JPS63267645A - Recording paper feeding device in recording apparatus - Google Patents

Abstract

PURPOSE:To reduce the upper blank of recording paper and to accomplish recording beautifully and economically by corresponding a cut portion of recording paper to cutting means to cut the paper after the completion of recording and transferring the recording paper in the opposite direction to be corresponded to a recording portion after cutting. CONSTITUTION:On the completion of designated print operation, a printer is changed over from an on-line mode to an off-line mode and a transfer device is operated to transfer the print paper P from a stop position in the feed-out direction for a designated amount, whereby a cut portion M such as a perforation on the print paper P is disposed opposite to a cutting edge 11. After the print paper P is cut by the cutting edge 11, the transfer device is operated in the opposite direction, so that the print paper P is transferred in the reverse direction for a designated space between the cutting edge 11 and a print head 6 to arrange the leading end portion of the print paper P corresponding to a print portion of the print head 6. Thus, even if the cutting edge 11 is separated from the print head 6, the print operation can be restarted without producing large blank in the upper portion of the print paper.

Description

DETAILED DESCRIPTION OF THE INVENTION Purpose of the Invention (Field of Industrial Application) This invention relates to a recording means such as a print head that records on recording paper, and a transport system that transports the recording paper through the recording section of the recording means. The present invention relates to a recording apparatus such as a printer, and particularly to a recording paper feeding apparatus thereof, and a cutting means for cutting the recording paper, which is provided on the recording paper sending side with respect to the recording means.

(Prior Art) In a conventional recording device of this type, a feed roller or the like is provided between the cutting means and the recording means, and it is mechanically difficult to arrange the cutting means close to the recording section of the recording means. Because of this difficulty, the cutting means has been placed apart from the recording section on the recording paper delivery side.

(Problem to be Solved by the Invention) Therefore, in this conventional recording device, when the recording means restarts recording after cutting the recording paper, a large blank space is left at the top of the recording paper, which is uneconomical. At the same time, there was a problem that the aesthetic appearance was impaired.

Structure of the Invention (Means for Solving the Problems) The present invention has been made by focusing on the above-mentioned problems, and includes a first operating means and a method for operating the first operating means. a first control means for switching the recording means to an offline mode and causing the transport means to transport the recording sheet by a predetermined amount in a delivery direction to a position where the cut portion thereof corresponds to the cutting means; When the second operating means is operated after the first operating means is operated, the recording means is switched to the online mode, and the transporting means transfers the predetermined amount of recording paper. The second i, which is transferred in the opposite direction! J control means are provided.

(Function) Therefore, according to the apparatus of the present invention, even if the cutting means is arranged apart from the recording section of the recording means, after recording on the recording paper is completed, the cut portion of the recording paper is moved to the position corresponding to the cutting means. In addition to being able to transport the recording paper to the cutting section and cut it in the opposite direction by a predetermined amount, it is possible to match the recording section of the recording means to the cutting section, thereby reducing the upper margin of the recording paper and cutting it beautifully. Recording can be done economically.

(Embodiment) Hereinafter, the present invention will be described in detail with reference to the drawings based on an embodiment in which the present invention is embodied in a paper feeding device of a printer.

As shown in FIGS. 1 and 2, a platen 2 is rotatably supported within the main body 1 of the printer, and two guide bars 3 and 4 are arranged parallel to the platen 2 at the lower front thereof. ing. The carriage 5 is supported movably in the longitudinal direction on guide bars 3 and 4, and a print head 6 as a recording means is mounted on the upper part of the carriage 5 so as to face the platen 2.

Each pair of feed rollers 7 and 8 are arranged on both sides of the platen 2 in the paper feed direction, and as the feed rollers 7 and 8 rotate, the printing paper P as a recording paper is moved between the printing part of the print head 6 and the platen 2. is transferred through the recording section of The bin tractor 9 is disposed close to one of the feed rollers 7 on the paper feeding side thereof, and as the bin tractor 9 rotates, continuous printing paper P is fed between the rerollers 7.

The printer of this embodiment has two modes: an online mode in which it can receive output data from the host computer 10 as shown in FIG. 5, and an offline mode in which it cannot receive data. ,
The print head 6 and the like are operated based on output data from the host computer 10, and printing is performed on the print paper P on the platen 2.

A cutting blade 11 constituting the cutting means is provided at the paper outlet portion of the main body 1 so as to be visible from the outside of the main body 1, and is arranged at a predetermined distance from the print head 6 on the output side of the print paper P. ing. Then, as shown in FIG. 6(b'), a cut portion M such as a perforation provided in the continuous printing paper P is placed opposite to this cutting blade 11, and the cutting blade 1
1, the printing paper P can be cut.

As shown in FIGS. 1 and 3, the operating section 12 is provided on the upper surface of one side of the main body 1, and the operating section 12 has a plurality of function switches 13a to 13g assigned with a plurality of types of functions.
and display lamps 14 are arranged. The cover M15 is attached to the operating section 12 so as to be openable and closable, and is connected to the function switch 13a.
~13g and a through hole 1 at a position corresponding to the indicator lamp 14
6 and 17 are formed, respectively. Changeover switch 18
are provided in the operation section 12 so as to be turned on and off as the N cover 15 is opened and closed, and when the cover 15 is closed as shown in FIG. 3, the printer is switched to online mode and each function switch is 13a to 13 (L and the function of the indicator lamp 14 are
When the settings are changed to the functions listed in , and the M lid 15 is opened as shown in FIG. 3, the printer is switched to offline mode, and each function switch 13a to 1
3(l) and the function of the display lamp 14 are changed to the function written on the inner side note section 20 on the operation section 12.

Next, the control circuit of the printer configured as described above will be explained. As shown in FIG.
The CPU 21 constitutes the first and second control means, and the CP tJ 21 includes a read-only memory (ROM) in which programs etc. for controlling the operation of the entire printer are stored.
) 22 is connected to a random access memory (RAM) 23 that stores printer operations, printing paper feeding interval data, etc. corresponding to the functions of each of the function switches 13a to 13g.

Further, the host computer 10 and the operation section 12 are connected to the CPLJ 21 via an input interface 24, and various signals are inputted to the CPU 21 from them.

Furthermore, the print head 6, a transfer device 25 as a transfer means including feed rollers 7, 8, a bin tractor 9, and their drive motors are connected to the CPU 21 via an output interface 26 and a drive circuit 27, 28. , the CPU 21 outputs activation and stop signals to them.

Next, FIG. 6(a') shows the operation when cutting continuous printing paper P in the printer configured as described above.
-(C) and FIG. 7.

Now, in this printer, as shown in FIG. 3, the cover 15 of the operation section 12 is closed to set the online mode, and the load switch 1 of the function switches is set.
3a, when printing on continuous printing paper is selected, printing is performed based on the output data from the host computer 10, and when the predetermined printing operation is completed,
The cutting position indicator lamp 14a lights up, and it is confirmed in step S1 of FIG. 7 that the printing operation is stopped. In this state, when the load switch 13a serving as the first operating means is pressed down in step S2, the printer is switched from online mode to offline mode under the control of the CPU 21 in step S3, and the host computer 10 is transferred from the printer to the offline mode. A busy signal indicating that data cannot be received is output to RAM2.
The transfer device 25 is operated based on the paper feed amount data stored in FIG. 3, and the printing paper P is transferred from the stop position shown in FIG. The cutting part M such as a perforation on the printing paper P is cut by the cutting blade 1.
1 and facing each other.

In this state, after the printing paper P is manually cut by the cutting blade 11 in step S4, when the select switch 13b as the second operating means in the function switch is pressed in step S5, the CPU 2
1, the transfer bag @25 is operated in the opposite direction, and the printing paper P is transferred from the cutting position shown in FIG. 6(b) to the ROM2.
2, the cutting blade 11 and the print head 6 are moved in the opposite direction by a predetermined distance, and as shown in FIG. Corresponding arrangements will be made. When the transfer is completed, the printer is switched from the offline mode to the online mode in step S7, the output of the busy signal is stopped, and the printer becomes ready for printing. Therefore, even if the cutting blade 11 is arranged apart from the print head 6, the cut portion M of the print paper P
It is possible to easily cut the printing paper P by matching it with the cutting blade 11, and after cutting, the leading end of the printing paper P is transported back to a position corresponding to the printing head 6, so that a large margin is left at the top of the printing paper P. The printing operation can be resumed without any interruption. Further, when paper is fed or paper is cut, the printer is placed in an off-line state and no signal is input from the host computer 10, so that the printer does not malfunction during paper feed or paper cutting.

Next, when changing or adjusting the cutting position of the printing paper P shown in FIG. The operation to correct this deviation is described in the eighth section.
The explanation will be given according to the flowchart shown in the figure.

In this case, in step S8, the stopped state of the printing operation is confirmed as in the case of step S1 in FIG. After that, in step S9, the cover 15 on the operation section 12 is
When the printer is opened from the open state shown in FIG. 3 to the state shown in FIG.
3 and the display lamp 14 are changed from the function written on the outer side note part 19 to the function written on the inner side note part 20.

In this state, after a cut position is selected by operating the function switch 13C of the function switches 13 in step S10, when the position switch 13d is pressed in step 811, step 8
At step 12, under the control of the CPU 21, the transport device r/! 125 is activated, and the printing paper P is transported in the delivery direction from the stop position shown in FIG. 6(a) to the cutting position shown in FIG. 6(b). Then, by operating the adjustment switches 13e and 13f in step S13, the printing M1P is transferred in the forward or reverse direction by the transfer device 25, and the deviation of the cut portion M of the printing paper P with respect to the cutting blade 11 is changed and adjusted. , Then, in step S14, the set switch 13 is
When g is pressed, the paper feed amount data from the stop position to the cutting position changed and adjusted in step 815 is stored in the RAM.
23, and at step 816, the printing paper P is transported by the predetermined distance in the opposite direction to the printing position shown in FIG. 6(C). Thereafter, in step S17, the cover 15 is closed from the open state shown in FIG. 4 as shown in FIG.
The function No. 4 is added to the outer annotation section 19 and the function is restored.

Thereafter, in step S3, the transport device 25 is operated based on the corrected paper feeding data, and the printing paper P
The cutting position is always sent to a position facing the cutting blade 11. Moreover, by this change adjustment operation, a desired portion of the printing paper P can be arranged as a cutting portion M to face the cutting blade.

It should be noted that the present invention is not limited to the configuration of the above-mentioned embodiments (it is also possible to embody it by changing the configuration of each part arbitrarily without departing from the spirit of the invention.

Effects of the Invention As described in detail above, even if the cutting means is disposed apart from the recording section of the recording means, the cut portion of the recording paper can be cut with #JJr! after recording on the recording paper is completed. Ir
It is possible to cut the recording paper by transporting it to a position corresponding to the recording means, and after cutting, it is also possible to transport the recording paper a predetermined amount in the opposite direction so that it corresponds to the recording section of the recording means, thereby reducing the upper margin of the recording paper. This provides an excellent effect in that not only can recording be done beautifully and economically, but also malfunctions can be prevented during paper feeding and cutting.

[Brief explanation of drawings]

Figure 1 is a perspective view of a printer embodying this invention;
3 is an enlarged partial plan view showing the operating section with the cover closed, FIG. 4 is a partial plan view showing the operating section with the cover open, and FIG. Figure 5 is a block diagram of the control circuit, Figures 6(a) to 6(C) are partial cross-sectional views sequentially showing the transfer state of the printing paper when cutting the printing paper, and Figure 7 is the cutting of the printing paper. FIG. 8 is a flowchart showing the operation when changing and adjusting the cutting position of the printing paper. 6... To print as a recording means, 11... Cutting blade as a cutting means, 13a... Load switch as a first operation means, 13b... Select as a second operation means Switch, 21...CPU as first and second control means, 25...Transfer device as transfer means.

Claims (1)

[Claims] 1. A recording means (6) for recording on a recording paper (P), and a transporting means (25) for transporting the recording paper (P) through a recording section of the recording means (6). , a recording device comprising: a cutting means (11) provided on the output side of the recording paper (P) with respect to the recording means (6) for cutting the recording paper (P); 13a), and when the first operating means (13a) is operated, the recording means (6) is switched to the offline mode, and the recording paper (P) is transferred by the transporting means (25) so that the cut portion thereof is A first control means (21) for transferring a predetermined amount in the delivery direction to a position corresponding to the cutting means (11), a second operation means (13b), and the first operation means (13a) are operated. When the second operating means (13b) is operated after
) and a second control means (21) for causing the transport means (25) to transport the recording paper (P) by the predetermined amount in the opposite direction. Device.