JP2011096050A - Method, program and apparatus for preparing installer, and installer system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to prepare an application program and an installer for an image forming apparatus and to facilitate also securement of security. <P>SOLUTION: An application preparation part 19 prepares an application program. A transmitting/receiving part 13 transmits the application program to a vender B through a network 17, requests an official code for installation which permits execution in the image forming apparatus C and receives the official code from the vender B. An installer preparation part 23 prepares the installer of the application program by relating the application program to the received official code. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an installer creation method, an installer creation program, an installer creation apparatus, and an installer system. The present invention relates to an installer creation in an image forming apparatus such as a copying machine, a printer, a facsimile machine, and a multi-function peripheral (MFP) having these functions. The present invention relates to a method, an installer creation program, an installer creation apparatus, and an installer system.

  Conventionally, an image forming apparatus selects and conveys paper from a plurality of paper feed stages, and forms a latent image on the surface of a photosensitive drum based on image data read from a document, and the toner is supplied by toner supplied from a toner cassette. A configuration in which a toner image is formed on a latent image, the toner image is transferred from the photosensitive drum to the transport sheet, the toner image is fixed on the sheet by a fixing unit, and discharged is well known. By installing, various functions can be achieved.

  In addition, the image forming apparatus responds to a user's desire or an unexpected event at the time of development, so that an API (which is an interface between the operating system and the application program) can be expanded or changed so that the application program initially provided by the manufacturer can be expanded or changed. application programming interface).

  In addition to this, in the image forming apparatus, by installing, upgrading, and uninstalling the application program, the manufacturer can develop the application program so that the user can easily customize it by expanding or changing the application program. Creation tools (SDK: software development kit) have been provided.

  However, this makes it easier for a malicious developer to create an application program that destroys and leaks information about the image forming apparatus, such as print billing information, password management information, and mail address information. There is a concern that the security of the image forming apparatus is lowered by the installation.

  In order to prevent such a situation, the installation program (so-called installer) for installing the application program can be created only by the manufacturer, and the application program can be installed in the image forming apparatus only by the specific installer created by the manufacturer. There is a device to do.

  On the other hand, although it is possible to create an installer other than the manufacturer, the created installer is inspected by the manufacturer, the license code is issued from the manufacturer, and the license code is installed when installing it on the image forming apparatus. There is also a device to respond by inputting.

  For example, Japanese Patent Application Laid-Open No. 2006-344146 (Patent Document 1) describes an application development program as a patent document that does not reduce the security of the image forming apparatus.

  This patent document 1 is an application development program executed by a computer to create an application program to be executed by an image processing apparatus, and is permitted for each of a plurality of commands prepared in advance in the image processing apparatus. Including a command level list in which levels are associated with each other, a step of acquiring a level key to which a usable permission level is given in advance, a step of accepting an input of a command, and a permission level associated with the input command. Prevents the creation of unauthorized application programs by causing the computer to execute the step of obtaining from the command level list and the step of determining whether the command input from the obtained permission level and level key is valid. It is a thing.

JP 2006-344146 A

  However, as described above, with a mechanism in which only a manufacturer creates a specific installer, a long period is required until the installer is obtained, and the work is difficult.

  In addition, even if the created installer is inspected by the manufacturer to obtain a license code and this license code is input to the image forming apparatus, there is a problem that it takes a period of time and the work becomes complicated. , The installer cannot be easily debugged at the creator, leading to delays in creation.

  On the other hand, in Patent Document 1 described above, the permission level is associated with each of a plurality of commands to prevent the creation of an unauthorized application program, and does not prevent the installation of the unauthorized application program itself, which is a fundamental measure. hard.

  The present invention has been made to solve such a problem, and the user can freely create an application, and it is difficult to create an installer related to an unauthorized application program, and an installer creation method and installer creation that are easy to ensure security. An object is to provide a program, an installer creation device, and an installer system.

  In order to solve such a problem, an installer creation method according to claim 1 of the present invention includes an application creation process for creating an application program to be executed by an image forming apparatus using a predetermined installer creation program, and the application The program is sent to the vendor and an official code request process for requesting an official code for installation that is permitted to be executed on the image forming apparatus, and an installer creation program that creates the official code based on the application program in response to the official code request Using the official code creation and delivery process to be delivered to the user and the installer creation program, the application program is linked to the official code and the application program is installed. And installer creation process to create a Torah, which comprises a.

  The installer creation method according to claim 2 of the present invention is a configuration in which the application creation step creates a temporary installer whose operation is limited to the installer creation program, and the installer creation step creates an installer whose operation is not limited. .

  In the installer creating method according to claim 3 of the present invention, the application creating step creates a temporary installer whose operation function and / or operation period is limited.

  The installer creating method according to claim 4 of the present invention is such that the official code creating and issuing step creates the official code based on the binary value of the application program.

  The installer creation method according to claim 5 of the present invention is a configuration in which the request for the official code for installation in the official code request step and the delivery of the official code in the official code creation and delivery step are performed via a network.

  In the installer creating method according to claim 6 of the present invention, when the installer creating step associates an official code with the application program, the installer creating method checks whether or not the official code is based on the application program. It is.

  An installer creation program according to claim 7 of the present invention provides an application creation process for creating an application program for a computer that creates an installer of an application program to be executed by the image forming apparatus, and the application program is transmitted via a network. The official code request process that requests an official code for installation that is permitted to be executed on the image forming apparatus, and the official code that is created based on the application program in response to the official code request is sent via the network. An official code acquisition process to be acquired and an application program installer created by associating the official code with the application program. And installer creation process, is intended to run.

  An installer creating program according to claim 8 of the present invention is configured such that the application creating process creates a temporary installer whose operation is limited to the installer creating program, and the installer creating process creates the installer excluding the operation limited. is there.

  An installer creating program according to claim 9 of the present invention is configured such that the application creating process creates a temporary installer whose operation function and / or operation period is limited.

  The installer creation program according to claim 10 of the present invention is configured such that the official code creation and acquisition process acquires the official code based on the binary value of the application program.

  An installer creating program according to claim 11 of the present invention is configured such that when the installer creating process associates an official code with the application program, it checks whether the official code is based on the application program.

  According to a twelfth aspect of the present invention, there is provided an installer creating apparatus that inputs a storage unit for storing a predetermined installer creating program and an installer for an application program to be executed by the image forming apparatus from the outside using the installer creating program. The application creation unit created in accordance with the application, and the application program is sent to the vendor via the network to request an installation official code that permits execution on the image forming apparatus, and the application is received upon receiving the installation official code request. Using the transmission / reception unit that receives the official code created based on the program via the network and its installer creation program, the application program is added to the received official code. It is provided and installer creation unit that creates an installer of the application program by associating arm, the.

  The installer creating apparatus according to claim 13 of the present invention is configured such that the application creating unit creates the installer creating program as a temporary installer whose operation is limited, and the installer creating unit creates the installer whose operation is limited. is there.

  An installer creating apparatus according to claim 14 of the present invention is configured such that the application creating unit creates a temporary installer with a limited operation function and / or operation period.

  The installer creating apparatus according to claim 15 of the present invention is configured such that the official code transmitting / receiving unit acquires the official code based on the binary value of the application program.

  The installer creating apparatus according to claim 16 of the present invention is configured such that, when the installer creating unit associates an official code with the application program, the installer creating unit checks whether the official code is based on the application program. It is.

  An installer system according to claim 17 of the present invention is connected to the installer creating apparatus according to any one of claims 12 to 15 and the installer creating apparatus via a network, and forms an image on a sheet based on image data. An image forming apparatus having a forming unit and an official code execution permission determining unit, and the image forming apparatus executes the installer input from the installer creating apparatus via the network in the image forming apparatus. When it is determined that it is permitted, the installer is installed.

  In such an installer creation method and an installer creation program according to claims 1 and 7 of the present invention, an application program to be executed by the image forming apparatus is created, and the application program is sent to a vendor to be used in the image forming apparatus. The user is free to request an official code for installation that permits execution, receive the official code created based on the official code request, and create an installer for the application program by associating the official code with the application program. It is possible to create an application, and it is difficult to create an installer related to an unauthorized application program, and it is easy to ensure security.

  In the installer creation method and the installer creation program according to claims 2 and 8 of the present invention, the application program is created as a temporary installer whose operation is limited, and the installer whose operation is not limited is created. The installer can perform an operation on a trial basis in the image forming apparatus.

  In the installer creation method and the installer creation program according to claims 3 and 9 of the present invention, the provisional installer with a limited operation function and / or operation period is created. Therefore, when the operation is experimentally executed in the image forming apparatus, It is possible to ensure security and to ensure the operation of the installer after the main installation.

  In the installer creation method and the installer creation program according to claims 4 and 10 of the present invention, the official code is created based on the binary value of the application program, so that the official code can be obtained with high accuracy and high speed.

  In the installer creating method according to claim 5 of the present invention, the request and delivery of the installation official code are made via the network, so that the request and delivery of the official code are speeded up and the operability is improved.

  The installer creation method and the installer creation program according to claims 6 and 11 of the present invention check whether or not the official code is based on the application program when associating the official code with the application program. Even if there are multiple official codes, it is easy to prevent errors associated with them.

It is a schematic block diagram which shows the installer system containing the installer preparation apparatus carrying the installer preparation method which concerns on this invention. It is a figure explaining the installer preparation program used with the installer preparation apparatus which concerns on this invention. It is a flowchart explaining operation | movement of the installer preparation apparatus which concerns on this invention with the installer preparation method. 1 is a schematic block diagram illustrating an image forming apparatus according to the present invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The installer creation method and the installer creation program according to the present invention will be described in the course of explaining the installer creation apparatus and the installer system.

  FIG. 1 is a schematic block diagram showing an embodiment of an installer creating apparatus according to the present invention together with an installer system.

  In FIG. 1, an installer creating apparatus A includes a central processing unit (CPU) 1, a read only memory (ROM) 3, a random access memory (RAM) 5, a storage unit 7, an input operation unit 9, a display unit 11, For example, an information processing apparatus (computer) is provided. The information processing apparatus has various configurations other than this, but since it is not a main part of the present invention, description and illustration are omitted.

  The CPU 1 controls the ROM 3, the RAM 5, the storage unit 7, the input operation unit 9, the display unit 11, the transmission / reception unit 13, and others, details of which will be described later.

  The ROM 3 is a memory that stores, for example, a startup operation program of the CPU 1, the RAM 5 is a memory that is used for execution and work by transferring a program associated with the operation of the CPU 1, and the storage unit 7 is an operation program for the installer creating apparatus A. For example, a hard disk storing an installer creation program.

  The installer creation program 15 is a creation tool (SDK) for developing an application program. For example, as shown in FIG. 2, a user customization that is a program body and program parts (including image parts) for creating an application program for a user. A unit (user program) 15a, an SKD providing unit 15b that provides a utility program for creating an application program, and an installer creation tool 15c that creates an installer from the created application program, and constitutes the installer creation program of the present invention is doing.

  In practice, the user customization unit (user program) 15a and the SKD providing unit 15b function as an application program creation tool.

  The SKD providing unit 15b includes a library group 15b1 that stores a communication control program for controlling transmission / reception between the application program created by the user customizing unit 15a and an API, a compiler 15b2 that compiles the created application program, and a created application A debugger 15b3 for debugging the program and a simulator 15b4 for simulating the created application program are provided.

  When the installer creation tool 15c associates an official code to be input with an official code input section 15c1 that takes in an official code to be described later and associates it with the corresponding application program, and whether the official code is based on the application program. It has an official code check unit 15c2 that operates with a check program that checks for identity.

  The official code check unit 15c2, for example, creates a hash value from an application program by a known method, compares this with a hash value attached to the official code as described later, detects a match and a mismatch, In this case, it has a function of checking whether it is an official code corresponding to the application program, that is, an official code corresponding to the same application program.

  Although not shown, the installer creation program 15 is stored and supplied in a storage medium that holds information fixedly, such as an IC card, a flexible disk, an optical disk (MO), a DVD (Digital Versatile Disc), and the like. .

  The input operation unit 9 in FIG. 1 is, for example, a keyboard or a mouse. The input operation unit 9 accepts input of various operations under the control of the CPU 1 and instructs to associate with each other when there are a plurality of application programs and / or official codes. But there is.

  The display unit 11 is a display that displays an operation state of the installer creation apparatus A, and is display-controlled by the CPU 1.

  The transmission / reception unit 13 has a transmission / reception function for transmitting / receiving information to / from a vendor (supplier such as a manufacturer or a dealer) B and an image forming apparatus C, which will be described later, via a known network 17 according to a predetermined protocol Interface.

  The CPU 1 operates the ROM 3, the RAM 5, and the storage unit 7, and functions as an application creation unit 19, a debug unit 21, and an installer creation unit 23 according to the above-described program and also has a function of controlling the transmission / reception unit 13. .

  The application creation unit 19 has a function of creating an application program executed on the image forming apparatus PC using the user customization unit 15a and the SKD providing unit 15b of the installer creation program 15 in accordance with an instruction input from the input operation unit 9. have.

  The application creation unit 19 has a function of creating a temporary installer whose operation is limited, for example, a temporary installer whose operation period is limited to 14 days.

  The debug unit 21 has a function of debugging the created application program using the debugger 15b3 of the SKD providing unit 15b.

  The installer creation unit 23 uses the official code input unit 15c1 and the official code check unit 15c2 of the installer creation tool 15c, and checks whether the entered official code is based on the same application program, as will be described later. In addition, an official code is associated with the application program (temporary installer), and a function of creating an installer (the present installer) excluding the above-described operation limitation is provided.

  The official code check unit 15c2 compares the hash value created by itself from the application program with the hash value attached to the official code, and checks that the code is an official code corresponding to the application program.

  The transmission / reception unit 13 described above transmits an application program to the vendor B via the network 15, requests an installation official code that permits execution on the image forming apparatus C, and receives the official code created based on the application program. It has a function of receiving via the network 15.

  When the vendor B receives a request for the official code for installation from the installer creation apparatus A connected via the network 15 in the information processing apparatus (server), the vendor B checks the application program and can execute it. When it is determined, it has a function of creating an official code based on the binary value of the application program and delivering it to the request side of the installation official code via the network 15.

  The official code is automatically created as information for specifying the application program from a binary value of the application program by a known algorithm, and is different for different application programs.

  When creating the official code, the information processing apparatus (server) B creates a hash value from the application program by the same method as the method of the official code check unit 15c2 described above, and attaches the hash value to the official code. Output).

  Next, the operation of the installer creating apparatus A of the present invention will be briefly described with reference to FIG.

  In accordance with an instruction input from the input operation unit 9, on the information processing apparatus (user) side A, the application creation unit 19 creates a temporary installer for an application program executed on the image forming apparatus C by using the user program 15a ( Application creation process, application creation process), and the created application program is debugged by the debug unit 21 (debug process, debug process).

  The debugged application program is transmitted from the transmission / reception unit 13 to the vendor B via the network 17 to request an installation official code that is permitted to be executed on the image forming apparatus PC (official code requesting process, official code requesting process). .

  When the official code created based on the application program is acquired by the transmission / reception unit 13 via the network 17 (official code creation and delivery process, official code creation and delivery process), the installer creation unit 23 uses the installer creation tool 15c, The received official code is associated with the application program, and an installer of the application program including this is created (installer creation process, installer creation process).

  When creating an installer, the installer creating unit 23 checks whether the official code is based on the application program using a check program, and creates an installer if they are identical (installer creating process, installer creating process). ).

  These main steps constitute the installer creation method and installer creation program 15 of the present invention.

  The installer creating apparatus of the present invention inputs an instruction from the outside using the installer creating program for the storage unit 7 for storing a predetermined installer creating program 15 and an installer for an application program to be executed by the image forming apparatus C. The application creation unit 19 to be created according to the above and the application program is transmitted to the vendor B via the network 17 to request an installation official code that permits execution on the image forming apparatus C, and the installation official code request The transmission / reception unit 13 that receives the official code created based on the application program via the network and the installer creation tool are used to apply the application code to the received official code. Associate ® emission program are provided as the installer creation unit 23 for creating an installer of the application program, the.

  In addition, the application creation unit 19 is created as a temporary installer with a limited operation function and / or operation period of the application program, and the installer creation unit 23 is configured to create an installer excluding the operation limitation.

  Therefore, it is possible to create an application program and an installer on the user side, and the operability is improved.

  In addition, the official code is associated with the application program, and when the application program is changed, the official code cannot be used, and it is difficult to reuse the official code, and it is easy to ensure security.

  In addition, it is possible to perform a test operation in the image forming apparatus C by a temporary installer in a state where security is ensured, and it is possible to ensure security when performing a test operation in the image forming apparatus C. It is also possible to ensure the operation of the installer after the main installation.

  However, in the present invention, the function limitation of the temporary installer is not limited to the operation function and operation period of the application program, and various limiting elements are conceivable.

  Further, since the official code is obtained based on the binary value of the application program, what identifies it for each application program can be obtained with high accuracy and high speed, and it is difficult to reduce the processing capability of the installer creating unit 23.

  Furthermore, when associating an official code with the application program, it is checked whether or not the official code is based on the application program. Therefore, it is easy to prevent an associated error even if there are multiple application programs or official codes. It is.

  Further, the network 17 described above can be implemented by various things such as a Web (World Wide Web) system workflow.

  In the installer creation method and the installer creation program of the present invention, the same effects as described above can be obtained.

  Next, an image forming apparatus C according to the present invention will be described with reference to FIG.

  4, the image forming apparatus C includes an image reading unit 27, a storage unit 29, an operation panel unit 31, a printing unit 33, and a communication unit 35 with a main control unit 25 as a center. Yes. The image forming apparatus C has various configurations other than this, but since it is not a main part of the present invention, description and illustration are omitted.

  The main control unit 25 controls the image reading unit 27, the storage unit 29, the operation panel unit 31, the printing unit 33, the communication unit 35, and others.

  The image reading unit 27 is a known scanner that optically reads an image from, for example, a printed document under the control of the main control unit 25 in the image forming apparatus C, and generates electronic image data by performing filter processing or the like. The generated image data is sequentially stored in the storage unit 29 for each page of the document.

  The storage unit 29 is a readable / writable hard disk (HDD) that stores image data from the image reading unit 27, an operation program of the main control unit 25, and the like.

  The operation panel unit 31 functions as a display unit that displays the operation state of the image forming apparatus C, and also functions as an instruction input unit for selecting a sheet to be printed, executing or canceling printing, and the number of copies to be printed. It is controlled by the main control unit 25.

  Although not shown in the drawing, the printing unit 33 performs secondary feeding of a plurality of paper feed stages on which paper is set and paper that is primarily fed from the paper feed stage, under the control of the main control unit 25. An image forming unit that transfers a toner image formed based on image data, a fixing unit that heats and fixes the sheet on which the toner image is transferred, and the like are formed on a sheet that is secondarily fed.

  The communication unit 35 has a function of inputting an installer from the installer creating apparatus A and outputting it to the main control unit 25 in addition to the above-described image data receiving function under the control of the main control unit 25.

  The main control unit 25 includes a CPU, a working memory unit that stores a startup program for the CPU, and an input / output interface (none of which are shown), and the image reading unit 27, the storage unit 29, and the operation panel unit described above. 31, the printing unit 33, the communication unit 35 and others are controlled, and the following discrimination function is provided.

  That is, the main control unit 25 determines whether or not the official code is permitted to be executed by the image forming apparatus C in accordance with a predetermined criterion for the installer input from the installer creating apparatus A via the communication unit 35. It has a function as a determination unit 37 for determination.

  When the determination unit 37 determines that the official code is permitted to be executed, the main control unit 25 prepares an installation execution environment, stores the installer (application program) in the storage unit 29, and expands the application program at the time of development. Alternatively, it has a function to change control, and thereafter has a function to ensure the operation by the extended or changed application program.

  By the way, as described above, the installer system of the present invention is connected to the installer creating apparatus A and the installer creating apparatus A via the network 17, and forms an image on a sheet based on image data (printing section) 33. And an image forming apparatus C having a determination unit 37 that determines whether or not to execute the official code. The image forming apparatus C receives an official message from the installer creating apparatus A via the network 17. When it is determined that the code is permitted to be executed by the image forming apparatus C, the installer is installed.

  Therefore, in addition to the effects of the installer creating apparatus A described above, the installer can be installed on-line with the security secured from the installer creating apparatus A to the image forming apparatus C, and the operability is improved.

  In the present invention, as indicated by a broken line in FIG. 3, the application program created by the installer creating apparatus A is transmitted to the image forming apparatus C, and debug processing is performed by the image forming apparatus C. A configuration in which an official code request is issued from the installer creating apparatus A is also possible, and the image forming apparatus C may be formed in accordance with this.

1 CPU
3 ROM
5 RAM
7 storage unit 9 input operation unit 11 display unit 13 transmission / reception unit 15 installer creation program 15a user customization unit 15b SKD providing unit 15c installer creation tool (creation tool: SDK)
15b1 library group 15b2 compiler 15b3 debugger 15b4 simulator 15c1 official code input unit 15c2 official code check unit 17 network 19 application creation unit 21 debug unit 23 installer creation unit 25 main control unit 27 image reading unit 29 storage unit 31 operation panel unit 33 printing unit 35 Communication Unit 37 Discrimination Unit A Installer Creation Device (Information Processing Device, Computer)
B Vendor (Information processing device (server)
C Image forming apparatus

Claims (17)

Creating an application program to be executed by the image forming apparatus using a predetermined installer creating program;
Sending an application program to a vendor, and requesting an official code for installation that permits execution on the image forming apparatus;
Receiving an official code request and creating the official code based on the application program and delivering it to the installer creating program side; and
Using the installer creating program, creating an installer for the application program by associating the official code with the application program; and
An installer creation method characterized by comprising:   The installer creating method according to claim 1, wherein the application creating step creates the installer creating program as a temporary installer with operation limited, and the installer creating step creates the installer with the operation limited.   The installer creation method according to claim 2, wherein the application creation step creates the temporary installer with a limited operation function and / or operation period.   The installer creation method according to any one of claims 1 to 3, wherein the official code creation and delivery step creates the official code based on a binary value of the application program.   The installer creation method according to any one of claims 1 to 4, wherein the request for the official code for installation in the official code request step and the delivery of the official code in the official code creation and delivery step are requested and delivered via a network. . The installer creation method according to claim 1, wherein when the official code is associated with the application program, the installer creation step uses a check program to check whether the official code is based on the application program. . For a computer that creates an installer for an application program to be executed by the image forming apparatus,
An application creation process for creating the application program;
An official code request process for sending the application program to a vendor via a network and requesting an official code for installation that permits execution on the image forming apparatus;
Receiving an official code request and obtaining the official code created based on the application program via the network; and
An installer creation process for creating an installer of the application program by associating the official code with the application program;
An installer creation program characterized by causing   8. The installer creation program according to claim 7, wherein the application creation process is created as a temporary installer with the operation limited to the installer creation program, and the installer creation process creates the installer with the operation restriction removed.   The installer creation program according to claim 8, wherein the application creation process creates the temporary installer with a limited operation function and / or operation period.   The installer creation program according to any one of claims 7 to 9, wherein the official code creation / acquisition process obtains the official code based on a binary value of the application program. The installer creation program according to any one of claims 7 to 10, wherein when the official code is associated with the application program, the installer creation process checks whether the official code is based on the application program. A storage unit for storing a predetermined installer creation program;
An application creating unit that creates an installer of an application program to be executed by the image forming apparatus according to an external instruction input using the installer creating program;
The application program is transmitted to a vendor via a network, requesting an installation official code that is permitted to be executed on the image forming apparatus, and created based on the application program in response to the installation official code request A transmission / reception unit for receiving an official code via the network;
An installer creating unit that creates an installer of the application program by associating the application program with the received official code using the installer creating program;
An apparatus for creating an installer, comprising:   13. The installer creating apparatus according to claim 12, wherein the application creating unit creates the installer creating program as a temporary installer with operation limited, and the installer creating unit creates the installer with the operation limited.   14. The installer creating apparatus according to claim 13, wherein the application creating unit creates the temporary installer with a limited operation function and / or operation period.   The installer creating apparatus according to any one of claims 12 to 14, wherein the official code transmission / reception unit acquires the official code based on a binary value of the application program. 16. The installer creating apparatus according to claim 12, wherein when the official code is associated with the application program, the installer creating unit uses a check program to check whether the official code is based on the application program. . The installer creation device according to any one of claims 12 to 15,
An image forming apparatus connected to the installer creating apparatus via a network and having an image forming unit that forms an image on a sheet based on image data and an execution permission determining unit for the official code;
Comprising
The image forming apparatus installs the installer when it is determined that the installer input from the installer creating apparatus via the network is permitted to be executed by the image forming apparatus. Installer system.

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