipe 512.
[0041] like Figure 5 As shown, an adaptation mechanism 6 is provided on the top of the inkjet cartridge 1. The adaptation mechanism 6 includes a rectangular grooved block 601 fixedly installed on the top of the inkjet cartridge 1. The top of the rectangular grooved block 601 is fixedly connected to the ink storage cavity 2. An L-shaped transmission plate 602 is slidably installed on the ink storage cavity 2. The top end of the L-shaped transmission plate 602 extends into the ink storage cavity 2. An adaptation spring 603 is fixedly installed on the back of the ink storage cavity 2. The end of the adaptation spring 603 is fixedly connected to the L-shaped transmission plate 602.
[0042] During the rotation of the stirring plate 509, it will come into contact with the L-shaped transmission plate 602. The L-shaped transmission plate 602 will move away from the ink storage cavity 2 under the push of the stirring plate 509.
[0043] like Figure 5 As shown, two adaptive springs 604 are fixedly installed at the end of the L-shaped transmission plate 602. A closing plate 605 is slidably installed inside the rectangular grooved block 601. The end of the closing plate 605 extends outside the rectangular grooved block 601. The front ends of the two adaptive springs 604 are fixedly connected to the back of the closing plate 605. An electric telescopic rod 606 is fixedly installed on the back of the ink storage cavity 2. An L-shaped push rod 607 is fixedly installed on the output shaft of the electric telescopic rod 606.
[0044] The L-shaped transmission plate 602 will drive the second adaptation spring 604 to move. The second adaptation spring 604 will pull the closing plate 605 away from the groove in the rectangular grooved block 601, so that the ink storage chamber 2 is connected to the inkjet cartridge 1. The filtered ink will enter the inkjet cartridge 1 from the ink storage chamber 2 again for circulation filtration, thereby ensuring that the ink in the inkjet cartridge 1 and the ink storage chamber 2 does not contain impurities and ensuring the quality of printed fonts.
[0045] like Figure 4 , Figure 5 and Figure 6 As shown, a through groove 6071 is provided on the inkjet cartridge 1. A connecting pipe 608 is fixedly installed on the left end of the rectangular grooved block 601. The end of the connecting pipe 608 is connected to the through groove 6071. A one-way valve 609 is provided in the through groove 6071.
[0046] The electric telescopic rod 606 will drive the L-shaped push rod 607 to move closer to the ink storage chamber 2. The L-shaped push rod 607 will contact the closing plate 605 and push the closing plate 605 to close the groove in the rectangular grooved block 601. During the continuous operation of the water pump 510, the water pump 510 will pump all the ink in the connecting pipe 608 and the ink cartridge 1 into the ink storage chamber 2.
[0047] As shown in Figure 6, a rinsing mechanism 7 is provided on the left side of the inkjet cartridge 1. The rinsing mechanism 7 includes a circular hollow box 701 fixedly installed on the left side of the inkjet cartridge 1. The right side of the circular hollow box 701 extends into the inkjet cartridge 1. A T-shaped hollow plate 702 is slidably installed inside the circular hollow box 701. The right side of the T-shaped hollow plate 702 extends out of the circular hollow box 701. Several drainage holes 703 are opened on the outer wall of the T-shaped hollow plate 702. A sealing spring 704 is fixedly installed on the inner wall of the left side of the circular hollow box 701. The right end of the sealing spring 704 is fixedly connected to the inner wall of the T-shaped hollow plate 702.
[0048] The circular hollow box 701 is connected to the rinsing fluid. After the rinsing fluid enters the circular hollow box 701, it will push the T-shaped hollow plate 702 to move closer to the inkjet cartridge 1. At this time, the sealing spring 704 is stretched and deformed. When the drain hole 703 on the T-shaped hollow plate 702 leaves the circular hollow box 701, the rinsing fluid will enter the inkjet cartridge 1 through the drain hole 703.
[0049] like Figure 6 and Figure 7 As shown, several partitions 705 are fixedly installed inside the inkjet cartridge 1. Several inverted conical nozzles 706 are opened at the bottom of the inkjet cartridge 1. Several high-sensitivity heating resistors 707 are provided on the inner wall of the top of the inkjet cartridge 1. The several high-sensitivity heating resistors 707 are perpendicular to the several inverted conical nozzles 706. A drainage plate 708 is provided on the back of the inkjet cartridge 1.
[0050] The rinsing fluid gradually flows out from several inverted conical nozzles 706, thereby soaking and dissolving the blockages in the inkjet cartridge 1 and the inverted conical nozzles 706. Since a one-way valve 609 is provided in the through groove 6071, the rinsing fluid will not enter the ink storage chamber 2. After soaking and rinsing, the drain plate 708 is opened to drain the rinsing fluid, thereby ensuring the smooth ink output of the inverted conical nozzles 706 and further ensuring the printing quality of the inverted conical nozzles 706.
[0051] like Figure 1 - Figure 8 As shown, a method for the inkjet mechanism of a printing press includes the following steps:
[0052] S1: Filter ink;
[0053] S2: Thorough filtration;
[0054] S3: Close rectangular slotted block 601;
[0055] S4: Rinse the inverted conical nozzle 706 and inkjet cartridge 1.
[0056] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims
1. An inkjet mechanism for a printing press, comprising an inkjet cartridge (1), wherein an ink storage chamber (2) is fixedly installed on the top of the inkjet cartridge (1), a circular block (3) is fixedly installed on the top of the ink storage chamber (2), and a transmission box (4) is fixedly installed on the top of the circular block (3), the transmission box (4) communicating with the circular block (3), characterized in that, Also includes: The impurity removal mechanism (5) includes a conical groove (501) opened in the circular block (3), and a rotating shaft (505). Several filter holes (502) are opened on the inner wall of the conical groove (501), and the bottom ends of the filter holes (502) communicate with the ink storage cavity (2). Two impurity discharge strip grooves (503) are opened on the inner wall of the conical groove (501). Two collection boxes (504) are slidably installed on the circular block (3). 04) The ends that are close to each other extend into the circular block (3) and communicate with the two discharge strip grooves (503). The transmission box (4) is rotatably installed on the top inner wall of the transmission box (4). The transmission box (4) passes through the circular block (3) and extends into the ink storage cavity (2). The rotating shaft (505) is rotatably connected to the transmission box (4), the circular block (3) and the ink storage cavity (2). A centrifugal plate (506) is fixedly sleeved on the rotating shaft (505). The centrifugal plate (506) is in contact with the inner wall of the conical groove (501). An installation plate (508) is fixedly installed inside the ink storage chamber (2). The bottom end of the rotating shaft (505) is rotatably connected to the installation plate (508). Several stirring plates (509) are fixedly installed on the rotating shaft (505). A water pump (510) is fixedly installed on the top of the inkjet cartridge (1). An ink suction tube (511) and an ink outlet tube (512) are fixedly installed on the right side of the water pump (510). The bottom end of the ink suction tube (511) is connected to the inkjet cartridge (1), and the top end of the ink outlet tube (512) is connected to the transmission round box (4).
2. An inkjet mechanism for a printing press according to claim 1, wherein: The top of the inkjet cartridge (1) is provided with an adaptation mechanism (6). The adaptation mechanism (6) includes a rectangular grooved block (601) fixedly installed on the top of the inkjet cartridge (1). The top of the rectangular grooved block (601) is fixedly connected to the ink storage cavity (2). An L-shaped transmission plate (602) is slidably installed on the ink storage cavity (2). The top end of the L-shaped transmission plate (602) extends into the ink storage cavity (2). An adaptation spring (603) is fixedly installed on the back of the ink storage cavity (2). The end of the adaptation spring (603) is fixedly connected to the L-shaped transmission plate (602).
3. The inkjet mechanism of a printing press according to claim 2, characterized in that: Two adaptive springs (604) are fixedly installed at the end of the L-shaped transmission plate (602). A closing plate (605) is slidably installed inside the rectangular grooved block (601). The end of the closing plate (605) extends outside the rectangular grooved block (601). The front ends of the two adaptive springs (604) are fixedly connected to the back of the closing plate (605). An electric telescopic rod (606) is fixedly installed on the back of the ink storage cavity (2). An L-shaped push rod (607) is fixedly installed on the output shaft of the electric telescopic rod (606).
4. An inkjet mechanism for a printer according to claim 3, wherein: The inkjet cartridge (1) has a through groove (6071), and a connecting pipe (608) is fixedly installed at the left end of the rectangular grooved block (601). The end of the connecting pipe (608) is connected to the through groove (6071), and a one-way valve (609) is provided in the through groove (6071).
5. An inkjet mechanism for a printer according to claim 4, wherein: A rinsing mechanism (7) is provided on the left side of the inkjet cartridge (1). The rinsing mechanism (7) includes a circular hollow box (701) fixedly installed on the left side of the inkjet cartridge (1). The right side of the circular hollow box (701) extends into the inkjet cartridge (1). A T-shaped hollow plate (702) is slidably installed inside the circular hollow box (701). The right side of the T-shaped hollow plate (702) extends out of the circular hollow box (701). Several drainage holes (703) are opened on the outer wall of the T-shaped hollow plate (702). A sealing spring (704) is fixedly installed on the inner wall of the left side of the circular hollow box (701). The right end of the sealing spring (704) is fixedly connected to the inner wall of the T-shaped hollow plate (702).
6. An inkjet mechanism for a printer according to claim 5, wherein: The inkjet cartridge (1) is fixedly installed with several partitions (705). The bottom of the inkjet cartridge (1) is provided with several inverted conical nozzles (706). Several high-sensitivity heating resistors (707) are provided on the inner wall of the top of the inkjet cartridge (1). The several high-sensitivity heating resistors (707) are perpendicular to the several inverted conical nozzles (706). The back of the inkjet cartridge (1) is provided with a drainage plate (708).
7. A method of using an inkjet mechanism of a printer, using an inkjet mechanism of a printer as claimed in claim 6, characterized in that, The steps are as follows: S1: Filter ink; S2: Thorough filtration; S3: Close the rectangular slotted block (601); S4: Rinse the inverted conical nozzle (706) and inkjet cartridge (1).