JPH01288468A - Page printer - Google Patents

Abstract

PURPOSE:To enable reliable printing of last page without using an operating board, by providing a receiving buffer and a page buffer for containing a page of bit map data and automatically printing the bit map data in the page buffer when no data condition in the receiving buffer continues for a predetermined interval. CONSTITUTION:A main control section 1 reads out received data from a receiving buffer 2 and converts the received data into bit map data which are contained in a page buffer 3. When the main control section 1 detects no data to be processed in the page buffer 3 through a detecting section 4, a measuring section 5 measures the time interval when there is no data in the receiving buffer 2. When the measured time interval reaches to a predetermined time, a print control section 6 is commanded to print the bit map data in the page buffer 3. Printing is made automatically upto the final page print data in the code system of a serial or a line printer.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a page printer, and particularly to a print start processing mechanism for a page printer.

[Conventional technology]

Conventionally, in page printers that can emulate the code system of serial printers or line printers, the condition for actually printing the bitmap data in the page buffer is when a predefined print start sequence for each page is processed. This was limited to cases where the page buffer overflowed and the user forced the printing process using the operation panel.

[Problem to be solved by the invention]

The conventional page printer described above prints the bitmap data in the page buffer only when processing the print start sequence for each page, when the page buffer overflows, or when printing is forcibly started from the user's operation panel. As a result, when printing data based on the code system of a serial printer or line printer that does not include a page-by-page print start sequence, the last page will not be printed if forced printing is not performed from the operation panel. There were drawbacks.

An object of the present invention is to provide a page link that solves the above problems.

[Means to solve the problem]

In order to achieve the above object, a page printer according to the present invention includes a reception buffer and a page buffer for storing bitmap data for one page.

In a page printer that can emulate the code system of a serial printer or line printer,
It has means for recognizing the number of unprocessed data in the receive buffer and means for measuring the time without unprocessed data in the receive buffer, and recognizes that a state without unprocessed data in the receive buffer continues for a certain period of time. As a result, it has a function of automatically printing the bitmap data in the page buffer.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. In FIG.
This is a page buffer that stores bitmap data for pages. The main control unit 1 receives the received data from the reception buffer 2.
- Read the data, convert it to bitmap data, and store it in the page buffer 3. 4 is a detection unit that detects the number of unprocessed data in the reception buffer 2; 5 is the reception buffer 2;
6 is a printing control unit, which measures the time without unprocessed data.

In the embodiment, when the main control unit 1 recognizes that there is no unprocessed data in the page buffer 3 by the detection unit 4, the main control unit 1 measures the time for which there is no unprocessed data in the reception buffer 2 by the measurement unit 5, and when a certain period of time is reached. Then, for the print control section 6,
Commands to print the p1-map data of page buffer 3.

〔Effect of the invention〕

As explained above, the present invention prints the bitmap data in the page buffer when there is no unprocessed data in the receive buffer for a certain period of time, thereby printing the print data using the code system of a serial printer or line printer. The last page is automatically printed, and the last page can be reliably printed without using an operation panel.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Main control unit 2.9, reception buffer 3
...Page buffer patent applicant NEC Corporation Figure 1

Claims (1)

[Claims] (1) A means for recognizing the number of unprocessed data in the reception buffer in a page printer that has a reception buffer and a page buffer that stores one page of bitmap data and is capable of emulating the code system of a serial printer or line printer. It has a means to measure the time when there is no unprocessed data in the receive buffer, and by recognizing that the state without unprocessed data in the receive buffer continues for a certain period of time, it automatically updates the bitmap data in the page buffer. 1. A page printer characterized by having a function of automatically processing printing.