JP2023151840A - Cloud print system, printing device, control method, and program - Google Patents

Abstract

To provide a cloud print system that notifies a user that a file in a cloud storage service has been updated since the time of print job registration.SOLUTION: A cloud print system receives a print instruction from a client terminal, acquires, on the basis of reception of the print instruction, a file specified in the print instruction from a cloud storage system, registers a print job using the acquired file, receives an acquisition request of the registered print job from a printing device, and notifies, when a file corresponding to the print job related to the received acquisition request and registered in the cloud storage system has been updated since the time of print job registration, the printing device that has transmitted the acquisition request of the registered print job of information indicating that the file corresponding to the print job has been updated.SELECTED DRAWING: Figure 5

Description

The present invention relates to a cloud print system, a printing device, a control method, and a program.

2. Description of the Related Art Conventionally, it is known that a user performs printing by directly transmitting a print job to a printing apparatus from a client terminal such as a PC (Personal Computer). There is also a cloud print service that executes printing using cloud services provided on the Internet. Furthermore, there are cloud storage services in which a user uses a cloud service provided on the Internet to store and retrieve files from a client terminal such as a PC. In addition, SaaS (Software as a Service), which has a multi-tenant configuration in which multiple customers share and use software resources on the cloud, is known. As one of the functions provided to customers with this multi-tenant SaaS, cloud print function and cloud storage function are provided.

Patent Document 1 discloses that an application server causes a printing machine to print a file selected by a terminal and acquired from storage via a print server.

Japanese Patent Application Publication No. 2020-140439

In Patent Document 1 mentioned above, a print management program of an application server acquires a file selected by a terminal from a cloud storage service, and transmits the acquired file to the cloud print service. In such a configuration, the cloud print service cannot detect updates to files in the cloud storage service. Specifically, the file may have been updated between the time the user issues an instruction to register a print job on the client terminal and the time the user issues an instruction to execute the print job on the printing device. In particular, when a cloud storage service is shared by multiple users, files in the cloud storage service may be updated by a user other than the user who issued the print instruction. Then, if the file in the cloud storage service is updated between the time the user instructs to register a print job and the time the user instructs the printing device to execute the print job, the user may not notice the file update. There is sex. Then, there is a possibility that print job data generated from the file before the update is output.

Therefore, an object of the present invention is to notify the user that the file has been updated, if the file in the cloud storage service has been updated since the print job was registered.

In order to solve the above problems, the present invention provides a cloud print system, which includes a first receiving unit that receives a print instruction from a client terminal, and a file specified by the print instruction based on the reception of the print instruction. an acquisition means for acquiring from a cloud storage system; a registration means for registering a print job using the acquired file; a second reception means for receiving an acquisition request for the registered print job from a printing device; If the print job related to the acquisition request is a file corresponding to the print job registered in the cloud storage system and has been updated since the print job was registered, the print job acquisition request is made. The present invention is characterized by comprising a notification means for notifying the printing device that sent the print job of information indicating that a file corresponding to the print job has been updated.

According to the present invention, if a file in a cloud storage service has been updated since the print job was registered, it is possible to notify the user that the file has been updated.

System configuration diagram of printing system Software configuration diagram of cloud print service Processing sequence for cloud tenant service registration Processing sequence for submitting a print job File update notification processing sequence File update notification message Processing sequence for recreating print job data Processing sequence for different examples of print job submission Message when submitting a print job Hardware configuration diagram of information processing device

DESCRIPTION OF THE PREFERRED EMBODIMENTS The best mode for carrying out the present invention will be described below with reference to the drawings. Note that the following embodiments do not limit the claimed invention. Although a plurality of features are described in the embodiments, not all of these features are essential to the invention, and the plurality of features may be arbitrarily combined. Furthermore, in the accompanying drawings, the same or similar components are designated by the same reference numerals, and redundant description will be omitted.

[System configuration]
FIG. 1 is a diagram for explaining an example of the system configuration of a printing system according to this embodiment.

Client terminals 100a and 100b are located in the same office. The printing device 101 is installed in a shared space such as a shared office or coworking space that can be used based on a contract with a specific company. The cloud print service 102 is a tenant of the cloud print service. The cloud storage service 103 is a tenant of the cloud storage service. The cloud print service 102 and the cloud storage service 103 are managed by the administrator of the office where the client terminals 100a and 100b are located. Note that the cloud print system that provides the cloud print service 102 is not implemented by one server, but may be configured by multiple servers depending on the function, or by multiple devices for processing distribution. It may be composed of. Furthermore, there are no particular limitations on the types of cloud services provided. Similarly, the cloud storage system that provides the cloud storage service 103 does not have to be realized by one server, and there are no particular limitations on the type of cloud service provided.

The client terminals 100a and 100b are client terminals that each submit a print job to the cloud print service 102. Further, the client terminals 100a and 100b are client terminals that respectively store and retrieve files from the cloud storage service 103.

The printing device 101 is a printing device that acquires a print job from the cloud print service 102 and executes printing processing.

Each of the above components is communicably connected via a network. The network is, for example, a LAN such as the Internet, a WAN, a telephone line, a dedicated digital line, or the like. Alternatively, it is a communication network realized by a combination of these.

[Hardware configuration]
FIG. 10 is a diagram illustrating an example of the hardware configuration of the information processing device. The information processing apparatuses in this embodiment include client terminals 100a and 100b. Note that a server computer on which a virtual machine that functions as the cloud print service 102 or the cloud storage service 103 operates is also included in the information processing apparatus.

The information processing device includes a CPU 251 that executes a program stored in a ROM 253, and controls each device comprehensively via an internal bus 256. A RAM 252 , a ROM 253 , a storage device 254 , a network I/F 255 , and an input/output I/F 257 are connected to the internal bus 256 . The input/output I/F 257 includes, for example, a PS/2 (port), a Universal Serial Bus (USB I/F), and an analog or digital display I/F. Through the input/output I/F 257, a keyboard, mouse, CRT, liquid crystal display, etc. (not shown) can be connected to the information processing device. The information processing device communicates via a LAN, an intranet environment, and the Internet using a network I/F 255. Thereby, the information processing apparatus can communicate with network devices and other information processing apparatuses. The CPU 251 performs program execution processing together with the RAM 252 and ROM 253. Furthermore, the CPU 251 can also execute programs for implementing virtualization technology. Further, the CPU 251 performs a process of recording data on a recording medium such as the storage device 254. The storage device 254 functions as an external storage device, and in addition to storing various information, it can also store various system information and processing information in place of the RAM 252.

Furthermore, the printing apparatus 101 of this embodiment can also have a similar hardware configuration of a general information processing apparatus, and may also have a configuration not shown in FIG. 10.

[Software configuration]
FIG. 2 is a diagram for explaining the software configuration of the cloud print service 102. Each functional unit shown in FIG. 2 is not implemented by one server, but may be configured by multiple servers depending on the function, or configured by multiple devices for processing distribution. Good too.

The Web UI control unit 200 controls the Web UI through which a user operates the cloud print service using HTTP from the client terminals 100a, 100b, the printing device 101, or the like. The account management unit 201 manages user accounts of the cloud print service 102 and controls user authentication and authorization.

The cloud storage service control unit 202 analyzes the contents of the user's instructions received from the client terminals 100a, 100b, the printing device 101, etc., and sends a request to the cloud storage service 103. This controls cloud storage service processing.

The print job management unit 203 generates a print job from files received from the client terminals 100a and 100b, the cloud storage service 103, and the like. Further, the print job management unit 203 manages a list by associating generated jobs with their attribute information.

The print job data generation unit 204 performs processing to generate print job data.

[Cloud storage service registration]
FIG. 3 is a diagram for explaining an example of a processing sequence in which a user registers the cloud storage service 103 in the cloud print service 102 in the printing system according to the present embodiment. Although the client terminal 100a is taken as an example, the same processing sequence is applied to the client terminal 100b.

First, in S301, the client terminal 100a transmits a connection request to the cloud print service 102. A connection request is sent by the user using the Web UI client of the client terminal 100a. The account management unit 201 of the cloud print service 102 receives a connection request via the Web UI control unit 200.

In S302, in response to receiving the connection request in S301, the account management unit 201 transmits a connection request response including a user credentials request required in a known authentication/authorization process to the client terminal via the Web UI control unit 200. 100a. For example, a user name and password are used as user credentials required in known authentication and authorization processes.

In S303, the user uses the Web UI client of the client terminal 100a to input user credentials 321 based on the user credentials request included in the connection request response S302. The client terminal 100a then transmits a logon request to the cloud print service 102. The account management unit 201 of the cloud print service 102 receives a logon request via the Web UI control unit 200.

In S304, the account management unit 201 uses the user credential information 321 included in the logon request received in S303 to resolve user authentication and authorization using a known authentication and authorization process. Further, in S304, the account management unit 201 transmits a logon request response to the client terminal 100a via the Web UI control unit 200.

In S305, the client terminal 100a transmits a cloud storage service connection request to the cloud print service 102. A cloud storage service connection request is sent by the user using the Web UI client of the client terminal 100a. The cloud storage service control unit 202 of the cloud print service 102 receives a cloud storage service connection request via the Web UI control unit 200.

In S306, the cloud storage service control unit 202 transmits a cloud storage service connection request response to the client terminal 100a via the Web UI control unit 200 in response to the reception of the cloud storage service connection request in S305. The cloud storage service connection request response includes an endpoint URL request for the cloud storage service 103 and a user credential request required in the known authentication and authorization process. As with the cloud print service 102, for example, a user name and password are used as user credentials required in the known authentication and authorization process.

In S307, the user uses the Web UI client of the client terminal 100a to input the endpoint URL 322 and user qualification information 323 of the cloud storage service 103. The client terminal 100a then transmits a cloud storage service registration request to the cloud print service 102. The cloud storage service control unit 202 of the cloud print service 102 receives a cloud storage service registration request via the Web UI control unit 200.

In S308, the cloud storage service control unit 202 transmits a connection request to the cloud storage service 103 based on the endpoint URL 322 included in the cloud storage service registration request S307.

In S309, the cloud storage service 103 sends a connection request response including a user credential request required in a known authentication and authorization process to the cloud print service 102. The cloud storage service control unit 202 of the cloud print service 102 receives the connection request response. In S310, the cloud print service 102 transmits a logon request including user credential information 323 to the cloud storage service 103 based on the user credential information request included in the connection request response received in S309. Cloud storage service 103 receives the logon request.

In step S<b>311 , the cloud storage service 103 uses the user credential information 323 included in the logon request to resolve user authentication and authorization using a known authentication and authorization process, and sends a logon request response to the cloud print service 102 . The cloud storage service control unit 202 of the cloud print service 102 receives the logon request response.

In S312, the cloud storage service control unit 202 transmits an access token request to the cloud storage service 103. The access token is necessary for the cloud print service 102 to obtain authentication authorization from the cloud storage service 103 without waiting for the input of user credentials 323. The cloud storage service 103 receives the access token request and issues an access token 324.

In S313, the cloud storage service 103 transmits an access token request response including the access token 324 to the cloud print service 102. The cloud storage service control unit 202 of the cloud print service 102 receives the access token request response.

In S314, the account management unit 201 of the cloud print service 102 stores the account of the user operating the client terminal 100a, the endpoint URL 322, and the access token 324 in association with each other. Further, in S314, the cloud storage service control unit 202 transmits a cloud storage service registration request response to the client terminal 100a via the Web UI control unit 200 in response to the cloud storage service connection request S307. In the client terminal 100a that has received the cloud storage service registration request response, the Web UI client notifies the user of the completion of cloud storage service registration.

[Register print job]
FIG. 4 is a diagram for explaining an example of a processing sequence in which a user specifies a file on the cloud storage service 103 and registers a print job in the cloud print service 102 in the printing system according to the present embodiment. Although the client terminal 100a is taken as an example, the same processing sequence is applied to the client terminal 100b. The steps from the connection request in S301 to the logon request response in S304 are the same as those in FIG.

In S401, the client terminal 100a transmits a print start request specifying the cloud storage service 103 to the cloud print service 102. A print start request is sent by the user using the Web UI client of the client terminal 100a. The account management unit 201 of the cloud print service 102 receives a print start request via the Web UI control unit 200. The account management unit 201 acquires an endpoint URL 322 and an access token 324 that are stored in association with the account of the user operating the client terminal 100a.

In S402, the cloud storage service control unit 202 transmits a file list request including the access token 324 to the cloud storage service 103 based on the endpoint URL 322. Cloud storage service 103 receives the file list request. At S403, the cloud storage service 103 uses the access token 324 included in the file list request to resolve the user's authentication and authorization using a known authentication and authorization process. Further, in S403, the cloud storage service 103 transmits a file list request response including the file list 421 to the cloud print service 102. The file list 421 includes a file ID for identifying each file. The file list 421 may include thumbnail images for viewing each file. The cloud storage service control unit 202 of the cloud print service 102 receives the file list request response.

In S404, the cloud storage service control unit 202 transmits a print start request response including the file list 421 for the user to the client terminal 100a. The user uses the Web UI client of the client terminal 100a to select and instruct a file from the file list 421 included in the print start request response.

In S405, the client terminal 100a transmits a print job registration request (print instruction) including the file ID 422 to the cloud print service 102. The cloud storage service control unit 202 of the cloud print service 102 receives a print job registration request via the Web UI control unit 200.

In S406, the cloud storage service control unit 202 transmits a file request including the access token 324 and file ID 422 to the cloud storage service 103 based on the endpoint URL 322. Cloud storage service 103 receives the file request. The cloud storage service 103 uses the access token 324 included in the file request to resolve the user's authentication authorization using a known authentication and authorization process, and uses the file ID 422 to identify the file.

In S407, the cloud storage service 103 transmits a file request response including the specified file 423, file ID 422, and property 424 to the cloud print service 102. The property 424 is a collection of metadata of the file 423, and includes information necessary to detect updates to the file 423, such as version number and update date and time. The cloud storage service control unit 202 of the cloud print service 102 receives the file request response. The print job management unit 203 generates a new print job and stores it in association with a print job ID 425 for identifying the print job. Further, the print job management unit 203 stores the print job data generated by the print job data generation unit 204 from the file 423 in association with the print job ID 425. In addition, the print job management unit 203 stores the endpoint URL 322, file ID 422, and property 424 in association with the print job ID 425. By retaining the property 424, which is the attribute information of the file, it becomes possible to later determine whether the file has been updated.

In S408, the print job management unit 203 transmits a print job registration request response including the print job ID 425 to the client terminal 100a. The client terminal 100a that has received the print job registration request response notifies the user of the completion of print job registration and the print job ID 425 using the Web UI client. By obtaining the print job ID 425, the user can execute the print job from the printing apparatus 101.

An example of a print job management table managed by the print job management unit 203 of the cloud print service 102 is shown. Shown here is part of a table for explaining this embodiment. As explained in the sequence shown in Figure 4, for a print job generated using a file obtained from a cloud storage service, the endpoint URL, file ID, and properties of the cloud storage service are saved in association with the print job ID. Ru. On the other hand, a print job generated using a local file on a client terminal does not have information associated with a cloud storage service, as in the example shown by print job ID J3.

[Update notification when executing print job]
FIG. 5 is a diagram for explaining an example of a processing sequence for notifying a file update when a user operates to execute a print job from the printing apparatus 101 in the printing system according to the present embodiment. The explanation of the sequence starts from the step in which the user completes the logon from the printing apparatus 101 to the cloud print service 102, the trigger operation to start executing a print job, and then specifies and executes a print job.

In S501, the printing apparatus 101 transmits a designated print job execution request (print job acquisition request) including the print job ID 425 to the cloud print service 102. When the user operates the operation panel of the printing apparatus 101 and uses the Web UI client of the printing apparatus 101, a specified print job execution request is transmitted. The print job management unit 203 of the cloud print service 102 receives a specified print job execution request via the Web UI control unit 200. The print job management table is referred to using the print job ID 425 included in the specified print job execution request as a key. If the endpoint URL 322, file ID 422, and property 424 are associated, the account management unit 201 acquires the access token 324 stored in association with the account of the user operating the printing apparatus 101.

In S502, the cloud storage service control unit 202 transmits a file property request including the access token 324 and file ID 422 to the cloud storage service 103 based on the endpoint URL 322. The file ID is information indicating the file corresponding to the print job related to the acquisition request received in S501. Cloud storage service 103 receives the file property request. The cloud storage service 103 uses the access token 324 included in the file property request to resolve the user's authentication authorization using a known authentication and authorization process, and uses the file ID 422 to identify the file. The cloud storage service 103 transmits a file property request response including the specified file property 521 and file ID 422 to the cloud print service 102. If a file update has occurred after the file request response in S407, a difference will occur between the metadata included in the property 521 and the metadata included in the property 424.

In step S503, the cloud storage service control unit 202 of the cloud print service 102 receives the file property request response. The print job management unit 203 acquires information for detecting a file update, such as a version number and update date and time, from the property 521 included in the file property request response, and compares it with the information included in the property 424 .

If there is a difference in the information, in step S504, the print job management unit 203 determines that the file has been updated, and sends a print job registration request response S504 including the print job ID 425 and file update notification 522 to the printing apparatus 101. . If there is no difference in the information, in step S505, the print job management unit 203 determines that the file has not been updated. In step S505, the print job management unit 203 transmits to the printing apparatus 101 a print job registration request response that includes the print job ID 425 and the print job data stored in the print job management table in association with the print job ID 425.

The printing apparatus 101 that has received the print job registration request response in step S504 notifies the user of the file update based on the file update notification 522 using the Web UI client. The user can know that a file has been updated in the cloud storage service 103 since the print job ID 425 was registered. FIG. 6A is an example of a file update notification message displayed on the Web UI client of the printing apparatus 101.

The printing apparatus 101 that has received the print job registration request response in S505 starts outputting the print job data included in the print job registration request response.

Through the process described in FIG. 5, the cloud print service 102 can notify the user that a file has been updated on the cloud storage service 103 after the print job is registered. It is possible to prompt the user to decide whether to output the print job data generated from the file before the update.

[Regenerate print job data]
FIG. 7 illustrates an example of a processing sequence that occurs when a user who has been notified of a file update in response to a print job registration request in S504 operates to recreate print job data in the printing system according to the present embodiment. This is a diagram for The explanation of the sequence starts from S504 print job registration request response.

In the printing apparatus 101 that has received the print job registration request response in S504, the Web UI client notifies the user of the file update based on the file update notification 522, and prompts the user to perform an operation to determine whether or not to recreate the print job data. indicate. FIG. 6B is an example of a message displayed on the Web UI client of the printing apparatus 101 requesting a decision to regenerate print job data. Using the screen shown in FIG. 6(b), the user can instruct to execute a print job based on the updated file, instruct to execute a print job based on the file before update, or instruct to cancel the print job. is possible.

The user requests the cloud print service 102 to recreate the print job data including the print job ID 425 by using the Web UI client of the printing apparatus 101 and operating the message shown in FIG. Send S701.

In step S701, the print job management unit 203 of the cloud print service 102 receives a print job data re-creation request via the Web UI control unit 200. The print job management unit 203 refers to the print job management table using the print job ID 425 included in the print job data re-creation request as a key, and obtains the endpoint URL 322, file ID 422, and property 424. The account management unit 201 acquires an access token 324 that is stored in association with the account of the user who operates the printing apparatus 101.

In S702, the cloud storage service control unit 202 transmits a file request including the access token 324 and file ID 422 to the cloud storage service 103 based on the endpoint URL 322. The cloud storage service 103 receives the file request S702. The access token 324 included in the file request is used to resolve the user's authentication authorization using a known authentication and authorization process, and the file ID 422 is used to identify the file.

In step S703, the cloud storage service 103 transmits a file request response including the specified file 721, file ID 422, and property 722 to the cloud print service 102. The cloud storage service control unit 202 of the cloud print service 102 receives the file request response. The print job management unit 203 associates the print job data generated by the print job data generation unit 204 from the file 721 with the print job ID 425 and updates the print job management table. Furthermore, the print job management unit 203 associates the property 722 with the print job ID 425 and updates the print job management table.

In S704, the print job management unit 203 transmits a print job data re-creation request response including the print job ID 425 and the print job data generated from the file 721 by the print job data generation unit 204 to the client terminal 100a. The printing apparatus 101 that has received the print job data re-creation request response starts outputting the print job data included in the print job data re-creation request response.

Through the process described in FIG. 7, the user can obtain output from the printing apparatus 101 using print job data generated from the file updated on the cloud storage service 103.

[Different examples of print job registration]
FIG. 8 explains an example different from FIG. 4 of a processing sequence in which a user specifies a file on the cloud storage service 103 and registers a print job in the cloud print service 102 in the printing system according to the present embodiment. This is a diagram for Although the client terminal 100a is taken as an example, the same processing sequence is applied to the client terminal 100b. The steps from the connection request in S301 to the print start request in S401 are the same as those in FIG.

In step S<b>401 , the print job management unit 203 of the cloud print service 102 receives a print start request via the Web UI control unit 200 . In step S801, the print job management unit 201 transmits a print start request response including a print job data update necessity notification 821 to the client terminal 100a in response to the print start request specifying the cloud storage service 103. The print job data update necessity notification 821 requests the user to decide whether to update the print job data and print, or print without updating the print job data, when a file is updated in the cloud storage service 103. This is a notice for. The client terminal 100a that has received the print start request response notifies the user of a message based on the print job data update necessity notification 821 using the Web UI client. FIG. 9 is an example of a message based on the print job data update necessity notification 821. Hereinafter, a case will be described in which the user performs an operation to update print job data when a file has been updated in the cloud storage service 103.

In S802, the user uses the Web UI client of the client terminal 100a to send a request to start printing the latest file to the cloud print service 102. The account management unit 201 of the cloud print service 102 receives a request to start printing the latest file via the Web UI control unit 200. The account management unit 201 acquires an endpoint URL 322 and an access token 324 that are stored in association with the account of the user operating the client terminal 100a. In S803, the cloud storage service control unit 202 transmits a file list request similar to the file list request in S402 to the cloud storage service 103.

In step S804, the cloud storage service 103 receives the file list request in step S803, and sends a file list request response similar to the file list request response in step S403 to the cloud print service 102.

In S806, the client terminal 100a transmits a print job registration request including the file ID 422 of the file selected from the file list 421 included in the file list request response in S804 to the cloud print service 102. A print job registration request is sent by the user using the Web UI client of the client terminal 100a. The print job management unit 203 of the cloud print service 102 receives the print job registration request. The print job management unit 203 generates a new print job and stores it in association with a print job ID 822 for identifying the print job. Further, the print job management unit 203 stores the endpoint URL 322 and the file ID 422 in association with the print job ID 822.

In S807, the print job management unit 203 transmits a print job registration request response including the print job ID 822 to the client terminal 100a. In the client terminal 100a that has received the print job registration request response, the Web UI client notifies the user of the completion of print job registration and the print job ID 822. By obtaining the print job ID 822, the user can execute the print job from the printing apparatus 101.

The process performed when the user uses the print job ID 822 to execute a print job from the printing apparatus 101 will be described with reference to FIGS. 5 and 7.

In FIG. 5, in step S501, the print job management unit 203 of the cloud print service 102 receives a designated print job execution request via the Web UI control unit 200. The print job management table is referred to using the print job ID 822 included in the specified print job execution request as a key. At this time, the endpoint URL 322 and file ID 422 are associated with the print job ID 822, but no properties are associated with it. Under this condition, the cloud print service 102 transitions to the process in step S701 of FIG. 7 when a print job data re-creation request is received. Even when the cloud print service 102 receives the file request response in step S703, it continues the migration process without saving the properties.

As described above, in this embodiment, if the file in the cloud storage service has been updated since the print job was registered, the cloud print service 102 notifies the user that the file has been updated. did. This allows the user to understand file updates, and also to issue instructions to execute a print job based on the updated file.

(Other examples)
The present invention also includes devices or systems configured by appropriately combining the embodiments described above, and methods therefor.

Here, the present invention is a device or system that is the main body that executes one or more software (programs) that implements the functions of the embodiments described above. The present invention also includes a method for implementing the above-described embodiments executed by the device or system. Further, the program is supplied to the system or device via a network or various storage media, and the program is read and executed by one or more computers (CPU, MPU, etc.) of the system or device. In other words, the present invention further includes the program itself or various computer-readable storage media storing the program. Further, the present invention can also be realized by a circuit (for example, an ASIC) that realizes the functions of the embodiments described above.

102 Cloud Print Service 103 Cloud Storage Service 202 Cloud Storage Service Control Unit 203 Print Job Management Unit 251 CPU

Claims (9)

It is a cloud print system,
first receiving means for receiving a print instruction from a client terminal;
Acquisition means for acquiring a file specified by the print instruction from a cloud storage system based on reception of the print instruction;
registration means for registering a print job using the acquired file;
a second receiving unit that receives the registered print job acquisition request from the printing device;
If the file corresponding to the print job related to the received acquisition request and registered in the cloud storage system has been updated since the print job was registered, the print job A cloud print system comprising: a notification unit that notifies the printing device that has sent the acquisition request of information indicating that a file corresponding to the print job has been updated. holding means for holding first attribute information of the acquired file;
acquisition means for acquiring second attribute information of a file corresponding to the print job related to the acquisition request based on reception of the acquisition request;
The method further comprises determining means for determining whether the file corresponding to the print job has been updated based on the retained first attribute information and the acquired second attribute information. The cloud print system according to claim 1. 2. The cloud printing system according to claim 1, further comprising a sending unit that sends the print job to the printing device that has sent the print job acquisition request. When it is determined that the file corresponding to the print job related to the received acquisition request has not been updated since the print job was registered, the sending unit transmits the print job to the printing device that has transmitted the print job acquisition request. 4. The cloud print system according to claim 3, wherein the print job is sent to a computer. When the notification unit notifies information indicating that the file of the print job has been updated, the printing device issues an instruction to execute the print job based on the updated file, and an instruction to execute the print job based on the updated file. 2. The cloud print system according to claim 1, further comprising receiving means for receiving any of the print job execution instructions. A printing device,
a receiving unit that receives a print job execution instruction from a user via an operation panel of the printing device;
a transmitting means for transmitting, to a cloud print system, an acquisition request for the print job for which the execution instruction has been accepted;
The file corresponding to the print job related to the transmitted acquisition request and registered in the cloud storage system is updated since the print job was registered in the cloud print system. if the file corresponding to the print job has been updated, receiving means for receiving information from the cloud print system indicating that the file corresponding to the print job has been updated;
A printing apparatus comprising: a notification means for notifying that a file corresponding to the print job has been updated based on the received information. A method for controlling a cloud print system, the method comprising:
a first receiving step of receiving a print instruction from a client terminal;
an acquisition step of acquiring a file specified by the print instruction from a cloud storage system based on receiving the print instruction;
a registration step of registering a print job using the acquired file;
a second receiving step of receiving an acquisition request for the registered print job from the printing device;
If it is determined that the file corresponding to the print job related to the received acquisition request and registered in the cloud storage system has been updated since the print job was registered; A control method comprising: a notification step of notifying the printing device that has transmitted the print job acquisition request of information indicating that the print job file has been updated. A method for controlling a printing device, the method comprising:
a receiving step of receiving an instruction to execute a print job from a user via an operation panel of the printing device;
a sending step of sending an acquisition request for the print job for which the execution instruction has been accepted to the cloud print system;
The file corresponding to the print job related to the transmitted acquisition request and registered in the cloud storage system is updated since the print job was registered in the cloud print system. If the print job has been updated, a receiving step of receiving information from the cloud print system indicating that the file corresponding to the print job has been updated;
A control method comprising the step of notifying that a file corresponding to the print job has been updated based on the received information. A program for causing a printing device to execute a control method,
The control method includes:
a receiving step of receiving an instruction to execute a print job from a user via an operation panel of the printing device;
a sending step of sending an acquisition request for the print job for which the execution instruction has been accepted to the cloud print system;
The file corresponding to the print job related to the transmitted acquisition request and registered in the cloud storage system is updated since the print job was registered in the cloud print system. If the print job has been updated, a receiving step of receiving information from the cloud print system indicating that the file corresponding to the print job has been updated;
A program comprising: a notification step of notifying that a file corresponding to the print job has been updated based on the received information.

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