JP2018069516A - Image formation apparatus, image formation system and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable re-printing without waiting for battery charge of a portable terminal even though the portable terminal runs out the battery in a case where a user wants to perform re-printing after execution of the printing job transmitted from the portable terminal to an image formation apparatus, and suppress reduction in a resource storing job information.SOLUTION: In an image formation system in which an image formation apparatus 3 is connected to a portable terminal 2 via the network N, the portable terminal includes: first communication means; and first transmission control means which transmits job information and charge information containing charge residual amount information of a battery of the portable terminal to the image formation apparatus by the first communication means, the image formation apparatus includes: second communication means; first reception control means which receives the job information and charge information from the portable terminal by the second communication means; storage means which stores the job information; and job information management means which manages storage of the job information to the storage means on the basis of the charge information.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an image forming apparatus, an image forming system, and a program.

In recent years, for example, wireless LAN communication such as Wi-Fi (Wireless Fidelity) or short-range wireless communication such as Bluetooth (registered trademark) is performed on an image forming apparatus such as a multifunction digital multifunction peripheral (MFP). A configuration is known in which print job information is transmitted from a mobile terminal such as a mobile phone or a tablet to execute a job.
When using such a system, a user can install application software developed by the manufacturer of the image forming apparatus in advance in the portable terminal, and perform print setting and job execution using the application software.

  In such an image forming apparatus, as with other image forming apparatuses, security of print data stored in the image forming apparatus is emphasized, and it is not desirable to hold the print data for a long time. Also, since it is assumed that a large number of people submit jobs in the MFP, holding all print data may reduce resources. Therefore, it is desirable to delete the print data immediately after the job is executed.

  On the other hand, if the print data is erased immediately after execution, the job cannot be executed again if printing is interrupted due to a trouble occurring in the image forming apparatus.

  Therefore, in Patent Document 1, when a trouble such as a jam occurs in an image forming apparatus, security is ensured when short-range wireless communication between the mobile terminal and the image forming apparatus is established. And a technique for storing print data for a certain period of time is disclosed. Thereby, even when printing is interrupted due to a trouble or the like, user convenience is ensured.

JP 2010-005877 A

  However, the invention described in Patent Document 1 is targeted at the time of trouble occurrence during printing, and print data has been deleted after printing is completed. Therefore, if it is desired to reprint after printing is completed, it is necessary to retransmit the print data from the portable terminal. However, there is a problem in that reprinting cannot be performed if the mobile terminal is out of battery when trying to retransmit the print data.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and when the user wants to reprint after execution of a job transmitted from the portable terminal to the image forming apparatus, even if the portable terminal is out of battery, the battery charging of the portable terminal is performed. It is an object of the present invention to provide an image forming apparatus, an image forming system, and a program that can be reprinted without waiting for a job and that can suppress a decrease in resources for storing job information.

In order to achieve the above object, an image forming apparatus according to the present invention includes:
In an image forming apparatus connected to a mobile terminal via a communication network,
Communication means for communicating with the portable terminal;
Receiving control means for receiving charging information including job information and remaining charge information of the battery of the portable terminal from the portable terminal by the communication means;
Storage means for storing the job information;
Job information management means for managing storage of the job information in the storage means based on the charging information.

The image forming system according to the present invention includes:
In an image forming system in which an image forming apparatus and a mobile terminal are connected via a communication network,
The portable terminal is
First communication means for communicating with the image forming apparatus;
First transmission control means for transmitting, to the image forming apparatus, charging information including job information and remaining charge information of the battery of the portable terminal by the first communication means;
The image forming apparatus includes:
A second communication means for communicating with the portable terminal;
First reception control means for receiving the job information and the charging information from the portable terminal by the second communication means;
Storage means for storing the job information;
Job information management means for managing storage of the job information in the storage means based on the charging information.

The program in the present invention is:
A communication means for communicating with the mobile terminal;
A storage unit for storing job information, and an image forming apparatus computer comprising:
Receiving control means for receiving charging information including job information and remaining charge information of the battery of the portable terminal from the portable terminal by the communication means;
It is made to function as a job information management means for managing storage of the job information in the storage means based on the charging information.

  According to the present invention, when reprinting is executed after execution of a print job transmitted from the mobile terminal to the image forming apparatus, reprinting is possible without waiting for battery charging of the mobile terminal even if the mobile terminal is out of battery. In addition, it is possible to provide an image forming apparatus, an image forming system, and a program that can suppress a decrease in resources for storing job information.

1 is a diagram illustrating an overall configuration of an image forming system of the present invention. It is a functional block diagram which shows the function structure of a portable terminal. 2 is a functional block diagram illustrating a functional configuration of the image forming apparatus. FIG. It is a flowchart which shows the process sequence of job information management control. It is a figure which shows an example of the reprintable notification screen. It is a flowchart which shows the process sequence of stay time management control. It is a figure which shows an example of the stay time of a job. It is a figure which shows an example of a login selection screen. 6 is a diagram illustrating an example of a reprint setting screen. FIG.

  The best mode for carrying out the present invention will be described below with reference to the drawings. However, the embodiments described below are given various technically preferable limitations for carrying out the present invention, but are not limited thereto.

  As shown in FIG. 1, the image forming system 1 includes a mobile terminal 2 and an image forming apparatus 3. The portable terminal 2 and the image forming apparatus 3 are connected via a network N.

The portable terminal 2 is a portable terminal device used by each user such as a smart device having a wireless communication function, such as a smart phone or a tablet, or a mobile phone, and transmits a print job to the image forming apparatus 3. A print application (hereinafter referred to as a print application) is installed.
The mobile terminal 2 includes a control unit 20, a communication unit 21, a display unit 22, an operation unit 23, and a storage unit 24.

  The control unit 20 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like. The control unit 20 functions as a mobile terminal job management unit 201, a charging information management unit 202, and a mobile terminal information management unit 203 by reading and executing a program stored in the storage unit 24.

  The portable terminal job management unit 201 transmits a print job to the image forming apparatus 3 via the communication unit 21 in response to a request from the operation unit 23.

  The charging information management unit 202 manages charging information. The charging information includes remaining charge information indicating the remaining charge of the battery of the mobile terminal and charge state information indicating whether the mobile terminal 2 is being charged. The charging information management unit 202 transmits charging information to the portable terminal job management unit 201 in response to a request from the portable terminal job management unit 201, and the charging information is transmitted to the image forming apparatus 3 via the communication unit 21.

  The mobile terminal information management unit 203 holds mobile terminal identification information that can specify a mobile terminal. The mobile terminal identification information refers to, for example, a telephone number or a terminal identification number, and the mobile terminal information management unit 203 transmits the mobile terminal identification information to the mobile terminal job management unit 201 in response to a request from the mobile terminal job management unit 201. Then, the mobile terminal identification information is transmitted to the image forming apparatus 3 via the communication unit 21.

  The communication unit 21 transmits a print job, charging information, portable terminal identification information, and the like held by the control unit 20 to the image forming apparatus 3 on the network N. The wireless communication method of the communication unit 21 is assumed to be a wireless local area network (LAN) method such as Wi-Fi (Wireless Fidelity), but is not limited thereto, and a short-range wireless communication method such as Bluetooth is used. May be.

  The display unit 22 includes an LCD (Liquid Crystal Display), an organic EL (Electro luminescence) display, and the like, and displays a display screen such as an operation screen or a notification screen according to display control by the control unit 20.

  The operation unit 23 includes operation keys, a touch panel, and the like. The operation unit 23 generates an operation signal according to these operations by the user and outputs the operation signal to the control unit 20.

  The storage unit 24 stores a program readable by the control unit 20, data necessary for executing the program, and the like. As the storage unit 24, for example, a storage medium such as a hard disk (HDD), an EEPROM (Electrically Erasable Programmable ROM), or a flash memory can be used.

  The image forming apparatus 3 includes a control unit 30, a communication unit 31, a display unit 32, an operation unit 33, a storage unit 34, and an image output unit 35. In the present embodiment, an MFP (Multifunction Peripherals), which is a digital multi-function peripheral in which multiple functions such as a copy function, a printer function, a facsimile function, and a data transmission function to another apparatus are integrated, is used as the image forming apparatus 3. However, the present invention is not limited to this, and may be a copying machine, a printer, a facsimile, or the like.

  The control unit 30 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like. The control unit 30 functions as a job management unit 301, a required job time calculation unit 302, a portable terminal drive time calculation unit 303, and a stay time calculation unit 304 by reading and executing a program stored in the storage unit 34.

  The job management unit 301 receives various types of information sent from the portable terminal 2 via the communication unit 31 and performs overall control of each unit of the image forming apparatus 3 to perform job information management control during reprinting, which will be described later. .

  In response to a request from the job management unit 301, the job required time calculation unit 302 calculates a job completion estimated time JT, which will be described later, and transmits the job completion time JT to the job management unit 301.

  In response to a request from the job management unit 301, the mobile terminal drive time calculation unit 303 calculates a mobile terminal estimated remaining drive time RT, which will be described later, and transmits it to the job management unit 301.

  The stay time calculation unit 304 calculates a stay time S of a job, which will be described later, in response to a request from the job management unit 301 and transmits it to the job management unit 301.

  The communication unit 31 receives the above-described print job, charging information, portable terminal identification information, and the like from the portable terminal 2 on the network N. The wireless communication system of the communication unit 31 is a wireless local area network (LAN) system such as Wi-Fi (Wireless Fidelity), but is not limited thereto, and a short-range wireless communication system such as Bluetooth is used. May be.

  The display unit 32 includes a display device such as an LCD (Liquid Crystal Display), and displays an operation screen indicating the state of the image forming apparatus 3 and the content of an input operation to the touch panel.

  The operation unit 33 includes input devices such as operation keys and a touch panel arranged on the screen of the display unit 32, converts an input operation on these input devices into an operation signal, and outputs the operation signal to the control unit 30.

  The storage unit 34 includes a storage unit such as a DRAM (Dynamic Random Access Memory) or a HDD (Hard Disk Drive), which is a semiconductor memory. The storage unit 34 responds to image data input to the image forming apparatus 3 or a request from the control unit 30. Thus, the print job received from the portable terminal 2 is stored.

The image output unit 35 forms an image based on the image data stored in the storage unit 34 and outputs the image on a sheet in response to a request from the job management unit 301.
Specifically, image formation (not shown) including four sets of exposure units, photosensitive drums, and development units respectively corresponding to color components of C (cyan), M (magenta), Y (yellow), and K (black). An image is formed on the sheet in the unit, and a fixing process for fixing the toner to the sheet by heating and pressurizing the sheet in an image fixing unit (not shown) is performed, and the sheet is discharged from a discharge tray (not shown).

Next, job information management control according to the present embodiment will be described based on the flowchart of FIG.
First, the user uses the print application displayed on the display unit 22 to set printing via the operation unit 23 (step S401). The print setting refers to various settings such as selection of a document to be printed, number of copies to be printed, and selection of paper. When the setting is completed, a job output request is made to the portable terminal job management unit 201 via the operation unit 23. Is sent.

  When the portable terminal job management unit 201 of the portable terminal 2 receives the print job transmission request from the operation unit 23, the portable terminal job management unit 201 transmits a print job to the image forming apparatus 3 via the communication unit 21 as a first transmission control unit (Step S1). S402).

  After completing the transmission of the print job, the mobile terminal job management unit 201 requests the charging information management unit 202 and the mobile terminal information management unit 203 to transmit charging information and mobile terminal identification information. Upon receiving the request, the charging information management unit 202 and the mobile terminal information management unit 203 respectively transmit the charging information and the mobile terminal identification information to the mobile terminal job management unit 201, and the mobile terminal job management unit 201 performs the first transmission. As control means, charging information and portable terminal identification information are transmitted to the image forming apparatus 3 via the communication unit 21 (step S403).

  Here, the portable terminal identification information is the last four digits of the telephone number of the portable terminal. It is assumed that the user has previously registered the mobile terminal identification information using the print application.

  Next, when the job management unit 301 of the image forming apparatus 3 receives a print job from the portable terminal 2 via the communication unit 31 as a first reception control unit, and subsequently receives charging information and portable terminal identification information. Then, a job output request is transmitted to the image output unit 35 as image output means. Upon receiving the request, the image output unit 35 outputs a job (step S404).

  Next, the job management unit 301 functions as a job information management unit, and determines whether the mobile terminal 2 is being charged based on the charging state information (step S405). If the job management unit 301 determines that charging is in progress (step S405: No), the process proceeds to step S415. If the job management unit 301 determines that charging is not being performed (step S405: Yes), the job management unit 301 refers to the remaining charge information and compares the first threshold value A1 and the second threshold value A2.

Here, the first threshold A1 and the second threshold A2 are values set in advance and stored in the storage unit 34 of the image forming apparatus 3, and A1 <A2.
When the remaining charge amount of the mobile terminal 2 is A, the job management unit 301 determines whether A1 <A <A2 is satisfied (step S406). If the job management unit 301 determines that A1 <A <A2 is not satisfied (step S406: No), the process proceeds to step S407.
In step S407, the job management unit 301 determines whether or not A <A1. If it is determined that A <A1 (step S407: Yes), the process proceeds to step S411, but A <A1 is not satisfied. (Step S407: No), the process proceeds to step S415.

  When the job management unit 301 determines that A1 <A <A2 is satisfied (step S406: Yes), the job management unit 301 requests the job required time calculation unit 302 to calculate the estimated job completion time JT and drives the portable terminal. The time calculation unit 303 is requested to calculate the mobile terminal estimated remaining drive time RT.

Upon receiving the request from the job management unit 301, the required job time calculation unit 302 calculates the estimated job completion time JT as a portable terminal drive time calculation unit, and transmits it to the job management unit 301 (step S408).
The estimated job completion time JT is calculated by, for example, calculating the total number of sheets from the number of jobs waiting to be printed at the time of receiving a request and the respective number of copies, and dividing the result by the printing speed of the image forming apparatus. It is a value obtained by correcting such as adding the interval.

When receiving the request from the job management unit 301, the mobile terminal drive time calculation unit 303 performs mobile terminal estimation by multiplying the total continuous standby time of the mobile terminal 2 by the ratio of the remaining charge as mobile terminal drive time calculation means. The remaining drive time RT is calculated and transmitted to the job management unit 301 (step S409).
The total continuous standby time is the time required from the time when the mobile terminal 2 is fully charged until the remaining charge becomes 0 with the mobile terminal 2 activated. The total continuous standby time may be set and stored in advance for each model of the portable terminal by the storage unit 34 of the image forming apparatus 3, or the charging information management unit 202 of the portable terminal 2 forms the image together with the charging information. It may be transmitted to the device 3.

Next, the job management unit 301 compares the job completion estimated time JT with the mobile terminal estimated remaining drive time RT and the user's average job confirmation time CT (step S410).
The average job confirmation time CT is a predetermined time set in advance. For example, an average value of time required from the time when the job is completed until the output result of the job to the image forming apparatus 3 is confirmed. . Such values are set in advance based on statistical data and stored in the storage unit 34.
The job management unit 301 determines whether JT> RT-CT, and if JT> RT-CT is determined (step S410: Yes), that is, the user confirms the job output result after the job is completed. If it is considered that the driving time of the portable terminal 2 is not left, the process proceeds to step S411. If the job management unit 301 determines that JT> RT-CT is not satisfied (step S410: No), the job management unit 301 proceeds to step S415.

  In step S411, the job management unit 301 requests the storage unit 34 to store job information. When the storage unit 34 receives the request, the storage unit 34 stores job information in the HDD or the like as a storage unit.

  Next, the job management unit 301 transmits information indicating that reprinting is possible to the mobile terminal 2 via the communication unit 31 (step S412). When the portable terminal job management unit 201 receives the request via the communication unit 21, a reprintable notification as shown in FIG. 5 is displayed on the display unit 22 (step S413).

  Next, the job management unit 301 requests the stay time calculation unit 304 to calculate the stay time S. The stay time calculation unit 304 starts stay time count control (step S414). The stay time count control will be described later.

  When the stay time count control is finished, the job management unit 301 requests the storage unit 34 to delete the job information. Upon receiving the request, the storage unit 34 deletes the job information stored in the HDD or the like (step S415), and ends the job information management control.

Next, stay time count control will be described with reference to the flowchart of FIG.
In the stay time count control, the stay time S is set to any one of S1, S2, S3, and S4. Note that S1>S2>S3> S4, for example, set as shown in FIG.
The job management unit 301 calculates free space R in the storage unit 34 of the image forming apparatus 3 at the start of stay time count control as free space calculation means, and determines whether the free space R is below a predetermined threshold R1. (Step S601). R1 is set in consideration of the frequency of use of the image forming apparatus, for example, 3-7 GB for a small office (use frequency: low), and 7-15 GB for a large office (use frequency: high). can do. Alternatively, it may be calculated for each image forming apparatus 3 in consideration of the usage frequency of the HDD of the storage unit 34 for the past several days. The threshold value R1 is stored in advance by the storage unit 34 of the image forming apparatus 3.
If the job management unit 301 determines that R <R1 (step S601: Yes), it sets the stay time S to S4 (step S602). If the job management unit 301 determines that R <R1 is not satisfied (step S601: NO), the job management unit 301 proceeds to step S603.

In step S603, the job management unit 301 calculates the distance L between the portable terminal 2 and the image forming apparatus 3 at the start of the stay time count control as a distance calculation unit, and the calculated distance L is less than a predetermined threshold L1. Determine whether or not. The threshold value L1 is stored in advance by the storage unit 34 of the image forming apparatus 3, and is preferably 5 m to 10 m, for example.
If the job management unit 301 determines that L <L1 is satisfied (step S603: Yes), the job management unit 301 determines whether the remaining charge A is A1 <A <A2 (step S604). When the job management unit 301 determines that the remaining charge A is A1 <A <A2 (step S604: Yes), the stay time S is set to S4 (step S605), and the remaining charge A is A1 <A. If it is determined that it is not <A2 (step S604: No), the stay time S is set to S3 (step S606).

If the job management unit 301 determines that L <L1 is not satisfied (step S603: No), the job management unit 301 determines whether the remaining charge A is A1 <A <A2 (step S607). If the job management unit 301 determines that the remaining charge A is A1 <A <A2 (step S607: Yes), the stay management unit 301 sets the stay time S to S2 (step S608). When it is determined that the amount A is not A1 <A <A2 (step S607: No), the stay time S is set to S1 (step S609).
When the setting of the stay time S is completed, the job management unit 301 starts counting the stay time S (step S610).

  Next, the job management unit displays a login selection screen as shown in FIG. 8 on the display unit 32 as a display unit as a reprint setting display control unit (step S611), and confirms the notification sent to the mobile terminal 2. Thus, the user who came to the image forming apparatus 3 can select whether or not to log in.

The job management unit 301 functions as an authentication unit, and determines whether or not the mobile terminal identification information is input from the operation unit 33 as the operation unit, that is, whether or not the user has logged in (step S612). When the job management unit 301 determines that the mobile terminal identification information has not been input (step S612: No), the job management unit 301 determines whether the stay time S has been counted (step S613), and the job management unit 301 determines that it has ended. (Step S613: Yes) The stay time count control is ended, but when it is determined that the stay time count control has not ended (No at Step S613), the process returns to Step S612.
When the job management unit 301 determines that the mobile terminal identification information has been input, that is, logged in (step S612: Yes), the job management unit 301 temporarily stops the stay time S count (step S614).

  Next, the job management unit 301 shifts the display unit 32 to a reprint setting screen as shown in FIG. 9 (step S615). On the reprint setting screen, the user can call up the settings for the previous printing. It is also possible to call up initial settings stored in advance in the storage unit 34.

Subsequently, the job management unit 301 determines whether reprinting has been executed (step S616). If it is determined that reprinting has been executed (step S616: Yes), the stay time count control is terminated.
If the job management unit 301 determines that reprinting has not been executed (step S616: No), it determines whether or not the user has logged out as the authentication unit (step S617), and determines that the user has not logged out (step S617). S617: No), the process returns to step S616, but if it is determined that the user has logged out (step S617: Yes), the stay time S is counted again (step S618).

  Next, the job management unit 301 determines whether or not the stay time S has been counted (step S619). If it is determined that the count has ended (step S619: Yes), the stay time count control is ended. If the job management unit 301 determines that the count has not ended (step S619: No), the process returns to step 612.

  As described above, according to the image forming system according to the present embodiment, when it is determined that the remaining charge of the mobile terminal is lower than the predetermined threshold and the battery is likely to run out during reprinting, By causing the image forming apparatus to store job information, reprinting can be performed without operating the mobile terminal even if the mobile terminal runs out of battery. In addition, since the job information can be appropriately managed based on the remaining charge of the battery, it is possible to suppress a decrease in resources for storing the job information.

  Further, since the remaining charge information of the mobile terminal is the one at the time when the mobile terminal has completed the job information transmission to the image forming apparatus, the estimated remaining drive time of the mobile terminal at the time of reprinting is predicted with higher accuracy. can do.

  Further, since it is determined whether or not the job information stays using the estimated remaining driving time of the mobile terminal, the estimated job completion time, and the average job confirmation time of the user, the accuracy of job information management control can be improved.

  In addition, since the stay time is controlled based on the free capacity of the storage unit 34 of the image forming apparatus, the distance between the portable terminal and the image forming apparatus, and the remaining charge amount, the free capacity of the storage unit 34 is not exceeded. The job information can be stayed at an appropriate time.

  Further, when the mode is changed to the reprintable mode, a reprintable notification is displayed on the portable terminal, so that the user can be notified that reprinting is possible.

  Further, when performing reprinting, the user needs to log in by inputting a portable terminal identification number. This reduces the possibility that other users will mistake the job information or leak information.

  When reprinting is set, the user can call the setting at the previous printing or the default setting. Therefore, the trouble of resetting can be reduced.

  In addition, the stay time count is paused during user login, and the stay time count is resumed when the user logs out without reprinting. .

  Although specific description has been made based on the embodiment according to the present invention, the detailed configuration of each apparatus constituting the image forming apparatus and the detailed operation of each apparatus are within the scope not departing from the gist of the present invention. It can be changed as appropriate.

  For example, in the above embodiment, when the reprintable mode is entered, the reprintable notification is displayed on the mobile terminal. However, the present invention is not limited to this, and reprinting is possible after the job is output. It is also possible to output the effect on paper. Thus, even when the portable terminal is out of battery when the job is completed, the user can be notified.

  In addition, when reprinting is set, a trial job that outputs a part of the job as confirmation of the reprinting setting may be usable. As a result, printing failure due to a setting error can be prevented in advance.

  Note that the stay time S count may be stopped in a situation where image formation cannot be performed due to a jam or the like of the image forming apparatus. Further, in a situation where a job of another user is being stayed, the job management unit 301 may appropriately change the stay time S so that the end of the stay time S does not overlap. By such control, the user can use the reprint mode more reliably without being influenced by an unexpected trouble or the like.

  Moreover, in the said embodiment, although it was set as the structure which includes charge condition information as charge information and changes control by whether it is charging, this is abbreviate | omitted and control is based only on charge remaining amount information. It may be done.

  In addition, the detailed configuration of the image forming apparatus and the portable terminal and the detailed operation of each apparatus can be changed as appropriate without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Image forming system 2 Portable terminal 20 Control part 201 Portable terminal job management part (1st transmission control means)
202 charging information management unit 203 portable terminal information management unit 21 communication unit (first communication means)
22 display unit 23 operation unit 24 storage unit 3 image forming apparatus 30 control unit 301 job management unit (reception control unit, transmission control unit, first reception control unit, job information management unit, distance calculation unit, free capacity calculation unit, Authentication means, reprint setting display control means, test print control means)
302 Job time calculation unit (job time calculation means)
303 mobile terminal drive time calculation unit (mobile terminal drive time calculation means)
304 stay time calculation unit 31 communication unit (communication means, second communication means)
32 Display section (display means)
33 Operation part (operation means)
34 Storage section (storage means)
35 Image output unit (image output means)
N network (communication network)

Claims (19)

In an image forming apparatus connected to a mobile terminal via a communication network,
Communication means for communicating with the portable terminal;
Receiving control means for receiving charging information including job information and remaining charge information of the battery of the portable terminal from the portable terminal by the communication means;
Storage means for storing the job information;
An image forming apparatus comprising: job information management means for managing storage of the job information in the storage means based on the charging information.   The image forming apparatus according to claim 1, wherein the reception control unit receives the charging information when the job information has been transmitted. After the job is completed, the job information is stored in the storage unit, and the completed job has a reprintable mode capable of re-execution,
The job information management unit shifts to the reprintable mode based on a result of comparing the remaining charge amount information with a predetermined threshold, and when the job information management unit does not shift to the reprintable mode, the job information The image forming apparatus according to claim 1, wherein the image forming apparatus is deleted without storing the image in the storage unit. The threshold has a first threshold;
The charging information includes charging state information indicating whether the battery is being charged,
The job information management means determines whether or not the battery is being charged based on the charge state information, and when determining that the battery is not being charged, the remaining charge information is smaller than the first threshold value. The image forming apparatus according to claim 3, wherein the image forming apparatus shifts to the reprintable mode when it is determined. Based on the job information, job required time calculation means for calculating an estimated job required time required from the start of printing of the job to completion thereof;
Mobile terminal drive time calculating means for calculating an estimated remaining drive time of the mobile terminal based on the charging information,
The threshold value has a second threshold value that is larger than the first threshold value;
The job information management means determines whether or not the mobile terminal is being charged based on the charge state information, and if it is determined that the mobile terminal is not being charged, the remaining charge information is less than or equal to the second threshold value. When it is determined that the estimated job required time is greater than or equal to the first threshold value and exceeds a value obtained by subtracting a predetermined time from the estimated remaining drive time, the mode is shifted to the reprintable mode. The image forming apparatus according to claim 4. Distance calculating means for calculating a distance between the portable terminal and the image forming apparatus from position information of the portable terminal;
Free space calculating means for calculating the free capacity of the storage means,
The job information management unit determines a storage time to be stored in the storage unit of the job information in the reprintable mode according to the distance, the free space, and the charging information. 6. The image forming apparatus according to any one of items 1 to 5. 7. The transmission control unit according to claim 3, further comprising: a transmission control unit configured to transmit information indicating that the mobile terminal can be reprinted by the communication unit when the mode is changed to the reprintable mode. The image forming apparatus according to any one of the above. Image output means for executing jobs,
When the job information management unit shifts to the reprintable mode, the job output management unit causes the image output unit to output a sheet displaying information indicating that reprinting is possible to the user after the job is completed. The image forming apparatus according to claim 3, wherein the image forming apparatus is an image forming apparatus. Operation means capable of inputting terminal identification information by which a user can identify the portable terminal;
The image forming apparatus according to claim 3, further comprising: an authentication unit that performs user authentication and logs in based on the terminal identification information input by the operation unit. Display means for displaying a reprint setting screen on which the user can reset the job information;
The image forming apparatus according to claim 9, further comprising: a reprint setting display control unit configured to display the reprint setting screen on the display unit when the authentication unit performs user authentication. The reprint setting display control means includes:
The image forming apparatus according to claim 10, wherein print settings at the time of previous printing are displayed on the reprint setting screen in accordance with a user operation. Image output means for executing a job;
12. The test print control unit that causes the image output unit to output a part of the job of the job information on the reprint setting screen in accordance with a user operation. Image forming apparatus. The job information management means includes:
13. The image forming apparatus according to claim 9, wherein a count of a storage time stored in the storage unit is temporarily stopped while a user is logged in to the image forming apparatus. The job information management means includes:
14. The counting of the storage time stored in the storage unit is resumed when the user logs out from the image forming apparatus without executing reprinting. 15. Image forming apparatus. The job information management means includes:
15. The storage time is controlled so that the end of the storage time stored in the storage unit does not overlap when the storage unit stores a plurality of job information. The image forming apparatus according to one item. The job information management means includes:
The image forming apparatus according to any one of claims 3 to 15, wherein in a situation where the image forming apparatus cannot output a job, the storage time count stored in the storage unit is temporarily stopped. The job information management means includes:
The image forming apparatus according to claim 3, wherein the job information is deleted after reprinting when the mode is changed to the reprintable mode. In an image forming system in which an image forming apparatus and a mobile terminal are connected via a communication network,
The portable terminal is
First communication means for communicating with the image forming apparatus;
First transmission control means for transmitting, to the image forming apparatus, charging information including job information and remaining charge information of the battery of the portable terminal by the first communication means;
The image forming apparatus includes:
A second communication means for communicating with the portable terminal;
First reception control means for receiving the job information and the charging information from the portable terminal by the second communication means;
Storage means for storing the job information;
An image forming system comprising: job information management means for managing storage of the job information in the storage means based on the charging information. A communication means for communicating with the mobile terminal;
A storage unit for storing job information, and an image forming apparatus computer comprising:
Receiving control means for receiving charging information including job information and remaining charge information of the battery of the portable terminal from the portable terminal by the communication means;
A program for functioning as job information management means for managing storage of the job information in the storage means based on the charging information.

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