JPS61251929A - Printing data management system - Google Patents

Abstract

PURPOSE:To perform the trouble processing quickly by reading out data stored in a log file until the stored value of a pointer is equal to that of a trouble line register and transferring data from a prescribed work area to print it thereafter. CONSTITUTION:If a trouble like paper running-out occurs on the way of data printing, printing is stopped, and an attention signal ATTN is outputted from a printer 9 to a printer output control part 6. The controller 6 stores the value stored in a pointer 3 in a trouble line register 4 and stores the start address of the page, where printing is stopped, in the pointer 3 when receiving the signal ATTN. Print data indicated by the pointer 3 is read out from a log file 8 and is printed by the printer 9. After contents of the pointer 3 are equal to contents of the register 4, print data read out from a work area 7 indicated by the pointer 3 is transferred to the printer 9 through a line buffer 5 and is printed normally, and one-page components of data are stored in the file 8.

Description

[Detailed Description of the Invention] [Summary] A work area for storing print data is provided, and when reading the print data stored in a predetermined area within the work area designated by a pointer and transferring it to the print link, Transfer the print data to a log file and store it for at least one page. If a failure occurs in the printer, the contents stored in the pointer will be stored in the failed line register, and the page that was in the middle of printing will be saved. The start address is placed in the pointer, and the print data stored in the log file is sequentially read out until the value stored in the pointer becomes equal to the value stored in the faulty row register, transferred to the printer, and printed. , after they become equal, print data sequentially read from the work area specified by the pointer is transferred to the printer and printed.

[Industrial application field]

The present invention relates to a print data management method for managing print data so that printing can be performed quickly again when a failure occurs during printing.

[Prior Art] Conventionally, when printing characters or the like that have been requested to be printed, print data has been read page by page or line by line and printed.

For example, in the print data management system shown in FIG. 4, print data for, for example, -pages is stored in the consumer file 22 based on a print request instruction from a predetermined consumer output program 21. After this -page worth of print data is stored, the print program 23 is started, and the print data is transferred line by line to the printer 24 for printing, for example.

[Problem that the invention seeks to solve]

In the conventional print data management method as shown in FIG. 4, the printing program cannot be started and printing can be started until one page of print data has been stored in the consumer file 22. There was a problem that there was a lack of

In particular, if a problem such as paper out or jam occurs while -pages of print data are stored in the consumer file 22 and printed, replenish the paper or remove the jammed paper to prevent the problem. Even if you try to print again after removing the page, printing can only be started after -pages worth of print data has been stored in the consumer file 22 again. There were problems in that it became complicated and printing could not be performed quickly.

[Means for solving problems]

The present invention provides a pointer that sequentially reads out print data line by line from a work area where the print data is stored, reads out the print data stored in the area designated by the pointer, stores it sequentially in a line buffer, and stores it in the line buffer. The stored print data is transferred to the printer for printing, and is also transferred to a log file and stored for at least one page.

When receiving a notification from the printer that a failure has occurred such as paper out, firstly, the contents stored in the pointer are stored in the faulty line register, and secondly, the contents of the pointer are stored during printing. Third, the print data sequentially read from the log file is transferred to the printer and printed, until the contents of the pointer become equal to the value stored in the faulty line register. 4, after they are equal, the print data sequentially read from the work area specified by the pointer is transferred to the printer and printed, and at the same time, the print data is transferred to a log file and stored.

FIG. 1 shows a basic configuration diagram of the present invention. In the figure, 1 is the host, 2 is an application program for the user to perform business processing, 3 is a pointer for pointing to the address to read predetermined print data from the work area, and 4 is when a failure occurs such as running out of paper. 5 is a line buffer; 6 is a printer output control unit; 5 is a line buffer; 6 is a printer output control unit;
Reference numeral 7 represents a work area for storing print data to be printed, 8 represents a log file for storing at least one page worth of print data being printed, and 9 represents a printer.

In FIG. 1, based on a print request from an application program 2, a printer output control unit 6 stores print data read from a predetermined area, for example, “#2” in a work area 7 specified by a pointer 3, in a line buffer 5. do. The line-by-line print data stored in the line buffer 5 is transferred to the printer 9 and printed, and is also transferred to the log file 8, where at least one page worth of print data is filed.

If a problem such as paper out or jam occurs during printing, printing is stopped and an ATTN (attention) signal is sent from the printer 9 to the printer output control section 6. Upon receiving the ATTN signal, the printer output control unit 6 stores the value stored in the pointer 3 in the faulty line register 4, and also stores in the pointer 3 the start address of the page whose printing was stopped. Then, the print data pointed to by the pointer 3 is read out from the log file 8 and transferred to the printer 9 for printing. After the contents of the pointer 3 become equal to the contents of the faulty row register 4, the print data read from the work area 7 pointed to by the pointer 3 is transferred to the printer 9 via the row buffer 5 and printed. At the same time, it is also transferred to the log file 8 and stored for at least one page.

[Effect]

Print data is read from the work area 7 pointed by the pointer 3 and transferred to the printer 9 via the line buffer 5 for printing, and at the same time, at least one page of the transferred print data is stored in the log file 8. I'm letting you do it. If a failure such as paper out or paper jam occurs during printing, the content stored in the pointer 3 is stored in the fault line register 4 based on the notification of the ATTN signal from the printer 9, and the contents stored in the pointer 3 are stored in the failure line register 4, and the contents stored in the pointer 3 are Stores the start address of the page that was. Then, the print data specified by pointer 3 is read from log file 8 and transferred to printer 9 for printing until the value stored in pointer 3 becomes equal to the value stored in faulty row register 4. At the same time, after they become equal, the print data read from the work area 7 pointed by the pointer 3 is transferred to the printer via the line buffer 5 for printing, and is also transferred to the log file 8, as in normal printing. At least -pages are stored.

By operating as described above, when a failure such as a paper cut occurs, the page where the failure occurs can be quickly printed using simple control.

〔Example〕

FIG. 2 shows a configuration diagram of one embodiment of the present invention. 1 to 9 in the figure represent those corresponding to those shown in FIG.

In FIG. 2, the printer output control unit 6 performs control according to the steps ① to ② so that when a failure such as paper out or jam occurs, the page where the failure occurs is quickly reprinted.

In the figure, ■ indicates a state in which it is determined whether or not there is an error processing request. An error processing request is issued when a failure such as paper out occurs in the printer 9.
If this occurs, the printer 9 will notify you.

In the figure, ■ indicates a state in which the contents of the pointer 3 are stored in the faulty row register 4.

In the figure, ■ indicates a state in which the first row address of the page is stored in the pointer 3. This is to store the first line address of the page where the failure occurred in the pointer 3 in order to print the page where the failure occurred again.

■ in the figure indicates a state in which the contents of the log file 8 are transferred to the printer 9 for printing, and the contents of the pointer 3 are increased by "+1°". This means reading print data from a predetermined area, transferring it to the printer 9 for printing, and adding "+1" to the contents of the pointer 3.

In the figure, ■ indicates that the value stored in pointer 3 is the faulty row register 4.
Indicates the state in which it is determined whether the value is equal to the value stored in . If YES (if they become equal), execute ■ in the figure. If NO (if they are not equal), repeat ■ in the figure.

In the figure, ■ indicates a state in which the process shifts to normal printing processing.

By executing the above-described procedure, it becomes possible to effectively utilize the print data stored in the log file 8 to perform printing quickly in the event of a failure such as paper shortage.

Next, the printer 9 runs out of paper according to the steps from ■ to 0.
Alternatively, when a failure such as a jam occurs, printing is temporarily stopped and the printer output control unit 6 or the like is requested to perform error handling.

In the figure, ■ indicates a state in which print data for one line is received from the line buffer 5.

In the figure, ■ indicates a state in which printing of one line has been completed.

In the figure, ■ indicates a state in which it is determined whether or not an error has occurred. Here, the error means, for example, that a paper to be printed is out of paper or that a jam has occurred.

If YES, perform error processing (■). As described above, error processing is executed by notifying the procedure in the printer output control section 6 of an error processing request. N
In the case of o, [phase] in the figure is executed.

In the figure, [phase] indicates a state in which it is determined whether or not page printing is finished. If YES, printing for one page is finished. If NO, repeat the steps shown in the figure below.

Through the above-described procedure, the printer 9 can detect a failure such as a paper cut, notify the printer output control unit 6, and quickly print a new page on which the failure has occurred.

FIG. 3 shows a flowchart illustrating the operation of the present invention during normal printing.

In the figure, @ indicates a state in which it is detected whether or not there is a print request. If YES, 0 in the figure is executed.

In the case of No, @ in the figure is repeatedly executed.

In the figure, 0 indicates a state in which the start address of a predetermined page is stored in the pointer 3.

In the figure, ■ indicates a state in which the line data indicated (pointed to) by the pointer 3 is stored in the line buffer 5.

In the figure, ■ indicates a state in which the contents stored in the line buffer 5 are transferred to the printer 9 and the log file 8, respectively. As a result, at least one page of print data is stored in the log file 8.

In the figure, [phase] indicates a state in which the contents of pointer 3 are increased by "+1".

In the figure, O indicates a state in which it is determined whether printing of a predetermined page has been completed. If YES, it ends.

In the case of No, repeat the steps below (■) in the figure.

By executing the above steps, normal printing is executed.

〔Effect of the invention〕

As described above, according to the present invention, when reading print data stored in a predetermined area in a work area designated by a pointer and transferring it to a printer, the print data is also transferred to a log file. At least one page is stored in memory, and if a failure occurs in the printer, the content stored in the pointer is stored in the failed line register, the start address of the page that was being printed is set in the pointer, and the pointer is The print data stored in the log file is sequentially read out until the value stored in the fault row register is equal to the value stored in the faulty row register, and then transferred to the printer and printed. The printer uses a configuration in which print data is sequentially read out from the work area and transferred to the printer for printing, so in the event of a problem such as running out of paper or jamming, the user is given an option other than resetting the paper. It becomes possible to quickly perform new printing again using a simple procedure without requiring special operations.

[Brief explanation of drawings]

Fig. 1 is a basic configuration diagram of the present invention, a configuration diagram of one embodiment of the present invention, Fig. 3 is a flowchart explaining the operation of the present invention during normal printing, and Fig. 4 is a conventional print data management system. The configuration diagram is shown below. In the figure, 1 is the host, 2 is the application program, 3 is the pointer, 4 is the fault line register, 5 is the line buffer, 6 is the printer output control unit, 7 is the work area, 8 is the log file, 9
represents a printer. Patent Applicant: Usatsuk Electronic Industry Co., Ltd. Representative Patent Attorney: Fumihiro Hase (2 others)
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Claims (1)

[Scope of Claims] In a print data management method in which print data is managed and printed on a line-by-line or page-by-page basis, a work area (7) for storing print data to be printed; A pointer (3) provided to sequentially read out the print data, and a line buffer (to read and store the print data stored in the area specified by the pointer (3)).
5), a log file (8) having a storage capacity of at least one page that simultaneously stores and saves the print data stored in the line buffer (5) when the print data is transferred to the printer; Fault line register (4) for storing the contents stored in the pointer (3) when a notification that a fault has occurred in the printer (9) that transferred data is received.
If a failure occurs in the printer (9), the start address of the page that was being printed is set in the pointer (3), and the value stored in the pointer (3) is stored in the failure line register (
The print data stored in the log file (8) is sequentially read out until the value is equal to the value stored in the log file (8) and transferred to the printer (9) for printing. ) The print data read out sequentially from the work area (7) specified by
9) to print and print the log file (8).
) A print data management method characterized in that print data is managed so as to be transferred to and stored in at least one page.