JPH04168085A - Printing control system of printer - Google Patents

Abstract

PURPOSE:To prevent contamination of an internal mechanism or wasteful consumption of expendables by detecting the presence of a printing sheet in a horiaonral direction and restricting a printing action temporarily based on the detection results. CONSTITUTION:If a printer is ready to swing into a printing action and a printing head 1 moves to a position other than where the sheet is present, a printing sheet detection sensor 2 detects a state 'no printing sheet is present', and switches 'printing sheet present' signal 7 OFF. A printing sheet detection circuit 6 in a printing control circuit 3 switches a 'printing permit' signal 8 OFF with the switching OFF of the 'printing sheet present' signal 7. A printing signal 9 which is output from a printing circuit 10 is shut off at a gate circuit 4 by the 'printing permit' signal. Therefore, a printing head drive circuit 5 restricts the printing action of a printing head 1 so that no printing process takes place. If the printing head 1 reaches the surface of the printing sheet, the printing sheet detection sensor 2 detects the printing sheet and the 'printing sheet present' signal is switched ON. For this reason, the printing sheet detection circuit 6 connects the 'printing permit' signal 8 to drive the printing head 1 for printing action.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a print control method in a printer device.

[Conventional technology]

In conventional printer devices, the means to suppress the printing operation when there is no printing paper while in the printing operation state is to detect the presence or absence of printing paper only in the feeding direction (vertical direction) of the printing paper. Printing operation is suppressed.

[Problem to be solved by the invention]

As mentioned above, in conventional printer devices, the presence or absence of print paper is detected only in the feeding direction of the print paper, which may result in a malfunction in the supply of print paper to the printer device, causing the print paper to be stuck in a predetermined position. If there is no printing paper in the specified position, such as when there is no printing paper in the specified position or when the wrong printing paper is selected to be supplied to the printer, the internal This method has disadvantages such as contamination of the mechanism and wasteful consumption of consumables.

[Means to solve the problem]

The printing control method for a printer device according to the present invention includes a printing suppression means that suppresses the printing operation when the printer device is in a printing operation state and there is no printing paper at a predetermined position.

That is, the printing control system of the printer device of the present invention includes a detection section that detects the presence or absence of the printing paper in the horizontal direction of the printing paper, and a control circuit that temporarily suppresses the printing operation based on a signal from the detection section. We are prepared.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 2 is a perspective view showing the print head and print paper detection sensor of the embodiment shown in FIG.

In FIG. 2, the print head 1 performs a printing operation on printing paper. The print paper detection sensor 2 detects whether or not a print paper is present at a position where the print head 1 performs a printing operation.

FIG. 1 is a block diagram showing one embodiment of the present invention.

In FIG. 1, the printer device is in a printing operation state,
When the print head 1 moves to a location other than the location where the print paper exists, the print paper detection sensor 2 indicates "no print paper".
is detected and the printing paper presence signal 7 is turned "OFF". The printing paper detection circuit 6 in the printing control circuit 3 outputs a printing permission signal 8 when the printing paper presence signal 7 becomes °“○FF’”.
to "OFF". The print signal 9 output from the print circuit 10 is sent to the gate circuit 4 by the print permission signal 8.
The print head drive circuit 5 suppresses the printing operation of the print head 1 so that no printing is performed.

When the print head 1 moves onto the print paper, the print paper detection sensor 2 detects the print paper, and the print paper presence signal 7 becomes "'".
Therefore, the print paper detection circuit 6 turns the print permission signal 8 'ON', and the print signal 9 output from the print circuit 10 passes through the gate circuit 4 and is transmitted to the print head drive circuit 5. , drives the printing operation of the print head 1.

〔Effect of the invention〕

As explained above, the print control method of the printer device of the present invention detects when an attempt is made to print on a location other than the print paper when the printer device is in the printing operation state, and temporarily stops the printing operation. This has the effect of reducing contamination of the internal mechanism of the printer device and wasteful consumption of consumables.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG. 2 is a perspective view showing the print head and print paper detection sensor of the embodiment of FIG. 1...Print head, 2...Print paper detection sensor, 3...Print control circuit, 4...
・Gate circuit, 5...Print head drive circuit, 6
...Print paper detection circuit, 7...Print paper present signal, 8...Print permission signal, 9...
・Print signal, 10...Print circuit.

Claims (1)

[Claims] A printing control method for a printer device, comprising: a detection section that detects the presence or absence of the printing paper in the horizontal direction of the printing paper; and a control circuit that temporarily suppresses printing operation based on a signal from the detection section.