JPH08238782A - Waste ink container in ink jet recording device - Google Patents

Waste ink container in ink jet recording device

Info

Publication number
JPH08238782A
JPH08238782A JP7452495A JP7452495A JPH08238782A JP H08238782 A JPH08238782 A JP H08238782A JP 7452495 A JP7452495 A JP 7452495A JP 7452495 A JP7452495 A JP 7452495A JP H08238782 A JPH08238782 A JP H08238782A
Authority
JP
Japan
Prior art keywords
ink
hole
waste ink
diameter
discharge tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7452495A
Other languages
Japanese (ja)
Other versions
JP3185910B2 (en
Inventor
Akihiko Kadowaki
昭彦 門脇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP7452495A priority Critical patent/JP3185910B2/en
Publication of JPH08238782A publication Critical patent/JPH08238782A/en
Application granted granted Critical
Publication of JP3185910B2 publication Critical patent/JP3185910B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Ink Jet (AREA)

Abstract

PURPOSE: To prevent scattering of an ink from a waste ink container which discharges the ink sucked and removed from a head. CONSTITUTION: A connecting hole 16 of an absorbing member 15 to which an ink discharging tube 11 is to be connected is formed into a stepped shape consisting of a small hole 16a and a large hole 16b. The discharging tube 11 is inserted into the small hole 16a. Thus, an ink to be discharged from the discharging tube 11 flows to a large space to be formed by the large hole 16b. Even when absorption of the ink by the absorbing member 15 can not overtake the inflow of the ink, the ink does not overflow out of a waste ink container 12.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、ノズルからインク滴
を噴射しながら記録を行うインクジェット記録装置に関
し、特にインクジェット記録ヘッドから吸引除去した廃
インクを排出するための廃インク容器に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink jet recording apparatus for recording while ejecting ink droplets from nozzles, and more particularly to a waste ink container for discharging waste ink sucked and removed from an ink jet recording head.

【0002】[0002]

【従来の技術】図3はこの種のインクジェット記録装置
の要部を示す斜視図である。図において、インクタンク
1と柔軟なチューブ2を介して接続されたインクジェッ
ト記録ヘッド(以下、単にヘッドという)3は、ガイド
軸4及び5に案内されて矢印で示す主走査方向に移動す
るキャリッジ6に搭載され、プレート7上に供給された
用紙8にインク滴を噴射しながら記録を行う。その場
合、ヘッド3の内部に気泡や異物が混入したり、ノズル
部でインク乾燥が発生したりすると記録が不安定とな
り、ときには記録不能になることがある。そのため、図
3に示すようにヘッド3のノズル部を密閉するキャップ
装置9と、その内部に負圧を発生するポンプ装置10と
をキャリッジ6のストローク端に設け、記録不良が生じ
た際にはヘッド3から気泡、異物、乾燥インクなどを廃
インク容器に吸引除去して機能回復を図るようにしてい
る。
2. Description of the Related Art FIG. 3 is a perspective view showing an essential part of an ink jet recording apparatus of this type. In the figure, an ink jet recording head (hereinafter, simply referred to as a head) 3 connected to an ink tank 1 via a flexible tube 2 is guided by guide shafts 4 and 5 and a carriage 6 that moves in a main scanning direction indicated by an arrow. The recording is performed while ejecting ink droplets onto the paper 8 that is mounted on the paper 8 and is supplied onto the plate 7. In that case, if air bubbles or foreign matter enter the inside of the head 3 or if ink is dried at the nozzle portion, the recording becomes unstable, and sometimes recording becomes impossible. Therefore, as shown in FIG. 3, a cap device 9 for sealing the nozzle portion of the head 3 and a pump device 10 for generating a negative pressure inside the cap device 9 are provided at the stroke end of the carriage 6, and when a recording defect occurs, Bubbles, foreign matters, dry ink, etc. are sucked and removed from the head 3 into the waste ink container to recover the function.

【0003】図4は従来の上記廃インク容器を示す縦断
面図である。図において、ポンプ装置10で吸引除去さ
れた廃インクを排出チューブ11を通して受け入れる廃
インク容器12は、平箱状のケース13とこれに全周熱
シールされて装着される蓋板14とからなる樹脂容器
に、廃インクを吸収保持する吸収部材15を内蔵して構
成されている。吸収部材15には保水性のよいパルプシ
ートが用いられている。蓋板14と吸収部材15のチュ
ーブ接続部には、排出チューブ11の外径に適合する接
続穴14aと16とが貫通して設けられ、吸収部材15
の接続穴16には蓋板14の接続穴14aを通して排出
チューブ11の先端がほぼ半分の深さ位置まで差し込ま
れている。なお、接続穴16に先端が差し込まれた排出
チューブ11は、その手前で図示しない把持金具により
蓋板14に固定されている。このような廃インク容器1
2において、排出チューブ11から廃インクが排出され
ると、この廃インクは接続穴16の下半部に流入し、そ
の内周壁面を通して吸収部材15に吸収される。
FIG. 4 is a vertical sectional view showing the conventional waste ink container. In the figure, a waste ink container 12 that receives the waste ink sucked and removed by a pump device 10 through a discharge tube 11 is made of a flat box-shaped case 13 and a cover plate 14 that is heat-sealed around the case 13 and is a resin. An absorption member 15 that absorbs and holds the waste ink is built in the container. A pulp sheet having good water retention is used for the absorbing member 15. The tube connecting portions of the cover plate 14 and the absorbing member 15 are provided with connecting holes 14a and 16 that match the outer diameter of the discharge tube 11 so as to penetrate therethrough.
The distal end of the discharge tube 11 is inserted into the connection hole 16 of the cover plate 14 through the connection hole 14a of the cover plate 14 to a depth position of about half. The discharge tube 11 whose tip is inserted into the connection hole 16 is fixed to the cover plate 14 by a grip fitting (not shown) in front of the discharge tube 11. Such a waste ink container 1
In FIG. 2, when the waste ink is discharged from the discharge tube 11, the waste ink flows into the lower half portion of the connection hole 16 and is absorbed by the absorbing member 15 through the inner peripheral wall surface thereof.

【0004】[0004]

【発明が解決しようとする課題】ところが、従来の廃イ
ンク容器12はインクの吸収速度が排出チューブ11か
らの流入速度に間に合わず、排出チューブ11と接続穴
14a,16との間の隙間からインクが飛び散るという
問題があった。このインクの飛び散りはインクが脈流の
ときよりも層流のときが特に激しい。吸収部材15の吸
収速度は密度と密接な関係があり、密度が小さいと吸収
速度は大きくなるが、その反面で保水性が悪くなり傾け
るとインクが垂れるなどの不具合を生じる。そのため、
吸収部材15の密度を小さくするには限度がある。この
発明は、吸収部材の材質が同じでもインクの吸収速度が
従来より大きく、インクの飛び散りが生じないインクジ
ェット記録装置の廃インク容器を提供することを目的と
するものである。
However, in the conventional waste ink container 12, the ink absorption speed does not match the inflow speed from the discharge tube 11, and the ink is discharged from the gap between the discharge tube 11 and the connection holes 14a and 16a. There was a problem that was scattered. The splattering of the ink is particularly intense when the ink is laminar, rather than when it is pulsating. The absorbing speed of the absorbing member 15 is closely related to the density. When the absorbing density is low, the absorbing speed is high, but on the other hand, the water retention is poor and when tilted, problems such as ink dripping occur. for that reason,
There is a limit in reducing the density of the absorbing member 15. An object of the present invention is to provide a waste ink container of an ink jet recording apparatus which has a higher ink absorption speed than the conventional one even if the material of the absorbing member is the same and does not cause ink scattering.

【0005】[0005]

【課題を解決するための手段】上記目的を達成するため
に、この発明は、ノズルからインク滴を噴射しながら記
録を行うインクジェット記録ヘッドを備えたインクジェ
ット記録装置に用いられ、印字不良などの発生時に前記
インクジェット記録ヘッドからポンプ装置により吸引除
去された廃インクを排出チューブを通して受け入れると
ともに、この廃インクを内蔵するシート状の吸収部材に
吸収させて保持するインクジェット記録装置の廃インク
容器において、吸収部材の排出チューブ接続部に、排出
チューブの外形に適合する直径の小径穴とそれより直径
の大きい大径穴とからなる段付状の接続穴を設け、この
接続穴の前記小径穴部に前記排出チューブを差し込むも
のとする。
In order to achieve the above object, the present invention is used in an ink jet recording apparatus equipped with an ink jet recording head for recording while ejecting ink droplets from a nozzle, and the occurrence of printing defects and the like. In a waste ink container of an ink jet recording apparatus, the waste ink sucked and removed from the ink jet recording head by a pump device is sometimes received through a discharge tube, and the waste ink is absorbed and held by a sheet-shaped absorbing member containing the waste ink. The discharge tube connecting part is provided with a stepped connection hole consisting of a small diameter hole having a diameter matching the outer shape of the discharge tube and a large diameter hole having a diameter larger than that, and the discharge hole is connected to the small diameter hole part of this connection hole. The tube shall be plugged in.

【0006】その場合、2枚重ね以上とした吸収部材を
上下2層に区分し、上層の前記吸収部材には排出チュー
ブの外形に適合する直径の小径穴を設け、下層の前記吸
収部材にはこの小径穴と同心にそれより直径の大きい大
径穴を設け、この大径穴と前記小径穴とを重ねて段付状
の接続穴を形成すれば吸収部材の加工が容易となる。
In this case, two or more absorbent members are divided into upper and lower layers, the upper absorbent member is provided with a small diameter hole having a diameter adapted to the outer shape of the discharge tube, and the lower absorbent member is provided. If a large diameter hole having a diameter larger than that of the small diameter hole is provided concentrically and the large diameter hole and the small diameter hole are overlapped to form a stepped connection hole, the absorbing member can be easily processed.

【0007】[0007]

【作用】この発明においては、吸収部材の排出チューブ
接続穴を、排出チューブの外形に適合する直径の小径穴
とそれより直径の大きい大径穴とからなる段付状とし、
この接続穴の小径穴部に排出チューブを差し込む。これ
により、以下の理由でインクの飛び散りが抑えられる。 (1) 排出チューブから排出されたインクが流入する接続
穴の下半部が排出チューブの外径より直径の大きい大径
穴となっているので、流入したインクを受け入れる空間
の容積が広く、この部分がダンパとなってインクの流入
速度と吸収速度とのアンバランスが緩衝される。 (2) 接続穴の段部がインクが流入する空間の天井を形成
し、飛び上がったインク滴はこの天井に跳ね返されるの
で外部に飛び出しにくい。 (3) 大径穴からなるインク流入空間は内周壁面の面積が
大きく、吸収部材のインクとの接触面が拡がるので吸収
速度が速まる。
In the present invention, the discharge tube connecting hole of the absorbing member has a stepped shape consisting of a small diameter hole having a diameter suitable for the outer shape of the discharge tube and a large diameter hole having a diameter larger than that.
Insert the discharge tube into the small diameter hole of this connection hole. As a result, ink scattering is suppressed for the following reasons. (1) Since the lower half of the connection hole into which the ink discharged from the discharge tube flows is a large diameter hole whose diameter is larger than the outer diameter of the discharge tube, the volume of the space that receives the flowed ink is large. The portion serves as a damper to buffer the imbalance between the ink inflow speed and the ink absorption speed. (2) The stepped portion of the connection hole forms the ceiling of the space into which the ink flows, and the ink droplets that have jumped up are repelled by this ceiling, so it is difficult for the ink droplets to jump out. (3) The ink inflow space consisting of a large diameter hole has a large area of the inner peripheral wall surface, and the contact surface of the absorbing member with the ink is expanded, so that the absorbing speed is increased.

【0008】吸収部材の接続穴は単独で段付状に形成す
ることも可能であるが、上下2層に区分した吸収部材の
各層にそれぞれ小径穴と大径穴とを設け、これらを重ね
て段付状に形成するようにすれば、各層の穴は打抜きで
形成できるので吸収部材の加工が容易となる。
Although it is possible to form the connecting holes of the absorbing member independently in a stepped manner, a small-diameter hole and a large-diameter hole are provided in each layer of the absorbing member divided into upper and lower two layers, and these are overlapped. If it is formed in a stepped shape, the holes in each layer can be formed by punching, which facilitates the processing of the absorbing member.

【0009】[0009]

【実施例】図1及び図2はこの発明の実施例を示すもの
で、図1は廃インク容器の断面図、図2は吸収部材の平
面図である。図において、廃インク容器12のケース1
3と蓋板14とは従来通りであるが、吸収部材15はこ
の場合は上下2枚のシート15aを重ねて構成され、シ
ート15aには排出チューブ11の外径に適合する小径
穴16aとこれより直径が大きい(ほぼ3倍)の大径穴
16bとが対になって打抜き形成されている。ここで、
シート15aの小径穴16aと大径穴16bとは、ケー
ス13に納められたときにいずれもが蓋板14の接続穴
14aと同心に重なる位置に図の左右対称にあけられて
いる。
1 and 2 show an embodiment of the present invention. FIG. 1 is a sectional view of a waste ink container and FIG. 2 is a plan view of an absorbing member. In the figure, the case 1 of the waste ink container 12
3 and the lid plate 14 are the same as the conventional ones, the absorbing member 15 in this case is constructed by stacking two upper and lower sheets 15a, and the sheet 15a has a small-diameter hole 16a adapted to the outer diameter of the discharge tube 11 and this. A large-diameter hole 16b having a larger diameter (approximately three times) is punched and formed as a pair. here,
The small-diameter hole 16a and the large-diameter hole 16b of the seat 15a are formed symmetrically in the figure at positions where both the small-diameter hole 16a and the large-diameter hole 16b are concentrically overlapped with the connection hole 14a of the cover plate 14 when they are housed in the case 13.

【0010】そこで、2枚のシート15aは互い違いに
重ねられ、かつ上層の小径穴16aと蓋板14の接続穴
14aとが連続するようににケース13に納められてい
る。これにより、吸収部材15には接続穴14aと同心
に、上層の小径穴16aと下層の大径穴16bとからな
る段付状の接続穴16が形成されている。そして、吸収
部材15の接続穴16には、排出チューブ11が小径穴
16aの範囲まで差し込まれ従来通り固定されている。
Therefore, the two sheets 15a are alternately stacked, and are housed in the case 13 so that the small-diameter holes 16a in the upper layer and the connection holes 14a of the cover plate 14 are continuous. As a result, a stepped connection hole 16 consisting of a small diameter hole 16a in the upper layer and a large diameter hole 16b in the lower layer is formed in the absorbing member 15 concentrically with the connection hole 14a. Then, the discharge tube 11 is inserted into the connection hole 16 of the absorbing member 15 up to the range of the small diameter hole 16a and fixed as usual.

【0011】図示構成によれば、大径穴16bで形成さ
れるインク流入空間は排出チューブ11の外径と等径の
従来構成よりも広く、インクの流入速度が吸収部材15
の吸収速度を上回る状態が生じても相当量のインクを溜
めておけるので、インクが外に溢れ出ることがない。ま
た、接続穴16の段部16cはインク流入空間の天井を
形成し、飛び上がったインク滴はこの天井16cで跳ね
返されるので外部に飛び出しにくい。更に、大径穴16
bからなるインク流入空間は内周壁面の面積が大きく、
吸収部材15のインクとの接触面が広いので吸収速度が
従来構成より速くなる。
According to the illustrated construction, the ink inflow space formed by the large-diameter hole 16b is wider than the conventional construction having the same diameter as the outer diameter of the discharge tube 11, and the ink inflow speed is the same.
Even if a state in which the absorption rate exceeds the absorption rate occurs, a considerable amount of ink can be stored, so that the ink does not overflow. Further, the step portion 16c of the connection hole 16 forms a ceiling of the ink inflow space, and the ink droplets that have jumped up are repelled by the ceiling 16c, so that they do not easily fly out to the outside. Furthermore, large diameter hole 16
The ink inflow space consisting of b has a large area of the inner peripheral wall surface,
Since the contact surface of the absorbing member 15 with the ink is wide, the absorbing speed becomes faster than that of the conventional structure.

【0012】一方、図示構成においては、吸収部材15
をシート15aの2枚重ねとし、上層の小径穴16aと
下層の大径穴16bとを重ねて段付状の接続穴16を形
成しているので、各穴16a,16bはいずれもプレス
による打抜きにより形成可能であり加工が容易である。
しかも、シート15aには小径穴16aと大径穴16b
とを対にして対称に設け、これを互い違いに重ねて段付
状の接続穴16を形成しているので、シート15aは1
種類で済み管理が容易である。なお、図示実施例ではシ
ート15aを2枚重ねとしたが、シート15aをもっと
薄くして積層枚数を増やすことは自由である。
On the other hand, in the illustrated construction, the absorbing member 15
Is formed by stacking two sheets 15a, and a small-diameter hole 16a in the upper layer and a large-diameter hole 16b in the lower layer are overlapped to form a stepped connection hole 16, so that each of the holes 16a and 16b is punched by a press. Can be formed and is easy to process.
Moreover, the seat 15a has a small diameter hole 16a and a large diameter hole 16b.
And 15 are provided symmetrically in pairs, and the stepped connection holes 16 are formed by stacking them alternately, so that the sheet 15a
Easy to manage by type. Although the two sheets 15a are stacked in the illustrated embodiment, the number of sheets can be increased by making the sheets 15a thinner.

【0013】[0013]

【発明の効果】この発明は、吸収部材の排出チューブ接
続穴を段付状としたので、従来と同じ材質の吸収部材を
用ながら廃インクの受け入れ能力を高め、インクの飛び
散りを有効に解消することができる。また、その場合、
それぞれ小径穴と大径穴とを設けた上下2層の吸収部材
を重ねて段付状の接続穴を形成すれば、各層吸収部材の
穴を打抜きで形成できるので、吸収部材を安価に製作で
きる。
According to the present invention, since the discharge tube connection hole of the absorbing member has a stepped shape, the absorbing ability of the waste ink is enhanced while the absorbing member made of the same material as the conventional one is used, and the scattering of the ink is effectively eliminated. be able to. Also, in that case,
By forming the stepped connection hole by stacking the upper and lower two layers of absorbing members each having a small diameter hole and a large diameter hole, the holes of each layer absorbing member can be formed by punching, so that the absorbing member can be manufactured at low cost. .

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の実施例を示す廃インク容器の縦断面
図である。
FIG. 1 is a vertical sectional view of a waste ink container showing an embodiment of the present invention.

【図2】図1における吸収部材の平面図である。FIG. 2 is a plan view of the absorbing member in FIG.

【図3】インクジェット記録装置の要部斜視図である。FIG. 3 is a perspective view of a main part of the inkjet recording apparatus.

【図4】図3における廃インク容器の縦断面図である。FIG. 4 is a vertical sectional view of the waste ink container in FIG.

【符号の説明】[Explanation of symbols]

1 インクタンク 2 チューブ 3 インクジェット記録ヘッド 9 キャップ装置 10 ポンプ装置 11 排出チューブ 12 廃インク容器 13 ケース 14 蓋板 14a 接続穴 15 吸収部材 16 接続穴 16a 小径穴 16b 大径穴 1 Ink Tank 2 Tube 3 Inkjet Recording Head 9 Cap Device 10 Pump Device 11 Discharge Tube 12 Waste Ink Container 13 Case 14 Cover Plate 14a Connection Hole 15 Absorbing Member 16 Connection Hole 16a Small Diameter Hole 16b Large Diameter Hole

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】ノズルからインク滴を噴射しながら記録を
行うインクジェット記録ヘッドを備えたインクジェット
記録装置に用いられ、印字不良などの発生時に前記イン
クジェット記録ヘッドからポンプ装置により吸引除去さ
れた廃インクを排出チューブを通して受け入れるととも
に、この廃インクを内蔵するシート状の吸収部材に吸収
させて保持するインクジェット記録装置の廃インク容器
において、 吸収部材の排出チューブ接続部に、排出チューブの外形
に適合する直径の小径穴とそれより直径の大きい大径穴
とからなる段付状の接続穴を設け、この接続穴の前記小
径穴部に前記排出チューブを差し込んだことを特徴とす
るインクジェット記録装置の廃インク容器。
1. A waste ink which is used in an inkjet recording apparatus having an inkjet recording head for recording while ejecting ink droplets from a nozzle, and waste ink sucked and removed from the inkjet recording head by a pump device when a printing defect occurs. In a waste ink container of an inkjet recording device that receives this waste ink through a discharge tube and absorbs and holds this waste ink in a sheet-shaped absorption member that contains it, the discharge tube connection part of the absorption member must have a diameter that matches the outer shape of the discharge tube. A waste ink container for an ink jet recording apparatus, characterized in that a stepped connection hole consisting of a small diameter hole and a large diameter hole having a diameter larger than that is provided, and the discharge tube is inserted into the small diameter hole portion of the connection hole. .
【請求項2】2枚重ね以上とした吸収部材を上下2層に
区分し、上層の前記吸収部材には排出チューブの外形に
適合する直径の小径穴を設け、下層の前記吸収部材には
この小径穴と同心にそれより直径の大きい大径穴を設
け、この大径穴と前記小径穴とを重ねて段付状の接続穴
を形成したことを特徴とする請求項2記載のインクジェ
ット記録装置の廃インク容器。
2. An absorbent member made up of two or more layers is divided into upper and lower layers, a small hole having a diameter adapted to the outer shape of a discharge tube is provided in the upper absorbent member, and the lower absorbent member is provided with this small hole. 3. An ink jet recording apparatus according to claim 2, wherein a large-diameter hole having a diameter larger than that of the small-diameter hole is provided concentrically, and the large-diameter hole and the small-diameter hole are overlapped to form a stepped connection hole. Waste ink container.
JP7452495A 1995-03-07 1995-03-07 Waste ink container of inkjet recording device Expired - Fee Related JP3185910B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7452495A JP3185910B2 (en) 1995-03-07 1995-03-07 Waste ink container of inkjet recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7452495A JP3185910B2 (en) 1995-03-07 1995-03-07 Waste ink container of inkjet recording device

Publications (2)

Publication Number Publication Date
JPH08238782A true JPH08238782A (en) 1996-09-17
JP3185910B2 JP3185910B2 (en) 2001-07-11

Family

ID=13549799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7452495A Expired - Fee Related JP3185910B2 (en) 1995-03-07 1995-03-07 Waste ink container of inkjet recording device

Country Status (1)

Country Link
JP (1) JP3185910B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267465B1 (en) * 2000-06-16 2001-07-31 Xerox Corporation Waste ink pad system and method of manufacturing an improved waste pad
JP2006297659A (en) * 2005-04-18 2006-11-02 Seiko Epson Corp Liquid ejector
JP2008049554A (en) * 2006-08-23 2008-03-06 Seiko Epson Corp Waste ink absorbing tank and recorder equipped with the same
JP2011031626A (en) * 2010-11-15 2011-02-17 Seiko Epson Corp Liquid ejector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267465B1 (en) * 2000-06-16 2001-07-31 Xerox Corporation Waste ink pad system and method of manufacturing an improved waste pad
JP2006297659A (en) * 2005-04-18 2006-11-02 Seiko Epson Corp Liquid ejector
JP2008049554A (en) * 2006-08-23 2008-03-06 Seiko Epson Corp Waste ink absorbing tank and recorder equipped with the same
JP2011031626A (en) * 2010-11-15 2011-02-17 Seiko Epson Corp Liquid ejector

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