JP2696038B2 - Printer feed roller cleaning sheet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art In general, 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 feeding cannot be performed. , Paper jams and the like. For this reason, 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 a cleaning operation has been performed by disassembling the printer and exposing the sheet feeding roller to the outside.

[0003]

In the above-described conventional method of cleaning the paper feed roller, it is necessary to disassemble the printer or reassemble the printer after cleaning, so that there is a problem that it takes time and effort. . In addition, a cleaning liquid other than that specified by the manufacturer may be used, so that 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-described problems, and a feed roller of a printer which can easily clean the feed roller without disassembling the printer. The purpose is to obtain a cleaning sheet.

[0005]

According to the first aspect of the present invention, a sheet feeding roller cleaning sheet for a printer according to the present invention is provided on a sheet body detachably mounted on a sheet cassette, in contact with the surface of the sheet feeding roller. And a locking portion for locking the sheet cassette is provided on the sheet body.

According to a second aspect of the present invention, in the sheet feeding roller cleaning sheet of the printer, the cleaning member is impregnated with the cleaning liquid in advance, and the cleaning liquid is sealed with a sealing material.
The seal material is removed during use.

According to a third aspect of the present invention, in the sheet feeding roller cleaning sheet of the printer, a cleaning member impregnated with a cleaning liquid is detachably attached to the sheet 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. To prevent the sheet body from being fed into the printer body.

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

According to the third aspect of the present invention, by making the cleaning member impregnated with the cleaning liquid detachable, the cleaning member can be used repeatedly only by replacing the cleaning member, and a cleaning liquid other than specified is used. To prevent

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. Embodiment 1 FIG. FIG. 1 is a sectional view showing a state in which a sheet feeding roller cleaning sheet according to an embodiment of the present invention is mounted on a printer.

In the drawing, 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 a portion between the thermal head 2 and the platen roller 3. Are the first, second and third paper guides arranged in the printer body 1 and forming a paper path.

Reference numeral 8 denotes a paper cassette which is detachably mounted on the printer main body 1. Reference numeral 9 denotes a paper cassette which is provided above the paper cassette 8, and transfers paper (not shown) in the paper cassette 8 to the first paper guide 5 side. A first feeding roller having a D-shaped cross section for feeding,
Reference numeral 10 denotes a second paper feed roller which 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, and the second
A paper feed auxiliary roller that is rotated by the rotation of the paper feed roller 10,
Reference numeral 12 denotes a sheet feeding roller cleaning sheet which is detachably mounted on the sheet cassette 8 and cleans the sheet feeding rollers 9, 10, and 11.

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

Reference numeral 14 denotes a first cleaning cloth as a cleaning member, two of which are adhered to the mount 13 so that the first paper feeding roller 9 comes into contact with the first cleaning cloth. Reference numeral 15 denotes a second paper feeding roller 10 and a paper feeding auxiliary. Roller 11
Is a second cleaning cloth as a cleaning member, two of which are adhered to the end of the backing paper 13 so that the first and second cleaning cloths 14 and 15 are in contact with each other. And a cleaning liquid such as ethyl alcohol. Further, the first and second cleaning cloths 14 and 15 are colored differently from the mount paper 13 so as to facilitate the impregnation of the cleaning liquid.

When using the paper feed roller cleaning sheet 12 configured as described above, as shown in FIG. 3, the paper feed roller cleaning sheet 12 is mounted on the paper cassette 8, and the paper cassette 8 is attached to the printer main body 1. Mounting. As a result, as shown in FIG. 4, the sheet feeding roller cleaning sheet 12 is set at a position where each sheet feeding roller 9, 10, 11 comes into contact with each cleaning cloth 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.

The use of such a paper feed roller cleaning sheet 12 makes it possible to easily clean the paper feed rollers 9, 10, and 11 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, each sheet feeding roller 9, 10,
It is not fed into the printer body 1 by the rotation of 11. Further, the sheet feeding roller cleaning sheet 12 is provided with a second hook.
Since it is also locked to the paper cassette 8 by 13b,
No rattling occurs during cleaning.

The sheet body is not limited to the backing paper 13, but has a suitable elasticity so that it can be deformed along the paper path when cleaning the paper feed roller located in the complicated paper path. Are preferred. In the above embodiment, the first and second cleaning cloths 14 and 15 are shown as the cleaning members. However, the position, shape and number of the cleaning members may be determined according to the paper feed roller, and are limited to the above embodiments. It is not something to be done.

Embodiment 2 FIG. Next, FIG. 5 is a perspective view showing a sheet feeding roller cleaning sheet according to an embodiment of the present invention, and FIG. 6 is a cross-sectional view of a cleaning member of FIG. It 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 denotes a seal member provided so as to cover the surfaces of the cleaning members 16 and 17, and for sealing the cleaning liquid.

Further, the cleaning members 16, 17 and the sealing material 18 are connected to the backing paper 13 by, for example, heat welding 16a, 18a. In addition, the sealing material 18 has ears for easy removal.
18b is provided.

In such a sheet feed roller cleaning sheet, the cleaning members 16 and 17 are impregnated with a specified cleaning liquid before use, and the cleaning liquid is sealed by the sealant 18. Therefore, in use, pinch the ears 18b to seal
After peeling off the sheet 18, the sheet 18 may be set in the sheet cassette 8 (FIG. 3) in the same manner as in the first embodiment. Thus, similarly to the first embodiment, each of the sheet feeding rollers 9, 10, and 11 (FIG. 1) is cleaned.

Here, in the conventional method of cleaning the paper feed roller, a cleaning liquid other than that specified by the manufacturer was used in some cases. However, in the case of the second embodiment, the cleaning members 16 and 17 were used.
Since the specified cleaning liquid is impregnated and sealed in advance,
Use of a cleaning liquid other than specified is prevented.

Embodiment 3 FIG. Next, FIG. 7 is a perspective view showing a sheet feeding roller cleaning sheet according to one embodiment of the third aspect of the present invention, and FIG. 8 is a sectional view of a portion of the cleaning member of FIG. In the figure, reference numerals 19 and 20 denote magic tapes fixed to the cleaning members 16, 17 and the backing sheet 13, respectively.
9 and 20, the cleaning members 16 and 17 can be attached to and detached from the mount 13. The other parts are the same as in the second embodiment.

As in the case of the second embodiment, such a sheet feed roller cleaning sheet can be used by peeling off the sealing material 18. Further, in the third embodiment, since the cleaning members 16 and 17 impregnated with the specified cleaning liquid are detachable 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 (with a magic tape 19) housed in a seal case (not shown) may be used. Thus, the cleaning liquid other than the designated cleaning liquid is not used even after the replacement.

In the third embodiment, the magic tape 1 is used.
The cleaning members 16 and 17 are made removable by 9 and 20, but if they can be firmly fixed against the action of the force in the shear direction and can be removed as needed, they can be mounted by other mounting methods. Is also good.

[0026]

As described above, the paper feed roller cleaning sheet of the printer according to the first aspect of the present invention feeds a sheet body detachably mounted on a paper cassette by contacting the surface of the paper feed roller. A cleaning member that cleans the rollers is attached, and a locking portion that locks to the paper cassette is provided on the sheet body, so that the paper feed rollers can be easily cleaned without disassembling the printer. Play. Further
The sheet body is separate from the paper cassette.
Can be deformed along the paper path of the printer
Therefore, not only the first paper feed roller on the paper cassette,
A second paper feed roller located in the middle of the paper path further back
Can also be cleaned at the same time.

In the sheet feeding roller cleaning sheet of the printer according to the present invention, the cleaning member is impregnated with the cleaning liquid in advance, the cleaning liquid is sealed with a sealing material, and the sealing material is removed when used. As a result, in addition to the effect of the first aspect of the present invention, it is possible to prevent the use of a cleaning liquid other than the designated cleaning liquid, and to provide an effect that the reliability of the printer can be reduced.

Further, in the paper feed roller cleaning sheet of the printer according to the present invention, the cleaning member impregnated with the cleaning liquid includes:
Claim 2 because the seat body is detachable from the seat body.
In addition to the effects of the invention, the dirty cleaning member can be easily replaced, and the economic efficiency is improved.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a state in which a sheet feeding 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. 1;

FIG. 3 is a perspective view illustrating a method of mounting the sheet feed roller cleaning sheet of FIG. 1 on a printer.

FIG. 4 is a perspective view illustrating a relationship between a sheet feeding roller and a sheet feeding roller cleaning sheet in FIG. 1;

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

FIG. 6 is a sectional view of a portion of the cleaning member of FIG. 5;

FIG. 7 is a perspective view showing a sheet feed roller cleaning sheet according to an embodiment of the present invention.

FIG. 8 is a sectional view of a part of the cleaning member of FIG. 7;

[Explanation of symbols]

 Reference Signs List 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 base paper (sheet body) 13a first hook (locking portion) 14 first cleaning cloth (Cleaning member) 15 Second cleaning cloth (Cleaning member) 16 Cleaning member 17 Cleaning member 18 Sealing material

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-225041 (JP, A) JP-A-2-198949 (JP, A) JP-A-4-327434 (JP, A) 185159 (JP, U) Japanese Utility Model 3-95334 (JP, U) Japanese Utility Model 4-42130 (JP, U)

Claims (3)

(57) [Claims] 1. A is detachably attached to the paper cassette, flop
A seat body deformable along the paper path of the printer attached to the seat main body, for the said printer
When the first paper feed roller disposed above the paper cassette rotates, the first paper feed roller and the paper
It on the surface of the second sheet feed roller provided in the middle of the path
Cleaning the first and second paper feed rollers in contact with each other
A plurality of cleaning members, wherein the sheet main body is provided with a locking portion which is locked to the paper cassette in order to prevent the sheet main body from being fed into the printer main body. Paper feed roller cleaning sheet for the printer. 2. A is detachably attached to the paper cassette, flop
A sheet body deformable along the paper path of the linter ; a cleaning liquid impregnated with the sheet body attached to the sheet body ;
By first feeding roller disposed above rotates, the first paper feed roller, and in the middle of the paper path
Provided capable the cleaning member removably in use with a plurality of cleaning members for cleaning the second paper feed roller and the first and second sheet feed roller in contact respectively on the surface of which is provided,
A sealing member for sealing the cleaning liquid, wherein the sheet main body is provided with a locking portion which is locked to the paper cassette in order to prevent the sheet main body from being fed into the printer main body. A sheet feeding roller cleaning sheet for a printer. 3. is detachably attached to the paper cassette, flop
A seat body deformable along the paper path of the printer, with detachably attached to the seat body, are impregnated with cleaning fluid, the paper of the printer
When the first paper feed roller disposed above the cassette is rotated, the first paper feed roller and the paper path are rotated.
It on the surface of the second sheet feed roller provided in the middle of the road
It is in contact with multiple cleaning the first and second feed roller
A plurality of cleaning members, wherein the sheet main body is provided with a locking portion which is locked to the paper cassette in order to prevent the sheet main body from being fed into the printer main body. Paper feed roller cleaning sheet for the printer.