JP3123602U - Stencil printing machine - Google Patents

Abstract

An object of the present invention is to prevent a user from forgetting to perform a confidential operation after printing is completed, and to prevent the leakage of information by causing the confidential operation to be executed at the next power-up even if the user forgets it.
The control means causes the display means to display instructions “execute confidentiality” and “do not execute confidentiality”. If the contents of the instruction are ignored, the confidential operation is forcibly executed when the apparatus is turned on next time. If “execute secret” is not selected when the confidential version is wound, only the selection to execute the confidential operation is displayed on the display means when the power is turned on next time.
[Selection] Figure 3

Description

  The present invention relates to a stencil printing apparatus, and more particularly to a stencil printing apparatus to which a function for displaying an instruction for prompting a disposal process of an original plate is added when a printing operation is finished while the original plate is wound around a drum.

  The stencil printing machine makes an original plate from original data read by the original reading unit, attaches the original plate to a printing drum, and feeds paper while rotating the drum, thereby sequentially transferring the original data onto the paper. In this way, since the printing unit price per sheet is low, printing can be performed at a lower cost when there are a large number of sheets than when a document is copied.

  In this type of printing machine, even if the power is turned off while the original is still wound on the drum after printing is completed, it is possible to reprint with the same original when the power is turned on next time. A malfunction occurs.

  Therefore, in the past, when the confidential operation (original plate discarding) is instructed by the user's hand after printing is completed, the original plate is peeled off from the drum and discarded at the disposal position. However, when the user intentionally suspends printing temporarily Therefore, confidential processing (original discard operation) was not performed unless there was an instruction from the user. However, it is possible that the user has forgotten the instructions, etc., and when the power is turned on the next time, a third party prints out the plate left on the drum, making it easy to obtain confidential documents and leaking information. Could lead to

  In this regard, Patent Document 1 below discloses the following content as a technique for maintaining confidentiality. After the plate making is finished, the new plate requiring the confidentiality maintenance on the plate cylinder by activating the plate removal unit after removing the used master from the plate cylinder after the plate making is completed. The operation up to the wrapping master is executed, and the subsequent printing operation (including plate printing) is prohibited.

Patent Document 2 below discloses another technique for maintaining confidentiality. This is because the printer driver installed in the host computer selects “Confidential operation” in conjunction with the print data when the “Watermark print” setting item is selected on the print condition setting screen. The operation information is transmitted to the stencil printer, and the stencil printer performs a confidential operation such as discarding the stencil sheet in order to maintain the confidentiality of the document after printing. It is said that confidentiality of documents can be maintained by preventing forgetting to set confidential operations.
JP 2005-35010 A JP 2001-236194 A

  However, the above-mentioned patent document 1 is that if the confidential setting is made after printing, the plate making and printing are prohibited after the confidential operation. Japanese Patent Laid-Open No. 2004-228561 has a content that, when the confidential setting is performed after printing, the confidential operation is continuously performed after the printing is completed.

  As described above, according to the technologies described in the respective patent documents, it is not possible to display the security promotion warning after the printing is completed and to promote security.

  Therefore, the present invention can prevent the user from forgetting to perform the confidential operation after the printing is completed, and even if the user forgets it, the confidential operation is executed at the next power-on to prevent information leakage. An object of the present invention is to provide a stencil printing apparatus which can be used.

In order to achieve the object, the stencil printing machine described in claim 1 includes a control unit that gives an instruction to prompt a confidential operation, and a display unit that performs a display to prompt the confidential operation according to an instruction from the control unit. Features.
The “confidential operation” as used in the present invention refers to a series of operations until the original plate left on the printing drum is peeled off from the drum and discarded.

  The invention of claim 2 is the invention according to claim 1, wherein the instruction contents for prompting confidentiality are “execute secret” and “do not execute confidentiality”, and one of the instruction contents can be selected. It is characterized by this.

The invention of claim 3 is characterized in that, in claim 2, when the instruction content is ignored, the control means controls to perform a confidential operation forcibly at the next power-up of the apparatus. It is a feature.
In the present invention, “when the power is turned on” includes a wake-up state when the power is turned on and the energy saving mode such as roper, sleeve, and shut-off is set according to the time setting.

  The invention of claim 4 is the invention according to claim 2, wherein, when “execute secret” is not selected in the drum on which the confidential version is wound, the control means is set when the original is inserted into the drum or when the power is turned on next time. At the time of raising, a warning message is displayed on the display means, and only the selection for executing the confidential operation is controlled to be displayed.

  According to the aspect of the first aspect, it is possible to prevent the user from forgetting to specify whether or not to execute the confidential operation.

  According to the aspect of the second aspect, in addition to the effect of the first aspect, the user can select whether to make it confidential or not, which is convenient when restarting after a temporary interruption of printing. In addition, by displaying the instruction contents “execute secret” and “do not execute secret”, it is preferable for the user to recognize the importance of the confidential operation.

  According to the third aspect of the present invention, even if the instruction contents are displayed, even if the user forgets to specify or the instruction contents are ignored, the confidential operation is always executed at the next power-on. Therefore, it is suitable for information concealment.

  In the aspect of claim 4, the confidential operation is always performed according to the user's selection.

Hereinafter, the best mode of the present invention will be described with reference to the accompanying drawings.
1 is a block diagram showing a functional configuration of a stencil printing apparatus according to the present invention, FIG. 2 is a side sectional view showing a specific configuration of the stencil printing apparatus, and FIG. 3 is a flowchart showing a procedure of confidential processing in the apparatus.

  In FIG. 1, a stencil printing apparatus 1 includes a plate making mechanism unit 2, a printing mechanism unit 3, a control unit 4, and a panel unit 5 serving as a display unit disposed at an appropriate position on the surface of the casing. .

  The plate making mechanism unit 2 includes a document reading unit 6, a plate making unit 7, and a plate discharging unit 8. The printing mechanism unit 3 holds a stencil sheet made on the surface and supplies a drum unit 10 for supplying ink from the inside to the base sheet, a paper feeding unit 9 for supplying printing paper toward the drum unit 10, and a drum unit 10 Are provided with a press section 11 for sandwiching and feeding printing paper between them, and a paper discharge section 12 for taking in the paper printed via the press section 11 and temporarily stocking it.

  FIG. 2 shows a specific configuration of the apparatus 1. As an outline of the configuration, the plate making mechanism unit 2 is disposed in the upper half of the casing sandwiching the plate cylinder 463 that is a main component of the drum unit 10. The printing mechanism section 3 is disposed in the lower half portion.

  The document reading unit 6 in the plate making mechanism unit 2 includes a line image scanner 427 that is supported by a guide belt 425 on the upper surface of the housing and moves horizontally in the direction of arrow A, and a document placement glass table 429 on which a document is placed. And a cover plate 431 that covers the glass table 429 so as to be openable and closable.

  The line image scanner 427 is guided and driven by a guide belt 425 by a lead pulse motor 426, and scans and moves a predetermined distance from the home position sensor 428 at a predetermined speed below the document placement glass table 429 to optically convert the document image. Thus, it is converted into an electrical signal called a read image signal.

  The read image signal is subjected to a scaling process in the image processing unit in the control unit 4, and this signal is transmitted to the plate making unit 7. In other words, the image processing unit processes the image signal read by the line image scanner 427 into a digital signal suitable for thermal perforation, and takes out one of 151 fixed magnification data stored in the ROM of the control unit 4. A scaling process is performed by setting the data.

  Thus, the speed of the line image scanner 427 on the guide belt 425 can be varied by driving the lead pulse motor 426.

  The plate making unit 7 includes a base paper roll unit 447 that stores a continuous sheet-like heat-sensitive stencil sheet M in a roll form, and a plurality of heating elements 448 arranged linearly in a direction perpendicular to the conveying direction of the stencil sheet M. Thermal print head 449.

  A platen roller 451 and a base paper feed roller 453 arranged to face the thermal print head 449 convey the heat-sensitive stencil sheet M to the plate cylinder 463 side by driving a write pulse motor 452. Then, the heating elements 448 of the thermal print head 449 individually generate heat in accordance with the image signal subjected to the scaling process in the image processing unit 2, so that the heat-sensitive stencil sheet M being transported is converted into a dot matrix type. Thermal perforation is performed to make a plate. Next, the stencil sheet M for one plate after the plate making is cut by the cutter 461 and brought into close contact with the plate cylinder 463 via the base paper clamp part 462, thereby obtaining a printing ready state.

The plate discharging unit 8 includes a plate discharging roller 492 that strips the used stencil sheet M, and a plate discharging box 489 that stores the used stencil sheet M that has been stripped.
The printing mechanism unit 3 takes out the printing paper P one by one from the paper feeding unit 9, passes the ink from the stencil sheet M by the press unit 11 that contacts the drum unit 10, and transfers it to the printing paper P, thereby transferring the stencil plate. Printing is performed, and the operation of placing the printed printing paper P on the paper discharge unit 12 is repeated.

  The drum unit 10 has a porous structure in which a stencil sheet M, one end of which is clamped by a base sheet clamp unit 462 provided on an outer peripheral surface, is rotated in the direction of arrow B around its own central axis. Ink including a squeegee roller 465 and a doctor roller 467 disposed inside the plate cylinder 463 for supplying a predetermined amount of paste-form emulsion ink 468 for stencil printing to the inner surface of the plate cylinder 463. A supply device 469 and an ink bottle 464 that stores emulsion ink 468 for stencil printing are provided, and the press roller 471 of the press unit 11 presses the printing paper P against the plate cylinder 463.

  The paper feeding unit 9 includes a paper feeding table 473 on which the printing paper P is stacked, a paper feeding roller 477 for taking out the printing paper P one by one from the paper feeding table 473, and a printing cylinder P and a press roller 471. And a timing roller 479 for sending out at a predetermined timing.

  The paper discharge unit 12 includes a sheet peeling claw 481 for peeling off the printed printing paper P from the plate cylinder 463, a stacker unit 483 on which the printed printing paper P is placed, and a sheet peeling claw 481. A belt conveyer type paper discharge conveying device 485 that conveys the printing paper P peeled off from the H.463 to the stacker unit 483;

  With the above configuration, the apparatus 1 reads an original and prints on a predetermined number of printing papers using a stencil sheet made based on the read data, and the printing unit price is much higher than the copying unit price. The price can be reduced as the number increases.

  Further, as shown in an enlarged view of a part of FIG. 2, the panel 5 is provided with a display window 20 on the surface in addition to a power switch and various setting buttons for setting the number of sheets.

  The display window 20 is of a touch panel type, and as one of its display functions, an inquiry display as to whether or not to execute confidential processing is performed after the printing work is completed, and the user “executes” or “does not execute”. Can be selected by pressing the button display displayed below.

  FIG. 3 shows the processing procedure. When printing is executed, a dialog box opens in the display window 20 after the print job is completed (steps 1 to 3), and “Are you sure you want to discard the current master” as a protection warning display? Is displayed, and “Execute” and “Do not execute” buttons are displayed at the bottom.

  If the user presses the “execute” button, confidential processing is executed (steps 4 and 7), and the original M after the printing is peeled off from the plate cylinder 463 and discarded in the plate discharge box 489. In addition, following this discarding operation, in order to prevent the ink attached to the plate cylinder 463 from drying, a solid original plate without data is wound around the plate cylinder 463.

  On the other hand, if the user presses the “do not execute” button, or if the power is turned off or left without pressing any button (steps 5, 6, and 8), the device is switched to the low power, sleeve mode after a predetermined time. Or it becomes a shut-off state. In this state, the operation ends with the printable original plate remaining on the plate cylinder as it is (step 9).

  When the power is turned on next time, in this case, the power switch is turned on or the apparatus is ready for printing by a wake-up operation (step 10), and if there is no master on the drum (NO in step 11), If there is a master but confidential processing is being performed (Yes in step 12), the process jumps to the print standby state (step 16).

  On the other hand, when there is a master on the drum and no confidential processing is performed (NO in step 12), the protect warning is displayed (step 13).

  The inquiry display in this case is “Would you like to discard the current master?” This time, there is only a button display of “Execute”, and unless this “Execute” button is pressed, the print standby state is displayed. Therefore, not only the third party but also the user himself can only press down “execute” and discard the original (steps 14 and 15).

  In other words, after the printing is finished, the power is turned off under any condition, or even if the power is left as it is, after the device has shifted to the low power, sleeve, or shut-off state, a new master must be re-executed. Therefore, the confidentiality of the data can be ensured. When the same user performs reprinting in such a state, it is only necessary to scan the same master document again and fetch the data into the apparatus.

  Note that it is possible to set a program that can be reprinted, for example, by specifying the number of extra prints when the `` Do not execute '' button is pressed before the power is turned off or the power is switched to a low power supply. Of course.

It is a block diagram which shows the function structure of a stencil printing apparatus. It is a sectional side view which shows the specific structure of the same stencil printing apparatus. It is a flowchart which shows the procedure of the confidential process in the same apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stencil printing apparatus 2 Plate making mechanism part 3 Printing mechanism part 4 Control part 5 Panel part as a display means 20 Touch panel type display window part

Claims (4)

A stencil printing apparatus comprising: control means for instructing confidential operation; and display means for performing display for prompting confidential operation in accordance with an instruction from the control means. 2. The stencil printing according to claim 1, wherein the instruction contents for prompting confidentiality are “execute confidentiality” and “do not execute confidentiality”, and one of the instruction contents can be selected. apparatus. 3. The stencil printing apparatus according to claim 2, wherein when the content of the instruction is ignored, the control unit performs control so that a confidential operation is forcibly executed when the apparatus is powered on next time. The control means displays a warning message on the display means when the master plate is inserted into the drum or when the power is turned on next time when “execute secret” is not selected for the drum on which the confidential version is wound. The stencil printing apparatus according to claim 2, wherein only the selection for executing the confidential operation is displayed.

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