CN112180699A - Consumable chip, image forming apparatus, image forming control method, and consumable - Google Patents
Consumable chip, image forming apparatus, image forming control method, and consumable Download PDFInfo
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- CN112180699A CN112180699A CN202011047658.XA CN202011047658A CN112180699A CN 112180699 A CN112180699 A CN 112180699A CN 202011047658 A CN202011047658 A CN 202011047658A CN 112180699 A CN112180699 A CN 112180699A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/55—Self-diagnostics; Malfunction or lifetime display
- G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1875—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit provided with identifying means or means for storing process- or use parameters, e.g. lifetime of the cartridge
- G03G21/1878—Electronically readable memory
- G03G21/1882—Electronically readable memory details of the communication with memory, e.g. wireless communication, protocols
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- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The embodiment of the application provides a consumptive material chip, image forming device, image formation control method and consumptive material, this consumptive material chip detachably installs on the consumptive material, and this consumptive material detachably installs on image forming device, and this consumptive material chip includes: the storage unit is used for storing consumable characteristic parameters used for representing consumable attribute information and first conversion parameters corresponding to imaging control parameters of the image forming device, wherein the first conversion parameters are used for combining the consumable characteristic parameters and determining the imaging control parameters according to a preset first conversion algorithm, so that the image forming device judges and determines whether to use the consumable for imaging according to the imaging control parameters, the automatic identification of the consumable is realized, the imaging control parameters in the consumable chip are converted, the imaging control parameters are prevented from being maliciously tampered, the data communication safety of the consumable chip and the image forming device is improved, and the service life and the printing quality of the image forming device are ensured.
Description
Technical Field
The present disclosure relates to the field of printer technologies, and in particular, to a consumable chip, an image forming apparatus, an image forming control method, and a consumable.
Background
Printers mainly include inkjet printers and laser printers. Both ink jet and laser printers comprise the following two parts: the printer comprises a printer host and a plurality of detachable printing consumables. In the printing process of the printer, the printer host controls the printing consumables to print corresponding images.
In order to ensure good printing quality, different high-voltage control parameters are required to be adopted for printing different types of printing originals. These high-voltage control parameters are usually stored on a consumable chip of a consumable cartridge of the printer, and are obtained through communication between the printer and the consumable chip. However, in the prior art, the printer and the consumable chip are communicated only by exchanging passwords, the encryption mode is simple, and the communication data is easily intercepted, so that the high-voltage control parameters stored in the consumable chip are known or even tampered. Printing with the tampered parameters may result in reduced printing quality and even damage to the printer components.
Disclosure of Invention
The embodiment of the application provides a consumable chip, an image forming device, an image forming control method and a consumable, which improve the data security of printing consumables and the image forming device and avoid the phenomenon that the printing effect is low and even printer parts are damaged due to falsification of relevant parameters.
In a first aspect, an embodiment of the present application provides a consumable chip, the consumable chip is detachably mounted on a consumable, the consumable is detachably mounted on an image forming apparatus, the consumable chip includes: the storage unit is used for storing consumable characteristic parameters used for representing consumable attribute information and first conversion parameters corresponding to imaging control parameters of the image forming device, wherein the first conversion parameters are used for determining the imaging control parameters according to a preset first conversion algorithm by combining the consumable characteristic parameters, so that the image forming device judges whether to use the consumables for imaging or not according to the imaging control parameters.
Optionally, the consumable chip further comprises a chip control unit for:
outputting the first conversion parameter and the consumable characteristic parameter to the image forming device so that the image forming device determines the imaging control parameter according to the preset first conversion algorithm based on the first conversion parameter and the consumable characteristic parameter.
Optionally, the consumable chip further comprises a chip control unit for:
receiving a first random number sent by the image forming device and a second conversion parameter corresponding to a parameter acquisition request; determining a second random number based on the first random number; generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number; performing conversion processing on the second conversion parameter according to a preset third conversion algorithm based on the conversion intermediate parameter and the second conversion parameter to obtain the parameter acquisition request; and outputting the first conversion parameter and/or the consumable characteristic parameter to the image forming device according to the parameter acquisition request.
Optionally, the consumable characteristic parameter includes at least one of a model number, a serial number, and a capacity of the consumable chip.
Optionally, the imaging control parameter includes at least one of an environmental parameter corresponding to a high voltage compensation parameter, a calibration parameter in a color image forming mode, a transfer voltage, and a developing voltage.
In a second aspect, an embodiment of the present application further provides an image forming apparatus, on which a consumable is detachably mounted, on which a consumable chip is detachably mounted, the image forming apparatus including an image formation control unit configured to:
acquiring consumable characteristic parameters which are stored in the consumable chip and used for representing consumable attribute information and first conversion parameters corresponding to imaging control parameters of the image forming device; acquiring imaging control parameters of the image forming device according to the consumable characteristic parameters and the first conversion parameters and a preset first conversion algorithm; and judging whether the consumable is used for imaging or not according to the imaging control parameters.
Optionally, the image formation control unit is further configured to:
acquiring the consumable characteristic parameters, and determining whether the consumable is suitable for the image forming apparatus based on the consumable characteristic parameters.
Optionally, the image formation control unit is further configured to:
and sending a second conversion parameter corresponding to a parameter acquisition request to the consumable chip to acquire the consumable characteristic parameter and/or the first conversion parameter.
Optionally, the image formation control unit is further configured to:
generating a parameter acquisition request and a first random number; sending a first random number to the consumable chip; acquiring a second random number sent by the consumable chip; generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number; and generating the second conversion parameter according to a preset fourth conversion algorithm based on the conversion intermediate parameter and the parameter acquisition request.
Optionally, the consumable characteristic parameter includes at least one of a model number, a serial number, and a capacity of the consumable chip.
Optionally, the imaging control parameter includes at least one of an environmental parameter corresponding to a high voltage compensation parameter, a calibration parameter in a color image forming mode, a transfer voltage, and a developing voltage.
In a third aspect, an embodiment of the present application also provides an image formation control method applied to an image forming apparatus to which a consumable is detachably mounted and a consumable chip on which the chip is mounted, the image forming apparatus including an image formation control unit, the method including:
acquiring consumable characteristic parameters used for representing consumable attribute information and stored in the consumable chip and first conversion parameters corresponding to imaging control parameters of the image forming device by the image forming control unit;
determining, via the image formation control unit, the imaging control parameter according to a preset first conversion algorithm based on the consumable characteristic parameter, the first conversion parameter;
determining, via the image formation control unit, whether to perform image formation using the consumable part according to the image formation control parameter.
Optionally, the image formation control method further includes:
acquiring, by the image formation control unit, the consumable characteristic parameter, and determining whether the consumable is suitable for the image forming apparatus based on the consumable characteristic parameter.
Optionally, the image formation control method further includes:
sending a second conversion parameter corresponding to a parameter acquisition request to the consumable chip through the image forming control unit;
acquiring the consumable characteristic parameter and/or the first conversion parameter via the image formation control unit.
Optionally, the image formation control method further includes:
generating, via the image formation control unit, a parameter acquisition request and a first random number; sending a first random number to the consumable chip, and acquiring a second random number sent by the consumable chip; and generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number, and generating the second conversion parameter according to a preset fourth conversion algorithm based on the conversion intermediate parameter and the parameter acquisition request.
Optionally, after generating the second conversion parameter, the image formation control method further includes:
transmitting the first random number and the second conversion parameter to the consumable chip via the image formation control unit;
determining a second random number based on the first random number through the consumable chip, and generating a conversion intermediate parameter based on the first random number and the second random number according to the preset second conversion algorithm; performing conversion processing on the second conversion parameter according to a preset third conversion algorithm based on the conversion intermediate parameter and the second conversion parameter to obtain the parameter acquisition request; and outputting the first conversion parameter and/or the consumable characteristic parameter to the image forming apparatus according to the parameter acquisition request.
In a fourth aspect, the present application further provides a computer-readable storage medium, where a computer executes instructions, and when a processor executes the computer to execute the instructions, the method for controlling image formation as provided in any embodiment of the present application is implemented.
In a fifth aspect, embodiments of the present application further provide a consumable, including:
a housing;
a developer accommodating portion, located within the housing, for accommodating a developer;
and the consumable chip provided by any embodiment of the application.
Optionally, the consumable further comprises:
a developer conveying member for conveying the developer.
Optionally, the consumable further comprises:
a photosensitive drum;
a charging roller for charging the photosensitive drum.
In a sixth aspect, embodiments of the present application further provide another consumable, including:
a photosensitive drum;
a charging roller for charging the photosensitive drum;
and the consumable chip provided by any embodiment of the application.
The consumable chip, the image forming apparatus, the image forming control method and the consumable provided by the embodiment of the application, through the first conversion parameter and the consumable characteristic parameter stored in the consumable chip, wherein the consumable characteristic parameter is a parameter describing consumable attribute information of the consumable chip, the first conversion parameter is used for determining an imaging control parameter according to a preset first conversion algorithm by combining the consumable characteristic parameter, thereby enabling the image forming device to judge whether to use the consumable for imaging according to the imaging control parameter, realizing automatic matching of the consumable, converting the imaging control parameter in the consumable chip into a first conversion parameter, thereby, even if the data of the consumable chip is intercepted, the imaging control parameters can not be directly obtained, the safety of data communication is improved, and the printing safety of the image forming device is improved, and the service life and the printing quality of the image forming device are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
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 image forming apparatus according to an embodiment of the present application;
fig. 2 is an application scenario diagram provided in the embodiment of the present application;
FIG. 3 is a schematic structural diagram of a consumable chip according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a consumable chip according to another embodiment of the present application;
FIG. 5 is a schematic structural diagram of an image forming apparatus according to an embodiment of the present application;
FIG. 6 is a flowchart of an image formation control method according to an embodiment of the present application;
fig. 7 is a flowchart of an image formation control method according to the embodiment shown in fig. 6.
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
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the above-described drawings (if any) are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, as used herein, indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the position or element so referred to must have a particular orientation, be of particular construction and operation, and thus should not be considered as limiting.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
The following explains an application scenario of the embodiment of the present application:
the embodiment of the application relates to communication between an image forming device and a chip of a consumable, wherein the image forming device body side and the chip side both comprise electric contact parts, when the consumable is installed on the image forming device, the electric contact parts on the image forming device body side and the chip side are in mutual contact, and the electric contact parts can be conductive planes, conductive probes, conductive coils and the like. Among them, the image forming apparatus is used to perform image forming jobs such as generating, printing, receiving, and transmitting image data, and examples of the image forming apparatus include: an inkjet printer, a laser printer, an LED (Light Emitting Diode) printer, a copier, a scanner, or a multifunction Peripheral (MFP) that performs the above functions in a single device. The image forming apparatus includes a controller for controlling the image forming apparatus as a whole, and an image forming portion for forming an image on a sheet conveyed thereto under the control of the controller based on image forming data and a developer such as toner stored in consumables.
Fig. 1 is a schematic structural diagram of an image forming apparatus according to an embodiment of the present application; referring to fig. 1, as an example of an image forming apparatus, an image forming part of the image forming apparatus may include: the paper to be printed moves in the paper feeding direction, sequentially passes through the powder feeding operation of the developer conveying member 13 and the developing operation of the developing member 12, reaches a nip area between the photosensitive member 14 and the transfer member 15 for transfer, and then passes through the fixing assembly 5 for fixing, so as to complete the image forming operation.
The developer accommodating portion 11 is used for accommodating a developer, which may be toner, carbon powder, or other materials; the developing member 12 may include a developing roller or the like; the developer conveying member 13 may include a powder feeding roller or the like; the photosensitive member 14 may include a photosensitive drum (OPC) and a charging roller for charging the photosensitive drum, and the like.
Generally, at least one consumable is detachably installed in the image forming apparatus, and taking the image forming apparatus shown in fig. 1 as an example, the image forming apparatus is detachably installed with 4 consumables (the consumables 1, 2, 3 and 4 shown in fig. 1 are respectively used for providing developers of four colors, namely black K, cyan C, magenta M and yellow Y, for the image forming apparatus), of course, in other embodiments, the number of the consumables installed in the image forming apparatus may be increased or decreased, for example, 1 or 6, and the like, which is not limited in this application.
For the consumable mounted with the consumable chip, one way to achieve this is: the consumable is of a split structure, for example: the consumable (consumable 1, consumable 2, consumable 3 or consumable 4) comprises a shell, a developer accommodating part 11, a developing part 12, a developer conveying element 13 and a consumable chip, wherein the developer accommodating part 11 is positioned in the shell and used for accommodating a developer, and the developer conveying element 13 is used for conveying the developer; another way that can be achieved is: the consumable is of a one-piece construction, for example: the consumable (consumable 1, consumable 2, consumable 3, or consumable 4) includes a developer accommodating portion 11, a developing member 12, a developer conveying member 13, a photosensitive member 14, a transfer member 15, a consumable chip, and the like.
Fig. 2 is an application scenario diagram provided in the embodiment of the present application, and as shown in fig. 2, the image forming apparatus 100 generally includes an image forming control unit 110, an image forming unit 120, and consumables 130, where the image forming control unit 110 is configured to receive image forming data and generate an image forming instruction to control the image forming unit 120 to perform an image forming operation based on toner or other developers in the consumables 130. Since the developers such as toner in the consumables 130 are consumables, when the developers are exhausted, they need to be replaced or updated, and after installing new consumables, the image forming apparatus 100 needs to verify the newly installed consumables through the consumable chip 131 to ensure the printing quality of the image forming apparatus 100.
In order to improve the security of data communication between the consumable chip 131 and the image forming apparatus 100, the embodiment of the application provides a consumable chip, the imaging control parameters stored in the consumable chip are converted based on the preset first conversion algorithm and the consumable characteristic parameters, so that the security of the imaging control parameters is effectively improved, the imaging control parameters in the consumable chip are effectively prevented from being intercepted and tampered, the data communication security is ensured, and the printing output quality is improved.
Fig. 3 is a schematic structural diagram of a consumable chip according to an embodiment of the present disclosure, and as shown in fig. 3, the consumable chip 210 is detachably mounted on the consumable 220, the consumable 220 is detachably mounted on the image forming apparatus 230, the consumable chip 210 includes a storage unit 211, and the storage unit 211 is configured to store a consumable characteristic parameter 2111 for representing consumable attribute information and a first conversion parameter 2112 corresponding to an imaging control parameter of the image forming apparatus 230.
The first conversion parameter 2112 is used for determining an imaging control parameter according to a preset first conversion algorithm in combination with the consumable characteristic parameter 2111, so that the image forming apparatus 230 determines whether to use the consumable for imaging according to the imaging control parameter.
In some embodiments, the consumable may also be referred to as a consumable cartridge or a printing substance cartridge. Specifically, the consumable 220 contains printing material and a consumable chip 210, the printing material may also be called printing consumable or developer, specifically, 2D printing material such as ink and carbon powder, and 3D printing material such as plastic and metal.
Specifically, the consumable characteristic parameter 2111 may be a parameter describing consumable attribute information and chip attribute information, such as a parameter that may include a model of a chip, a serial number and a capacity of the consumable 220. The first conversion parameter 2112 may be a parameter generated from the consumable characteristic parameter 2111 and an imaging control parameter of the image visualizing apparatus 230 based on a preset first conversion algorithm. The image formation control parameter is a parameter for controlling image formation of the image forming apparatus 230, and may be, for example, a high voltage compensation parameter, a transfer voltage, a developing voltage, or the like.
Specifically, the first conversion parameter 2112 of the imaging control parameter may be generated in advance according to a preset first conversion algorithm and the consumable characteristic parameter 2111, and stored in the consumable chip 210. The first conversion parameter 2112 of the imaging control parameter may also be generated by the consumable chip 210 according to the consumable characteristic parameter 2111 stored thereon, a preset first conversion algorithm, and the imaging control parameter.
Further, the preset first conversion algorithm may be a first encryption algorithm to generate a ciphertext of the imaging control parameter, i.e., the first conversion parameter, according to the consumable characteristic parameter 2111 and the first encryption algorithm.
Alternatively, the consumable characteristic parameters 2111 stored in the storage unit 211 of the consumable chip 210 may include one or more of a model number of the consumable chip, a serial number, a capacity, and the like.
Optionally, the imaging control parameter includes one or more of an environmental parameter corresponding to a high voltage compensation parameter, a calibration parameter in a color image forming mode, a transfer voltage, a developing voltage, and the like.
Further, the consumable chip 210 may further include a control unit for detecting the remaining amount of printing substance in the consumable 220.
Further, the consumable chip 210 may further include a communication module for performing data communication with the image forming apparatus 230.
Optionally, the consumable chip 210 further comprises a chip control unit for outputting the first conversion parameter 2112 and the consumable characteristic parameter 2111 to the image forming apparatus 230, so that the image forming apparatus 230 determines the imaging control parameter according to the preset first conversion algorithm based on the first conversion parameter 2112 and the consumable characteristic parameter 2111.
Specifically, the chip control unit may transmit the first conversion parameter and the consumable characteristic parameter to the image forming apparatus 230 through the communication module. Thus, the image forming apparatus 230 obtains an imaging control parameter based on a preset conversion algorithm according to the received first conversion parameter 2112 and the consumable characteristic parameter 2111, and further determines whether to image with the consumable 220 according to the imaging control parameter.
The utility model provides a consumable chip, first conversion parameter and consumable feature parameter through wherein storage, wherein, consumable feature parameter is the parameter of the consumable attribute information of description consumable chip, first conversion parameter is used for combining this consumable feature parameter according to predetermineeing first conversion algorithm, confirm imaging control parameter, thereby make image forming device can judge whether to use this consumable to image according to this imaging control parameter, the automatic matching to the consumable has been realized, and convert imaging control parameter in the consumable chip into first conversion parameter, thereby make even the data of consumable chip is intercepted, also unable direct imaging control parameter that obtains, the security of data communication has been improved, and then the security that image forming device printed has been improved, image forming device's life-span and printing quality have been guaranteed.
Fig. 4 is a schematic structural diagram of a consumable chip according to another embodiment of the present application, and it can be known from fig. 3 and 4 that the structure of the consumable chip 210 is further detailed on the basis of the embodiment shown in fig. 3, and the consumable chip 210 further includes a chip control unit 212 according to this embodiment.
The chip control unit 212 is specifically configured to: receiving a first random number sent by the image forming apparatus 230 and a second conversion parameter corresponding to the parameter acquisition request; determining a second random number based on the first random number; generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number; performing conversion processing on the second conversion parameter according to a preset third conversion algorithm based on the conversion intermediate parameter and the second conversion parameter to obtain the parameter acquisition request; the first conversion parameter 2112 and/or the consumable part characteristic parameter 2111 are output to the image forming apparatus 230 according to the parameter acquisition request.
Specifically, the first random number and the second random number may be numbers with any number of digits. The image forming apparatus 230 automatically generates a parameter acquisition request to acquire a parameter stored in the consumable chip 210 based on the parameter acquisition request, which may be the first conversion parameter 2112 and/or the consumable characteristic parameter 2111. In order to ensure the security of data communication, when the image forming apparatus 230 sends the parameter obtaining request, the image forming apparatus 230 generates a first random number at the same time, the consumable chip 210 generates a second random number according to the first random number, and sends the second random number to the image forming apparatus 230, so that both the image forming apparatus 230 and the consumable chip can obtain a conversion intermediate parameter based on the first random number, the second random number, and a preset second conversion algorithm, and thus, based on a preset fourth conversion algorithm, the parameter obtaining request is converted according to the conversion intermediate parameter, so as to obtain a second conversion parameter corresponding to the parameter obtaining request. Correspondingly, the consumable chip 210 processes the second conversion parameter based on the preset third conversion algorithm according to the conversion intermediate parameter and the second conversion parameter, so as to obtain a parameter obtaining request, and then the consumable chip 210 may send the corresponding parameter, i.e., the first conversion parameter 2112 and/or the consumable characteristic parameter 2111, to the image forming apparatus 230 based on the parameter obtaining request.
Further, the preset third conversion algorithm and the preset fourth conversion algorithm may be inverse operations with each other, for example, the preset fourth conversion algorithm is the preset first encryption algorithm, and the preset third conversion algorithm is the decryption algorithm corresponding to the preset first encryption algorithm. The conversion intermediate parameter may be a parameter generated by the first random number and the second random number through a certain operation (preset second conversion algorithm), for example, the preset second conversion algorithm may be an algorithm corresponding to an operation such as addition, multiplication, or the like, and of course, other algorithms may also be adopted, which is not limited in this embodiment of the present application.
Specifically, for example, if the fourth conversion algorithm is preset as the first encryption algorithm, the image forming apparatus 230 and the consumable chip 210 both need to generate a first communication key according to the first random number, the second random number and the first encryption algorithm, and then the image forming apparatus 230 encrypts the parameter obtaining request according to the first communication key to obtain the encrypted parameter obtaining request, and the consumable chip 210 decrypts the parameter obtaining request according to the first communication key, so as to output the first conversion parameter 2112 and/or the consumable characteristic parameter 2111 to the image forming apparatus 230 according to the decrypted parameter obtaining request.
In this embodiment, a chip control unit 212 of the consumable core 210 generates a first conversion parameter and a consumable characteristic parameter stored therein to the image forming apparatus 230 according to a converted parameter obtaining request from the image forming apparatus 230, wherein the consumable characteristic parameter is a parameter describing consumable attribute information of the consumable chip, the first conversion parameter is used to determine an imaging control parameter according to a preset first conversion algorithm by combining with the consumable characteristic parameter, so that the image forming apparatus can determine whether to use the consumable for imaging according to the imaging control parameter, thereby implementing automatic matching of the consumable, and convert the imaging control parameter in the consumable chip into the first conversion parameter, thereby preventing the imaging control parameter from being directly obtained even if the data of the consumable chip is intercepted, improving the security of data communication, and further improving the security of printing by the image forming apparatus, the life and printing quality of the image forming apparatus are ensured.
Fig. 5 is a schematic structural diagram of an image forming apparatus according to an embodiment of the present disclosure, as shown in fig. 5, a consumable 220 is detachably mounted on the image forming apparatus 230, a consumable chip 210 is detachably mounted on the consumable 220, and the image forming apparatus 230 includes an image forming control unit 231.
The image forming control unit 231 is configured to obtain consumable characteristic parameters 2111 used for characterizing consumable attribute information and stored in the consumable chip 210, and first conversion parameters 2112 corresponding to imaging control parameters of the image forming apparatus 230; acquiring imaging control parameters of the image forming device 230 according to a preset first conversion algorithm according to the consumable characteristic parameters 2111 and the first conversion parameters 2112; whether to use the consumable 220 for imaging is judged according to the imaging control parameters.
The imaging control parameters are converted according to the consumable characteristic parameters 2111 and the first conversion parameters 2112 according to a preset first conversion algorithm, so that the safety of imaging control parameter communication is improved, and the possibility of intercepting the imaging control parameters is reduced.
Optionally, the imaging control parameter includes an environmental parameter corresponding to at least one of a high voltage compensation parameter, a calibration parameter in a color image forming mode, a transfer voltage, and a developing voltage.
Optionally, the image formation control unit 231 is further configured to:
the consumable characteristic parameter 2111 is acquired, and it is determined whether the consumable 220 is suitable for the image forming apparatus 230 based on the consumable characteristic parameter 2111.
Specifically, correspond every image forming device, it all corresponds a series of or a standard consumptive material that can select, after the user changes the consumptive material, whether the consumptive material that needs to judge the user change is one of them standard consumptive material, this application alright with whether the automatic judgement that realizes the consumptive material for standard consumptive material based on consumptive material characteristic parameter 2111.
Optionally, the consumable characteristic parameters 2111 include at least one of a model number, a serial number, and a capacity of the consumable chip 210.
Specifically, the image formation control unit 231 may determine whether the consumable 220 matches the image forming apparatus 230 according to at least one of the parameters of the serial number, capacity, model, and the like of the consumable chip 210, and if not, generate a consumable mismatch prompt message to remind the relevant person that the installed consumable does not match the image forming apparatus, thereby avoiding using the mismatched consumable to perform original image formation and printing, and causing poor image formation or printing effect, even damaging the image forming apparatus.
Optionally, the image formation control unit 231 is further configured to:
and sending a second conversion parameter corresponding to the parameter acquisition request to the consumable chip 210 to acquire the consumable characteristic parameter 2111 and/or the first conversion parameter 2112.
Specifically, the image forming apparatus 230 may generate a parameter obtaining request according to a user control instruction or automatically, and the image forming control unit 231 converts the parameter obtaining request to obtain a second conversion parameter corresponding to the parameter obtaining request, and sends the second conversion parameter to the consumable chip 210, and the consumable chip 210 obtains a corresponding parameter obtaining request based on the second conversion parameter, and sends the consumable characteristic parameter 2111 and/or the first conversion parameter 2112 to the image forming control unit 231 based on the parameter obtaining request.
Optionally, the image formation control unit 231 is further configured to:
generating a parameter acquisition request and a first random number; sending a first random number to the consumable chip; acquiring a second random number sent by the consumable chip; generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number; and generating the second conversion parameter according to a preset fourth conversion algorithm based on the conversion intermediate parameter and the parameter acquisition request.
Fig. 6 is a flowchart of an image formation control method according to an embodiment of the present application, the image formation control method according to the present embodiment being applied to an image forming apparatus to which a consumable is detachably mounted and a consumable chip on which the chip is mounted, the image forming apparatus including an image formation control unit, as shown in fig. 6, the image formation control method including the steps of:
step S501, acquiring consumable characteristic parameters used for representing consumable attribute information and stored in the consumable chip and first conversion parameters corresponding to imaging control parameters of the image forming device through the image forming control unit.
Step S502, determining the imaging control parameters according to a preset first conversion algorithm based on the consumable characteristic parameters and the first conversion parameters through the image forming control unit.
Step S503, determining whether to use the consumable material for imaging according to the imaging control parameters via the image forming control unit.
The image forming control method provided by the embodiment of the application, through first conversion parameters and consumable characteristic parameters, wherein the consumable characteristic parameters are parameters describing consumable attribute information of a consumable chip, the first conversion parameters are used for combining the consumable characteristic parameters according to a preset first conversion algorithm, imaging control parameters are determined, so that an image forming device can judge whether to use the consumable for imaging according to the imaging control parameters, automatic matching of the consumable is realized, the imaging control parameters in the consumable chip are converted into the first conversion parameters, even if the data of the consumable chip are intercepted, the imaging control parameters cannot be directly obtained, the safety of data communication is improved, the printing safety of the image forming device is further improved, and the service life and the printing quality of the image forming device are ensured.
Optionally, the image formation control method further includes:
acquiring, via the image formation control unit, the consumable characteristic parameter, and determining whether the consumable is suitable for the image forming apparatus based on the consumable characteristic parameter.
Optionally, the image formation control method further includes:
sending a second conversion parameter corresponding to a parameter acquisition request to the consumable chip through the image forming control unit; acquiring the consumable characteristic parameter and/or the first conversion parameter via the image formation control unit.
Optionally, the image formation control method further includes:
generating, via the image formation control unit, a parameter acquisition request and a first random number; sending a first random number to the consumable chip, and acquiring a second random number sent by the consumable chip; and generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number, and generating the second conversion parameter according to a preset fourth conversion algorithm based on the conversion intermediate parameter and the parameter acquisition request.
Optionally, after generating the second conversion parameter, the image formation control method further includes:
transmitting the first random number and the second conversion parameter to the consumable chip via the image formation control unit; determining a second random number based on the first random number through the consumable chip, and generating a conversion intermediate parameter based on the first random number and the second random number according to the preset second conversion algorithm; performing conversion processing on the second conversion parameter according to a preset third conversion algorithm based on the conversion intermediate parameter and the second conversion parameter to obtain the parameter acquisition request; and outputting the first conversion parameter and/or the consumable characteristic parameter to the image forming apparatus according to the parameter acquisition request.
Optionally, the consumable characteristic parameter includes at least one of a model number, a serial number, and a capacity of the consumable chip.
Optionally, the imaging control parameter includes at least one of an environmental parameter corresponding to a high voltage compensation parameter, a calibration parameter in a color image forming mode, a transfer voltage, and a developing voltage.
For example, fig. 7 is a flowchart of an image forming control method according to the embodiment shown in fig. 6 of the present application, as shown in fig. 7, the method mainly relates to a printer side and a consumable chip side, a ciphertext of an imaging control parameter encrypted by a key K2 is stored in the consumable chip, the key K2 may be generated according to consumable characteristic parameters such as a chip serial number, a chip model, and a capacity, and the specific process is as follows: the printer sends a random number A1 to the consumable chip; the consumable chip generates a random number A2 according to the random number A1 and returns the random number A2 to the printer; the printer and the consumable chip generate a key K1 according to A1 and A2; the printer encrypts the first request by using the K1 and sends the encrypted first request to the consumable chip; the consumable chip decrypts the encrypted first request by using K1, encrypts consumable characteristic parameters such as the chip model and the serial number based on K1, and sends the encrypted consumable characteristic parameters to the printer; the printer decrypts the encrypted consumable characteristic parameters by using K1 to obtain consumable characteristic parameters such as chip model, serial number and the like, and then the printer generates a key K2 according to the chip model, the serial number and the capacity; the printer encrypts the parameter reading request by using the K1 and sends the parameter reading request to the consumable chip; the consumable chip decrypts the parameter acquisition request based on K1 and sends the encrypted imaging control parameter to the printer; the printer decrypts based on K2 to obtain the imaging control parameter, and verifies based on the imaging control parameter to determine whether the consumable chip or consumable can be matched with the printer.
One embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement an image forming control method provided in any one of embodiments corresponding to fig. 6 to 7 of the present disclosure.
The computer readable storage medium may be, among others, ROM, Random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
The embodiment of this application still provides a consumptive material, includes:
a housing; a developer accommodating portion in the housing for accommodating a developer; and a chip as in any of the above embodiments.
In a possible embodiment, the consumable further comprises:
and a developer conveying member for conveying the developer.
In one possible embodiment, a photosensitive drum;
and a charging roller for charging the photosensitive drum.
The embodiment of the application provides a consumable, include:
a photosensitive drum; a charging roller for charging the photosensitive drum; and a chip as in any of the above embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and system may be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, a division of modules is merely a logical division, and an actual implementation may have another division, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (18)
1. A consumable chip detachably mountable to a consumable detachably mountable on an image forming apparatus, comprising:
the storage unit is used for storing consumable characteristic parameters used for representing consumable attribute information and first conversion parameters corresponding to imaging control parameters of the image forming device, wherein the first conversion parameters are used for determining the imaging control parameters according to a preset first conversion algorithm by combining the consumable characteristic parameters, so that the image forming device judges whether to use the consumables for imaging or not according to the imaging control parameters.
2. The consumable chip of claim 1, further comprising a chip control unit to:
outputting the first conversion parameter and the consumable characteristic parameter to the image forming device so that the image forming device determines the imaging control parameter according to the preset first conversion algorithm based on the first conversion parameter and the consumable characteristic parameter.
3. The consumable chip of claim 1, further comprising a chip control unit to:
receiving a first random number sent by the image forming device and a second conversion parameter corresponding to a parameter acquisition request;
determining a second random number based on the first random number;
generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number;
performing conversion processing on the second conversion parameter according to a preset third conversion algorithm based on the conversion intermediate parameter and the second conversion parameter to obtain the parameter acquisition request;
and outputting the first conversion parameter and/or the consumable characteristic parameter to the image forming device according to the parameter acquisition request.
4. The consumable chip according to any one of claims 1 to 3, wherein the consumable characteristic parameters comprise at least one of a model number, a serial number, a capacity of the consumable chip.
5. The consumable chip of any one of claims 1-3, wherein the imaging control parameters comprise at least one of environmental parameters corresponding to high voltage compensation parameters, calibration parameters in a color image forming mode, transfer voltages and development voltages.
6. An image forming apparatus on which a consumable is detachably mounted, the consumable having a consumable chip detachably mounted thereon, the image forming apparatus comprising an image formation control unit configured to:
acquiring consumable characteristic parameters which are stored in the consumable chip and used for representing consumable attribute information and first conversion parameters corresponding to imaging control parameters of the image forming device;
acquiring imaging control parameters of the image forming device according to the consumable characteristic parameters and the first conversion parameters and a preset first conversion algorithm;
and judging whether the consumable is used for imaging or not according to the imaging control parameters.
7. The image forming apparatus according to claim 6, wherein the image formation control unit is further configured to:
acquiring the consumable characteristic parameters, and determining whether the consumable is suitable for the image forming apparatus based on the consumable characteristic parameters.
8. The image forming apparatus according to claim 6, wherein the image formation control unit is further configured to:
and sending a second conversion parameter corresponding to a parameter acquisition request to the consumable chip to acquire the consumable characteristic parameter and/or the first conversion parameter.
9. The image forming apparatus according to claim 8, wherein the image formation control unit is further configured to:
generating a parameter acquisition request and a first random number;
sending a first random number to the consumable chip;
acquiring a second random number sent by the consumable chip;
generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number;
and generating the second conversion parameter according to a preset fourth conversion algorithm based on the conversion intermediate parameter and the parameter acquisition request.
10. An image formation control method applied to an image forming apparatus to which a consumable is detachably mounted and a consumable chip on which the chip is mounted, the image forming apparatus including an image formation control unit, the method comprising:
acquiring consumable characteristic parameters used for representing consumable attribute information and stored in the consumable chip and first conversion parameters corresponding to imaging control parameters of the image forming device by the image forming control unit;
determining, via the image formation control unit, the imaging control parameter according to a preset first conversion algorithm based on the consumable characteristic parameter, the first conversion parameter;
determining, via the image formation control unit, whether to perform image formation using the consumable part according to the image formation control parameter.
11. The image formation control method according to claim 10, further comprising:
acquiring, via the image formation control unit, the consumable characteristic parameter, and determining whether the consumable is suitable for the image forming apparatus based on the consumable characteristic parameter.
12. The image formation control method according to claim 10, further comprising:
sending a second conversion parameter corresponding to a parameter acquisition request to the consumable chip through the image forming control unit;
acquiring the consumable characteristic parameter and/or the first conversion parameter via the image formation control unit.
13. The image formation control method according to claim 12, further comprising:
generating, via the image formation control unit, a parameter acquisition request and a first random number; sending a first random number to the consumable chip, and acquiring a second random number sent by the consumable chip; and generating a conversion intermediate parameter according to a preset second conversion algorithm based on the first random number and the second random number, and generating the second conversion parameter according to a preset fourth conversion algorithm based on the conversion intermediate parameter and the parameter acquisition request.
14. The image formation control method according to claim 13, further comprising, after generating the second conversion parameter:
transmitting the first random number and the second conversion parameter to the consumable chip via the image formation control unit;
determining a second random number based on the first random number through the consumable chip, and generating a conversion intermediate parameter based on the first random number and the second random number according to the preset second conversion algorithm; performing conversion processing on the second conversion parameter according to a preset third conversion algorithm based on the conversion intermediate parameter and the second conversion parameter to obtain the parameter acquisition request; and outputting the first conversion parameter and/or the consumable characteristic parameter to the image forming apparatus according to the parameter acquisition request.
15. A consumable, comprising:
a housing;
a developer accommodating portion, located within the housing, for accommodating a developer;
and the consumable chip of any one of claims 1-5.
16. The consumable according to claim 15, further comprising:
a developer conveying member for conveying the developer.
17. The consumable according to claim 16, further comprising:
a photosensitive drum;
a charging roller for charging the photosensitive drum.
18. A consumable, characterized in that it comprises:
a photosensitive drum;
a charging roller for charging the photosensitive drum;
and the consumable chip of any one of claims 1-5.
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