A printing system

Abstract

The present invention relates to the field of printing technology, and is used to solve the problem that existing printer management systems are unable to monitor faults of printing devices and are unable to detect the printing quality of documents, thereby affecting user printing efficiency and resulting in a poor user experience; the printing system comprises a fault monitoring module, a fault analysis module, an analysis and judgment module, an abnormality alarm module, a quality detection module and a quality analysis module; the printing system collects and analyzes operating data of printing devices in real time, thereby achieving real-time monitoring of device status and fault warning, improving the accuracy and efficiency of fault prevention, and improving printing quality and device service life; the printing system can also perform quality detection on printed documents, achieve automatic analysis and optimization of print quality, timely detect print quality errors, facilitate reprinting, facilitate user management and decision-making, improve printing efficiency, and enhance user experience.

Description

Technical Field

[0001] The present invention relates to the field of printing technology, and in particular to a printing system. Background Art

[0002] With the popularization of office automation, printing equipment has become an indispensable tool in daily work. However, existing printing systems have problems such as low efficiency, high energy consumption, and limited functions, which cannot meet the growing and diverse printing needs.

[0003] The patent application number CN201711111408.6 discloses a printer management method and a printer management system. The management method includes: receiving a print request sent by a mobile terminal, the print request including data to be printed; obtaining the current location of the mobile terminal; searching for alternative printers whose geographical locations are within a predetermined range centered on the location according to the pre-saved geographical locations of each printer, and sending the geographical locations of the alternative printers to the mobile terminal for the user to select a target printer from the alternative printers; after the user selects the target printer, the data to be printed is sent to the target printer, and the target printer is controlled to print the data to be printed. This invention can prompt the user of the location of the printer and print remotely, but it still has the following shortcomings: it is impossible to monitor the fault of the printing device, resulting in the occurrence of faults during the operation of the printing device, which not only affects the print quality, but may also cause damage to the equipment and increase maintenance costs. In addition, it is impossible to detect the print quality of the document, resulting in the user being unable to detect printing errors in time, affecting the user's printing efficiency and the user experience being poor. Summary of the Invention

[0004] In order to overcome the above technical problems, the purpose of the present invention is to provide a printing system that solves the problem that the existing printer management system is unable to monitor faults of printing devices and cannot detect the printing quality of documents, affecting user printing efficiency and poor user experience.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A printing system comprising:

[0007] A fault monitoring module is used to obtain fault analysis information of the printer and send the fault analysis information to the fault analysis module; wherein the fault analysis information includes temperature information WD, sub-width information CF, pressure flow information YL and speed information SL;

[0008] A fault analysis module is used to obtain a fault analysis coefficient GZ according to the fault analysis information and send the fault analysis coefficient GZ to the analysis and judgment module;

[0009] The specific process of the fault analysis module obtaining the fault analysis coefficient GZ is as follows:

[0010] The temperature information WD, sub-width information CF, pressure flow information YL and rate information SL are quantified, the values ​​of the temperature information WD, sub-width information CF, pressure flow information YL and rate information SL are extracted, and substituted into the formula for calculation. According to the formula Obtain the fault analysis coefficient GZ, where μ is the preset error adjustment factor, μ=0.926, e and π are mathematical constants, g1, g2, g3, and g4 are the preset weight factors corresponding to the set temperature information WD, sub-amplitude information CF, pressure-flow information YL, and rate information SL, respectively. g1, g2, g3, and g4 satisfy g2>g3>g1>g4>1.828, and g1=2.65, g2=3.81, g3=3.17, and g4=2.03;

[0011] Send the fault analysis coefficient GZ to the analysis and judgment module;

[0012] An analysis and judgment module is used to generate a fault alarm instruction or a quality inspection instruction according to the fault analysis coefficient GZ, and send the fault alarm instruction to the abnormal alarm module and send the quality inspection instruction to the quality inspection module;

[0013] The abnormality alarm module is used to sound a fault abnormality alarm after receiving a fault alarm instruction.

[0014] As a further solution of the present invention: the specific process of the fault monitoring module obtaining fault analysis information is as follows:

[0015] Obtain the temperature before the printer is started and the current temperature, obtain the difference between the two, and mark it as temperature information WD;

[0016] Obtain the total number of vibrations and the average vibration amplitude within the preset time after the printer is started, and mark them as the number of vibrations ZC and the average amplitude JF respectively. Quantify the number of vibrations ZC and the average amplitude JF, extract the values ​​of the number of vibrations ZC and the average amplitude JF, and substitute them into the formula for calculation. According to the formula Obtain the secondary amplitude information CF, where c1 and c2 are the preset proportional coefficients corresponding to the set vibration number ZC and the average amplitude JF, respectively. c1 and c2 satisfy c1+c2=1, 0<c2<c1<1, and c1=0.62 and c2=0.38;

[0017] Get the maximum voltage value and the minimum voltage value within the preset time after the printer is started, get the difference between the two, and mark it as the voltage value DY; get the maximum current value and the minimum current value within the preset time after the printer is started, get the difference between the two, and mark it as the current value DL; quantize the voltage value DY and the current value DL, extract the values ​​of the voltage value DY and the current value DL, and substitute them into the formula for calculation. Obtain the voltage-current information YL, where d1 and d2 are the preset proportional coefficients corresponding to the set voltage value DY and current value DL, respectively. d1 and d2 satisfy d1+d2=1, 0<d1<d2<1, and d1=0.46 and d2=0.54;

[0018] Obtain an average speed of the printing paper within a preset time after the printer is started and a preset average speed, obtain the difference between the two, and mark it as speed information SL;

[0019] The temperature information WD, the secondary amplitude information CF, the pressure flow information YL and the speed information SL are sent to the fault analysis module.

[0020] As a further solution of the present invention: the specific process of the analysis and judgment module generating the fault alarm instruction is as follows:

[0021] Compare the fault analysis coefficient GZ with the preset fault analysis threshold GZy. The comparison results are as follows:

[0022] If the fault analysis coefficient GZ≥fault analysis threshold GZy, a fault alarm instruction is generated and sent to the abnormal alarm module.

[0023] As a further solution of the present invention: the specific process of the analysis and judgment module generating the quality inspection instruction is as follows:

[0024] Compare the fault analysis coefficient GZ with the preset fault analysis threshold GZy. The comparison results are as follows:

[0025] If the fault analysis coefficient GZ is less than the fault analysis threshold GZy, a quality detection instruction is generated and sent to the quality detection module.

[0026] As a further solution of the present invention: the printing system further includes:

[0027] The quality inspection module is used to obtain the quality inspection information of the printing paper after receiving the quality inspection instruction, and send the quality inspection information to the quality analysis module; wherein the quality inspection information includes non-heavy information FC and ink mark information HM.

[0028] As a further solution of the present invention: the specific process of the quality detection module obtaining quality detection information is as follows:

[0029] After receiving the quality inspection instruction, the outline of the text on the printing paper and the outline of the text on the printed text are obtained, the two are overlapped, the area of ​​the non-overlapping area is obtained, and it is marked as non-overlapping information FC;

[0030] Obtain the number of indentations on the printing paper and the number of ink dots in the non-text area, and mark them as indentation value YH and ink dot value MD respectively. Quantify the indentation value YH and ink dot value MD, extract the values ​​of the indentation value YH and ink dot value MD, and substitute them into the formula for calculation. Obtain the ink mark information HM, where h1 and h2 are the preset proportional coefficients corresponding to the set indentation value YH and ink dot value MD, respectively. h1 and h2 satisfy h1+h2=1, 0

[0031] The non-repeated information FC and the ink trace information HM are sent to the quality analysis module.

[0032] As a further solution of the present invention: the printing system further includes:

[0033] The quality analysis module is used to obtain the quality detection coefficient ZL according to the quality detection information and send the quality detection coefficient ZL to the analysis and judgment module.

[0034] As a further solution of the present invention: the specific process of the mass analysis module obtaining the mass detection coefficient ZL is as follows:

[0035] The non-repeated information FC and the ink trace information HM are quantified, the values ​​of the non-repeated information FC and the ink trace information HM are extracted, and substituted into the formula for calculation. According to the formula The quality detection coefficient ZL is obtained, where γ is the preset error adjustment factor, which is set to 1.088. π and e are both mathematical constants. z1 and z2 are the preset weight factors corresponding to the set non-weighted information FC and ink mark information HM, respectively. z1 and z2 satisfy z2>z1>1.122, and z1=1.51 and z2=2.08.

[0036] The quality detection coefficient ZL is sent to the analysis and judgment module.

[0037] As a further solution of the present invention: the analysis and judgment module is further configured to generate a quality alarm instruction according to the quality detection coefficient ZL, and send the quality alarm instruction to the abnormality alarm module.

[0038] As a further solution of the present invention, the specific process of the analysis and judgment module generating the quality alarm instruction is as follows: ​

[0039] The quality detection coefficient ZL is compared with the preset quality detection threshold ZLy. The comparison results are as follows:

[0040] If the quality detection coefficient ZL is less than the quality detection threshold ZLy, a quality alarm instruction is generated and sent to the abnormal alarm module.

[0041] As a further solution of the present invention: the abnormality alarm module is further configured to sound a quality abnormality alarm after receiving a quality alarm instruction.

[0042] Beneficial effects of the present invention:

[0043] A printing system of the present invention first monitors the operating status of the printer and obtains fault analysis information. A fault analysis coefficient obtained based on the fault analysis information can comprehensively measure the fault degree of the operating status of the printer, and a larger fault analysis coefficient indicates a higher fault degree. When the fault degree is high, an abnormality alarm is issued. When the fault degree is low, the printing quality is tested to obtain quality inspection information. A quality inspection coefficient obtained based on the quality inspection information can comprehensively measure the quality of the printing quality. A larger quality inspection coefficient indicates a higher quality. When the quality degree is low, an abnormality alarm is issued.

[0044] A printing system of the present invention realizes real-time monitoring of the equipment status and fault warning by collecting and analyzing the operating data of the printing equipment in real time, thereby improving the accuracy and efficiency of fault prevention, improving the printing quality and the service life of the equipment, and can also perform quality inspection on the printed documents, realize automatic analysis and optimization of the printing quality, timely discover print quality errors, facilitate reprinting, facilitate user management and decision-making, improve printing efficiency, and enhance the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The present invention will be further described below with reference to the accompanying drawings.

[0046] Figure 1 This is a principle block diagram of a printing system in the present invention;

[0047] Figure 2 It is a flow chart of a working method of a printing system in the present invention. DETAILED DESCRIPTION

[0048] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention. Example

[0049] See also Figure 1 As shown, this embodiment is a printing system, comprising the following modules: a fault monitoring module, a fault analysis module, an analysis and judgment module, an abnormality alarm module, a quality detection module, and a quality analysis module;

[0050] The fault monitoring module is used to obtain fault analysis information of the printer and send the fault analysis information to the fault analysis module; wherein the fault analysis information includes temperature information WD, sub-width information CF, pressure flow information YL and speed information SL;

[0051] The fault analysis module is used to obtain a fault analysis coefficient GZ according to the fault analysis information, and send the fault analysis coefficient GZ to the analysis and judgment module;

[0052] The analysis and judgment module is used to generate a fault alarm instruction or a quality detection instruction according to the fault analysis coefficient GZ, and send the fault alarm instruction to the abnormal alarm module, and send the quality detection instruction to the quality detection module; it is also used to generate a quality alarm instruction according to the quality detection coefficient ZL, and send the quality alarm instruction to the abnormal alarm module;

[0053] The abnormal alarm module is used to sound a fault abnormal alarm after receiving a fault alarm instruction; and is also used to sound a quality abnormal alarm after receiving a quality alarm instruction;

[0054] The quality inspection module is used to obtain the quality inspection information of the printing paper after receiving the quality inspection instruction, and send the quality inspection information to the quality analysis module; wherein the quality inspection information includes non-heavy information FC and ink mark information HM;

[0055] The quality analysis module is used to obtain a quality detection coefficient ZL according to the quality detection information, and send the quality detection coefficient ZL to the analysis and judgment module. Example

[0056] See also Figure 2 As shown, this embodiment is a working method of a printing system, comprising the following steps:

[0057] Step 1: The fault monitoring module obtains the fault analysis information of the printer, wherein the fault analysis information includes temperature information WD, sub-width information CF, pressure flow information YL and speed information SL, and sends the fault analysis information to the fault analysis module;

[0058] Step 2: The fault analysis module obtains the fault analysis coefficient GZ according to the fault analysis information, and sends the fault analysis coefficient GZ to the analysis and judgment module;

[0059] Step 3: The analysis and judgment module generates a fault alarm instruction or a quality inspection instruction according to the fault analysis coefficient GZ, and sends the fault alarm instruction to the abnormal alarm module and sends the quality inspection instruction to the quality inspection module;

[0060] Step 4: After receiving the fault alarm instruction, the abnormal alarm module sounds the fault abnormal alarm;

[0061] Step 5: After receiving the quality inspection instruction, the quality inspection module obtains the quality inspection information of the printing paper, wherein the quality inspection information includes the non-heavy information FC and the ink mark information HM, and sends the quality inspection information to the quality analysis module;

[0062] Step 6: The quality analysis module obtains the quality detection coefficient ZL according to the quality detection information, and sends the quality detection coefficient ZL to the analysis and judgment module;

[0063] Step 7: The analysis and judgment module generates a quality alarm instruction based on the quality detection coefficient ZL and sends the quality alarm instruction to the abnormal alarm module;

[0064] Step 8: The abnormality alarm module sounds a quality abnormality alarm after receiving the quality alarm instruction. Example

[0065] Based on any of the above embodiments, embodiment 3 of the present invention is a fault monitoring module. The function of the fault monitoring module is to obtain fault analysis information of the printer, wherein the fault analysis information includes temperature information WD, sub-width information CF, pressure and flow information YL, and speed information SL. The specific process is as follows:

[0066] The fault monitoring module obtains the temperature before the printer is started and the current temperature, obtains the difference between the two, and marks it as temperature information WD;

[0067] The fault monitoring module obtains the total number of vibrations and the average vibration amplitude within the preset time after the printer is started, and marks them as the number of vibrations ZC and the average amplitude JF respectively. The number of vibrations ZC and the average amplitude JF are quantified, and the values ​​of the number of vibrations ZC and the average amplitude JF are extracted and substituted into the formula for calculation. According to the formula Obtain the secondary amplitude information CF, where c1 and c2 are the preset proportional coefficients corresponding to the set vibration number ZC and the average amplitude JF, respectively. c1 and c2 satisfy c1+c2=1, 0<c2<c1<1, and c1=0.62 and c2=0.38;

[0068] The fault monitoring module obtains the maximum voltage value and the minimum voltage value within the preset time after the printer is started, obtains the difference between the two, and marks it as the voltage value DY, obtains the maximum current value and the minimum current value within the preset time after the printer is started, obtains the difference between the two, and marks it as the current value DL, quantizes the voltage value DY and the current value DL, extracts the numerical value of the voltage value DY and the current value DL, and substitutes them into the formula for calculation. According to the formula Obtain the voltage-current information YL, where d1 and d2 are the preset proportional coefficients corresponding to the set voltage value DY and current value DL, respectively. d1 and d2 satisfy d1+d2=1, 0<d1<d2<1, and d1=0.46 and d2=0.54;

[0069] The fault monitoring module obtains the average speed of the printing paper within a preset time after the printer is started and the preset average speed, obtains the difference between the two, and marks it as speed information SL;

[0070] The fault monitoring module sends the temperature information WD, the secondary amplitude information CF, the pressure flow information YL and the speed information SL to the fault analysis module. Example

[0071] Based on any of the above embodiments, embodiment 4 of the present invention is a fault analysis module. The function of the fault analysis module is to obtain a fault analysis coefficient GZ. The specific process is as follows:

[0072] The fault analysis module quantifies the temperature information WD, the sub-amplitude information CF, the pressure flow information YL and the speed information SL, extracts the values ​​of the temperature information WD, the sub-amplitude information CF, the pressure flow information YL and the speed information SL, and substitutes them into the formula for calculation. Obtain the fault analysis coefficient GZ, where μ is the preset error adjustment factor, μ=0.926, e and π are mathematical constants, g1, g2, g3, and g4 are the preset weight factors corresponding to the set temperature information WD, sub-amplitude information CF, pressure-flow information YL, and rate information SL, respectively. g1, g2, g3, and g4 satisfy g2>g3>g1>g4>1.828, and g1=2.65, g2=3.81, g3=3.17, and g4=2.03;

[0073] The fault analysis module sends the fault analysis coefficient GZ to the analysis and judgment module. Example

[0074] Based on any of the above embodiments, embodiment 5 of the present invention is an analysis and judgment module, which has two functions:

[0075] One of the functions is to generate fault alarm instructions or quality inspection instructions. The specific process is as follows:

[0076] The analysis and judgment module compares the fault analysis coefficient GZ with the preset fault analysis threshold GZy. The comparison results are as follows:

[0077] If the fault analysis coefficient GZ ≥ the fault analysis threshold GZy, a fault alarm instruction is generated and sent to the abnormal alarm module;

[0078] If the fault analysis coefficient GZ is less than the fault analysis threshold GZy, a quality detection instruction is generated and sent to the quality detection module;

[0079] The second function is to generate quality alert instructions. The specific process is as follows:

[0080] The analysis and judgment module compares the quality detection coefficient ZL with the preset quality detection threshold ZLy. The comparison results are as follows:

[0081] If the quality detection coefficient ZL is less than the quality detection threshold ZLy, a quality alarm instruction is generated and sent to the abnormal alarm module. Example

[0082] Based on any of the above embodiments, embodiment 6 of the present invention is an abnormality alarm module, which has two functions:

[0083] One function is to sound a fault alarm after receiving a fault alarm command;

[0084] The second function is to sound a quality abnormality alarm after receiving a quality alarm instruction. Example

[0085] Based on any of the above embodiments, embodiment 7 of the present invention is a quality detection module. The function of the quality detection module is to obtain quality detection information, wherein the quality detection information includes non-repeated information FC and ink mark information HM. The specific process is as follows:

[0086] After receiving the quality inspection instruction, the quality inspection module obtains the outline of the text on the printing paper and the outline of the text on the printed text, overlaps the two, obtains the area of ​​the non-overlapping area, and marks it as non-overlapping information FC;

[0087] The quality inspection module obtains the number of indentations on the printing paper and the number of ink dots in the non-text area, and marks them as indentation value YH and ink dot value MD respectively, quantifies the indentation value YH and ink dot value MD, extracts the numerical values ​​of the indentation value YH and ink dot value MD, and substitutes them into the formula for calculation. Obtain the ink mark information HM, where h1 and h2 are the preset proportional coefficients corresponding to the set indentation value YH and ink dot value MD, respectively. h1 and h2 satisfy h1+h2=1, 0

[0088] The quality detection module sends the non-repeated information FC and the ink trace information HM to the quality analysis module. Example

[0089] Based on any of the above embodiments, embodiment 8 of the present invention is a quality analysis module. The function of the quality analysis module is to obtain the quality detection coefficient ZL. The specific process is as follows:

[0090] The quality analysis module quantifies the non-repeated information FC and the ink trace information HM, extracts the values ​​of the non-repeated information FC and the ink trace information HM, and substitutes them into the formula for calculation. The quality detection coefficient ZL is obtained, where γ is the preset error adjustment factor, which is set to 1.088. π and e are both mathematical constants. z1 and z2 are the preset weight factors corresponding to the set non-weighted information FC and ink mark information HM, respectively. z1 and z2 satisfy z2>z1>1.122, and z1=1.51 and z2=2.08.

[0091] The quality analysis module sends the quality detection coefficient ZL to the analysis and judgment module.

[0092] Based on the above embodiments 1-8, the working principle of the present invention is as follows:

[0093] ​A printing system of the present invention obtains fault analysis information of the printer through a fault monitoring module, wherein the fault analysis information includes temperature information, sub-width information, pressure flow information and rate information, obtains a fault analysis coefficient according to the fault analysis information through the fault analysis module, generates a fault alarm instruction or a quality detection instruction according to the fault analysis coefficient through the analysis and judgment module, sounds a fault abnormality alarm after receiving the fault alarm instruction through the abnormal alarm module, obtains quality detection information of the printing paper after receiving the quality detection instruction through the quality detection module, wherein the quality detection information includes non-heavy information and ink trace information, obtains a quality detection coefficient according to the quality detection information through the quality analysis module, generates a quality alarm instruction according to the quality detection coefficient through the analysis and judgment module, and sounds a quality abnormality alarm after receiving the quality alarm instruction through the abnormal alarm module; the printing system first monitors the operating status of the printer, obtains fault analysis information, and generates a quality alarm instruction according to the quality detection coefficient through the analysis and judgment module. The fault analysis coefficient obtained from the fault analysis information can comprehensively measure the fault degree of the printer's operating status, and the larger the fault analysis coefficient, the higher the fault degree. When the fault degree is high, an abnormal alarm is issued. When the fault degree is low, the printing quality is tested to obtain quality detection information. The quality detection coefficient obtained based on the quality detection information can comprehensively measure the quality of the printing quality. The larger the quality detection coefficient, the higher the quality. When the quality is low, an abnormal alarm is issued. The printing system collects and analyzes the operating data of the printing equipment in real time to achieve real-time monitoring of the equipment status and fault warning, improve the accuracy and efficiency of fault prevention, improve printing quality and equipment service life, and can also perform quality detection on printed documents, realize automatic analysis and optimization of printing quality, timely detect printing quality errors, facilitate reprinting, facilitate user management and decision-making, improve printing efficiency, and enhance user experience.

[0094] It should be further explained that the above formulas are obtained by collecting a large amount of data and performing software simulation, and a formula close to the actual value is selected. The coefficients in the formula are set by technical personnel in this field according to actual conditions.

[0095] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these 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 any one or more embodiments or examples.

[0096] The above contents are merely examples and explanations of the present invention. Those skilled in the art may make various modifications or additions to the described specific embodiments or replace them in similar ways. As long as they do not deviate from the invention or exceed the scope defined by the claims, they should all fall within the scope of protection of the present invention.

Claims

1. A printing system, characterized in that: include: A fault monitoring module is used to obtain fault analysis information of the printer and send the fault analysis information to the fault analysis module; wherein the fault analysis information includes temperature information WD, sub-width information CF, pressure flow information YL and speed information SL; The specific process of the fault monitoring module obtaining fault analysis information is as follows: Obtain the temperature before the printer is started and the current temperature, obtain the difference between the two, and mark it as temperature information WD; Obtain the total number of vibrations and the average vibration amplitude within the preset time after the printer is started, and mark them as the number of vibrations ZC and the average amplitude JF respectively. The number of vibrations ZC and the average amplitude JF are quantified according to the formula Obtain the secondary amplitude information CF, where c1 and c2 are the preset proportional coefficients corresponding to the set vibration number ZC and the average amplitude JF respectively; Get the maximum voltage value and the minimum voltage value within the preset time after the printer is started, get the difference between the two, and mark it as the voltage value DY; get the maximum current value and the minimum current value within the preset time after the printer is started, get the difference between the two, and mark it as the current value DL; quantize the voltage value DY and the current value DL according to the formula Obtain voltage-current information YL, where d1 and d2 are preset proportional coefficients corresponding to the set voltage value DY and current value DL respectively; Obtain an average speed of the printing paper within a preset time after the printer is started and a preset average speed, obtain the difference between the two, and mark it as speed information SL; Send the temperature information WD, sub-amplitude information CF, pressure flow information YL and speed information SL to the fault analysis module; A fault analysis module is used to obtain a fault analysis coefficient GZ according to the fault analysis information and send the fault analysis coefficient GZ to the analysis and judgment module; The specific process of the fault analysis module obtaining the fault analysis coefficient GZ is as follows: The temperature information WD, sub-amplitude information CF, pressure flow information YL and speed information SL are quantified according to the formula Obtain the fault analysis coefficient GZ, where μ is the preset error adjustment factor, e and π are mathematical constants, and g1, g2, g3, and g4 are the preset weighting factors corresponding to the set temperature information WD, sub-amplitude information CF, pressure-flow information YL, and rate information SL, respectively; Send the fault analysis coefficient GZ to the analysis and judgment module; An analysis and judgment module is used to generate a fault alarm instruction according to the fault analysis coefficient GZ and send the fault alarm instruction to the abnormal alarm module; The abnormality alarm module is used to sound a fault abnormality alarm after receiving a fault alarm instruction.

2. A printing system according to claim 1, characterized in that: The specific process of the analysis and judgment module generating a fault alarm instruction is as follows: Compare the fault analysis coefficient GZ with the preset fault analysis threshold GZy. The comparison results are as follows: If the fault analysis coefficient GZ≥fault analysis threshold GZy, a fault alarm instruction is generated and sent to the abnormal alarm module.

3. A printing system according to claim 1, characterized in that: The specific process of the analysis and judgment module generating quality inspection instructions is as follows: Compare the fault analysis coefficient GZ with the preset fault analysis threshold GZy. The comparison results are as follows: If the fault analysis coefficient GZ is less than the fault analysis threshold GZy, a quality detection instruction is generated and sent to the quality detection module.

4. A printing system according to claim 1, characterized in that: Also includes: The quality inspection module is used to obtain the quality inspection information of the printing paper after receiving the quality inspection instruction, and send the quality inspection information to the quality analysis module; wherein the quality inspection information includes non-heavy information FC and ink mark information HM.

5. A printing system according to claim 4, characterized in that: The specific process of the quality detection module obtaining quality detection information is as follows: Obtain the outline of the text on the printed paper and the outline of the text on the printed text, overlap the two, obtain the area of ​​the non-overlapping area, and mark it as non-overlapping information FC; Obtain the number of indentations and ink dots in the non-text area on the printing paper, and mark them as indentation value YH and ink dot value MD respectively. Quantify the indentation value YH and ink dot value MD according to the formula Obtain ink mark information HM, where h1 and h2 are preset proportional coefficients corresponding to the set indentation value YH and ink dot value MD respectively; The non-repeated information FC and the ink trace information HM are sent to the quality analysis module.

6. A printing system according to claim 1, characterized in that: Also includes: The quality analysis module is used to obtain the quality detection coefficient ZL according to the quality detection information and send the quality detection coefficient ZL to the analysis and judgment module.

7. A printing system according to claim 6, characterized in that: The specific process of the quality analysis module obtaining the quality detection coefficient ZL is as follows: The non-heavy information FC and the ink trace information HM are quantified according to the formula The quality detection coefficient ZL is obtained, where γ is the preset error adjustment factor, π and e are mathematical constants, and z1 and z2 are the preset weight factors corresponding to the set non-heavy information FC and ink mark information HM respectively; The quality detection coefficient ZL is sent to the analysis and judgment module.

8. A printing system according to claim 1, characterized in that: The analysis and judgment module is further configured to generate a quality alarm instruction according to the quality detection coefficient ZL and send the quality alarm instruction to the abnormality alarm module; The specific process of the analysis and judgment module generating a quality alarm instruction is as follows: The quality detection coefficient ZL is compared with the preset quality detection threshold ZLy. The comparison results are as follows: If the quality detection coefficient ZL is less than the quality detection threshold ZLy, a quality alarm instruction is generated and sent to the abnormal alarm module.

9. A printing system according to claim 1, characterized in that: The abnormality alarm module is further configured to sound a quality abnormality alarm after receiving a quality alarm instruction.

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