JPH05241443A - Electrophotographic copying device - Google Patents

Electrophotographic copying device

Info

Publication number
JPH05241443A
JPH05241443A JP4076363A JP7636392A JPH05241443A JP H05241443 A JPH05241443 A JP H05241443A JP 4076363 A JP4076363 A JP 4076363A JP 7636392 A JP7636392 A JP 7636392A JP H05241443 A JPH05241443 A JP H05241443A
Authority
JP
Japan
Prior art keywords
toner
shutter
cartridge
developing device
toner cartridge
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.)
Pending
Application number
JP4076363A
Other languages
Japanese (ja)
Inventor
Ryuta Takechi
隆太 武市
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP4076363A priority Critical patent/JPH05241443A/en
Publication of JPH05241443A publication Critical patent/JPH05241443A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To improve operability when toner is replenished by fitting a toner cartridge to a developing device. CONSTITUTION:A shutter 32 which opens and closes the toner replenishment port 34 of the toner cartridge 27 is provided on the cartridge 27 freely turnably and a gear part is provided on one end of the shutter 32. On the other hand, a groove 28 which guides and fits the cartridge 27 is provided on the developing device 13 side and a rack 29 engaged with the gear part is provided near the bottom part of one side thereof. Then, the toner in the cartridge 27 is replenished to the developing device 13 by turning the shutter 32 to a replenishing position from a shielding position by the gear part engaged with the rack 29 by interlocking with the fitting action of the cartridge 27 to the developing device 13.

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、レ−ザを用いた、プ
リンタ・複写機・ファクシミリなど、電子写真方式(感
光体に形成した画像をシ−トに転写して記録を行う方
式)によりシ−トに記録を行う電子写真装置に関する。
そのうち、現像器にトナ−カ−トリッジを取り付けてト
ナ−を前記現像器に補給し、その現像器でトナ−を付着
して感光体上の潜像を現像する電子写真装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is based on an electrophotographic system (a system for transferring an image formed on a photoconductor to a sheet for recording) using a laser, such as a printer, a copying machine and a facsimile. The present invention relates to an electrophotographic apparatus that records on a sheet.
The present invention relates to an electrophotographic apparatus in which a toner cartridge is attached to a developing device, the toner is replenished to the developing device, and the toner is attached by the developing device to develop the latent image on the photoreceptor.

【0002】[0002]

【従来の技術】従来、例えばレ−ザプリンタにおいて
は、その現像器にトナ−カ−トリッジを取り付けてその
トナ−カ−トリッジ内のトナ−を現像器に補給する。こ
のトナ−カ−トリッジにはトナ−補給口が設けてあり、
トナ−補給時までは、そのトナ−補給口をシ−ルやシャ
ッタで塞いである。そして、現像器にトナ−カ−トリッ
ジを取り付け、そのトナ−カ−トリッジのトナ−補給口
のシ−ルを手で剥がしたり、手でシャッタを開くなどし
てトナ−カ−トリッジ内のトナ−を現像器に補給してい
た。
2. Description of the Related Art Conventionally, for example, in a laser printer, a toner cartridge is attached to the developing device and the toner in the toner cartridge is replenished to the developing device. This toner cartridge has a toner supply port,
Until the toner is supplied, the toner supply port is closed with a seal or a shutter. Then, the toner cartridge is attached to the developing device, and the toner at the toner replenishing port of the toner cartridge is peeled off by hand, or the shutter is opened manually, and the toner in the toner cartridge is opened. − Was being supplied to the developing device.

【0003】[0003]

【発明が解決しようとする課題】そのため、トナ−を補
給するときに、トナ−カ−トリッジを現像器に取り付け
ることとシ−ルを剥がしたりシャッタを開けたりするこ
との2つの操作が必要であった。
Therefore, when replenishing the toner, it is necessary to perform the two operations of attaching the toner cartridge to the developing device and peeling off the seal or opening the shutter. there were.

【0004】そこでこの発明の目的は、トナ−カ−トリ
ッジを現像器に取り付けてトナ−を補給するときの操作
性を向上することにある。
Therefore, an object of the present invention is to improve the operability when the toner cartridge is attached to the developing device and the toner is replenished.

【0005】[0005]

【課題を解決するための手段】そのため、請求項1に記
載のものは、例えば以下の図示実施例のように、現像器
13にトナ−カ−トリッジ27を取り付け、そのトナ−
カ−トリッジ27のトナ−補給口34に設けるシャッタ
32を開いて該トナ−カ−トリッジ27内のトナ−を前
記現像器13に補給し、その現像器13でトナ−を付着
して感光体11上の潜像を現像する電子写真装置におい
て、前記シャッタ32を前記トナ−補給口34を塞ぐ遮
蔽位置とそれを開く補給位置とに回動自在に設けるとと
もに、前記トナ−カ−トリッジ27の取り付け時にその
シャッタ32に係合し、該トナ−カ−トリッジ27の取
り付け動作に連動してそのシャッタ32を前記遮蔽位置
から前記補給位置へと回動する係合部材を前記現像器1
3に設けてなる、ことを特徴とする。
Therefore, according to the first aspect of the present invention, a toner cartridge 27 is attached to the developing unit 13 and the toner cartridge 27 is attached to the developing unit 13 as shown in the following illustrated embodiment.
The shutter 32 provided at the toner replenishing port 34 of the cartridge 27 is opened to replenish the toner in the toner cartridge 27 to the developing unit 13, and the toner is attached by the developing unit 13 to attach the toner. In the electrophotographic apparatus for developing the latent image on 11, the shutter 32 is rotatably provided between a shielding position for closing the toner replenishing port 34 and a replenishing position for opening the toner replenishing port 34. An engaging member that engages with the shutter 32 at the time of attachment and rotates the shutter 32 from the blocking position to the replenishment position in association with the attaching operation of the toner cartridge 27 is provided as the developing device 1.
3 is provided.

【0006】また、請求項2に記載のものは、例えば以
下の図示実施例のように、請求項1に記載の電子写真装
置において、前記シャッタ32にギヤ部36を設けると
ともに、前記係合部材をそのギヤ部36と噛み合うラッ
ク29としてなる、ことを特徴とする。
According to a second aspect of the present invention, in the electrophotographic apparatus of the first aspect, for example, as in the following illustrated embodiment, the shutter 32 is provided with a gear portion 36 and the engaging member is provided. Is a rack 29 that meshes with the gear portion 36.

【0007】[0007]

【作用】そして、現像器13にトナ−を補給するとき、
トナ−カ−トリッジ27を現像器13に取り付けて、そ
の取り付け時にトナ−カ−トリッジの取り付け動作に連
動し、係合部材をシャッタ32に係合してそのシャッタ
32を前記遮蔽位置から前記補給位置へと回動する。
When the toner is supplied to the developing device 13,
The toner cartridge 27 is attached to the developing device 13, and when the toner cartridge 27 is attached, it is interlocked with the attaching operation of the toner cartridge, the engaging member is engaged with the shutter 32, and the shutter 32 is replenished from the shielding position. Rotate to position.

【0008】[0008]

【実施例】以下、図面を参照しつつ、この発明の実施例
について説明する。図8は、この発明の一実施例である
レ−ザプリンタの全体概略構成図である。図中符号10
で示すものは、装置本体である。装置本体10内には、
ほぼ中央にドラム状の感光体11を設ける。その感光体
11のまわりには、矢印で示す駆動方向に順に、帯電器
12、現像器13、転写器14、クリーニング器15を
配置する。そして、帯電器12および現像器13の上側
には光書込み器16を、クリーニング器15の図中左方
には定着器17を、それぞれ配置し、装置本体10の下
部には、給紙カセット18を着脱自在に取り付ける。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 8 is an overall schematic configuration diagram of a laser printer which is an embodiment of the present invention. Reference numeral 10 in the figure
What is indicated by is the apparatus main body. In the device body 10,
A drum-shaped photoconductor 11 is provided at approximately the center. Around the photoconductor 11, a charging device 12, a developing device 13, a transfer device 14, and a cleaning device 15 are arranged in order in the driving direction indicated by the arrow. An optical writing device 16 is arranged above the charging device 12 and the developing device 13, and a fixing device 17 is arranged on the left side of the cleaning device 15 in the figure. Is detachably attached.

【0009】そして、給紙カセット18からシ−トを送
り出して感光体11の下側に搬送する。感光体11は、
矢示するように時計方向に駆動し、その際、帯電器12
によって表面を一様に帯電し、光書込み器16からのレ
−ザ光で感光体11上に静電潜像を形成する。この潜像
は、現像器13を通るときトナーによって可視像化す
る。そして、この可視像は、給紙カセット18から感光
体11の下側に搬送されてきたシ−トの上面に転写器1
4により転写する。その画像を転写したシ−トを定着器
17に搬送して転写画像を定着し、排紙スタック部19
へ排出する。
Then, the sheet is sent out from the paper feed cassette 18 and conveyed to the lower side of the photoconductor 11. The photoconductor 11 is
Driving in the clockwise direction as shown by the arrow, at that time, the charger 12
The surface is uniformly charged by the laser light from the optical writing device 16 to form an electrostatic latent image on the photoconductor 11. This latent image is visualized by toner as it passes through the developing device 13. Then, this visible image is transferred onto the upper surface of the sheet conveyed from the paper feed cassette 18 to the lower side of the photoconductor 11 by the transfer device 1.
4 transfer. The sheet on which the image is transferred is conveyed to the fixing device 17 to fix the transferred image, and the sheet stack unit 19
To discharge.

【0010】ところで、前述の現像器13は、図7に示
すように、そのケ−ス21内部の図中右側をトナ−が収
納されるトナ−室22とし、トナ−室22内には、軸2
3aに取り付けたアジテ−タ23を設ける。また、ケ−
ス21内部の図中左側には、例えば感光体11上にトナ
−を付着して潜像を現像する現像ロ−ラ24とこの現像
ロ−ラ24にトナ−を補給する補給ロ−ラ25とを配置
するとともに、その先端を現像ロ−ラ24の回転方向に
向けてその表面に押し当てた薄層化ブレ−ド26をケ−
ス21で支持する。また、ケ−ス21内部の図中右側上
部には、その上方からトナ−カ−トリッジ27を着脱自
在に取り付ける。そのトナ−カ−トリッジ27内には、
軸28aを中心として回転するアジテ−タ28を設け
る。
By the way, as shown in FIG. 7, the developing device 13 described above has a toner chamber 22 on the right side of the inside of the case 21, in which a toner is housed, and inside the toner chamber 22, Axis 2
An agitator 23 attached to 3a is provided. In addition,
On the left side of the drawing inside the space 21, for example, a developing roller 24 for adhering a toner on the photoconductor 11 to develop a latent image and a replenishing roller 25 for replenishing the developing roller 24 with toner. And a thin layer blade 26 whose tip is pressed against the surface of the developing roller 24 in the direction of rotation of the developing roller 24.
It is supported by the space 21. Further, a toner cartridge 27 is detachably attached to the inside of the case 21 on the upper right side in the figure from above. In the toner cartridge 27,
An agitator 28 that rotates about the shaft 28a is provided.

【0011】そして、アジテ−タ28を装置本体10か
らの駆動により回転してトナ−カ−トリッジ27からト
ナ−室22へトナ−を補給する。トナ−室22のアジテ
−タ23は、軸23aを中心として時計方向に回転し、
トナ−を撹拌しながら補給ロ−ラ25へ補給する。補給
ロ−ラ25は、その外周がスポンジ状材料で形成され、
現像ロ−ラ24に或る喰込量で圧接し、現像ロ−ラ24
の表面へトナ−を補給する。そして、薄層化ブレ−ド2
6で現像ロ−ラ24の表面のトナ−を均一にし、そのト
ナ−を感光体11の表面に移行して感光体11上の潜像
を可視像化する。
Then, the agitator 28 is rotated by the drive from the apparatus main body 10 to replenish the toner from the toner cartridge 27 to the toner chamber 22. The agitator 23 of the toner chamber 22 rotates clockwise about the shaft 23a,
The toner is supplied to the supply roller 25 while stirring. The replenishing roller 25 has an outer periphery formed of a sponge-like material,
The developing roller 24 is pressed into contact with the developing roller 24 with a certain amount, and the developing roller 24
Supply toner to the surface of. And thinning blade 2
At 6, the toner on the surface of the developing roller 24 is made uniform, and the toner is transferred to the surface of the photoconductor 11 to visualize the latent image on the photoconductor 11.

【0012】ところで、現像器13へのトナ−カ−トリ
ッジ27の取付部には、図1に示すように、ケ−ス21
の両側壁のそれぞれに、上方に開口する略上下方向に長
い溝28を設け、その溝28の一側に添ってラック29
を取り付ける。
By the way, at the mounting portion of the toner cartridge 27 to the developing device 13, as shown in FIG.
On each of both side walls of the rack, a groove 28 that is open upward and is long in the substantially vertical direction is provided, and a rack 29 is provided along one side of the groove 28.
Attach.

【0013】そのトナ−カ−トリッジ27のカ−トリッ
ジ本体30は、図2に示すように構成する。即ち、略円
筒状の筒体31の周壁に長さ方向の開口31aをもう
け、開口31aの両端縁には、エンドブロック33を開
口31aの長さ方向にそれぞれ取り付け、その両エンド
ブロック33間をトナ−補給口34とする。そして、両
エンドブロック33のトナ−補給口34を挟んで互いに
対向する面には、円弧状の断面を有する凹部33aをそ
れぞれその長さ方向に設ける。そして、その凹部33a
間に、図3に示すように、シャッタ32を回転自在に保
持する。
The cartridge body 30 of the toner cartridge 27 is constructed as shown in FIG. That is, an opening 31a in the lengthwise direction is provided on the peripheral wall of the substantially cylindrical tubular body 31, and end blocks 33 are attached to both end edges of the opening 31a in the lengthwise direction of the opening 31a. The toner supply port 34 is used. Then, recesses 33a each having an arcuate cross section are provided in the lengthwise direction on the surfaces of the end blocks 33 that face each other with the toner supply port 34 interposed therebetween. Then, the recess 33a
In the meantime, as shown in FIG. 3, the shutter 32 is rotatably held.

【0014】そのシャッタ32は、図4に示すように、
シャッタ本体35を前述の両エンドブロック33の凹部
33a間に嵌まり込む大きさの外径を有する円柱状に形
成し、その一端にギヤ部36を設ける。また、シャッタ
本体35には、シャッタ本体35を直径方向に貫通し、
その長さ方向に長い長孔37を設ける。そして、このシ
ャッタ本体35を、図3に示すように、両エンドブロッ
ク33の凹部33a間に回動自在に保持させ、その長孔
37が筒体31の直径と直交方向となってトナ−補給口
34を塞ぐ遮蔽位置とする。
The shutter 32, as shown in FIG.
The shutter main body 35 is formed into a cylindrical shape having an outer diameter that fits between the recesses 33a of the both end blocks 33, and a gear portion 36 is provided at one end thereof. Further, the shutter body 35 penetrates the shutter body 35 in the diametrical direction,
A long hole 37 that is long in the length direction is provided. Then, as shown in FIG. 3, the shutter main body 35 is rotatably held between the recesses 33a of the end blocks 33, and the long hole 37 is in the direction orthogonal to the diameter of the cylindrical body 31 to replenish the toner. It is a shielding position that closes the mouth 34.

【0015】また、カ−トリッジ本体30の両端は、図
5に示すように、カバ−38で塞いでその外面にシャッ
タ32の位置から筒体31の直径方向にガイドリブ39
を設ける。そして、その幅は、現像器13の溝28内を
摺動可能な幅に形成する。
Further, as shown in FIG. 5, both ends of the cartridge main body 30 are closed by a cover 38, and guide ribs 39 are provided on the outer surface of the cartridge main body 30 from the position of the shutter 32 in the diameter direction of the cylindrical body 31.
To provide. The width is formed so that it can slide in the groove 28 of the developing device 13.

【0016】そして、現像器13へトナ−を補給すると
きは、現像器13のケ−ス21の両側に設けた溝28に
ガイドリブ39を嵌め込む。すると、図1に示すよう
に、シャッタ本体35のギヤ部36がケ−ス21のラッ
ク29と噛み合う。そして、溝28とガイドリブ39と
でトナ−カ−トリッジ27を案内しながら現像器13の
ケ−ス21内へ移動させる。すると、ギヤ部36が半回
転してそれとともにシャッタ本体35が半回転し、図6
に示すように、長孔37がトナ−補給口34を開くトナ
−補給位置となり、トナ−カ−トリッジ27の取り付け
が完了する。そして、カ−トリッジ本体30のアジテ−
タ28の図示しないギヤが装置本体10のギヤと噛み合
って回転し、トナ−をトナ−カ−トリッジ27からトナ
−補給口34を介してトナ−室22へと送り出す。
When replenishing the toner to the developing device 13, the guide ribs 39 are fitted into the grooves 28 provided on both sides of the case 21 of the developing device 13. Then, as shown in FIG. 1, the gear portion 36 of the shutter main body 35 meshes with the rack 29 of the case 21. The toner cartridge 27 is guided by the groove 28 and the guide rib 39 and moved into the case 21 of the developing device 13. Then, the gear portion 36 makes a half rotation, and the shutter main body 35 makes a half rotation together therewith.
As shown in FIG. 5, the long hole 37 becomes the toner replenishing position where the toner replenishing port 34 is opened, and the attachment of the toner cartridge 27 is completed. Then, the cartridge main body 30 is agitated.
A gear (not shown) of the motor 28 meshes with the gear of the apparatus main body 10 to rotate, and sends the toner from the toner cartridge 27 to the toner chamber 22 through the toner supply port 34.

【0017】また、トナ−カ−トリッジ27のトナ−が
なくなったときは、トナ−カ−トリッジ27を引き上げ
ると、ガイドリブ39が溝28に案内されてトナ−カ−
トリッジ27が引き出され、このときラック29によっ
てギヤ部36が半回転し、それとともにシャッタ本体3
5が半回転する。そして、シャッタ32をトナ−補給位
置から遮蔽位置とする。
When the toner of the toner cartridge ridge 27 is exhausted, when the toner cartridge ridge 27 is pulled up, the guide rib 39 is guided by the groove 28, and the toner cartridge ridge 27 is guided.
The trench 27 is pulled out, and at this time, the rack 29 causes the gear portion 36 to make a half rotation, and at the same time, the shutter body 3
5 turns half a turn. Then, the shutter 32 is moved from the toner supply position to the shielding position.

【0018】[0018]

【発明の効果】従って、この発明によれば、現像器にト
ナ−を補給するとき、トナ−カ−トリッジを現像器に取
り付けて、その取り付け時にトナ−カ−トリッジの取り
付け動作に連動し、係合部材をシャッタに係合してその
シャッタを前記遮蔽位置から前記補給位置へと回動する
ので、トナ−カ−トリッジを現像器に取り付けてトナ−
を補給するときの操作性を向上することができる。
Therefore, according to the present invention, when the toner is replenished to the developing device, the toner cartridge is attached to the developing device, and at the time of attachment, the toner cartridge is interlocked with the attaching operation of the toner cartridge. Since the engagement member is engaged with the shutter and the shutter is rotated from the shielding position to the replenishing position, the toner cartridge is attached to the developing device.
It is possible to improve the operability when replenishing.

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

【図1】この発明の一実施例であるレ−ザプリンタにお
ける現像器のトナ−カ−トリッジ取付部へのトナ−カ−
トリッジの取り付けを示す説明図である。
FIG. 1 is a toner cartridge to a toner cartridge mounting portion of a developing device in a laser printer according to an embodiment of the present invention.
It is explanatory drawing which shows attachment of a ridge.

【図2】そのトナ−カ−トリッジのカ−トリッジ本体を
示す斜視図である。
FIG. 2 is a perspective view showing a cartridge body of the toner cartridge.

【図3】そのトナ−カ−トリッジの断面図である。FIG. 3 is a sectional view of the toner cartridge.

【図4】そのトナ−カ−トリッジのシャッタを示す斜視
図である。
FIG. 4 is a perspective view showing a shutter of the toner cartridge.

【図5】そのトナ−カ−トリッジの側面図である。FIG. 5 is a side view of the toner cartridge.

【図6】その取り付け完了時のシャッタがトナ−補給位
置となった状態を示すトナ−カ−トリッジの断面図であ
る。
FIG. 6 is a cross-sectional view of the toner cartridge showing a state where the shutter is at the toner replenishment position when the attachment is completed.

【図7】前記現像器の内部概略構成図である。FIG. 7 is a schematic configuration diagram of the inside of the developing device.

【図8】そのような現像器を備えるレ−ザプリンタの全
体概略構成図である。
FIG. 8 is an overall schematic configuration diagram of a laser printer including such a developing device.

【符号の説明】[Explanation of symbols]

11 感光体 13 現像器 27 トナ−カ−トリッジ 29 ラック 32 シャッタ 34 トナ−補給口 36 ギヤ部 11 Photoreceptor 13 Developing Device 27 Toner Cartridge 29 Rack 32 Shutter 34 Toner Replenishing Port 36 Gear Section

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 現像器にトナ−カ−トリッジを取り付
け、そのトナ−カ−トリッジのトナ−補給口に設けるシ
ャッタを開いて該トナ−カ−トリッジ内のトナ−を前記
現像器に補給し、その現像器でトナ−を付着して感光体
上の潜像を現像する電子写真装置において、前記シャッ
タを前記トナ−補給口を塞ぐ遮蔽位置とそれを開く補給
位置とに回動自在に設けるとともに、前記トナ−カ−ト
リッジの取り付け時にそのシャッタに係合し、該トナ−
カ−トリッジの取り付け動作に連動してそのシャッタを
前記遮蔽位置から前記補給位置へと回動する係合部材を
前記現像器に設けてなる、電子写真装置。
1. A toner cartridge is attached to a developing device, and a shutter provided at a toner replenishing port of the toner cartridge is opened to replenish the toner in the toner cartridge to the developing device. In an electrophotographic apparatus for developing a latent image on a photoconductor by attaching a toner with the developing device, the shutter is rotatably provided between a shielding position for closing the toner supply port and a supply position for opening the toner supply port. At the same time, the toner is engaged with the shutter when the toner cartridge is attached,
An electrophotographic apparatus, wherein the developing device is provided with an engaging member for rotating the shutter from the blocking position to the replenishing position in association with the mounting operation of the cartridge.
【請求項2】 前記シャッタにギヤ部を設けるととも
に、前記係合部材をそのギヤ部と噛み合うラックとして
なる、請求項1に記載の電子写真装置。
2. The electrophotographic apparatus according to claim 1, wherein the shutter is provided with a gear portion, and the engagement member is a rack that meshes with the gear portion.
JP4076363A 1992-02-27 1992-02-27 Electrophotographic copying device Pending JPH05241443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4076363A JPH05241443A (en) 1992-02-27 1992-02-27 Electrophotographic copying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4076363A JPH05241443A (en) 1992-02-27 1992-02-27 Electrophotographic copying device

Publications (1)

Publication Number Publication Date
JPH05241443A true JPH05241443A (en) 1993-09-21

Family

ID=13603275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4076363A Pending JPH05241443A (en) 1992-02-27 1992-02-27 Electrophotographic copying device

Country Status (1)

Country Link
JP (1) JPH05241443A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07295360A (en) * 1994-04-28 1995-11-10 Ricoh Co Ltd Developing device
EP0905577A2 (en) * 1997-09-30 1999-03-31 Canon Kabushiki Kaisha Toner container, toner supply system, developer cartridge and image forming apparatus using same
US6438345B1 (en) 1999-03-29 2002-08-20 Canon Kabushiki Kaisha Toner supplying container and image forming apparatus
EP1821157A2 (en) * 2006-02-20 2007-08-22 Konica Minolta Business Technologies, Inc. Toner cartridge, process cartridge, imaging cartridge, and image forming apparatus to which thoses cartridges are attachable
US7805097B2 (en) * 2007-01-30 2010-09-28 Brother Kogyo Kabushiki Kaisha Developing device and toner cartridge
JP2011175303A (en) * 2011-06-13 2011-09-08 Ricoh Co Ltd Toner bottle unit and image forming apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07295360A (en) * 1994-04-28 1995-11-10 Ricoh Co Ltd Developing device
EP0905577A2 (en) * 1997-09-30 1999-03-31 Canon Kabushiki Kaisha Toner container, toner supply system, developer cartridge and image forming apparatus using same
EP0905577A3 (en) * 1997-09-30 2000-03-29 Canon Kabushiki Kaisha Toner container, toner supply system, developer cartridge and image forming apparatus using same
US6185401B1 (en) 1997-09-30 2001-02-06 Canon Kabushiki Kaisha Toner bottle, toner supply system and image forming apparatus using same
US6438345B1 (en) 1999-03-29 2002-08-20 Canon Kabushiki Kaisha Toner supplying container and image forming apparatus
EP1821157A2 (en) * 2006-02-20 2007-08-22 Konica Minolta Business Technologies, Inc. Toner cartridge, process cartridge, imaging cartridge, and image forming apparatus to which thoses cartridges are attachable
EP1821157A3 (en) * 2006-02-20 2013-08-21 Konica Minolta Business Technologies, Inc. Toner cartridge, process cartridge, imaging cartridge, and image forming apparatus to which thoses cartridges are attachable
US7805097B2 (en) * 2007-01-30 2010-09-28 Brother Kogyo Kabushiki Kaisha Developing device and toner cartridge
JP2011175303A (en) * 2011-06-13 2011-09-08 Ricoh Co Ltd Toner bottle unit and image forming apparatus

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