JPH059342B2 - - Google Patents

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 the problem that the aesthetic appearance was impaired.

In view of the above-mentioned problems, an apparatus has been disclosed in which, after cutting a recording sheet by a cutting means, the recording sheet is rewound by a predetermined amount before being recorded by the recording means, thereby preventing the formation of a large blank space at the top of the recording sheet. ing.

However, in this device, the number of operations required to perform the paper feeding operation is large;
There is a problem that the operability deteriorates.

Structure of the Invention (Means for Solving the Problems) This 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. At this time, the recording means switches to an offline mode in which it is unable to receive output data from the host computer, and the transporting means transports the recording paper a predetermined amount in the sending direction until the cut portion of the recording sheet corresponds to the cutting means. a first control means, a second operation means, and when the second operation means is operated after the first operation means is operated, the recording means is capable of receiving output data from a host computer; and a second control means that causes the transfer means to transfer the recording paper by the predetermined amount in the opposite direction.

(Function) Therefore, according to the apparatus of the present invention, when the first operating means is operated, the recording means is switched to the offline mode, and the recording paper is cut by the transporting means so that the cutting portion thereof corresponds to the cutting means. When the second operating means is operated after that, the recording means is switched to offline mode, and the recording paper is moved backward by the predetermined amount by the transporting means. be transported.

(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 on guide bars 3 and 4 so as to be movable in the longitudinal direction, and a printing head 6 as a recording means is mounted on the upper part of the carriage 5.
is mounted to face 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 the recording paper is moved between the printing part of the print head 6 and the platen 2. The data is transferred through the recording section. The pin tractor 9 is disposed close to one of the feed rollers 7 on the paper feed side thereof, and as the pin tractor 9 rotates, continuous printing paper P is fed between the feed rollers 7.

The printer of this embodiment has two modes: an online mode in which it is able to receive output data from the host computer 10 shown in FIG. 5, and an offline mode in which it is disabled. , the print head 6 based on the output data from the host computer 10.
etc., and printing is performed on the printing paper P on the platen 2.

A cutting blade 11 constituting the cutting means is provided at the paper discharge port 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 printing head 6 on the output side of the printing paper P. ing. Then, as shown in FIG. 6b, this cutting blade 1
The printing paper P can be cut by arranging the cutting blade 1 facing the cutting blade 1 and pressing the cutting blade 11 against the cutting blade 11.

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 functions, and a display. Lamps 14 are arranged. The cover 15 is attached to the operation part 12 so as to be openable and closable, and has through holes 16 and 1 at positions corresponding to the function switches 13a to 13g and the indicator lamp 14.
7 are formed respectively. Changeover switch 18
are provided in the operation section 12 to be turned on and off as the 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 13a is 13g and the display lamp 14 are changed to the functions written on the outer marking section 19 on the surface of the cover 15, and when the cover 15 is opened as shown in FIG. 4, the printer is switched to offline mode. In addition, each function switch 13a~
13g and the display lamp 14 are set to the functions written in the inside marking 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.
A central processing unit (CPU) 21 constitutes first and second control means, and the CPU 21 includes a read-only memory (ROM) 22 storing programs etc. that control the operation of the entire printer, and each function switch 13a. A random access memory (RAM) 23 is connected to store printer operations corresponding to the functions 13g to 13g, printing paper feed amount data, and the like.

In addition, the CPU 21 includes the host computer 1.
0 and the operating section 12 are connected via an input interface 24, and various signals are inputted to the CPU 21 from there. Furthermore, the print head 6 and a transfer device 25 as a transfer means including feed rollers 7 and 8, a pin tractor 9, and their drive motors are connected to the CPU 21 via an output interface 26 and drive circuits 27 and 28. The CPU 21 outputs operation and stop signals to them.

Next, the operation of cutting a continuous print sheet P in the printer configured as described above will be explained with reference to FIGS. 6a to 6c and FIG. 7.

Now, in this printer, as shown in FIG. 3, the lid 15 of the operation section 12 is closed to set the online mode, and the load switch 13a of the function switches is used to print 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 cut position indicator lamp 14a lights up and printing begins in step S1 in FIG. The stopped state of operation is confirmed. 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 printer is transferred from the printer to the host computer 10. A busy signal indicating that data cannot be received is output to the transfer device 25 based on the paper feed amount data stored in the RAM 23.
is activated, the printing paper P is transported a predetermined amount in the feeding direction from the stop position shown in FIG.
is arranged opposite to the cutting blade 11.

In this state, the printing paper P is manually cut by the cutting blade 11 in step S4, and then step
When the select switch 13b, which is the second operating means in the function switch, is pressed in step S5, the transfer device 25 is operated in the opposite direction under the control of the CPU 21 in step S6, and the printing paper P is moved in the opposite direction as shown in FIG. From the cutting position b, the printing paper P is moved in the opposite direction by a predetermined distance between the cutting blade 11 and the printing head 6, which is stored in the ROM 22, so that the leading edge of the printing paper P reaches the printing head 6, as shown in FIG. 6c. It is arranged in correspondence with the printing part. When the transfer is finished, the step
In S7, the printer is switched from the offline mode to the online mode, 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 printing paper P can be cut by the cutting blade 1.
1, and after cutting, the leading end of the printing paper P can be transported back to a position corresponding to the printing head 6, and the printing paper P can be cut easily.
The printing operation can be resumed without creating a large blank space at the top of the page. Further, when paper is fed or 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 and adjusting the cutting position of the printing paper P shown in FIG. 6b, for example, when the printing paper P is transferred to the cutting position, the cut portion M is
The operation for correcting this deviation will be explained according to the flowchart of FIG. 8.

In this case, in step S8, the stopped state of the printing operation is confirmed as in the case of step S1 in FIG. Thereafter, in step S9, when the cover 15 on the operation unit 12 is opened from the closed state shown in FIG. 3 as shown in FIG. 4, the printer is switched from the online mode to the offline mode, and each function switch 13a to 13g and the display lamp 14 are changed from the function written in the outer marking part 19 to the function written in the inner marking part 20.

In this state, after the 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 S11, the cut position is selected under the control of the CPU 21 in step S12. The transport device 25 is operated based on the paper feed amount data stored in the RAM 23, and the printing paper P
is transported in the delivery direction from the stop position shown in FIG. 6a to the cutting position shown in FIG. 6b. Then, by operating the adjustment switches 13e and 13f in step S13, the printing paper P is transported in the forward or reverse direction by the transport device 25, and the cutting blade 11
When the offset of the cut portion M of the printing paper P is changed and adjusted, and then the set switch 13g is pressed in step S14, the paper feed amount data from the stop position to the cutting position, which was changed and adjusted in step S15, is stored in the RAM 23. At the same time, in step S16, the printing paper P is transported in the opposite direction by the predetermined distance to the printing position shown in FIG. 6c. After that, in step S17, the cover 15 is
The open state shown in the figure is closed as shown in FIG. 3, and the printer returns to online mode, and the functions of each function switch 13a to 13g and indicator lamp 14 are added to the outer annotation section 19 and return to function. Thereafter, in step S3, the transport device 25 is operated based on the corrected paper feed amount data, so that the cutting position of the printing paper P is always aligned with the cutting blade 1.
It is sent to the position opposite to 1. 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, and the configuration of each part can be arbitrarily changed and embodied without departing from the spirit of the invention.

Effects of the Invention As detailed above, the present invention temporarily interrupts recording during recording by operating the first operating means, cuts the recording paper that has been recorded up to that point, and then restarts the recording paper. By operating the second operation means, it is possible to return the recording paper and record so that the upper margin of the recording paper becomes smaller, thereby improving the operability for reducing the upper margin of the recording paper. It has this excellent effect.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a printer embodying the present invention, FIG. 2 is a sectional view thereof, FIG. 3 is a partial plan view showing the operation section enlarged with the lid closed, and FIG. 4 Figure 5 is a partial plan view showing the operating section with the lid open, Figure 5 is a block diagram of the control circuit, Figure 6 is a block diagram of the control circuit.
Figures a to 6c are partial sectional views sequentially showing the transfer state of the printing paper when cutting the printing paper, Fig. 7 is a flowchart showing the operation when cutting the printing paper, and Fig. 8 is a flowchart showing the operation when cutting the printing paper. It is a flowchart showing the operation when changing and adjusting the cutting position. 6...Print head as recording means, 10...
Host computer, 11... Cutting blade as cutting means, 13a... Load switch as first operating means, 13b... Select switch as second operating means, 21... First and second control means 25. A transfer device as a transfer means.

Claims (1)

[Scope of Claims] 1. Recording means 6 for recording on recording paper P based on output data from host computer 10;
A transport means 25 for transporting the recording paper P through the recording section of the recording means 6, and a cutting means 11 for cutting the recording paper P, which is provided on the sending side of the recording paper P with respect to the recording means 6. In the recording device equipped with the first operating means 13a, when the first operating means 13a is operated, the recording means 6 switches to an offline mode in which it is unable to receive output data from the host computer 10, and , a first control means 21 for causing the transport means 25 to transport the recording paper P by a predetermined amount in the feeding direction to a position where the cut portion thereof corresponds to the cutting means 11; a second operating means 13b; When the second operating means 13b is operated after the first operating means 13a is operated, the recording means 6 is switched to the online mode in which it can receive output data from the host computer 10, and the transfer means 25 is and second control means 21 for transporting the recording paper P by the predetermined amount in the reverse direction.