JP2015184948A - printing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a printing system which allows for, even when urgent printing cannot be executed due to lack of printing paper or printing consumables, browsing of the contents of a desired confidential print job with a Web browser of a terminal such as a computer, and thereby enables an alternative performance for browsing printed matter.SOLUTION: A computer 1 of a printing system includes: confidential information transmission means for transmitting confidential information to a printer 2; and a Web browser for displaying display data transmitted from the printer 2. On the other hand, the printer 2 includes: confidential print job storage means for storing confidential print job; confidential print job retrieval means for retrieving, on the basis of the confidential information transmitted from the computer 1, the confidential print job corresponding to the confidential information among confidential print jobs stored in the confidential print job storage means; and display data transmission means for, after the retrieval, converting the confidential print job corresponding to the confidential information to a data format which allows the data to be displayed with a Web browser, and transmitting the data to the computer 1.

Description

  The present invention relates to a printing system having a confidential printing function, a printing apparatus, and a control method thereof.

  2. Description of the Related Art In recent years, a printing system having a confidential printing function in which only a user having confidential information can perform printing for the purpose of improving security related to printing has been known (see Patent Document 1 described later). This confidential printing function sends, for example, a confidential print job (a print job with confidential information added) from a terminal such as a computer to the printing apparatus and stores it in a nonvolatile memory, and inputs confidential information to the printing apparatus and performs confidential processing. This is realized by performing desired printing based on the selection of a print job and a print instruction.

JP 2010-092133 A

  By the way, since the confidential printing function is a function in which one or a plurality of users possessing confidential information print a desired confidential printing job in the printing apparatus, printing paper and printing are performed in the same manner as a printing system that does not have the confidential printing function. If there are no consumables, it is impossible to respond to urgent printing.

  The object of the present invention is to allow a user to browse the contents of a desired confidential print job with a Web browser of a terminal such as a computer even when the printing cannot be performed quickly because there is no printing paper or printing consumables. It is an object of the present invention to provide a printing system, a printing apparatus, and a confidential print job control method that can perform an alternative action.

In order to solve the above problems, the present invention (printing system) includes a terminal and a printing apparatus connected via a communication line, and the terminal includes confidential information transmission means for transmitting confidential information to the printing apparatus. Display means for displaying the display data transmitted from the printing apparatus, the printing apparatus based on the confidential print job storage means for storing a confidential print job and the confidential information transmitted from the terminal. The confidential print job search means for searching for a confidential print job corresponding to the confidential information from the confidential print jobs stored in the confidential print job storage means, and the confidential print job corresponding to the confidential information after the search is displayed. Display data transmission means for converting to a data format that can be displayed by the means and transmitting the data to the terminal.
In addition, the present invention (printing apparatus) stores a confidential print job storage unit that stores a confidential print job and the confidential print job storage unit based on confidential information received from a terminal connected via a communication line. A confidential print job search means for searching for a confidential print job corresponding to the confidential information from among the confidential print jobs, and a confidential print job corresponding to the confidential information after the search by the confidential print job search means can be displayed on the terminal A control unit having display data transmission means for converting the data into a data format and transmitting the data to the terminal.
Further, according to the present invention (a confidential print job control method), a confidential print job storage step for storing a confidential print job, and a confidential print job storage step based on confidential information received from a terminal connected via a communication line. A confidential print job search step for searching for a confidential print job corresponding to the confidential information from among the confidential print jobs that have been performed, and a confidential print job corresponding to the confidential information after the search by the confidential print job search step is displayed on the terminal A display data transmission step of converting the data into a possible data format and transmitting the data to the terminal.

  According to the present invention, even if it is not possible to respond to urgent printing because there is no printing paper or printing consumables, the contents of a desired confidential print job can be viewed with a Web browser of a terminal such as a computer. A printing system, a printing apparatus, and a confidential print job control method capable of performing the above alternative actions can be provided.

It is a block diagram for demonstrating the structure and function regarding confidential printing of a printing system. FIG. 3 is a block diagram for explaining a configuration related to job content browsing of the printing system. 6 is a flowchart for explaining functions related to job content browsing in the printing system. 6 is a flowchart for explaining functions related to job content browsing in the printing system. It is a start screen regarding browsing of job contents. It is a job selection screen related to job content browsing. It is a job-free screen regarding job content browsing. 6 is a flowchart for explaining a function related to a deleted job restoration of the printing system. 6 is a flowchart for explaining a function related to a deleted job restoration of the printing system. It is a work selection screen regarding deleted job restoration. It is a deletion job selection screen regarding deletion job restoration.

  First, the configuration and functions related to confidential printing of the printing system will be described with reference to FIG. Reference numeral 1 in the figure denotes a computer, reference numeral 2 denotes a printing apparatus, and reference numeral 3 denotes a LAN to which both are connected.

  In confidential printing, a data file created by a user using application software such as document creation on the computer 1 is stored in a nonvolatile memory such as an HDD. Then, select confidential printing with the same software and enter the password using the keyboard, or insert the IC card into the IC card reader 1a, import the code, and add the printer command to instruct the confidential information and confidential printing Put the confidential print job in the spooler. Then, the confidential print job is taken out from the spooler, and the confidential print job is transmitted to the printing apparatus 2 through the LAN 3 using a protocol such as LPR.

  The transmission / reception unit 2a of the printing apparatus 2 analyzes the printer command after receiving the confidential print job, executes various commands in the drawing / execution unit 2b based on the analysis result, and generates a confidential print job based on the execution result. Corresponding paper size, resolution, color data such as CMYK, etc. are stored in the image memory 2c, while the confidential print job is stored in the confidential print data storage area of the nonvolatile memory 2d such as HDD, and the name and storage of the confidential print job. The date / time and confidential print information are stored in the header area of the nonvolatile memory 2d.

  When performing confidential printing, the user inputs a password on the operation panel 2e of the printing apparatus 2, or inserts an IC card into the IC card reader 2f to read the code. Accordingly, confidential information is sent to the drawing / execution unit 2b through the panel control unit 2g, and the name of the confidential print job corresponding to the confidential information is displayed on the display unit of the operation panel 2e. Then, the user selects a confidential print job and issues a print instruction using the buttons on the operation panel 2e. As a result, a desired confidential print job is taken out from the confidential print data storage area of the nonvolatile memory 2d by the print control unit 2h and sent to the print engine 2i to perform desired printing.

  Next, a configuration relating to job content browsing will be described with reference to FIG. Reference numeral 1 in the figure denotes a computer, reference numeral 2 denotes a printing apparatus, and reference numeral 3 denotes a LAN to which both are connected. These are the same as the computer 1, the printing apparatus 2 and the LAN 3 shown in FIG. Reference numeral 4 in the figure denotes a tablet computer, and reference numeral 5 denotes a smartphone. Both are connected to the LAN 3 in the same manner as the computer 1.

  The computer 1, the tablet computer 4, and the smartphone 5 are all configured to perform a network function, Internet Explorer (registered trademark), Firefox (registered trademark), Google Chrome (registered trademark), and Safari (registered trademark). Etc. are provided at least.

  In addition to the configuration shown in FIG. 1, the printing apparatus 2 includes a second transmission / reception unit 2j that operates under the control of an HTTP PD (Hyper Text Transfer Protocol Daemon), HTML, JavaScript (registered trademark), and the like, which are described later. Resolution conversion (for example, conversion to 1920 × 1080 dots), color conversion (for example, conversion to RGB) and format for the second non-volatile memory 2k for storing the start screen and the confidential print job extracted from the non-volatile memory 2d A conversion processing unit 2l that performs conversion (for example, conversion to bmp, gif, or tif), a data expansion unit 2m that expands the converted data in the display print data area, and displays the expanded data in a format suitable for the Web browser CGI (SSI) processing unit that converts data for use (for example, HTML data) 2n.

  Next, a function related to job content browsing, that is, a function of browsing the content of a confidential print job with the Web browser of the computer 1, the tablet computer, or the smartphone 5 will be described with reference to FIGS. 3 to 7. Since the functions related to the job content browsing are not different among the computer 1, the tablet computer 4, and the smartphone 5, here, for convenience, a case where the content of the confidential print job is browsed by the Web browser of the computer 1 will be described as an example.

  When browsing the job contents, the user starts up a Web browser of the computer 1 and inputs the IP address of the printing apparatus 2 in the address bar of the Web browser to designate the printing apparatus 2. After the designation, the second transmission / reception unit 2j of the printing apparatus 2 takes out the start screen shown in FIG. 5 from the second nonvolatile memory 2k and transmits it to the Web browser of the computer 1 for display (step of FIG. 3). ST1). The start screen shown in FIG. 5 displayed on the web browser of the computer 1 includes two types of confidential information input, “password input” and “IC card code reading”. After selecting, enter confidential information, and then press the “Next” button. To cancel the entry of confidential information on this start screen, press the “Cancel” button.

  When “Next” is pressed on the start screen, the second transmission / reception unit 2j of the printing apparatus 2 acquires the confidential information transmitted from the computer 1, and the name of the confidential print job corresponding to the confidential information is non-volatile. Whether or not it exists in the header area of the memory 2d, the name of the confidential print job and the storage date and time are obtained, stored in a display format character string, and as shown in FIG. The job selection screen is taken out from the second nonvolatile memory 2k and transmitted to the Web browser of the computer 1 for display (steps ST2 to ST7 in FIG. 3). Since the job selection screen shown in FIG. 6 displayed on the Web browser of the computer 1 includes the name of the confidential print job and the storage date / time, the user selects either of them and presses the “Browse” button. To return from the job selection screen to the start screen, a “return” button is pressed. On the other hand, when there is no job, the no-job screen shown in FIG. 7 is taken out from the second nonvolatile memory 2k and transmitted to the Web browser of the computer 1 for display (step ST8 in FIG. 3). To return from the jobless screen to the start screen, press the “Return” button.

  When the job selection screen is displayed on the Web browser of the computer 1, for example, <! -LISTDISP tag = "INPUT" name = "jobname" ---> A command such as PRINT DISP tag is included in the header area of the non-volatile memory 2d, and the command is set to <INPUT type = " Hidden ”name =“ jobname ”value =“ character string ”> The processing to be replaced with </ INPUT> may be performed by the CGI (SSI) processing unit 2n.

  When “Browse” is pressed on the job selection screen, the second transmission / reception unit 2j of the printing apparatus 2 selects a confidential print job corresponding to the browse request based on the browse request transmitted from the computer 1 in the nonvolatile memory 2d. Acquired from the confidential print data storage area and converted the resolution (for example, converted to 1920 × 1080 dots), color conversion (for example, converted to RGB), and format conversion (for example, converted to bmp, gif, and tif) for the acquired confidential print job. ), Etc., and the converted data is expanded in the display print data area, the expanded data is converted into display data in a format suitable for the Web browser (for example, HTML data), and this is transmitted to the Web browser of the computer 1 Are displayed (steps ST9 to ST14 in FIG. 4). When the content of the confidential print job displayed on the Web browser of the computer 1 covers a plurality of pages, the content of the confidential print job is displayed on the Web browser in units of pages and the “next page” and “previous page” buttons are also displayed. May be displayed so that the user can move pages as appropriate.

  When displaying the content of a confidential print job with the Web browser of the computer 1, for example, <! -A command such as LISTDISP tag = “IMG” src = “jobname”-> is incorporated, and when there is a browsing request, the command is replaced with <IMG src = “jobname0.gif”>. ) It is preferable that the processing is performed by the processing unit 2n. In addition, when the content of the confidential print job displayed on the Web browser of the computer 1 extends over a plurality of pages, when the content of the confidential print job extends over a plurality of pages, the file name such as 0 of jobname 0 is 1, 2, 3,. In this way, the contents of the confidential print job can be displayed on the Web browser in units of pages.

  As described above, the user 1 can browse the contents of the confidential print job stored in the nonvolatile memory 2 d of the printing apparatus 2 with the Web browser of the computer 1. Of course, when the tablet computer 4 and the smartphone 5 are connected to the LAN 3 as shown in FIG. 2, if the confidential information is shared, the content of the confidential print job is transferred to each Web browser by the same procedure as described above. Can be viewed individually or simultaneously.

  Therefore, even if it is not possible to respond to urgent printing because there is no printing paper or printing consumables, an alternative act of browsing printed matter can be performed by browsing the contents of the desired confidential print job with a web browser of a terminal such as a computer. It can be carried out. Further, if the terminal is equipped with a Web browser, the contents of a desired confidential print job can be browsed regardless of the type of the terminal, the type of operation system, and the location. Furthermore, if the confidential information is shared, the contents of the desired confidential print job can be viewed simultaneously on multiple terminals. Therefore, even if a large number of copies are required for a meeting or the like, the printing is not required and printing costs are reduced. This can contribute to savings and cost savings, and can prevent the loss of printed matter.

  The confidential print data storage area of the non-volatile memory 2d of the printing apparatus 2 is the contents of the confidential print job that can be viewed on the Web browser such as the computer 1 and the Web browser is marked with an underline or a circle. If it can be reflected in the confidential print job stored in the file, the confidential print job before printing or before browsing can be crafted.

  Next, referring to FIGS. 8 to 11 and referring to FIGS. 1, 2, 5 and 7 as appropriate, a configuration relating to the deletion job restoration (recovery of a confidential print job after deletion processing) of the printing system is performed. The function will be described.

  The printing system shown in FIG. 1 also has a function that allows a user having confidential information to delete a confidential print job stored in the confidential print data storage area of the nonvolatile memory 2d of the printing apparatus 2. When performing this job deletion, the user inputs a password on the operation panel of the printing apparatus 2, or inserts an IC card into the IC card reader 2f to read the code. Accordingly, confidential information is sent to the drawing / execution unit 2b through the panel control unit 2g, and the name of the confidential print job corresponding to the confidential information is displayed on the display unit of the operation panel 2e. Then, the user selects a confidential print job to be deleted from the operation panel 2e using a button or the like and instructs to delete the confidential print job. As a result, the desired confidential print job is deleted from the confidential print data storage area of the nonvolatile memory 2d. The confidential print job that has been deleted is not completely lost, but is stored in the deleted data storage area or the like of the nonvolatile memory 2d in consideration of the case where it is deleted by mistake.

  When the deleted job is restored, the user starts up the Web browser of the computer 1 and inputs the IP address of the printing apparatus 2 in the address bar of the Web browser to designate the printing apparatus 2 under the configuration shown in FIG. . After the designation, the second transmission / reception unit 2j of the printing apparatus 2 takes out the start screen shown in FIG. 5 from the second nonvolatile memory 2k and transmits it to the Web browser of the computer 1 for display (step of FIG. 8). ST21). The start screen shown in FIG. 5 displayed on the web browser of the computer 1 includes two types of confidential information input, “password input” and “IC card code reading”. After selecting, enter confidential information, and then press the “Next” button. To cancel the entry of confidential information on this start screen, press the “Cancel” button.

  When “Next” is pressed on the start screen, the second transmission / reception unit 2j of the printing apparatus 2 acquires the confidential information transmitted from the computer 1, and displays the work selection screen shown in FIG. It is taken out from the memory 2k and transmitted to the Web browser of the computer 1 for display (steps ST22 and ST23 in FIG. 8). The operation selection screen shown in FIG. 10 displayed on the Web browser of the computer 1 includes two types of operations, “Browse confidential print job” and “Restore deleted job”. Select “Restore” and press the “Next” button. To cancel the work selection on this work selection screen, a “cancel” button is pressed. When “Browse confidential print job” is selected on this work selection screen, the processing of steps ST3 to ST14 shown in FIGS. 3 and 4 is executed.

  When “Restore Deleted Job” is selected on the work selection screen and the “Next” button is pressed, the second transmitting / receiving unit 2j of the printing apparatus deletes the deleted job (deleted) corresponding to the confidential information acquired in Step ST22. It is searched whether or not the processed confidential print job) is in the deletion data storage area or the like of the non-volatile memory 2d. If there is, the name of the deletion job and the date and time of deletion are acquired and formatted into a display format character string. Then, the deletion job selection screen shown in FIG. 11 is taken out from the second nonvolatile memory 2k and transmitted to the Web browser of the computer 1 for display (steps ST24 to ST28 in FIG. 8). Since the deletion job selection screen shown in FIG. 11 displayed on the Web browser of the computer 1 includes the name of the deletion job and the deletion date and time, the user selects either of them and presses the “Restore” button. To return from the delete job selection screen to the work selection screen, a “return” button is pressed. On the other hand, if there is no deletion job, the same deletion jobless screen as that shown in FIG. 7 is taken out from the second nonvolatile memory 2k and transmitted to the Web browser of the computer 1 for display (step ST29 in FIG. 8). To return from the delete jobless screen to the work selection screen, a “return” button is pressed.

  When “restoration” is pressed on the deletion job selection screen, the transmission / reception unit 2a and the second transmission / reception unit 2j of the printing apparatus 2 delete the deletion job corresponding to the restoration request based on the restoration request transmitted from the computer 1 in a nonvolatile manner. The data is acquired from the deleted data storage area or the like of the volatile memory 2d, and is stored again as a confidential print job in the confidential print data storage area of the nonvolatile memory 2d (steps ST30 to ST32 in FIG. 9).

  As described above, the confidential print job deleted by the printing apparatus 2 can be restored by the Web browser of the computer 1 instead of the printing apparatus 2. Of course, when the tablet computer 4 or the smartphone 5 is connected to the LAN 3 as shown in FIG. 2, if the confidential information is shared, the confidential print job restored by the same procedure as described above is restored. (Restoration processing) can be performed individually in each Web browser.

  As mentioned above, although several embodiment of this invention was described, the improvement, change, addition, etc. which do not deviate from the technical idea of this invention are also included in the invention described in the claim, and its equal range. The invention described in the scope of the original claims of the present application will be added below.

[Appendix 1]
A terminal connected via a communication line; and a printing apparatus, wherein the terminal displays confidential information transmitting means for transmitting confidential information to the printing apparatus, and a display for displaying display data transmitted from the printing apparatus. Means for storing a confidential print job, a confidential print job storage unit for storing the confidential print job, and a confidential print job stored in the confidential print job storage unit based on the confidential information transmitted from the terminal. Confidential print job search means for searching for a confidential print job corresponding to the confidential information, and after the search, the confidential print job corresponding to the confidential information is converted into a data format that can be displayed on the display means and transmitted to the terminal. A printing system comprising display data transmission means.

[Appendix 2]
The printing system according to claim 1, wherein the terminal includes a printing device designating unit that designates the printing device by inputting an address on the communication line of the printing device to the display unit.

[Appendix 3]
The terminal includes a browsing request transmission unit that transmits a browsing request regarding a confidential print job selected on the job selection screen displayed on the display unit to the printing apparatus, and the printing apparatus displays a confidential information input screen. A confidential information input screen transmission unit that transmits to the terminal and displays on the display unit, and transmits the job selection screen including at least the name of the confidential print job searched by the confidential print job search unit to the terminal. A job selection screen transmission unit to be displayed on the display unit, and the display data transmission unit of the printing apparatus converts a confidential print job corresponding to a browsing request from the terminal into a data format that can be displayed on the display unit. The printing system according to appendix 1 or 2, wherein the printing system is configured to transmit to the terminal.

[Appendix 4]
The printing apparatus transmits a jobless screen to the terminal and causes the display unit to display the jobless screen when there is no confidential print job corresponding to the confidential information even if the confidential print job search unit searches. The printing system according to any one of appendices 1 to 3, further comprising:

[Appendix 5]
The terminal includes a restoration request transmission unit that transmits a restoration request related to a confidential print job selected on the deletion job selection screen displayed on the display unit to the printing apparatus, and the printing apparatus stores the confidential print job storage unit. Corresponding to the confidential information out of the confidential print job stored in the deleted job storage means based on the confidential information transmitted from the terminal, and the deleted job storage means for storing the confidential print job deleted from Delete job search means for searching for a confidential print job, and a delete job selection screen for transmitting the delete job selection screen including at least the name of the confidential print job corresponding to the confidential information after the search to the terminal for display on the display means A confidential print job corresponding to a restoration request from the transmission unit and the terminal is transmitted from the deleted job storage unit to the confidential print. The system according to ® and a blanking delete job restoring means re-stored in the storage means, any one of Appendices 1 to 4, wherein a.

[Appendix 6]
The printing apparatus transmits a screen without a deletion job that causes the display unit to display a deletion job no screen when there is no confidential print job corresponding to the confidential information even if the deletion job search unit searches. The printing system according to claim 5, further comprising: means.

[Appendix 7]
Confidential print job storage means for storing a confidential print job, and the confidential information from among confidential print jobs stored in the confidential print job storage means based on confidential information received from a terminal connected via a communication line A confidential print job search means for searching for a confidential print job corresponding to the above, and a confidential print job corresponding to the confidential information after the search by the confidential print job search means is converted into a data format that can be displayed on the terminal and transmitted to the terminal A display device comprising: a control unit having display data transmission means.

[Appendix 8]
The control unit further includes job selection screen transmission means for transmitting and displaying a job selection screen including at least the name of the confidential print job searched by the confidential print job search means to the terminal, and the display data transmission means The printing apparatus according to appendix 7, wherein a confidential print job corresponding to a browsing request from the terminal is converted into a data format that can be displayed on the terminal and transmitted to the terminal.

[Appendix 9]
The control unit is further stored in the deletion job storage unit that stores the confidential print job deleted from the confidential print job storage unit, and in the deletion job storage unit based on the confidential information transmitted from the terminal. Delete job search means for searching a confidential print job corresponding to the confidential information from among the confidential print jobs, and a delete job selection screen including at least the name of the confidential print job corresponding to the confidential information after the search by the delete job search means Delete job selection screen transmission means for sending and displaying the message to the terminal, and delete job restoring means for re-storing the confidential print job corresponding to the restoration request from the terminal from the deleted job saving means to the confidential print job saving means The printing apparatus according to appendix 7 or 8, characterized by comprising:

[Appendix 10]
A confidential print job storage step for storing a confidential print job, and a confidential print job stored in the confidential print job storage step based on confidential information received from a terminal connected via a communication line. A confidential print job search step for searching for a corresponding confidential print job, a display for converting a confidential print job corresponding to the confidential information into a data format that can be displayed on the terminal after the search by the confidential print job search step, and transmitting to the terminal A confidential print job control method comprising: a data transmission step.

  The present invention can be widely used in a printing system provided with a terminal such as a computer and a printing apparatus connected via a communication line such as a LAN.

  DESCRIPTION OF SYMBOLS 1 ... Computer, 1a ... Card reader, 2 ... Printing apparatus, 2a ... Transmission / reception part, 2b ... Drawing / execution part, 2c ... Image memory, 2d ... Non-volatile memory, 2e ... Operation panel, 2f ... Card reader, 2g ... Panel Control unit, 2h ... print control unit, 2i ... print engine, 2j ... second transmission / reception unit, 2k ... second non-volatile memory, 2l ... conversion processing unit, 2m ... data development unit, 2n ... CGI (SSI) processing Part, 3 ... LAN, 4 ... tablet computer, 5 ... smart phone.

Claims (10)

Comprising a terminal and a printing device connected via a communication line;
The terminal includes confidential information transmission means for transmitting confidential information to the printing apparatus, and display means for displaying display data transmitted from the printing apparatus,
The printing apparatus includes: a confidential print job storage unit that stores a confidential print job; and the confidential information stored in the confidential print job storage unit based on the confidential information transmitted from the terminal. Confidential print job search means for searching for a confidential print job corresponding to the above, and display data transmission means for converting the confidential print job corresponding to the confidential information after the search into a data format that can be displayed on the display means and transmitting it to the terminal And a printing system. The terminal includes a printing device designation unit that designates the printing device by inputting an address on the communication line of the printing device to the display unit.
The printing system according to claim 1. The terminal includes a browsing request transmission unit that transmits a browsing request regarding a confidential print job selected on the job selection screen displayed on the display unit to the printing apparatus,
The printing apparatus transmits a confidential information input screen to the terminal and displays the confidential information input screen transmission unit to display on the display unit, and at least the name of the confidential print job searched by the confidential print job search unit. Including a job selection screen transmission unit that transmits the job selection screen to the terminal and causes the display unit to display the job selection screen.
The display data transmission unit of the printing apparatus is configured to convert a confidential print job corresponding to a browsing request from the terminal into a data format that can be displayed on the display unit and transmit the converted data to the terminal.
The printing system according to claim 1, wherein the printing system is a printing system. The printing apparatus transmits a jobless screen to the terminal and causes the display unit to display the jobless screen when there is no confidential print job corresponding to the confidential information even if the confidential print job search unit searches. Comprising
The printing system according to claim 1, wherein the printing system is a printing system. The terminal includes a restoration request transmission unit that transmits a restoration request regarding a confidential print job selected on the deletion job selection screen displayed on the display unit to the printing apparatus,
The printing apparatus includes a deletion job storage unit that stores a confidential print job that has been deleted from the confidential print job storage unit, and a confidential that is stored in the deletion job storage unit based on the confidential information transmitted from the terminal. Delete job search means for searching for a confidential print job corresponding to the confidential information from among the print jobs, and the deleted job selection screen including at least the name of the confidential print job corresponding to the confidential information after the search is transmitted to the terminal. Delete job selection screen transmission means to be displayed on the display means, and delete job restoration means for re-storing the confidential print job corresponding to the restoration request from the terminal from the deletion job saving means to the confidential print job saving means. Prepare
The printing system according to claim 1, wherein the printing system is a printing system. The printing apparatus transmits a screen without a deletion job that causes the display unit to display a deletion job no screen when there is no confidential print job corresponding to the confidential information even if the deletion job search unit searches. With means,
The printing system according to claim 5. A confidential print job storage means for storing a confidential print job;
Confidential print job search for searching for a confidential print job corresponding to the confidential information from confidential print jobs stored in the confidential print job storage means based on confidential information received from a terminal connected via a communication line Means,
A control unit comprising: a display data transmission unit that converts a confidential print job corresponding to the confidential information into a data format that can be displayed on the terminal after the search by the confidential print job search unit, and transmits the converted data to the terminal.
A printing apparatus comprising: The control unit further includes job selection screen transmission means for transmitting to the terminal and displaying a job selection screen including at least the name of the confidential print job searched by the confidential print job search means,
The display data transmission means converts a confidential print job corresponding to a browsing request from the terminal into a data format that can be displayed on the terminal, and transmits the converted data to the terminal.
The printing apparatus according to claim 7. The control unit further includes:
A deletion job storage means for storing a confidential print job deleted from the confidential print job storage means;
A deletion job search means for searching for a confidential print job corresponding to the confidential information from confidential print jobs stored in the deletion job storage means based on the confidential information transmitted from the terminal;
A deletion job selection screen transmission means for transmitting to the terminal and displaying a deletion job selection screen including at least the name of a confidential print job corresponding to the confidential information after the search by the deletion job search means;
Deleting job restoring means for re-storing a confidential print job corresponding to a restoration request from the terminal from the deleted job saving means to the confidential print job saving means,
The printing apparatus according to claim 7, wherein the printing apparatus is a printer. Confidential print job storage process for storing confidential print jobs,
Confidential print job search for searching for a confidential print job corresponding to the confidential information from confidential print jobs stored in the confidential print job storage step based on confidential information received from a terminal connected via a communication line Process,
A display data transmission step of converting a confidential print job corresponding to the confidential information into a data format that can be displayed on the terminal after the search by the confidential print job search step, and transmitting the converted data to the terminal;
A confidential print job control method comprising:

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