A method, device and storage medium for conveniently locating the printing starting point of a printer

Abstract

The present invention discloses a method, device and storage medium for conveniently locating the printing starting point of a printer; the method comprises placing an object to be printed on a printing platform of the digital printer and starting the digital printer; adjusting a first infrared light source to a first preset state relative to the printing platform; when the digital printer is in a stationary state, adjusting a second infrared light source to a second preset state relative to the printing platform; obtaining a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector; the present invention adjusts the position of the infrared light source so that the reflected infrared light can be received by the detector, and judges the flatness of the platform and the precise coordinates of the printing starting point according to the received signal strength value, without the need for repeated manual adjustment, thereby improving the accuracy of positioning the printing starting point and the convenience of operation.

Description

Technical Field

[0001] The present invention relates to the technical field of printers, and in particular to a method, a device and a storage medium for conveniently locating a printing starting point of a printer. Background Art

[0002] In the digital printing industry, universal printers have a variety of printing consumables and they are frequently replaced. When replacing consumables, the printing starting point needs to be set frequently according to the different consumables and the placement of the consumables each time. Otherwise, the ideal position of the consumables cannot be printed normally. The commonly used general operation method is: manually move the trolley to the ideal starting point position visually, and use the edge of the nozzle as the reference point for alignment, and align the X and Y directions respectively. However, when manually aligning, errors will occur in designing the printing starting point. The printed starting point position differs from the actual distance by a certain distance, and manual correction is required. The position parameters need to be manually saved, and the process is complicated. The operator needs to be familiar with the machine. The success rate of a single correction is low, and the operation threshold is high. Summary of the invention

[0003] The purpose of the present invention is to provide a method, device and storage medium for conveniently locating the printing starting point of a printer, by introducing a combination of an infrared light source and an infrared detector, thereby realizing automatic leveling of a printing platform and precise positioning of the printing starting point.

[0004] The purpose of the present invention can be achieved through the following technical solutions:

[0005] The present application provides a method for conveniently locating a printing starting point of a printer, comprising the following steps:

[0006] Placing the object to be printed on the printing platform of the digital printer and starting the digital printer;

[0007] The first infrared light source is adjusted to a first preset state relative to the printing platform, wherein the first preset state satisfies: the first infrared light emitted by the first infrared light source can be irradiated to the first infrared detector after being reflected by the printing platform;

[0008] When the digital printer is in a stationary state, the second infrared light source is adjusted to a second preset state relative to the printing platform, wherein the second preset state satisfies: the second infrared light emitted by the second infrared light source can be irradiated to the second infrared detector after being reflected by the printing platform;

[0009] Acquire a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector;

[0010] It is determined whether the signal strengths of the first infrared light and the second infrared light received exceed a predetermined threshold value, and the position is adjusted according to the determination result.

[0011] Furthermore, the first infrared light source and the second infrared light source are located in the same plane.

[0012] Furthermore, the first preset state also satisfies: the angle between the light received by the first infrared detector and the printing platform is less than 90 degrees, and when the angle is less than 90 degrees, the light is judged to be reflected light; the second preset state also satisfies: the angle between the light received by the first infrared detector and the printing platform is less than 90 degrees, and when the angle is less than 90 degrees, the light is judged to be reflected light.

[0013] Furthermore, the first infrared light source is fixedly connected to the printing platform and is located at one side edge of the printing platform, and the second infrared light source is fixedly connected to the printing platform and is located at another side edge of the printing platform.

[0014] Furthermore, the method further includes: the first preset state also needs to satisfy that the signal strength value corresponding to the first infrared light is less than a threshold value, and when the signal strength value corresponding to the first infrared light received by the first infrared detector is greater than the threshold value, it is determined that the first preset state does not satisfy the condition, and the position of the first infrared light source is continuously adjusted until the signal strength value corresponding to the first infrared light received by the first infrared detector is less than or equal to the threshold value;

[0015] The second preset state also needs to satisfy that the signal strength value corresponding to the second infrared light is less than a threshold value. When the signal strength value corresponding to the second infrared light received by the second infrared detector is greater than the threshold value, it is determined that the second preset state does not satisfy the condition, and the position of the second infrared light source continues to be adjusted until the signal strength value corresponding to the second infrared light received by the second infrared detector is less than or equal to the threshold value.

[0016] Furthermore, the method also includes: if the signal strength value corresponding to the first infrared light received by the first infrared detector is less than or equal to the threshold, and the signal strength value corresponding to the second infrared light received by the second infrared detector is less than or equal to the threshold, then stop adjusting the positions of the first infrared light source and the second infrared light source.

[0017] Furthermore, the method also includes: sending a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector to a controller; the controller determines whether the flatness of the printing platform meets the requirements based on the signal strength value corresponding to the first infrared light received by the first infrared detector and the signal strength value corresponding to the second infrared light received by the second infrared detector.

[0018] A device for conveniently locating the printing starting point of a printer comprises a processor, a memory and computer program instructions stored in the memory. When the computer program instructions are executed by the processor, the steps of the method for conveniently locating the printing starting point of the printer are implemented.

[0019] A storage medium stores computer program instructions, which, when executed by a processor, implement the steps of the method for conveniently locating the printing starting point of the above-mentioned printer.

[0020] The beneficial effects of the present invention are:

[0021] Infrared light sources are installed at various key locations on the printing platform, and these light sources emit infrared light. When the light encounters the printing platform, it will be reflected, and the intensity of the reflected light will vary depending on the flatness of the platform. The infrared detector is responsible for receiving these reflected lights and judging the flatness of the printing platform based on the intensity of the received light. If the reflected light intensity at a certain position is detected to be weak, it means that there may be unevenness at that position. The system will automatically adjust until the light intensity received by the detector reaches a uniform level across the entire platform, which ensures the flatness of the printing platform, thereby ensuring the uniform deposition of materials during the printing process;

[0022] In addition, in terms of positioning the print starting point, the combination of the infrared light source and the detector can also determine the precise coordinates of the print starting point by accurately measuring the path and intensity of the reflected light, solving the problem that the print starting point usually needs to be adjusted repeatedly manually, which is both time-consuming and error-prone. Through this automated infrared detection method, the printer can quickly and accurately find the best print starting point, reducing the complexity of manual operation and significantly improving positioning accuracy.

[0023] The present invention not only improves the automation level of the printing platform, but also significantly reduces the positioning error of the printing starting point caused by consumable replacement or other external factors, which makes the printing process more stable and efficient, especially in industrial-grade applications requiring high precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] For better understanding and implementation, the technical solution of the present application is described in detail below with reference to the accompanying drawings.

[0025] Figure 1 A flowchart of a method for conveniently locating the printing starting point of a printer provided in Example 1 of the present application;

[0026] Figure 2 A schematic diagram of the layout of a digital printer for a method for conveniently locating the printing starting point of a printer provided in Example 1 of the present application;

[0027] Figure 3 A schematic diagram of the layout of the infrared mounting components of a printer carriage for a method for conveniently locating the printing starting point of a printer provided in Example 1 of the present application. DETAILED DESCRIPTION

[0028] In order to further explain the technical means and effects taken by the present invention to achieve the predetermined invention purpose, exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are only examples of methods and systems consistent with some aspects of the present application as detailed in the attached claims.

[0029] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0030] The specific implementation methods, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0031] Example 1

[0032] See also Figure 1-Figure 3 This embodiment provides a method, device and storage medium for conveniently locating the printing starting point of a printer, introduces a combination of an infrared light source and an infrared detector, and realizes automatic leveling of the printing platform and precise positioning of the printing starting point.

[0033] The present invention provides a method for conveniently locating a printing starting point of a printer, comprising the following steps:

[0034] S1, placing the object to be printed on the printing platform of the digital printer, and starting the digital printer;

[0035] S2, adjusting the first infrared light source to a first preset state relative to the printing platform;

[0036] Wherein, the first preset state satisfies: the first infrared light emitted by the first infrared light source can be irradiated to the first infrared detector after being reflected by the printing platform;

[0037] S3, when the digital printer is in a stationary state, adjusting the second infrared light source relative to the printing platform to a second preset state;

[0038] Wherein, the second preset state satisfies: the second infrared light emitted by the second infrared light source can be irradiated to the second infrared detector after being reflected by the printing platform;

[0039] S4, obtaining a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector;

[0040] S5. Determine whether the signal strengths of the received first infrared light and the received second infrared light exceed a predetermined threshold value, and adjust the position according to the determination result.

[0041] The above steps realize the automatic leveling function of the printing platform, without the need for the user to manually adjust the horizontal position of the printing platform, thus solving the technical problem of the inconvenience caused by the user's need to manually adjust the horizontal position of the printing platform before printing in the prior art digital printer.

[0042] Specifically, Figure 2 As shown, the layout of the digital printer includes a printer carriage, and X-axis and Y-axis infrared receivers are installed on the nozzle hardware of the printer carriage. The receiving direction of the X-axis receiver needs to be parallel to the horizontal line of the printing X direction, and the receiving direction of the Y-axis receiver needs to be parallel to the horizontal line of the printing Y direction. The X-axis infrared receiver is the first infrared detector, and the Y-axis infrared receiver is the second infrared detector, which is used to receive infrared light emitted by the X-axis and Y-axis infrared transmitters and reflected back from the printing platform; X-axis and Y-axis infrared transmitters are installed on the edge of the printing platform of the digital printer, and are installed perpendicular to the edge of the printing platform, wherein the X-axis infrared transmitter emits the first infrared light source, and the Y-axis infrared transmitter emits the second infrared light source. Figure 3As shown, the infrared installation components of the printer carriage include P1 nozzle, P2 nozzle and P3 nozzle. P3 nozzle is the reference head B, and specifically includes Y-axis infrared receiving point, real printing starting point and X-axis infrared receiving point. At the real printing starting point of the nozzle, X and Y-axis infrared receivers are respectively installed at right angles. The transmitter is installed at the left edge and front edge of the printing platform in a manner perpendicular to the carriage platform, and can realize the ray perpendicular to the edge of the platform, the Y-axis ray slides left and right, and the X-axis ray slides forward and backward. In addition, the digital printer uses a combination of servo motor and grating ruler to control movement in the X-axis direction, and is controlled by a stepper motor in the Y-axis direction. The position is calculated by the pulse number self-calculation; the X and Y direction motors are controlled by the main board, and the grating data is read back by the main board in real time.

[0043] During operation, the installation directions of the X-axis and Y-axis infrared receivers are parallel to the horizontal lines of the X-axis and Y-axis of the printing platform, respectively, to ensure that they can correctly receive the reflected infrared light. By adjusting the position of the infrared transmitter, the infrared receiver can receive the reflected light and obtain the corresponding signal strength value, which is then used in the controller to determine whether the flatness of the printing platform meets the printing requirements; the P3 nozzle is used as the reference head B, and the X-axis and Y-axis infrared receivers are installed at the actual printing starting point. They work together with the infrared transmitter (X-axis and Y-axis) installed on the edge of the printing platform to achieve accurate positioning of the printing starting point. The movement control of the X-axis and Y-axis is realized by the servo motor plus grating ruler combination and the stepper motor, respectively, to ensure the precise position control of the printer carriage in the X-axis and Y-axis directions.

[0044] Furthermore, the first infrared light source and the second infrared light source are located in the same plane.

[0045] Furthermore, the first preset state also satisfies: the angle between the light received by the first infrared detector and the printing platform is less than 90 degrees, and when the angle is less than 90 degrees, the light is judged to be reflected light; the second preset state also satisfies: the angle between the light received by the first infrared detector and the printing platform is less than 90 degrees, and when the angle is less than 90 degrees, the light is judged to be reflected light.

[0046] Specifically, after the printing consumables are placed on the platform, the required printing starting point P has been determined.

[0047] (1) The operator moves the X-axis and Y-axis infrared rays separately to achieve the intersection of the two rays at the "printing starting point P";

[0048] (2) When printing starts, the carriage printing platform moves to the "back" in the figure. When the "Y-axis infrared receiving point" of the carriage component captures the infrared rays of the "Y-axis infrared emitting point", this Y point is determined as the Y-axis coordinate of the printing starting point;

[0049] (3) Then, the carriage moves to the left and reaches the printing area. Similarly, when the "X-axis infrared receiving point" captures the infrared rays of the "X-axis infrared emitting point", this X point is determined as the X-axis position mark of the printing starting point, that is, the printer mainboard can automatically determine the precise coordinate position of the printing starting point;

[0050] (4) When replacing or moving consumables, just re-execute (1). When printing starts, the main board automatically executes (2). (3) can accurately and repeatedly determine the "printing starting point P for the required printing".

[0051] Furthermore, the first infrared light source is fixedly connected to the printing platform and is located at an edge of one side of the printing platform, and the second infrared light source is fixedly connected to the printing platform and is located at an edge of another side of the printing platform.

[0052] Specifically, the first infrared light source and the second infrared light source are both arranged close to the edge of the printing platform, which facilitates the light to pass through the printing platform to reach the corresponding infrared sensor, thereby avoiding the situation where the light cannot be detected due to the printing platform blocking the light.

[0053] Furthermore, the method further includes: the first preset state also needs to satisfy that the signal strength value corresponding to the first infrared light is less than a threshold value; if the signal strength value corresponding to the first infrared light received by the first infrared detector is greater than the threshold value, it is determined that the first preset state does not satisfy the condition, and the position of the first infrared light source is continuously adjusted until the signal strength value corresponding to the first infrared light received by the first infrared detector is less than or equal to the threshold value;

[0054] Furthermore, the second preset state also needs to satisfy that the signal strength value corresponding to the second infrared light is less than a threshold value. If the signal strength value corresponding to the second infrared light received by the second infrared detector is greater than the threshold value, it is determined that the second preset state does not meet the condition, and the position of the second infrared light source continues to be adjusted until the signal strength value corresponding to the second infrared light received by the second infrared detector is less than or equal to the threshold value.

[0055] Furthermore, the method also includes: if the signal strength value corresponding to the first infrared light received by the first infrared detector is less than or equal to the threshold, and the signal strength value corresponding to the second infrared light received by the second infrared detector is less than or equal to the threshold, then stop adjusting the positions of the first infrared light source and the second infrared light source.

[0056] Specifically, by setting a threshold, the infrared detector automatically stops adjusting the position of the infrared light source when the detected signal strength is lower than or equal to the threshold, thereby improving the accuracy and efficiency of printing platform leveling and starting point positioning, reducing the risk of over-adjustment, and ensuring the stability and reliability of the printing process.

[0057] Furthermore, the method also includes: sending a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector to a controller; the controller determines whether the flatness of the printing platform meets the requirements based on the signal strength value corresponding to the first infrared light received by the first infrared detector and the signal strength value corresponding to the second infrared light received by the second infrared detector.

[0058] Specifically, by sending the signal strength value received by the infrared detector to the controller, the system can monitor the flatness of the printing platform in real time. The controller automatically determines whether the platform has reached the required flatness based on this data, thereby accurately adjusting the platform status. This process not only improves the accuracy of leveling, but also makes the entire operation more intelligent and automated, ensuring the platform stability during the printing process and the final print quality.

[0059] Furthermore, the controller is specifically used to: if the signal strength value corresponding to the first infrared light received by the first infrared detector and the signal strength value corresponding to the second infrared light received by the second infrared detector are both less than or equal to the threshold, then determine that the flatness of the printing platform does not meet the requirements; if the signal strength value corresponding to the first infrared light received by the first infrared detector and the signal strength value corresponding to the second infrared light received by the second infrared detector are both greater than the threshold, then determine that the flatness of the printing platform meets the requirements.

[0060] Specifically, the process of the X-axis and Y-axis infrared receivers in the printer working in conjunction with the electronic control motherboard includes:

[0061] 1. The X-axis and Y-axis receivers are connected to the electronic control mainboard. When the print start command is issued to execute step 1, when the Y direction forms a cross-reflection, an effective level is generated for the mainboard. The mainboard subtracts the current Y motor step number from the Y-axis origin Y0 and converts it into the Y-axis absolute coordinate position Y1, and memorizes the current printing Y coordinate Y1;

[0062] 2. Then, while keeping the Y axis still, execute step 3. The mainboard controls the X-axis motor to move. Similarly, when the X-axis direction forms a direct reflection, the sensor generates a valid level, triggering the mainboard to calculate the current X-axis grating position, and subtract it from the X-axis origin line X0 to obtain the X-direction coordinate X1, which the mainboard memorizes.

[0063] 3. Execute steps 1 and 2 to obtain the coordinates of the printing starting point for this printing.

[0064] Furthermore, the digital printer includes: a frame, a printing platform, a first infrared light source, a second infrared light source, a first infrared detector, a second infrared detector and a controller; the first infrared light source and the second infrared light source are arranged relative to each other; the first infrared detector is used to detect the first infrared light emitted by the first infrared light source, and the second infrared detector is used to detect the second infrared light emitted by the second infrared light source; the controller is used to obtain the signal strength value corresponding to the first infrared light received by the first infrared detector and the signal strength value corresponding to the second infrared light received by the second infrared detector.

[0065] A device for conveniently locating the printing starting point of a printer comprises a processor, a memory and computer program instructions stored in the memory. When the computer program instructions are executed by the processor, the steps of the method for conveniently locating the printing starting point of the printer are implemented.

[0066] A storage medium stores computer program instructions, which, when executed by a processor, implement the steps of the method for conveniently locating the printing starting point of the above-mentioned printer.

[0067] The present invention places the object to be printed on the printing platform of the digital printer and starts the printer. After starting, the infrared light source is first adjusted to be in a preset state, which includes two infrared light sources: a first infrared light source and a second infrared light source, which are respectively set at the edge positions of both sides of the printing platform and work in pairs with corresponding infrared detectors. The infrared light emitted by the infrared light source is reflected by the printing platform and received by the infrared detector. The flatness of the platform can be judged by the light intensity signal received by the detector;

[0068] Specifically, when the first infrared light source is in the first preset state, the infrared light it emits should be able to irradiate the first infrared detector after being reflected by the printing platform. Similarly, after the second infrared light source is adjusted to the second preset state, the infrared light it emits must also meet the same reflection and reception conditions. In this way, the infrared detector determines whether the platform is flat by receiving the light intensity signal. If the detected light intensity is higher than the set threshold, the system will automatically adjust the position of the infrared light source until the light intensity meets the requirements, thereby ensuring the leveling accuracy of the printing platform.

[0069] When the printing platform is leveled, the next step is to locate the printing starting point. This process relies on the infrared receiver on the printer carriage and the infrared transmitter on the edge of the printing platform. First, the operator moves the infrared rays of the X-axis and Y-axis to the starting point of the required printing, so that the two rays intersect at the starting point. Then, the printing carriage moves on the platform. When the infrared receiver in the Y-axis direction captures the rays of the Y-axis infrared transmitter, it records the point as the printing starting point of the Y-axis. Similarly, when the carriage moves to the X-axis position and captures the infrared rays of the X-axis, the printing starting point of the X-axis is recorded. Through these two steps, the printer's mainboard can accurately determine the coordinate position of the printing starting point.

[0070] The entire process is monitored and adjusted in real time by the digital printer's controller. The controller determines whether the platform is flat by obtaining the signal strength value received by the infrared detector, and adjusts the position of the infrared light source accordingly. When the signal strength value meets the requirement, the controller will stop adjusting to ensure that the platform has met the flatness requirements for printing. Once the coordinates of the printing starting point are determined, the controller will memorize these coordinate values ​​and automatically re-execute the starting point positioning after replacing or moving the consumables to ensure the accuracy and repeatability of printing.

[0071] This convenient method of positioning the printing starting point greatly simplifies the operation process of the digital printer, avoids the complexity of manual adjustment, realizes automatic leveling and precise positioning of the printing starting point, and eliminates the need for users to manually adjust the position of the printing platform, greatly improving the convenience of operation and printing accuracy.

[0072] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A method for conveniently locating the printing starting point of a printer, characterized in that: The method comprises the following steps: placing an object to be printed on a printing platform of a digital printer and starting the digital printer; The first infrared light source is adjusted to a first preset state relative to the printing platform, wherein the first preset state satisfies: the first infrared light emitted by the first infrared light source can be irradiated to the first infrared detector after being reflected by the printing platform; When the digital printer is in a stationary state, the second infrared light source is adjusted to a second preset state relative to the printing platform, wherein the second preset state satisfies: the second infrared light emitted by the second infrared light source can be irradiated to the second infrared detector after being reflected by the printing platform; Acquire a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector; Determine whether the signal strengths of the two signals exceed a predetermined threshold value based on the received signal strength value corresponding to the first infrared light and the received signal strength value corresponding to the second infrared light, and adjust the position based on the determination result; The layout of the digital printer includes a printer carriage, and X-axis and Y-axis infrared receivers are installed on the nozzle hardware of the printer carriage. The receiving direction of the X-axis receiver needs to be parallel to the horizontal line of the printing X direction, and the receiving direction of the Y-axis receiver needs to be parallel to the horizontal line of the printing Y direction. The X-axis infrared receiver is the first infrared detector, and the Y-axis infrared receiver is the second infrared detector, which is used to receive infrared light emitted by the X-axis and Y-axis infrared transmitters and reflected back from the printing platform; X-axis and Y-axis infrared transmitters are installed on the edge of the printing platform of the digital printer, and are installed perpendicular to the edge of the printing platform, wherein the X-axis infrared transmitter emits the first infrared light source, and the Y-axis infrared transmitter emits the second infrared light source; The process of the X-axis and Y-axis infrared receivers working with the electronic control motherboard in the printer includes: S1, X-axis and Y-axis receivers are connected to the electronic control mainboard. When the Y direction forms a direct reflection, an effective level is generated for the mainboard. The mainboard subtracts the current Y motor step number from the Y-axis origin Y0 and converts it into the Y-axis absolute coordinate position Y1, and memorizes the current printing Y coordinate Y1; S2, while keeping the Y axis still, the mainboard controls the X-axis motor to move. When the X-axis direction forms a direct reflection, the sensor generates a valid level, triggering the mainboard to calculate the current X-axis grating position, and subtract it from the X-axis origin line X0 to obtain the X-direction coordinate X1, which the mainboard memorizes; S3, obtain the coordinates of the printing starting point of this printing.

2. A method for conveniently locating the printing starting point of a printer according to claim 1, characterized in that: The first infrared light source and the second infrared light source are located in the same plane.

3. The method for conveniently locating the printing starting point of a printer according to claim 1, characterized in that: The first preset state also satisfies: the angle between the light received by the first infrared detector and the printing platform is less than 90 degrees, and when the angle is less than 90 degrees, the light is judged to be reflected light; the second preset state also satisfies: the angle between the light received by the first infrared detector and the printing platform is less than 90 degrees, and when the angle is less than 90 degrees, the light is judged to be reflected light.

4. A method for conveniently locating the printing starting point of a printer according to claim 2, characterized in that: The first infrared light source is fixedly connected to the printing platform and is located at one side edge of the printing platform, and the second infrared light source is fixedly connected to the printing platform and is located at the other side edge of the printing platform.

5. The method for conveniently locating the printing starting point of a printer according to claim 1, characterized in that: The method also includes: the first preset state also needs to satisfy that the signal strength value corresponding to the first infrared light is less than a threshold value. When the signal strength value corresponding to the first infrared light received by the first infrared detector is greater than the threshold value, it is determined that the first preset state does not satisfy the condition, and the position of the first infrared light source continues to be adjusted until the signal strength value corresponding to the first infrared light received by the first infrared detector is less than or equal to the threshold value.

6. A method for conveniently locating the printing starting point of a printer according to claim 1, characterized in that: The second preset state also needs to satisfy that the signal strength value corresponding to the second infrared light is less than a threshold value. When the signal strength value corresponding to the second infrared light received by the second infrared detector is greater than the threshold value, it is determined that the second preset state does not satisfy the condition, and the position of the second infrared light source continues to be adjusted until the signal strength value corresponding to the second infrared light received by the second infrared detector is less than or equal to the threshold value.

7. A method for conveniently locating the printing starting point of a printer according to claim 1, characterized in that: The method also includes: if the signal strength value corresponding to the first infrared light received by the first infrared detector is less than or equal to the threshold, and the signal strength value corresponding to the second infrared light received by the second infrared detector is less than or equal to the threshold, then stop adjusting the positions of the first infrared light source and the second infrared light source.

8. The device for conveniently locating the printing starting point of a printer according to claim 1, characterized in that: The method also includes: sending a signal strength value corresponding to the first infrared light received by the first infrared detector and a signal strength value corresponding to the second infrared light received by the second infrared detector to a controller; the controller determines whether the flatness of the printing platform meets the requirements based on the signal strength value corresponding to the first infrared light received by the first infrared detector and the signal strength value corresponding to the second infrared light received by the second infrared detector.

9. A device for conveniently locating the printing starting point of a printer, characterized in that: The method comprises a processor, a memory and computer program instructions stored in the memory, and when the computer program instructions are executed by the processor, the method according to any one of claims 1 to 8 is implemented.

10. A storage medium having computer program instructions stored thereon, characterized in that: When the computer program instructions are executed by a processor, the method described in any one of claims 1 to 8 is implemented.

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