CN112937123A - Method for detecting imaging box - Google Patents
Method for detecting imaging box Download PDFInfo
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- CN112937123A CN112937123A CN202110118459.1A CN202110118459A CN112937123A CN 112937123 A CN112937123 A CN 112937123A CN 202110118459 A CN202110118459 A CN 202110118459A CN 112937123 A CN112937123 A CN 112937123A
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- toner
- sensor
- amount information
- target sensor
- chip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17566—Ink level or ink residue control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17513—Inner structure
Abstract
The embodiment of the application provides a detection method of an imaging box, which is suitable for the imaging box, wherein the imaging box comprises: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information; the detection method comprises the following steps: modifying the toner residual amount information currently stored by the chip; controlling at least one target sensor to perform detection to obtain a detection result of the target sensor; and determining whether the target sensor is abnormal or not according to the detection result of the target sensor. By the detection method, whether the sensor in the imaging box is abnormal or not can be quickly determined, and the problem that the printer is damaged due to the fact that the abnormal sensor cannot accurately detect the toner allowance is solved.
Description
The present application claims priority from chinese patent application filed on 14/7/2020, having application number 202010673763.8 and entitled "imaging cartridge," the entire contents of which are incorporated herein by reference.
Technical Field
The application relates to the technical field of printing consumables, in particular to a detection method of an imaging box.
Background
The printing system has replaceable components that provide printing material to the system, such as an imaging cartridge that contains toner, and an electrical storage device mounted on the imaging cartridge.
In the prior art, the sensor in the imaging box can be used for detecting the residual amount of the toner, so that the printer can stop printing in time when knowing that the toner is consumed, and the problem of damaging the printing head is prevented.
However, in actual use, some manufacturers remove the electrical storage device on the imaging box for secondary use, remove the sensor therein, and add a virtual sensor to use the virtual sensor to feed back a signal to the printer indicating that the toner is in a full toner state, thereby blocking the function of the printer for actually detecting the remaining toner amount. How to determine whether a sensor in an imaging box is a virtual sensor becomes an urgent problem to be solved.
Disclosure of Invention
The embodiment of the application provides a detection method of an imaging box, which aims to solve the technical problem that whether a sensor in the imaging box is a virtual sensor cannot be determined in the prior art.
The embodiment of the application provides a detection method of an imaging box, wherein the imaging box comprises: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information;
the detection method comprises the following steps:
modifying the toner residual amount information currently stored by the chip;
controlling at least one target sensor to perform detection to obtain a detection result of the target sensor;
and determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
Optionally, before modifying the toner remaining amount information currently stored in the chip, the method further includes:
at least one target sensor is selected from the plurality of sensors according to the currently stored toner remaining amount information, and a detection result of the target sensor is obtained.
Optionally, the determining whether the target sensor is abnormal according to the detection result of the target sensor includes:
comparing detection results of the same target sensor before and after the toner remaining amount information currently stored in the chip is modified, and determining whether the target sensor is abnormal;
or comparing the detection results of the two target sensors after modifying the toner remaining amount information currently stored by the chip, and determining whether the target sensors are abnormal.
Optionally, at least one target sensor is selected from the plurality of sensors according to the currently stored toner remaining amount information, and a prediction result and a detection result of the target sensor are obtained;
and judging whether the prediction result of the target sensor is consistent with the detection result, if so, executing a step of modifying the toner residual amount information currently stored by the chip, otherwise, not executing the step of modifying the toner residual amount information currently stored by the chip.
Optionally, the modifying the toner remaining amount information currently stored in the chip includes:
if the toner residual amount information currently stored in the chip indicates that the toner is not exhausted, modifying the toner residual amount information currently stored in the chip into data representing that the toner is exhausted;
and selecting a sensor positioned at the tail end along the gravity direction as the target sensor, controlling the target sensor to detect whether the toner exists or not, and determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
Optionally, the modifying the toner remaining amount information currently stored in the chip further includes:
if the use state of the imaging box is not used, modifying the currently stored toner residual information into data representing toner exhaustion;
at least one sensor in the plurality of sensors is randomly selected as the target sensor, the detection result of the target sensor is obtained, and whether the sensor is abnormal or not is confirmed according to the detection result of the target sensor.
Optionally, before the toner remaining amount information currently stored in the chip is modified, the detection results of all the sensors are obtained, and a logic operation is performed to obtain a first operation result;
modifying the toner residual amount information currently stored in the chip into data representing toner exhaustion, and controlling all the sensors to detect whether the toner exists or not;
acquiring detection results of all the sensors again, and executing logic operation to obtain a second operation result;
and confirming whether the sensor is abnormal or not according to the first operation result and the second operation result.
Optionally, if the detection result or the operation result of the target sensor before and after the toner remaining amount information currently stored in the chip is modified is the same, the target sensor is not abnormal.
Optionally, before modifying the toner remaining amount information currently stored in the chip, the method further includes:
backing up the currently stored toner residual information;
and writing the backup toner remaining amount information into the chip and covering the modified toner remaining amount information after determining that the target sensor is not abnormal according to the detection result of the target sensor.
Optionally, after determining that the target sensor is not abnormal according to the detection result of the target sensor, controlling each sensor to perform detection again, writing the remaining amount information obtained according to the detection result of this time into the chip, and covering the modified toner remaining amount information.
In a second aspect, an embodiment of the present application provides a detection apparatus for an imaging cartridge, for detecting the imaging cartridge, the imaging cartridge including: the imaging cartridge, comprising: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information;
the detection method comprises the following steps:
the detection module is used for modifying the toner residual amount information currently stored by the chip; controlling at least one target sensor to perform detection to obtain a detection result of the target sensor;
and the analysis module is used for determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
In a third aspect, an embodiment of the present application provides an imaging cartridge, including: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information;
the imaging cartridge may be tested using the testing method of the first aspect.
The embodiment of the application provides a detection method of an imaging box, which is suitable for the imaging box, wherein the imaging box comprises: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information; the detection method comprises the following steps: modifying the toner residual amount information currently stored by the chip; controlling at least one target sensor to perform detection to obtain a detection result of the target sensor; and determining whether the target sensor is abnormal or not according to the detection result of the target sensor. By the detection method, whether the sensor in the imaging box is abnormal or not can be quickly determined, and the problem that the printer is damaged due to the fact that the abnormal sensor cannot accurately detect the toner allowance is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic structural diagram of an imaging cartridge according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow chart illustrating a method for testing an imaging cartridge according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a detection device of an imaging cartridge according to an embodiment of the present disclosure.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of systems and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The printing system has replaceable components that provide printing material to the system, such as an imaging cartridge that contains toner, and an electrical storage device mounted on the imaging cartridge. In the prior art, a toner remaining amount detection device, such as a sensor, is arranged in an imaging box, and the sensor is used for detecting the toner remaining amount, so that when toner is consumed, printing is stopped in time, and the problem of damaging a printing head is prevented. However, in the actual use process, the sensor may malfunction, which results in inaccurate detection results, and when the actual toner is exhausted but the sensor feeds back the remaining toner, the printer continues to perform the printing operation, which causes the print head to be idle, and the print head may be damaged. In addition, in order to save cost, manufacturers also add a virtual sensor by removing the electric storage device on the imaging box for secondary use and removing the sensor in the replaceable component, so as to use the virtual sensor to feed back a signal to the printer to indicate that the toner is in a full toner state, and shield the printer from actually detecting the residual toner, and in this case, the situation that the actual toner is exhausted but the sensor feeds back residual toner can also occur.
In order to solve the above problems, in the embodiments of the present application, the predicted detection results of the sensors are predicted, the detection result of the target sensor is obtained, and the detection result of the target sensor is compared with the corresponding predicted detection result, so as to determine whether the imaging cartridge is abnormal, and avoid a failure of the sensor, or, if the sensor is a virtual sensor, the detection result of the remaining toner amount is inaccurate, which may cause the printing head to be damaged due to idle printing.
To better describe the method of detecting the image forming cartridge provided by the present application, first, the present application will briefly explain the structure of the image forming cartridge and the method of detecting the remaining amount of toner in the image forming cartridge:
fig. 1 is a schematic structural diagram of an imaging cartridge provided in an embodiment of the present application, and as shown in fig. 1, the imaging cartridge 1 includes: an accommodating chamber 11 for accommodating toner, which may be ink or carbon powder; the printer comprises a chip 12, wherein at least relevant information of a sensor is stored in the chip 12, and the printer acquires the relevant information of the sensor through communication with the chip 12; a plurality of sensors 13, i.e., a sensor 131, a sensor 132, a sensor 133, a sensor 134, and a sensor 135 shown in fig. 1, each of which is provided in the accommodating chamber 11 in the direction of gravity, may be used to detect the presence or absence of toner, wherein the sensors may be various types of sensors, such as a capacitance, a detection electrode, a temperature sensor, and the like.
Since the toner moves toward the bottom of the accommodating chamber 11 by gravity, the sensors 131 to 135 are uniformly distributed in the gravity direction so as to detect whether the accommodating chamber 11 has toner at different positions.
In actual use, as toner is consumed, first, the sensor 131 provided at the upper portion of the housing chamber 11 does not detect toner, and then the sensor 132, the sensor 133, the sensor 134, and the sensor 135 are arranged in this order. When all the sensors 13 detect the absence of toner, it indicates that the accommodating chamber 11 has no toner; when all the sensors 13 detect that toner is present, it indicates that the accommodating chamber 11 is full of toner; further, when the sensor 131 does not detect the toner, but the sensors 132 to 135 can detect the toner, it indicates that the remaining amount of the toner is 80% or the consumed amount of the toner is 20%.
After the sensors 13 complete the detection of the toner in the accommodating chamber 11, the corresponding detection results are sent to the chip 12, so that the chip 12 updates the currently stored toner remaining amount information according to the detection results of the sensors 13.
Fig. 2 is a schematic flow chart of a method for inspecting an imaging cartridge according to an embodiment of the present disclosure, and the method illustrated in fig. 2 is adapted to the structure of the imaging cartridge illustrated in fig. 1.
As shown in fig. 2, the method in the embodiment of the present application includes:
and step 203, determining whether the target sensor is abnormal according to the detection result of the target sensor.
If a virtual sensor is present in the image forming cartridge, the virtual sensor is generally performed based on the toner remaining amount information currently stored in the chip, rather than the actual toner capacity in the housing chamber when toner detection is performed.
For example, when the toner capacity in the accommodating chamber in fig. 1 is 80% and the toner remaining amount information currently stored in the chip is 100%, the control sensor 131 performs the detection of the presence or absence of toner, and determines whether the cartridge is provided with a virtual sensor; if the detected result is toner (i.e., consistent with the currently stored toner remaining amount information in the chip), the sensor 131 is a virtual sensor; if the detection result is no toner (i.e., consistent with the actual toner volume in the accommodating chamber), the sensor 131 is a physical sensor.
Based on the above-described detection characteristics of the sensor, the present application provides an embodiment in which, first, the toner remaining amount information currently stored by the chip is modified. Then, at least one target sensor in the imaging box is controlled to perform detection so as to obtain a detection result. And finally, determining whether the target sensor is abnormal or not based on the detection result.
For example, before the modification, the chip currently stores the toner remaining amount information of 100% (at this time, the toner in the accommodating chamber is 100%), at this time, the currently stored toner remaining amount information may be modified to 80%, and then the control includes the target sensor 131 to perform the detection, obtaining the detection result. When the detection result is that toner is present (i.e., consistent with the toner volume in the accommodating chamber), then the sensor 131 is a true sensor; if the detection result is no toner (i.e., consistent with the current toner capacity in the modified chip), the sensor 131 is a virtual sensor.
Through the mode, the state (whether be real sensor) of the sensor in the formation of image box can be judged fast to whether can't confirm the sensor in the formation of image box among the prior art is the technical problem of virtual sensor, and then avoid being provided with virtual sensor in the formation of image box and the damage risk that causes for the printer.
In an optional embodiment, before modifying the toner remaining amount information currently stored in the chip, the method further includes: at least one target sensor is selected from the plurality of sensors according to the currently stored toner remaining amount information, and a detection result of the target sensor is obtained.
Specifically, before the toner remaining amount information is modified, the target sensor may be controlled to perform one detection to obtain a detection result of the target sensor before the toner remaining amount information is modified. The detection result before the toner remaining amount information is modified may be used to compare with the detection result after the modified toner remaining amount information to determine whether the target sensor is abnormal.
Optionally, the determining whether the target sensor is abnormal according to the detection result of the target sensor includes: and comparing detection results of the same target sensor before and after the toner remaining amount information currently stored in the chip is modified, and determining whether the target sensor is abnormal.
Illustratively, when the pre-modification toner remaining amount information is 100%, the sensor 131 is selected as a target sensor and detection is performed to obtain a first detection result, when the first detection result of the sensor 131 under the currently stored toner remaining amount information is toner. The toner remaining amount information is modified to 60%, and the target sensor 131 is controlled again to perform detection to obtain a second detection result; the first detection result and the second detection result are compared. If the second detection result of the sensor 131 is the same as the first detection result, it is determined that the sensor 131 is a physical sensor; if the second detection result of the sensor 131 is not the same as the first detection result, it is determined that the sensor 131 is a virtual sensor.
It should be noted that if the number of the target sensors is 1, when the currently stored toner remaining amount information is modified, different detection results are obtained before and after the modification if the target sensors are virtual sensors by the modification of the toner remaining amount information.
Note that, in order to ensure the accuracy of the detection result, the toner remaining amount information currently stored by the modifying chip is modified without consuming toner by performing the printing operation. In the actual use process, when the currently stored toner remaining amount information is not modified, the detection result of the entity sensor corresponds to the currently stored toner remaining amount information stored in the chip, and the sensor with the detection result possibly changed before and after the modification of the toner remaining amount information is selected by taking the detection result as a reference; if the toner remaining amount is modified when the printing operation is completed but the toner remaining amount information is not updated, the sensor may not be accurately selected, resulting in failure to correctly determine whether the sensor is a physical sensor. Based on the above, the modification of the toner remaining amount information currently stored by the chip in the embodiment of the present invention is performed without consuming toner by performing the printing operation. The unexecuted printing consumption operation may be that a new ink cartridge is installed on the printer and no printing operation is executed, or that an ink cartridge that has been used has been executed after the last printing operation to update the toner remaining amount information but no next printing operation is executed.
Further alternatively, when the number of the target sensors is 2, and whether the target sensors are abnormal is determined according to the detection results of the target sensors, it may be determined whether the two target sensors are abnormal based on the detection results of the two target sensors.
That is, the detection results of the two target sensors after the toner remaining amount information currently stored in the chip is modified are compared to determine whether the target sensors are abnormal. Illustratively, before modifying the remaining amount information of the chip, the remaining amount information of the read chip is 80%, the sensor 131 and the sensor 132 are selected to perform the detection of the presence or absence of toner, and the detection result of the sensor 131 and the detection result of the sensor 132 before modification are obtained, the detection result of the sensor 131 and the detection result of the sensor 132 are different (the detection result of the sensor 131 is toner, and the detection result of the sensor 132 is toner-free); the remaining amount information of the modified chip is 50% or 100%, and the sensor 131 and the sensor 132 are controlled again to perform the detection of the presence or absence of toner, and the detection result of the sensor 131 and the detection result of the sensor 132 after the modification are obtained.
If the modified detection result of the sensor 131 is different from the detection result of the sensor 132 (the detection result of the sensor 131 is toner-present and the detection result of the sensor 132 is toner-absent), it is determined that the sensor 131 and the sensor 132 are both solid sensors; conversely, if the modified detection result of the sensor 131 is the same as the detection result of the sensor 132 (the detection result of the sensor 131 is no toner and the detection result of the sensor 132 is no toner, or the detection result of the sensor 131 is toner and the detection result of the sensor 132 is toner), it is assumed that the sensor 131 and the sensor 132 are virtual sensors.
Further, on the basis of the above embodiment, optionally, in order to complete the rapid detection of the target sensor and improve the detection efficiency, the target sensor may be pre-detected according to the currently stored toner remaining amount information to obtain a prediction result, and it may be determined whether the modification step needs to be performed based on the prediction result and the detection result before modification.
Specifically, at least one target sensor is selected from the plurality of sensors according to the currently stored toner remaining amount information, and a prediction result and a detection result of the target sensor are obtained; and judging whether the prediction result of the target sensor is consistent with the detection result, if so, executing a step of modifying the toner residual amount information currently stored by the chip, otherwise, not executing the step of modifying the toner residual amount information currently stored by the chip.
Illustratively, before modifying the toner remaining amount information, the toner remaining amount information of the chip is read, and assuming that the toner remaining amount information is 70%, the sensor 132 is selected as a target sensor, and a prediction result is obtained, in which case the prediction result of the sensor 132 is toner presence, and the sensor 132 is controlled to perform detection of toner presence or absence, and a detection result before modification is obtained.
If the detection result before modification is the same as the prediction result (i.e., the detection result before modification is also toner), the remaining amount information of the modified chip is 50%, the sensor 132 is controlled again to detect whether toner is present or not, the modified detection result is obtained, and whether the modified detection result is consistent with the detection result before modification or not is compared.
And if the detection result before modification is not the same as the prediction result (namely, the detection result before modification is the existence of the toner), not executing the step of modifying the toner residual amount information currently stored by the chip.
In addition to the above embodiments, in order to further increase the detection speed of whether the sensor is a virtual sensor, the rapid detection of the sensor may be performed as follows:
optionally, if the toner remaining amount information currently stored in the chip indicates that the toner is not exhausted, modifying the toner remaining amount information currently stored in the chip to data indicating that the toner is exhausted; then, a sensor located at the end in the direction of gravity is selected as the target sensor, the target sensor is controlled to detect the presence or absence of toner, and whether or not the target sensor is abnormal is determined based on the detection result of the target sensor.
Illustratively, before the toner remaining amount information is modified, the toner remaining amount information of the chip is 70%, that is, not 0%, it is determined that the toner remaining amount information indicates that the toner is not exhausted; in this case, the toner remaining amount information of the chip is directly modified to 0%, and the presence or absence of toner can be detected with the sensor 135 as a target sensor.
Since the sensor 135 is the sensor closest to the bottom of the housing chamber, the detection result of the sensor 135 should be the presence of toner as long as the toner is not consumed, and therefore, after the above-mentioned detection, if the detection result of the sensor 135 is the presence of toner, it is described that the sensor is a physical sensor, and conversely, the sensor is a virtual sensor.
Optionally, the chip of the imaging cartridge further stores usage status information of the imaging cartridge, and the usage status information can be used to indicate whether the imaging cartridge is used. With this use state, rapid detection of the sensor can also be performed in the following manner:
if the use state of the imaging box is not used, modifying the currently stored toner residual information into data representing toner exhaustion; at least one sensor in the plurality of sensors is randomly selected as the target sensor, the detection result of the target sensor is obtained, and whether the sensor is abnormal or not is confirmed according to the detection result of the target sensor.
For example, before the toner remaining amount information is modified, the reading chip knows that the use state of the image forming cartridge is unused. At this time, it is possible to directly modify the toner remaining amount information of the chip to 0% and select any one or more of the sensors 131 to 135 as a target sensor, and then control the target sensor to perform the detection of the presence or absence of toner.
Taking the target sensor as sensor 132 for example, the chamber should be filled with toner since the cartridge is not in use. Therefore, after the above-described detection, if the detection result of the sensor 132 indicates that toner is present, it indicates that the sensor is a real sensor, and conversely, the sensor is a virtual sensor.
In the above embodiment, when a brand-new unused ink cartridge is mounted on a printer, the printer detects that the chip has a flag bit indicating that the ink cartridge is a brand-new ink cartridge, and when the printer does not consume toner, the remaining amount information in the chip is modified to 0, any one of the plurality of sensors is randomly selected as a target sensor, and the detection of the presence or absence of toner is performed, so that the target sensor does not need to be selected according to the remaining amount information, but a random selection mode is adopted, and the detection efficiency is improved.
On the basis of the above embodiment, the determination of the detection result may be implemented by a logical operation, and optionally, before the toner remaining amount information currently stored in the chip is modified, the detection results of all the sensors are obtained, and the logical operation is performed to obtain a first operation result; modifying the toner residual amount information currently stored in the chip into data representing toner exhaustion, and controlling all the sensors to detect whether the toner exists or not; acquiring detection results of all the sensors again, and executing logic operation to obtain a second operation result; and confirming whether the sensor is abnormal or not according to the first operation result and the second operation result.
It is known that, if the detection results or the operation results of the target sensor before and after the toner remaining amount information currently stored in the chip is modified are the same, the target sensor is not abnormal.
Illustratively, each sensor is provided with a flag indicating the presence or absence of toner, the presence of toner being "1" and the absence of toner being "0"; the printer reads the flag bits of all the sensors to perform OR operation, if toner still exists in the imaging box, the result of OR operation (AND operation) is '1', the residual toner amount information is modified to be 0, the flag bits of the sensors are read again to perform OR operation, if the result of OR operation is '1', the sensors are entity sensors, and if the structure of OR operation is '0', the sensors are virtual sensors.
For example, before modification, the flag bits of all sensors are read to be 01111, and an or operation is performed to obtain 1 (a first operation result); if the modified sensor is modified, the flag bits of all the sensors are read to be 01111, and OR operation is carried out to obtain 1 (a second operation result), and the sensor is a real sensor because the first operation result is the same as the second operation result; if the modified flag bits of all the sensors are read to be 00000, and an OR operation is performed to obtain 0 (a second operation result), wherein the sensors are virtual sensors because the first operation result is different from the second operation result.
Or the printer sends an instruction for reading detection results of all the sensors, if the sensors return to a high level, the toner is detected, and if the sensors return to a low level, the toner is detected, and the toner is not detected, and all the obtained toner results are input into the logic operation circuit to obtain a first operation result; modifying the toner residual amount information to be 0, sending an instruction for reading detection results of all sensors again, and inputting all the obtained toner results into a logic operation circuit to obtain a second operation result; and if the first operation result is the same as the second operation result, the sensor is a real sensor, and if the first operation result is different from the second operation result, the sensor is a virtual sensor.
On the basis of the foregoing embodiment, after the detection of the sensor is completed, the residual information needs to be restored to avoid errors in subsequent use.
Alternatively, the information may be backed up before the toner remaining amount information of the chip is modified, so that quick restoration of the toner remaining amount information after detection can be performed (i.e., restoration can be directly performed by backup). Specifically, the currently stored toner remaining amount information may be backed up; and writing the backup toner remaining amount information into the chip and covering the modified toner remaining amount information after determining that the target sensor is not abnormal according to the detection result of the target sensor. By backing up this information, the speed of restoring the toner remaining amount information can be increased by the backup restoration directly after the sensor is determined to be the true sensor.
Optionally, a backup mode may not be used to perform the toner remaining amount information, that is, after it is determined that the target sensor is not abnormal according to the detection result of the target sensor, each sensor is controlled to perform detection again, and the remaining amount information obtained according to the detection result is written into the chip and covers the modified toner remaining amount information, so that the space for storing data can be saved.
Of course, regardless of the above-described restoration method for the residual amount information, it should be noted that once the sensor is found to be a virtual sensor during the detection process, an error can be directly reported, and the above-described information restoration process is not executed.
Fig. 3 is a schematic structural diagram of a detection device of an imaging cartridge according to an embodiment of the present disclosure. The embodiment of the application provides a detection device of formation of image box for detect the formation of image box, the formation of image box includes: the imaging cartridge, comprising: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information;
the detection method comprises the following steps:
the detection module 31 is used for modifying the toner residual amount information currently stored in the chip; controlling at least one target sensor to perform detection to obtain a detection result of the target sensor;
and the analysis module 32 is used for determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
Optionally, before modifying the toner remaining amount information currently stored in the chip, the detecting module 31 is further configured to: at least one target sensor is selected from the plurality of sensors according to the currently stored toner remaining amount information, and a detection result of the target sensor is obtained.
Optionally, the analysis module 32 determines whether the target sensor is abnormal according to the detection result of the target sensor, and is specifically configured to:
comparing detection results of the same target sensor before and after the toner remaining amount information currently stored in the chip is modified, and determining whether the target sensor is abnormal; or comparing the detection results of the two target sensors after modifying the toner remaining amount information currently stored by the chip, and determining whether the target sensors are abnormal.
Optionally, the detecting module 31 is further configured to select at least one target sensor from the plurality of sensors according to the currently stored toner remaining amount information, and obtain a prediction result and a detection result of the target sensor;
the analysis module 32 is configured to determine whether the prediction result of the target sensor is consistent with the detection result, if so, the detection module 31 performs a step of modifying the toner remaining amount information currently stored in the chip, otherwise, the step of modifying the toner remaining amount information currently stored in the chip is not performed.
Optionally, when modifying the toner remaining amount information currently stored in the chip, the detecting module 31 is specifically configured to:
if the toner residual amount information currently stored in the chip indicates that the toner is not exhausted, modifying the toner residual amount information currently stored in the chip into data representing that the toner is exhausted; and selecting a sensor positioned at the tail end along the gravity direction as the target sensor, controlling the target sensor to detect whether the toner exists or not, and determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
Optionally, the detecting module 31 is further configured to, after modifying the toner remaining amount information currently stored in the chip: if the use state of the imaging box is not used, modifying the currently stored toner residual information into data representing toner exhaustion; at least one of the plurality of sensors is randomly selected as the target sensor, and the detection result of the target sensor is obtained, so that the analysis module 32 can determine whether the sensor is abnormal according to the detection result of the target sensor.
Optionally, before modifying the toner remaining amount information currently stored in the chip, the detecting module 31 is further configured to: acquiring detection results of all the sensors, and executing logic operation to obtain a first operation result; modifying the toner residual amount information currently stored in the chip into data representing toner exhaustion, and controlling all the sensors to detect whether the toner exists or not; acquiring detection results of all the sensors again, and executing logic operation to obtain a second operation result;
the analysis module 32 is configured to determine whether the sensor is abnormal according to the first operation result and the second operation result.
Optionally, if the detection result or the operation result of the target sensor before and after the toner remaining amount information currently stored in the chip is modified is the same, the target sensor is not abnormal.
Optionally, the method further includes: a backup module; the backup module is used for backing up the currently stored toner residual amount information before the detection module 31 modifies the currently stored toner residual amount information of the chip;
the backup module is further configured to write the backup toner remaining amount information into the chip and cover the modified toner remaining amount information after the analysis module 32 determines that the target sensor is not abnormal according to the detection result of the target sensor.
Optionally, the detecting module 31 is further configured to, after the analyzing module 32 determines that the target sensor is not abnormal according to the detection result of the target sensor, control each sensor to perform detection again, write the remaining amount information obtained according to the detection result of this time into the chip, and cover the modified toner remaining amount information.
Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware form, and can also be realized in a form of hardware and a software functional module.
Further, while operations are depicted in a particular order, this should be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in multiple implementations separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. A method of testing an imaging cartridge, the imaging cartridge comprising: the toner image forming apparatus includes an accommodating chamber for accommodating toner, a plurality of sensors arranged in the accommodating chamber in a gravity direction for detecting presence or absence of toner in the accommodating chamber, and a chip for storing toner remaining amount information;
the detection method comprises the following steps:
modifying the toner residual amount information currently stored by the chip;
controlling at least one target sensor to perform detection to obtain a detection result of the target sensor;
and determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
2. The sensor detecting method according to claim 1, further comprising, before modifying the toner remaining amount information currently stored by the chip:
at least one target sensor is selected from the plurality of sensors according to the currently stored toner remaining amount information, and a detection result of the target sensor is obtained.
3. The detection method according to claim 2, wherein the determining whether the target sensor is abnormal or not based on the detection result of the target sensor includes:
comparing detection results of the same target sensor before and after the toner remaining amount information currently stored in the chip is modified, and determining whether the target sensor is abnormal;
or comparing the detection results of the two target sensors after modifying the toner remaining amount information currently stored by the chip, and determining whether the target sensors are abnormal.
4. The detection method according to claim 2,
selecting at least one target sensor from the plurality of sensors according to the currently stored toner remaining amount information, and obtaining a prediction result and a detection result of the target sensor;
and judging whether the prediction result of the target sensor is consistent with the detection result, if so, executing a step of modifying the toner residual amount information currently stored by the chip, otherwise, not executing the step of modifying the toner residual amount information currently stored by the chip.
5. The method according to claim 1, wherein said modifying the toner remaining amount information currently stored by said chip comprises:
if the toner residual amount information currently stored in the chip indicates that the toner is not exhausted, modifying the toner residual amount information currently stored in the chip into data representing that the toner is exhausted;
and selecting a sensor positioned at the tail end along the gravity direction as the target sensor, controlling the target sensor to detect whether the toner exists or not, and determining whether the target sensor is abnormal or not according to the detection result of the target sensor.
6. The method of claim 1, wherein said modifying toner remaining amount information currently stored by said chip further comprises:
if the use state of the imaging box is not used, modifying the currently stored toner residual information into data representing toner exhaustion;
at least one sensor in the plurality of sensors is randomly selected as the target sensor, the detection result of the target sensor is obtained, and whether the sensor is abnormal or not is confirmed according to the detection result of the target sensor.
7. The detecting method according to claim 1, wherein before the toner remaining amount information currently stored in the chip is modified, detecting results of all the sensors are obtained, and a logical operation is performed to obtain a first operation result;
modifying the toner residual amount information currently stored in the chip into data representing toner exhaustion, and controlling all the sensors to detect whether the toner exists or not;
acquiring detection results of all the sensors again, and executing logic operation to obtain a second operation result;
and confirming whether the sensor is abnormal or not according to the first operation result and the second operation result.
8. The detection method according to claim 3 or 7,
and if the detection results or the operation results of the target sensor before and after the toner remaining amount information currently stored in the chip is modified are the same, the target sensor is not abnormal.
9. The method according to claim 8, wherein before modifying the toner remaining amount information currently stored in the chip, the method further comprises:
backing up the currently stored toner residual information;
and writing the backup toner remaining amount information into the chip and covering the modified toner remaining amount information after determining that the target sensor is not abnormal according to the detection result of the target sensor.
10. The detecting method according to claim 8, wherein after it is determined that the target sensor is not abnormal based on the detection result of the target sensor, each sensor is controlled to perform detection again, and remaining amount information obtained based on the detection result of this time is written in the chip and overwrites the modified toner remaining amount information.
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| CN202210537890.4A CN114953755B (en) | 2020-07-14 | 2021-01-28 | Detection method of imaging box |
| PCT/CN2021/116382 WO2022012700A1 (en) | 2020-07-14 | 2021-09-03 | Measurement method for image-forming cartridge |
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| CN202110137196.9A Active CN112965351B (en) | 2020-07-14 | 2021-02-01 | Image forming cartridge and toner remaining amount detecting method |
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| WO2022012700A1 (en) | 2022-01-20 |
| CN112965351B (en) | 2022-09-06 |
| CN112937123B (en) | 2022-06-17 |
| CN112965351A (en) | 2021-06-15 |
| CN114953755A (en) | 2022-08-30 |
| CN114953755B (en) | 2023-06-02 |
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