JPH06284239A - Image forming device - Google Patents

Abstract

PURPOSE:To facilitate bookbinding processing by storing once transferred data to a storage section and allowing a control section to calculate and discriminate a print page and a position based on a page number after all data are transferred. CONSTITUTION:A control section 1 gives a command of expanding reception data from a reception section 2 to a data expansion section 4, a print section 5 prints out data based on a command by the control section 1 and the expansion section 4, the paper is reversed by a paper turnover section 8 as required to execute double side print. In this case, in order to facilitate bookbinding, all data are stored in a storage section 3 and after all page number is confirmed, the control section 1 obtains the print page and print position and starts printing while specifying in advance the relation between a front side and a rear side of the data paper. Thus, the bookbinding print is automatically attained and the bookbinding processing is facilitated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus such as a copying machine, a printer and a plain paper facsimile which can perform double-sided printing.

[0002]

2. Description of the Related Art FIG. 10 is a perspective view showing a double-sided printed sheet, and symbols P1 and P2 represent pages (the same applies hereinafter). FIG. 11 is a plan view showing a sheet on which a double-page spread is printed (so-called continuous page copying).

For bookbinding printing, a double-sided printing mode and a page continuous shooting mode are used. Conventionally, even when both of them are combined, one or two pages are printed on the table,
It just prints pages 3 and 4 on the back.

[0004]

When double-sided printing is actually performed, it is necessary to bind a large number of pages together.
Further, in the case of bookbinding, the number of sheets may be large and binding may be difficult, and the conventional device cannot handle the problem.

An object of the present invention is to facilitate the bookbinding process,
Another object of the present invention is to provide an image forming apparatus capable of bookbinding with a good finish.

[0006]

In order to achieve the above object, the present invention provides a storage unit for storing image data, a printing unit for printing out the image data, and reversing the paper for printing on both sides of the paper. In an image forming apparatus having a paper reversing unit, the transferred data is once stored in the storage unit, and after all the data is transferred, the printed page and the printing position are calculated from the number of pages and a command is output to the printing unit for bookbinding. It is characterized by having a control unit that enables printing.

In the image forming apparatus, the transferred data is once stored in the storage unit, the print page and the print position are calculated from the designated total number of pages, and a command is output to the print unit to enable bookbinding printing. It is characterized in that it is provided with a control unit.

Further, the image forming apparatus is characterized in that it is provided with a control section for outputting a command to the printing section upon reception of data for four pages to enable bookbinding printing.

Further, it is characterized in that an item-by-item identification code for setting the start page for each item depending on the print content to an odd page or an even page can be inserted.

Further, when the item identification code is inserted, it is possible to print out a predetermined image on a blank page between items.

[0011]

According to the image forming apparatus having the above-described structure, the transferred data is once stored in the storage unit, and after all the data is transferred, the control unit calculates the print page and print position from the number of pages to perform bookbinding printing. To do.

Further, since the transferred data is once stored in the storage unit and the total number of pages is designated in advance, the calculation of the print page and the print position is easy, and the time when the data on either the front or back of the paper is transferred. Bookbinding printing is possible with.

Further, bookbinding printing is performed by the printing unit for each data of four pages.

By inserting the item identification code, the start page of each item can be aligned with either an odd page or an even page.

When the item identification code is inserted, it is possible to output a predetermined image such as a memo field on a blank page between items.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall block diagram of a printer system according to an embodiment of the present invention. 1 is a control unit for controlling the entire printer system, and 2 is a host (various computers / word processors etc.). A receiving unit for receiving data, a storage unit for storing each mode setting data of the user, a data developing unit for developing print data based on the data received by the receiving unit 2, and a data expanding unit for paper 5 A printing unit for printing (printing) the data passed from 4; a paper feeding unit for feeding paper from the paper feeding tray to the printing unit 5;
Reference numeral 7 denotes a remaining paper amount detecting unit for monitoring the remaining amount of paper stored in the paper feeding tray, and 8 denotes taking out the paper printed by the printing unit 5,
A paper reversing unit that reverses the front and back sides for double-sided printing and returns to the printing unit 5, and a paper ejection unit 9 that ejects the paper printed by the printing unit 5 to a paper ejection tray.

The solid lines between the respective parts in FIG. 1 indicate the flow of control signals, the broken lines indicate the flow of data signals, and the alternate long and short dash lines indicate the flow of paper.

When the receiving unit 2 receives the data from the host device, the control unit 1 instructs the data developing unit 4 to develop the data, and the printing unit 5 feeds the paper based on the instructions of the control unit 1 and the data developing unit 4. The sheet sent from the unit 6 is printed out, and the sheet reversing unit 8 inverts the sheet if necessary to perform double-sided printing.

FIG. 2 is a plan view of the paper on which the data of four pages is printed, FIG. 3 is a perspective view of the paper of FIG. 2 folded in the center in two, and FIG. 4 is the paper of the condition of FIG. FIG. 5 is a perspective view showing a state in which the sheets are overlapped so that they come into contact with each other, and FIG. 1, on the surface
Print four or three pages of data on the other side and fold it in half at the center of the page. Bookbinding can be performed by stacking these (FIG. 4).

However, in practice, it is easier to bind the sheets when the outer surface of the sheet is overlapped with the inner surface of another sheet as shown in FIG. In this case, when printing data of 12 pages, for example, it is necessary to know the total number of pages because printing is performed on the paper in a combination as shown in (Table 1).

[0022]

[Table 1]

In order to perform printing as shown in Table 1 on a sheet, all data is once stored in the storage unit 3 (page unit or as it is), and when the total number of pages is determined, the control unit 1 prints a page, Obtain the print position and start printing. The end of data can be judged by a specific code (including combination), input from the panel or time monitoring.

Further, since the relationship between the data and the inner and outer surfaces of the paper can be specified in advance by inputting the total number of pages in advance by inputting a specific code (including combinations) or from the panel, in comparison with the above example. When half the data (the amount of data on the front side or the back side of the paper) is received, printing can be started in the same manner as described above.

In addition, the paper (4
It is also possible to start printing if the data is prepared for each page.

FIG. 6 is a perspective view showing another bookbinding example, and FIG. 7 is a flow chart thereof, which is effective when it is desired to align the start page (odd page, even page) for each item that differs depending on the print content. By inserting a code for identification at the beginning of each item in the
₁ to determine, to insert a blank page P _0, if necessary.

That is, when there is no item identification code
(NO in S1), create (print) the first page as it is (S
2) If there is an item identification code (YES in S1), for example, if the start page setting for each item is an odd page and the first page is an odd page (YES in S3), one page Create eyes (S2). If it is not an odd page (S
(NO of 3), blank page (S4).

Instead of inserting the empty page, a macro function for outputting a predetermined character or image as in the image example of FIG. 9 or a predetermined frame as in the image example of FIG. By enabling the form function that enables internal output, you can easily insert a memo page.

[0029]

As described above, according to the image forming apparatus of the present invention, according to the configuration of claim 1, the control section determines the printing page and the position from the number of pages, so bookbinding printing is automatically performed. This allows the bookbinding process to be facilitated.

According to the structure of the second aspect, by designating the number of pages in advance, it is not necessary to store the entire page and then to determine the printed page and the position.
It is possible to print with the storage capacity of (the amount of data on the front or back of the paper), and by specifying a large amount, it is possible to create a margin for multiple pages after the binding state.

According to the configuration of claim 3, printing can be performed with a small storage capacity (for four pages).

According to the structure of claim 4, by inserting the item identification code, the start page of each item can be set to an odd page or an even page, and the bookbinding image can be improved.

According to the fifth aspect of the present invention, when the item identification code is inserted, the form or macro function can be executed, so that a memo or the like can be automatically inserted.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a printer system according to an embodiment of an image forming apparatus of the present invention.

FIG. 2 is a plan view of a sheet on which data of four pages is printed.

FIG. 3 is a perspective view showing a state in which a sheet on which data of four pages is printed is folded in half at the center.

FIG. 4 is a perspective view showing a state in which the sheets in the state shown in FIG. 3 are bound so that their outer surfaces are in contact with each other.

FIG. 5 is a perspective view of a state in which the outer surface of the sheet is bound with the other inner surface.

FIG. 6 is a perspective view showing another bookbinding state.

FIG. 7 is a flowchart relating to the bookbinding of FIG.

FIG. 8 is a plan view of a sheet showing an image example (macro function) for an empty page.

FIG. 9 is a plan view of a sheet showing an image example (form function) for an empty page.

FIG. 10 is a perspective view showing a double-sided printed sheet.

FIG. 11 is a plan view showing a paper on which pages are continuously shot.

[Explanation of symbols]

1 ... Control unit, 3 ... Storage unit, 5 ... Printing unit, 8 ... Paper reversing unit.

Claims (5)

[Claims] 1. An image forming apparatus having a storage unit for storing image data, a printing unit for printing out image data, and a paper reversing unit for reversing the paper so as to print on both sides of the paper. It is characterized by including a control unit that enables bookbinding printing by storing the data in the storage unit once, and after all the data has been transferred, calculates the print page and print position from the number of pages and outputs a command to the print unit. Image forming apparatus. 2. An image forming apparatus having a storage unit for storing image data, a printing unit for printing out image data, and a paper reversing unit for reversing the paper so as to print on both sides of the paper. An image forming apparatus comprising: a control unit that temporarily stores in a storage unit, calculates a print page and a print position from a designated total number of pages, outputs a command to the print unit, and enables booklet printing. 3. An image forming apparatus having a storage unit for storing image data, a printing unit for printing out image data, and a paper reversing unit for reversing the paper so as to print on both sides of the paper. A command is output to the printing section according to the data,
An image forming apparatus comprising a control unit that enables bookbinding printing. 4. The image forming apparatus according to claim 1, wherein an item identification code for setting a start page for each item according to the print content to an odd page or an even page can be inserted. 5. When the item identification code is inserted,
The image forming apparatus according to claim 4, wherein a predetermined image can be printed out on an empty page between items.