JPH0695248B2 - Toner supply device - Google Patents

Toner supply device

Info

Publication number
JPH0695248B2
JPH0695248B2 JP60145547A JP14554785A JPH0695248B2 JP H0695248 B2 JPH0695248 B2 JP H0695248B2 JP 60145547 A JP60145547 A JP 60145547A JP 14554785 A JP14554785 A JP 14554785A JP H0695248 B2 JPH0695248 B2 JP H0695248B2
Authority
JP
Japan
Prior art keywords
container
toner
opening
cylinder
cylindrical
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.)
Expired - Fee Related
Application number
JP60145547A
Other languages
Japanese (ja)
Other versions
JPS626285A (en
Inventor
山口　　勲
利泰 井上
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP60145547A priority Critical patent/JPH0695248B2/en
Publication of JPS626285A publication Critical patent/JPS626285A/en
Publication of JPH0695248B2 publication Critical patent/JPH0695248B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0886—Sealing of developer cartridges by mechanical means, e.g. shutter, plug
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G03G15/0868—Toner cartridges fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, acting as an active closure for the developer replenishing opening
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G15/0872—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0665—Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0665—Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
    • G03G2215/0668—Toner discharging opening at one axial end
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0675—Generally cylindrical container shape having two ends
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0685—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, not acting as a passive closure for the developer replenishing opening

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Description

【発明の詳細な説明】 産業上の利用分野 本発明は静電転写式複写機の現像部分へのトナーを供給
するトナー補給装置に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toner replenishing device for supplying toner to a developing portion of an electrostatic transfer copying machine.

従来の技術 静電転写式複写機の現像装置でトナーと称する乾式着色
粒子が用いられ、コピーの都度、コピー用紙に付着して
持っていかれるトナーを常時一定の割合で現像装置の中
へ補充する必要がある。2. Description of the Related Art In a developing device of an electrostatic transfer copying machine, dry colored particles called toner are used, and the toner carried on the copy paper is constantly replenished into the developing device at a constant rate each time a copy is made. There is a need.

従来この補充手段として、トナーホッパーと称する、ト
ナーの一定量補充装置が設けられており、このホッパー
内へびん等の容器からトナーを移し、コピーの際にこの
ホッパーの中から種々の方式の一定量計量メカニズムを
用いて、一定量のトナーを現像装置内へ供給する方法が
用いられている。この方式ではびん等の容器からホッパ
ー内へトナーを入れる際に微粉状のトナーが舞い上り、
周辺部や操作者の手等を汚すという欠点がある。Conventionally, as this replenishing means, a constant amount replenishing device for toner, called a toner hopper, is provided. Toner is transferred from a container such as a bottle into this hopper, and when copying, a constant amount of various methods is selected from this hopper. A method of supplying a constant amount of toner into a developing device using a quantity measuring mechanism is used. In this method, when the toner is put into the hopper from a container such as a bottle, fine powder toner flies up,
There is a drawback that the peripheral part and the hands of the operator are soiled.

別の方法として、びん等の容器を、そのままホッパーの
容器として兼用するようにし、トナー容器のびんの開口
部を上側にした状態で、ホッパーの結合部に装着し、装
置部が密閉された状態で、トナー容器のびんを90゜ある
いは180゜近くまで回動させ重力により落下したトナー
を、一定量計量メカ部に送り込んで現像装置内へトナー
供給する方法がある。この方式ではトナーをホッパー内
へ操作者が移し替える必要がないので周辺部をよごすこ
とはないが、トナーの容器を垂直に立てた状態から90゜
あるいは180゜の位置まで回動させなければならず、こ
の回動するために広い空間を必要とし、コンパクトな複
写機を設計するうえでの障害となっていた。As another method, the container such as a bottle is also used as the container of the hopper as it is, and the opening of the bottle of the toner container is on the upper side, and it is attached to the joint part of the hopper and the device part is sealed. Then, there is a method in which the bottle of the toner container is rotated to about 90 ° or 180 °, and the toner dropped by gravity is fed into the developing device by feeding it into the developing device by a fixed amount. With this method, the operator does not have to transfer the toner into the hopper, so there is no need to clean the periphery, but the toner container must be rotated from a vertical position to a 90 ° or 180 ° position. However, this rotation requires a large space, which is an obstacle in designing a compact copying machine.

発明が解決しようとする問題点 上記のような従来用いられているトナー補給装置では、
トナーで操作者やトナー補給装置の周辺部を汚したり、
また、トナー補給装置が大がかりなものになり、コンパ
クトな複写機をつくりにくいという欠点があった。Problems to be Solved by the Invention In the conventional toner replenishing device as described above,
Toner stains the operator or the area around the toner supply device,
Further, the toner replenishing device becomes large-scaled, and it is difficult to make a compact copying machine.

本発明はトナー容器の開口部を工夫し、また複写機への
トナー容器の装着方法を工夫することにより、前述の問
題を解決した複写機のトナー補給装置を提供することを
目的としたものである。An object of the present invention is to provide a toner replenishing device for a copying machine that solves the above-mentioned problems by devising the opening of the toner container and devising the method of mounting the toner container on the copying machine. is there.

問題点を解決するための手段 本発明は上記問題点を解決するため、円筒状トナー収容
容器の平面端面の一端に開口を有し、その開口部が上側
になるように容器をセットし、トナー補給時には円筒容
器を一回転させて、開口部から一定量のトナーを供給す
るようにするとともに、トナー供給完了時には開口部が
上側位置で停止させるようにしている。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention has an opening at one end of a plane end surface of a cylindrical toner accommodating container, and the container is set so that the opening is on the upper side. At the time of replenishment, the cylindrical container is rotated once to supply a certain amount of toner from the opening, and when the toner supply is completed, the opening is stopped at the upper position.

作用 本発明は上記した構成により、トナーの容器をそのまま
複写機にセットするようにしているので操作者がトナー
で手をよごすこともなく、また、円筒状のトナー容器は
水平にした状態でセットするので、容器の回動のための
広い空間は必要とせず、コンパクトな複写機を構成する
ことができる。The present invention has the above-described configuration so that the toner container is set in the copying machine as it is, so that the operator does not have to use his / her hands with the toner, and the cylindrical toner container is set in a horizontal state. Therefore, a wide space for rotating the container is not required, and a compact copying machine can be constructed.

実施例 以下本発明の実施例について図面と共に説明する。Embodiments Embodiments of the present invention will be described below with reference to the drawings.

第１図は本発明実施例に用いる円筒状のトナー容器の斜
視図であり、円筒状トナー容器１の上面の一部には半円
形の開口部２があけられ、この開口部２の近傍には突起
３が設けられている。また円筒状トナー容器１の円筒面
内面にはらせん状の突条４が設けられている。円筒状ト
ナー容器１の内部にはトナー５が充填されており、第２
図に示すように容器１を水平にして、開口部２を上側位
置にしたとき、トナー５は開口部２からもれ出さない程
度の量が充填されている。FIG. 1 is a perspective view of a cylindrical toner container used in an embodiment of the present invention. A semicircular opening 2 is opened in a part of the upper surface of the cylindrical toner container 1, and the opening 2 is formed in the vicinity of the opening 2. Is provided with a protrusion 3. A spiral projection 4 is provided on the inner surface of the cylindrical surface of the cylindrical toner container 1. The inside of the cylindrical toner container 1 is filled with the toner 5.
As shown in the figure, when the container 1 is horizontal and the opening 2 is at the upper position, the toner 5 is filled in such an amount that the toner 5 does not leak from the opening 2.

トナー補給装置に円筒状トナー容器１をセットする場合
には円筒状トナー容器１を開口部２が上側になるような
状態で水平に持ち、補給装置の容器保持部に挿入する。
容器保持部は第３図に示すように容器保持固定部６と第
４図に示す容器保持回転部７で構成されている。容器保
持回転部７は容器保持回転部６の中にはまり込んで回転
できるようになっている。第２図に示すように、容器保
持回転部７は容器保持固定部６にガイドされてその内側
を駆動モータ10により回転する。容器保持回転部７には
第４図，第５図に示すようにその上側に円筒状トナー容
器１の突起３が係合できるような溝11が設けられ、また
開口部２に対向する位置に開口部12があけられている。When setting the cylindrical toner container 1 in the toner replenishing device, the cylindrical toner container 1 is held horizontally with the opening 2 facing upward and inserted into the container holding portion of the replenishing device.
The container holding part is composed of a container holding and fixing part 6 as shown in FIG. 3 and a container holding / rotating part 7 shown in FIG. The container holding / rotating part 7 is fitted in the container holding / rotating part 6 so as to be rotatable. As shown in FIG. 2, the container holding / rotating part 7 is guided by the container holding / fixing part 6 and is rotated inside by a drive motor 10. As shown in FIGS. 4 and 5, the container holding / rotating portion 7 is provided with a groove 11 on the upper side thereof so that the projection 3 of the cylindrical toner container 1 can be engaged with it, and at a position facing the opening 2. The opening 12 is opened.

容器保持回転部７を駆動モータ10により回転させる際に
は図示されていない位置決めスイッチにより、必ずその
溝11および開口部12が上側になるような位置で一回転し
て停止するようになっている。円筒状トナー容器１が駆
動モータ10により一回転するときにはその開口部２が下
側にきたときに、中のトナーはこぼれ出て、容器保持固
定部７の下側に設けられたトナー受け13に落ちる。トナ
ー受け13の中にはコイル14があって、駆動モータ10によ
り回転するようになっており、円筒状トナー容器１の開
口部２から出たトナーはトナー受け13の中をコイル14で
第２図受方向に送られ、落下口15から現像器16内に入
る。したがって、円筒状トナー容器１の１回転で開口部
２から出た一定量のトナーが現像器16に送り込まれるこ
とになる。容器保持固定部６の円筒状トナー容器１の受
け口周辺の上側には切り欠き17が設けられており、円筒
状トナー容器１の突起３が上側になっている状態でない
と、円筒状トナー容器を着脱することはできない。した
がって、円筒状トナー容器１の回転中で開口部２が下端
になっているときにはトナー補給装置からぬき出すこと
はできず、トナーがこぼれ出ることもない。When the container holding / rotating unit 7 is rotated by the drive motor 10, a positioning switch (not shown) always makes one rotation and stops at a position such that the groove 11 and the opening 12 are on the upper side. . When the cylindrical toner container 1 is rotated once by the drive motor 10, when the opening 2 of the cylindrical toner container 1 comes to the lower side, the toner inside spills out and is transferred to the toner receiver 13 provided below the container holding and fixing unit 7. drop down. A coil 14 is provided in the toner receiver 13 and is rotated by the drive motor 10. The toner discharged from the opening 2 of the cylindrical toner container 1 is secondly moved in the toner receiver 13 by the coil 14. It is sent in the direction of receiving the image and enters the developing device 16 through the drop port 15. Therefore, a certain amount of toner coming out of the opening 2 is sent to the developing device 16 by one rotation of the cylindrical toner container 1. A notch 17 is provided on the upper side of the container holding / fixing portion 6 around the receiving port of the cylindrical toner container 1, and the cylindrical toner container 1 is provided only when the projection 3 of the cylindrical toner container 1 is on the upper side. It cannot be removed. Therefore, when the cylindrical toner container 1 is rotating and the opening 2 is at the lower end, the toner cannot be discharged from the toner replenishing device and the toner does not spill out.

円筒状トナー容器１の内壁にはらせん状の突条４が設け
られており円筒状トナー容器１の回転で底の方のトナー
もしだいに開口部の方へ送り出される。A spiral ridge 4 is provided on the inner wall of the cylindrical toner container 1, and when the cylindrical toner container 1 is rotated, the toner at the bottom is gradually discharged toward the opening.

発明の効果 以上詳述したように本発明によれば、円筒状のトナー容
器の端面に開口部を設け、この開口部が上側になってい
るときには円筒状トナー容器からトナーはもれ出ること
はなく、１回転動作で開口部が下側にきたとき一定量の
トナーが出るようにし、かつ開口部が上側にあるときだ
け、円筒状トナー容器をトナー補給装置からとり外せる
ようにしている。As described in detail above, according to the present invention, an opening is provided on the end surface of a cylindrical toner container, and when this opening is on the upper side, toner does not leak from the cylindrical toner container. Rather, a certain amount of toner is made to come out when the opening comes to the lower side by one rotation operation, and the cylindrical toner container can be detached from the toner replenishing device only when the opening is at the upper side.

この結果、操作者は円筒状トナー容器を交換する際にも
トナーで手等をよごすことはない。As a result, the operator does not waste his or her hands with toner when exchanging the cylindrical toner container.

また水平にセットするだけなので、容器をセットするた
めの広い空間を必要とせず、複写機自体もコンパクトに
設計できる。Also, since it is only set horizontally, there is no need for a large space for setting the container, and the copier itself can be designed compact.

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

第１図は本発明の実施例に係るトナー容器の斜視図、第
２図は同実施例のトナー補給装置の断面図、第３図は同
実施例の容器保持固定部の要部斜視図、第４図は同実施
例の容器保持固定部の中で回転する容器保持回転部の斜
視図、第５図は第４図を逆方向からみた斜視図である。 １……円筒状トナー容器、２……開口部、３……突起、
６……容器保持固定部、７……容器保持回転部、10……
駆動モータ、16……現像器。FIG. 1 is a perspective view of a toner container according to an embodiment of the present invention, FIG. 2 is a sectional view of a toner replenishing device of the same embodiment, and FIG. 3 is a perspective view of essential parts of a container holding and fixing portion of the same embodiment, FIG. 4 is a perspective view of a container holding / rotating part that rotates in the container holding / fixing part of the embodiment, and FIG. 5 is a perspective view of FIG. 4 viewed from the opposite direction. 1 ... Cylindrical toner container, 2 ... Opening part, 3 ... Protrusion,
6 ... Container holding and fixing part, 7 ... Container holding rotating part, 10 ...
Drive motor, 16 …… Developer.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】円筒端面部に略半円形の開口部を有する円
筒状のトナー容器をその円筒の中心軸が略水平となるよ
うに保持する容器保持手段と、前期円筒の中心軸の周り
に円筒を回転させる容器回転手段とを備え、前記容器回
転手段によりトナー容器を円筒の中心軸の周りに回転さ
せて前記開口部が円筒中心軸より下側に位置したとき容
器内のトナーを開口部から容器外へこぼれ出させ、トナ
ー容器回転終了時に前記開口部が円筒の中心軸より上側
の位置で停止させるとともに、前記容器保持手段には略
水平に保持された円筒状トナー容器の開口部が円筒中心
軸より上側の位置にあるときのみ容器を着脱可能とする
容器抜き止め手段を設けたことを特徴とするトナー補給
装置。1. A container holding means for holding a cylindrical toner container having a substantially semi-circular opening at the end surface of the cylinder so that the center axis of the cylinder is substantially horizontal, and a container holding means around the center axis of the cylinder. A container rotating means for rotating the cylinder, wherein the toner rotating means rotates the toner container around the central axis of the cylinder to open the toner in the container when the opening is positioned below the central axis of the cylinder. From the container to the outside of the container, and at the end of rotation of the toner container, the opening is stopped at a position above the central axis of the cylinder, and the container holding means has an opening of the cylindrical toner container held substantially horizontally. A toner replenishing device, characterized in that a container withdrawal preventing means is provided which allows the container to be attached and detached only when the container is located above the central axis of the cylinder.
JP60145547A 1985-07-02 1985-07-02 Toner supply device Expired - Fee Related JPH0695248B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60145547A JPH0695248B2 (en) 1985-07-02 1985-07-02 Toner supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60145547A JPH0695248B2 (en) 1985-07-02 1985-07-02 Toner supply device

Publications (2)

Publication Number Publication Date
JPS626285A JPS626285A (en) 1987-01-13
JPH0695248B2 true JPH0695248B2 (en) 1994-11-24

Family

ID=15387703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60145547A Expired - Fee Related JPH0695248B2 (en) 1985-07-02 1985-07-02 Toner supply device

Country Status (1)

Country Link
JP (1) JPH0695248B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455662A (en) * 1992-12-30 1995-10-03 Ricoh Company, Ltd. Developer replenishing device and developer container for use therewith
JP6759605B2 (en) * 2016-02-02 2020-09-23 ブラザー工業株式会社 Image forming device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594555U (en) * 1982-06-28 1984-01-12 コニカ株式会社 developer container
JPS58195248U (en) * 1982-06-23 1983-12-26 コニカ株式会社 Developer receiving device in electrostatic recording device
JPS59102260A (en) * 1982-12-03 1984-06-13 Ricoh Co Ltd Developer containing vessel
JPS6017469A (en) * 1983-07-08 1985-01-29 Minolta Camera Co Ltd Developer replenishing device
JPS60159769A (en) * 1984-01-30 1985-08-21 Saburo Kitajima Toner supply device of developing device

Also Published As

Publication number Publication date
JPS626285A (en) 1987-01-13

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