JPH0592641A - Cleaning sheet of feeding roller of printer - Google Patents

Abstract

(57) [Summary] [Object] An object of the present invention is to easily clean the paper feed rollers 9, 10, and 11 without disassembling the printer. [Structure] Mount that is detachably attached to the paper cassette 8.
13 is attached with cleaning cloths 14 and 15 that come into contact with the surfaces of the paper feed rollers 9, 10 and 11 to clean the paper feed rollers 9, 10 and 11, and hooks that are locked to the paper cassette 8 are mounted on the mount 13. Provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet feeding roller cleaning sheet for a printer for cleaning a sheet feeding roller provided in a printer body.

[0002]

2. Description of the Related Art Generally, a paper feed roller for feeding paper in a paper cassette is made of rubber or the like. If dust such as carbon adheres to the surface over time, smooth paper feed cannot be achieved. , It may cause paper jam. Therefore, it is necessary to clean the surface of the paper feed roller with a soft cloth impregnated with a cleaning liquid such as ethyl alcohol.
Conventionally, such cleaning work has been performed by disassembling the printer and exposing the paper feed roller to the outside.

[0003]

However, in the conventional method for cleaning the paper feed roller as described above, it is necessary to disassemble the printer and reassemble the printer after cleaning, which is troublesome. .. Further, there is a problem in that cleaning liquid other than that specified by the manufacturer is used, the paper feed roller is not reliably cleaned, and the reliability of the printer is reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and can easily clean the paper feed roller without disassembling the printer. The purpose is to get a cleaning sheet.

[0005]

According to a first aspect of the present invention, there is provided a sheet feeding roller cleaning sheet for a printer, wherein a sheet main body detachably mounted in a sheet cassette contacts a surface of the sheet feeding roller to feed the sheet. A cleaning member for cleaning the sheet is attached, and an engaging portion that is engaged with the sheet cassette is provided on the sheet body.

In the sheet feeding roller cleaning sheet of the printer according to the second aspect of the invention, the cleaning member is preliminarily impregnated with the cleaning liquid, and the cleaning liquid is sealed by the sealing material.
The seal material is to be removed at the time of use.

In the sheet feeding roller cleaning sheet of the printer according to the third aspect of the present invention, the cleaning member impregnated with the cleaning liquid can be attached to and detached from the sheet main body.

[0008]

According to the first aspect of the present invention, by rotating the paper feed roller, the paper feed roller is brought into contact with the cleaning member to clean the paper feed roller, and the locking portion is locked to the paper cassette. , Prevents the sheet body from being fed into the printer body.

According to the second aspect of the present invention, by providing the cleaning member with a seal material so that it can be detached at the time of use, it is possible to impregnate the cleaning member with the cleaning liquid in advance.
Prevent the use of cleaning liquids other than those specified.

According to the third aspect of the present invention, the cleaning member impregnated with the cleaning liquid is made removable so that the cleaning member can be used repeatedly only by exchanging the cleaning member, and a cleaning liquid other than the designated cleaning liquid is used. To prevent

[0011]

Embodiments of the present invention will be described below with reference to the drawings. Example 1. FIG. 1 is a sectional view showing a state in which a paper feed roller cleaning sheet according to an embodiment of the invention of claim 1 is mounted on a printer.

In the figure, 1 is a printer main body, 2 is a thermal head provided in the printer main body 1, 3 is a platen roller facing the thermal head 2, and 4 is between the thermal head 2 and the platen roller 3. The ink sheets, 5, 6, and 7 sent to the printer are the first, second, and third paper guides that are arranged in the printer body 1 and form a paper path.

Reference numeral 8 denotes a paper cassette detachably attached to the printer main body 1, 9 is provided above the paper cassette 8, and paper (not shown) in the paper cassette 8 is directed to the first paper guide 5 side. A first paper feed roller having a D-shaped section for feeding paper,
A second paper feed roller 10 is provided in the middle of the paper path formed by the first and second paper guides 5 and 6 and feeds the paper fed from the paper cassette 8 to the platen roller 3. Is provided in contact with the second paper feed roller 10,
Paper feed auxiliary roller that is rotated by the rotation of the paper feed roller 10,
Reference numeral 12 is a sheet feeding roller cleaning sheet that is detachably attached to the sheet cassette 8 and cleans the sheet feeding rollers 9, 10, and 11.

Next, FIG. 2 is a perspective view showing the sheet feeding roller cleaning sheet of FIG. In the figure, 13 is a mount as a sheet body, and this mount 13 is provided with a first hook 13a as a locking portion and a second hook 13b extending in a direction orthogonal to the first hook 13a. The mount 13 is locked by the paper cassette 8 and positioned in the paper feeding direction and the width direction.

Reference numeral 14 is a first cleaning cloth as a cleaning member, which is adhered to the backing paper 13 so that the first paper feeding roller 9 comes into contact with the second paper feeding roller 10. Laura 11
Is a second cleaning cloth as a cleaning member that is adhered to the end of the backing paper 13 so that they come into contact with each other. These first and second cleaning cloths 14 and 15 are sponge-like, respectively. , A cleaning liquid such as ethyl alcohol is impregnated. The first and second cleaning cloths 14 and 15 are colored differently from the mount 13 so that the cleaning liquid can be easily impregnated.

When using the sheet feeding roller cleaning sheet 12 configured as described above, as shown in FIG. 3, the sheet feeding roller cleaning sheet 12 is attached to the sheet cassette 8 and the sheet cassette 8 is attached to the printer body 1. Mounting. As a result, as shown in FIG. 4, the sheet feed roller cleaning sheet 12 is set at a position where the sheet feed rollers 9, 10, 11 contact the cleaning cloths 14, 15. In this state, by pressing the paper feed button, the paper feed rollers 9, 10, 11 rotate while contacting the cleaning cloths 14, 15, and the surfaces thereof are cleaned by the cleaning cloths 14, 15.

By using the sheet feeding roller cleaning sheet 12 as described above, the sheet feeding rollers 9, 10, 11 can be easily cleaned without disassembling the printer body 1. At this time, since the sheet feeding roller cleaning sheet 12 is locked to the sheet cassette 8 by the first hook 13a, the sheet feeding rollers 9, 10,
It is not sent into the printer body 1 by the rotation of 11. Further, the sheet feeding roller cleaning sheet 12 has a second hook.
Since it is also locked to the paper cassette 8 by 13b,
There is no play during cleaning.

The sheet body is not limited to the mount 13, but has a proper elasticity so that it can be deformed along the paper path when cleaning the paper feed roller located in the complicated paper path. Those are preferable. Further, although the first and second cleaning cloths 14 and 15 are shown as the cleaning members in the above-mentioned embodiment, the position, shape and number of the cleaning members may be determined according to the sheet feeding roller, and are limited to the above-mentioned embodiments. It is not something that will be done.

Example 2. Next, FIG. 5 is a perspective view showing a sheet feeding roller cleaning sheet according to an embodiment of the invention of claim 2, FIG. 6 is a sectional view of a portion of the cleaning member of FIG. 5, and a mount 13 is the same as in the first embodiment. Is. In the figure, reference numerals 16 and 17 denote cleaning members attached to the mount 13 two by two, and these cleaning members 16 and 17 are impregnated with a cleaning liquid in advance. Reference numeral 18 is a sealing material that is provided so as to cover the surfaces of the cleaning members 16 and 17 and seals the cleaning liquid.

The cleaning members 16 and 17 and the sealing material 18 are joined to the mount 13 by, for example, heat welding 16a and 18a. Furthermore, the sealing material 18 has an ear part for easy removal.
18b is provided.

In such a sheet feeding roller cleaning sheet, the cleaning members 16 and 17 are preliminarily impregnated with the specified cleaning liquid before use, and the cleaning liquid is sealed by the sealing material 18. Therefore, at the time of use, squeeze the ear portion 18b and seal it.
After peeling off 18, the sheet cassette 8 (FIG. 3) may be mounted as in the first embodiment. As a result, as in the first embodiment, the paper feed rollers 9, 10, 11 (FIG. 1) are cleaned.

Here, in the conventional method for cleaning the paper feed roller, cleaning liquids other than those specified by the manufacturer may be used, but in the second embodiment, the cleaning members 16 and 17 are used.
Since the specified cleaning liquid is pre-impregnated and sealed,
Prevents the use of cleaning liquids other than those specified.

Example 3. Next, FIG. 7 is a perspective view showing a sheet feeding roller cleaning sheet according to an embodiment of the invention of claim 3, and FIG. 8 is a sectional view of a portion of the cleaning member of FIG. In the figure, 19 and 20 are Velcro tapes fixed to the cleaning members 16 and 17 and the mount 13, respectively.
The cleaning members 16 and 17 can be attached to and detached from the mount 13 by 9 and 20. The other parts are the same as those in the second embodiment.

With such a sheet feeding roller cleaning sheet, it is possible to use the sheet by removing the sealing material 18 as in the second embodiment. Further, in the third embodiment, since the cleaning members 16 and 17 impregnated with the designated cleaning liquid can be attached to and removed from the mount 13, the dirty cleaning members 16 and 17 can be easily replaced. . For replacement of the cleaning members 16 and 17, for example, spare cleaning members 16 and 17 (having a velcro tape 19) housed in a seal case (not shown) may be used. As a result, the cleaning liquid other than the designated cleaning liquid is not used even after the replacement.

In the third embodiment, the velcro tape 1 is used.
The cleaning members 16 and 17 can be attached and detached by 9 and 20, but if they can be firmly fixed against the action of force in the shearing direction and can be removed as needed, they can be attached by other attachment methods. Good.

[0026]

As described above, the sheet feeding roller cleaning sheet of the printer according to the present invention is fed to the sheet body detachably mounted in the sheet cassette by contacting the surface of the sheet feeding roller. Since the cleaning member for cleaning the rollers is attached and the sheet body is provided with the engaging portion which is engaged with the sheet cassette, the effect that the sheet feeding roller can be easily cleaned without disassembling the printer is provided. Play.

Further, in the sheet feeding roller cleaning sheet of the printer according to the second aspect of the invention, the cleaning member is preliminarily impregnated with the cleaning liquid, and the cleaning liquid is sealed by the sealing material, and the sealing material is removed at the time of use. As a result, in addition to the effect of the first aspect of the invention, it is possible to prevent the use of the cleaning liquid other than the designated cleaning liquid, and it is possible to increase the reliability of the printer.

Further, in the sheet feeding roller cleaning sheet of the printer according to the invention of claim 3, a cleaning member impregnated with a cleaning liquid is used.
Since it is detachable from the seat body, the above-mentioned claim 2
In addition to the effect of the invention described above, the effect that the dirty cleaning member can be easily replaced and the economical efficiency is improved can be obtained.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state in which a paper feed roller cleaning sheet according to an embodiment of the present invention is mounted on a printer.

FIG. 2 is a perspective view showing a sheet feeding roller cleaning sheet of FIG.

FIG. 3 is a perspective view showing a method of mounting the paper feed roller cleaning sheet of FIG. 1 in a printer.

FIG. 4 is a perspective view showing the relationship between the paper feed roller and the paper feed roller cleaning sheet of FIG.

FIG. 5 is a perspective view showing a sheet feeding roller cleaning sheet according to an embodiment of the invention of claim 2;

6 is a sectional view of a portion of the cleaning member of FIG.

FIG. 7 is a perspective view showing a sheet feeding roller cleaning sheet according to an embodiment of the invention of claim 3;

8 is a sectional view of a portion of the cleaning member of FIG.

[Explanation of symbols]

 8 Paper Cassette 9 First Paper Feed Roller 10 Second Paper Feed Roller 11 Paper Feed Auxiliary Roller 12 Paper Feed Roller Cleaning Sheet 13 Mount (Sheet Body) 13a First Hook (Locking Part) 14 First Cleaning Cloth (Cleaning member) 15 Second cleaning cloth (cleaning member) 16 Cleaning member 17 Cleaning member 18 Sealing material

Claims (3)

[Claims] 1. A sheet body detachably attached to a sheet cassette, and a sheet roller attached to the sheet body, which rotates to bring the sheet roller into contact with the surface of the sheet feed roller. And a cleaning member for cleaning,
A sheet feeding roller cleaning sheet for a printer, characterized in that the sheet body is provided with an engaging portion which is engaged with the sheet cassette in order to prevent the sheet body from being fed into the printer body. .. 2. A sheet main body detachably attached to a paper cassette; a sheet main body attached to the sheet main body and impregnated with a cleaning liquid; A cleaning member that contacts the surface of the sheet feeding roller to clean the sheet feeding roller; and a seal member that is detachably provided on the cleaning member when used and seals the cleaning liquid. To prevent it from being fed into the printer body,
A sheet feeding roller cleaning sheet for a printer, characterized in that an engaging portion which is engaged with the sheet cassette is provided. 3. A sheet body detachably mounted in a sheet cassette; a sheet body detachably attached to the sheet body; A cleaning member that contacts the surface of the sheet feed roller to clean the sheet feed roller, and is locked to the sheet cassette to prevent the sheet body from being fed into the printer body. A sheet feeding roller cleaning sheet for a printer, characterized in that a locking portion is provided.