JPH10329997A - Printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small sized printer in which replacement of roll paper and elimination of a paper jam can be carried out easily by means of a very simple structure. SOLUTION: In this printer, the first holding unit 2b, in which printing to roll paper 1 is carried out, and the second holding unit 2a, in which setting of the roll paper 1 is carried out, are arranged in a roll paper holder 2, and the roll paper 1 is moved from the second holding unit 2a to the first hooding unit 2b according to a shift of a device main body from a setting operation position to a printing operation position. When replacement of the roll paper 1 or removal of a paper jam is carried out, the roll paper 1 can be temporally installed to the second holding unit 2a, so that a sufficient working space can be secured, and as a result, setting of the roll paper 1 or removal of a paper jam can be carried out with ease.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus capable of easily exchanging roll paper and removing paper jams.

[0002]

2. Description of the Related Art Generally, a printing apparatus of this type has a configuration as shown in FIG. That is, in the figure, reference numeral 11 denotes a roll paper, which is supported by a roll paper holder 12 provided on the back surface of the apparatus main body, printed by the printer unit 13, and discharged via the cutter unit 14. Was configured as follows.

[0003]

However, in the above-described conventional configuration, when the roll paper 11 is reset in the printer unit 13 by replacing the roll paper 11 or removing a paper jam, the roll paper holder 12 is held in the roll paper holder 12. Rolled paper 11
Is required to be inserted into a paper feed port (not shown) of the printer unit 13. In this case, the gap between the roll paper 11 and the printer unit 13 is very narrow in the conventional configuration, so that The leading edge of the roll paper 11 held by the roll paper holder 12 cannot be inserted into the paper feed port of the printer unit 13, and paper jams generated between the roll paper 11 and the printer unit 13 can be easily and properly handled. There was a problem that the apparatus could not be reduced in size if it could not be removed and if the gap between the roll paper 11 and the printer unit 13 was widened.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a small-sized printing apparatus which can easily replace a roll paper and remove a paper jam with a very simple configuration.

[0005]

In order to achieve this object, a printing apparatus according to the present invention comprises a first holder for performing printing on the roll paper in a roll paper holder for holding the roll paper; A second holding unit for setting the roll paper is provided, and when the apparatus main body is shifted from the setting operation position to the printing operation position, the roll paper is moved from the second holding unit of the roll paper holder to the first holding unit. Thus, it is possible to realize a small-sized printing apparatus that can easily perform exchange of roll paper and removal of paper jam with a very simple configuration.

[0006]

The invention according to claim 1 of the present invention is a printing apparatus having a printing operation position for printing on roll paper and a setting operation position for setting the roll paper, A roll paper holder for holding the roll paper is provided with a first holding unit for performing printing on the roll paper and a second holding unit for setting the roll paper. A printing apparatus, wherein the roll paper moves from a second holding section of the roll paper holder to a first holding section as the printing apparatus shifts from the work position to the printing operation position. A holding section is provided for temporarily loading roll paper when resetting roll paper for paper replacement or clearing paper jams, or when temporarily evacuating roll paper. Therefore, an effect that may be or simply setting the roll paper, or performs the removal of paper jams.

According to a second aspect of the present invention, in the first aspect, when the apparatus main body is shifted from the setting operation position to the printing operation position, the roll paper held by the second holding portion is moved to the first holding portion. It is a printing device characterized by having provided a roll paper extrusion unit for extruding to
The effect that the user can easily hold the roll paper at the predetermined position simply by returning the apparatus main body to the original position without moving the roll paper from the second holding part to the first holding part. Having.

According to a third aspect of the present invention, there is provided a printing apparatus according to the second aspect, wherein the roll paper push-out portion is constituted by a part of a case for accommodating the apparatus main body. This has the effect that the roll paper push-out section can be used also as a part of the case for housing the apparatus main body.

According to a fourth aspect of the present invention, there is provided a cylindrical guide portion comprising two or more members for guiding printed recording paper, and provided to be capable of opening and closing to cover a part or the whole of the apparatus main body. Having one of the members constituting the guide portion provided on the cover side, and the other provided on the device body side, and closing the cover to form the cylindrical guide portion. The printing device is characterized in that even if a recording paper jam occurs in the guide portion, it can be easily removed.

According to a fifth aspect of the present invention, in the fourth aspect, the roll paper is held in a direction in which the recording paper is curled toward the cover and discharged, and a guide portion provided on the cover is configured. This is a printing device characterized in that the surface roughness of the member to be formed is reduced, thereby making it possible to make the surface of the guide portion where the recording paper comes in contact with the leading end slippery, and to prevent the paper jam from occurring. Have.

According to a sixth aspect of the present invention, there is provided a printing apparatus according to the fifth aspect, wherein the member constituting the guide portion provided on the cover side is made of metal, whereby the recording paper is charged. It has an effect of preventing the paper from being stuck to the guide portion due to the generated static electricity and causing paper jam.

An embodiment of the present invention will be described below with reference to FIGS. (Embodiment 1) FIGS. 1 to 3 are diagrams showing a schematic configuration of a printing apparatus according to a first embodiment of the present invention.
Shows an open state of the apparatus main body, FIG. 2 shows its closed state, and FIG. 3 shows its intermediate state.

In FIG. 1, reference numeral 1 denotes a roll paper, which is supported by a roller shaft 9 and is held by a roll paper holder 2 provided on the back of the apparatus main body. The paper is discharged via the cutter unit 4. Further, the cut paper 1 a cut to a predetermined length by the cutter unit 4 is configured to fall through the cylindrical guide unit 5 to the discharge port 6.

The roll paper holder 2 is provided with a first holding portion 2b for securely holding the roll paper 1 when printing on the roll paper 1, and a first holder 2b for exchanging the roll paper 1 and a paper jam. A second holding portion 2a for temporarily mounting the roll paper 1 when removing the paper is provided, and a roll paper push-out portion 7 provided in a part of a case for accommodating the main body of the device provides The roll paper 1 is configured to roll or slide from the second holding portion 2a to the first holding portion 2b in accordance with the operation of housing the main body in the case.

An operation unit 8 includes a touch panel, key switches, and the like, and is configured to perform printing on the roll paper 1 based on an instruction from the operation unit 8.

The operation of the printing apparatus configured as described above will be described with reference to FIGS. As shown in FIG. 1, in order to replace the roll paper 1 or remove a paper jam, the roll paper 1 is moved to the second holding unit 2 a of the roll paper holder 2.
Temporarily, a large space can be created above the printer unit 3, so that the leading end of the roll paper 1 can be inserted into a paper feed port (not shown) of the printer unit 3, The operation for clearing the paper jam of the paper 1 can be made very easy, and as shown in FIG. 2, the apparatus main body returns to the normal printing operation position, and the roll paper 1 is moved to the second position of the roll paper holder 2. 1, the space between the roll paper 1 and the printer unit 3 can be made considerably smaller than in the past, and is constituted by the roll paper holder 2, the printer unit 3, the cutter unit 4, and the like. Printer unit can be reduced in size.

Further, as shown in FIG. 3, when the apparatus main body is returned from the roll paper setting operation position to the normal printing operation position, the second holding portion 2a of the roll paper holder 2 is used.
The roll paper 1 temporarily attached to the roll paper comes into contact with the roll paper push-out portion 7 (FIG. 3A), and when the roll paper 1 is further returned, the roll paper 1 is disengaged from the second holding portion 2a and the roll paper 1 is released. Holder 2
Rolling or sliding along the oblique side to the first holding section 2b (FIG. 3B), the printing apparatus can be returned to a state where printing on the roll paper 1 is possible simply by returning the apparatus main body to its original position. Thus, the replacement of the roll paper 1 and the removal of paper jam can be easily and reliably performed in a short time.

In this embodiment, the apparatus main body is configured to be openable and closable about its lower end as an axis. However, the present invention is not limited to this. The same effect can be obtained even if the shaft is configured to be freely opened and closed.

(Embodiment 2) FIG. 4 shows a configuration of a printing apparatus according to a second embodiment of the present invention.
The same components as those described above are denoted by the same reference numerals and description thereof is omitted.

In the drawing, a cylindrical guide portion 5 is composed of a first guide member 5a and a second guide member 5b, and the first guide member 5a covers a part or the whole of the apparatus main body. The second guide member 5b is provided on the back side of the cover 10 provided as described above, and the second guide member 5b is provided on the side of the main body of the apparatus.
Is formed.

The roll paper 1 is held by a roll paper holder 2 so as to be curled toward the cover and discharged.
In most cases, the cut paper 1a comes into contact with the first guide member 5a provided on the back surface side of the cover 10, so that the surface roughness of the first guide member 5a is reduced or a plurality of ribs are provided. To reduce the contact area, or to eliminate static electricity charged on the cut sheet 1a by using a conductive material such as a metal to prevent the leading end of the cut sheet 1a from being caught and causing paper jam. .

With the above configuration, the printed cut sheet 1a can be smoothly and reliably taken out from the discharge port 6, and even if a paper jam occurs, it can be easily removed simply by opening the cover 10. .

In the present embodiment, the cover is configured to be openable and closable about the lower end thereof, but the present invention is not limited to this. The same effect can be obtained even if the opening and closing can be freely opened and closed.

[0024]

As is apparent from the above description, according to the present invention, when the roll paper is reset or the roll paper is temporarily evacuated, for example, when replacing the roll paper or removing a paper jam. Is provided with a holding portion for temporarily mounting the roll paper, so that a sufficient work space can be secured, the roll paper can be easily set, and a paper jam can be removed. . Further, the roll paper can be easily held at a predetermined position simply by returning the apparatus main body to the original position, and the replacement of the roll paper and the removal of a paper jam can be performed easily and reliably in a short time. A small printing device can be realized.

[Brief description of the drawings]

FIG. 1 is a configuration diagram for explaining a schematic configuration of an opening state of a setting operation position of a printing apparatus according to a first embodiment of the present invention;

FIG. 2 is a configuration diagram for explaining a schematic configuration of a normal printing operation position in a closed state according to the embodiment;

FIG. 3 is a configuration diagram for explaining a schematic configuration of an intermediate state of the embodiment.

FIG. 4 is a configuration diagram for explaining a schematic configuration of a printing apparatus according to a second embodiment of the present invention.

FIG. 5 is a configuration diagram for explaining a schematic configuration of a conventional printing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roll paper 2 Roll paper holder 2a 2nd holding part 2b 1st holding part 3 Printer part 4 Cutter part 5 Guide part 5a 1st guide member 5b 2nd guide member 6 Discharge port 7 Roll paper push-out part 8 Operation Part 9 roller shaft 10 cover

Continued on the front page (72) Inventor Noriyuki Saito 1006 Kazuma Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (6)

[Claims] 1. A printing apparatus having a printing operation position for performing printing on roll paper and a setting operation position for setting the roll paper, wherein the roll paper holder holds the roll paper. A first holding unit for performing printing to the printer, and a second holding unit for performing setting of the roll paper, and, when the apparatus main body is shifted from the setting operation position to the printing operation position, A printing apparatus wherein a roll paper moves from a second holding section of the roll paper holder to a first holding section. 2. A roll paper push-out section for pushing the roll paper held by a second holding section to a first holding section when the apparatus body is shifted from a setting operation position to a printing operation position. The printing device according to claim 1, wherein: 3. The printing apparatus according to claim 2, wherein the roll paper push-out section is constituted by a part of a case for housing the apparatus main body. 4. A printing apparatus, comprising: a tubular guide portion configured of two or more members and configured to guide printed recording paper; and a cover that is openably and closably provided to cover a part or the whole of the apparatus main body. A printing apparatus, wherein one of the members constituting the guide section is provided on the cover side, the other is provided on the apparatus main body side, and the cover is closed to form the cylindrical guide section. 5. The roll paper is held in a direction in which the recording paper is curled toward the cover and discharged, and the surface roughness of a member forming a guide provided on the cover is reduced. The printing device according to claim 4, wherein 6. The printing apparatus according to claim 5, wherein a member constituting the guide provided on the cover side is made of metal.