JPS58105275A - Cleaning device in electronic copying machine - Google Patents

Cleaning device in electronic copying machine

Info

Publication number
JPS58105275A
JPS58105275A JP20364781A JP20364781A JPS58105275A JP S58105275 A JPS58105275 A JP S58105275A JP 20364781 A JP20364781 A JP 20364781A JP 20364781 A JP20364781 A JP 20364781A JP S58105275 A JPS58105275 A JP S58105275A
Authority
JP
Japan
Prior art keywords
toner
magnetic
roller
developer
cleaning device
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
JP20364781A
Other languages
Japanese (ja)
Inventor
Sokichi Murakami
村上 壮吉
Masayoshi Furuichi
正義 古市
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.)
I D KK
Casio Computer Co Ltd
Original Assignee
I D KK
Casio Computer 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 I D KK, Casio Computer Co Ltd filed Critical I D KK
Priority to JP20364781A priority Critical patent/JPS58105275A/en
Priority to GB08235440A priority patent/GB2114936B/en
Priority to US06/450,569 priority patent/US4470694A/en
Priority to DE3246940A priority patent/DE3246940C2/en
Publication of JPS58105275A publication Critical patent/JPS58105275A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0047Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using electrostatic or magnetic means; Details thereof, e.g. magnetic pole arrangement of magnetic devices
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/0005Cleaning of residual toner

Landscapes

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

Abstract

PURPOSE:To remove a toner from the surface of a drum satisfactorily, without damaging the surface of the drum at all, by securing toner density of a developer for constituting a magnetic brush, in satisfactory density at all times, with regard to a cleaning device. CONSTITUTION:After transfer has ended, a remaining toner on a photosensitive layer 3 is fed in the direction as indicated with an arrow X, a magnetic brush 11 constituted on a sleeve 6b is rotated in the direction Y by magnetic force of a magnetic roller 9, and the remaining toner is removed from the surface of the photosensitive layer 3. This toner is detached with a developer in a place of a non-magnetized part 6a, drops into a case 5, and is made uniform by a stirring device 7. A part of the developer is fed into a detecting cylinder 19 through a carrying path 18, and toner density is detected. A detecting signal from a detecting device 9 is inputted to a DC power supply 17 of a collecting device 8, and its voltage is varied in accordance with the toner density. In this way, the quantity of a toner attracted to a conductive roller 12 of the toner collecting device 8 is controlled in accordance with the toner density. Accordingly, the toner density of the developer is kept constant, and the remaining toner can be removed satisfactorily.

Description

【発明の詳細な説明】 この発明は、電子複写機におけるクリーニング装置に関
する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cleaning device for an electronic copying machine.

一般に、この種のクリー二ンダ装置としては。Generally, for this type of cleaning equipment.

例えば感光ドラムの表面に接近させて磁気−一うを配置
し、この磁気ローラのIN函Kil性キャリア。
For example, a magnetic roller is placed close to the surface of a photosensitive drum, and the magnetic roller is used as an in-box carrier.

とトナーとを混合してなる現像銅管執着させることによ
り%−磁気ブラシ構成し、この−気ブラシによ)%感光
ドラムの表面に付着しているトナー管除去するように&
されたものが知られている。
By adhering to the developing copper tube made of a mixture of toner and toner, a magnetic brush is constructed, and this air brush removes the toner tube adhering to the surface of the photosensitive drum.
What has been done is known.

しかしながら、上記のようなタリ一二ング装置にあって
は、−気ブラシを構成する**剤のトナー濃度が鳥過ぎ
ると、感光ドラムの表面に付着したトナーを良好に除去
することができず、を九、トナー濃度が低く過ぎて%例
えば磁性キャリアだけで磁気プツシを構成した場合には
、磁気キャリアが硬い鉄粉などであるため、感光ドラム
の表面に傷を付けてしまうと−う問題があった。
However, in the above-mentioned leveling device, if the toner density of the agent making up the air brush is too high, the toner adhering to the surface of the photosensitive drum cannot be removed satisfactorily. 9. If the toner concentration is too low, for example, if a magnetic pushbutton is made of magnetic carrier only, the magnetic carrier is hard iron powder, etc., which may scratch the surface of the photosensitive drum. was there.

この発明は、上記のような事情を考慮してなされたもの
で、その目的とするところは、磁気ブラシを構成する現
像剤のトナー饋f【常に良好な濃度に確保し、ドラムの
表面を何部傷付ける仁となく、ドラムの!I画からトナ
ーt−棗好に除去することができる電子複写機における
クリー二ンダ装置tII供することにある。
This invention was made in consideration of the above-mentioned circumstances, and its purpose is to ensure that the toner concentration of the developer constituting the magnetic brush is always at a good density, and to keep the surface of the drum free of any Drums without hurting Jin! An object of the present invention is to provide a cleaning device tII in an electronic copying machine that can quickly remove toner from an image.

以下、この発明の一夾麹例を図面に基づいて説明する。Hereinafter, one example of koji according to the present invention will be explained based on the drawings.

g中1#i、電子複写機の感光ドラムであって、この感
光ドラム1は、導電ドラム2の表面に感光層3會形成し
、矢印X方向に回転し、帯電。
1#i in g is a photosensitive drum of an electronic copying machine, and this photosensitive drum 1 has three photosensitive layers formed on the surface of a conductive drum 2, rotates in the direction of arrow X, and is charged.

露光%ia*及び転写を行なうように構成されている。It is configured to perform exposure %ia* and transfer.

また、上記感光ドラムlの近傍には、感光層30表表面
M留し危トナーt#去するクリーニング装置4が配設さ
れている。このクリー二ンダ装置4は、ケース本体器内
に a気ローツ6、攪拌装置7.及びトナー回収装置8
を内賦し、且つケース本体Sの外部に、ケース本体器内
の現像剤(トナーと磁性キャリアとの混合物)のトナー
11ft検出する検出装置9を備えた構成になっている
Further, in the vicinity of the photosensitive drum 1, a cleaning device 4 for removing dangerous toner t# from the surface M of the photosensitive layer 30 is disposed. This cleaning device 4 includes an aeration rod 6, an agitation device 7, and an agitation device 7 inside the case body. and toner collection device 8
The case body S is provided with a detection device 9 outside the case body S for detecting the amount of toner 11 feet of the developer (a mixture of toner and magnetic carrier) in the case body S.

上記磁気p−ツ6は、感光層30表面から残留トナーY
r除去するものであ勤、感光ドラムIK接近しぞ配置さ
れており、しかも所定の着磁が施されている。即ち、感
光ドラムIK接近する箇所に磁@(例えばN@)が形成
されており、且つ感光ドラム10反儒に位置する下儒部
に非着磁部6aが形成されてiる。また、上記磁気ロー
フGKは、非磁性材からなる金属製スリーff1bが矢
印Y方向に回転するよう包持されている。このスリーブ
@i*Ktj、直流電11111GがII絖されてお勤
、トナーの帯電極性と異なる極性の電圧が印加されてい
る。IK、上記スリーツーbの表iIK#i、現像剤が
滑らないように%ローレット加工が施されている、従っ
て、上記−気ローツ6は、その磁力により、スリーブ6
b上に現像剤をブラシ状に1着し。
The above-mentioned magnetic P-T 6 absorbs residual toner Y from the surface of the photosensitive layer 30.
It is arranged close to the photosensitive drum IK, and is magnetized in a predetermined manner. That is, a magnet @ (for example, N@) is formed at a location close to the photosensitive drum IK, and a non-magnetized portion 6a is formed at the lower end of the photosensitive drum 10. Further, the magnetic loaf GK is surrounded by a metal sleeve ff1b made of a non-magnetic material so as to rotate in the direction of the arrow Y. When this sleeve @i*Ktj is connected to a DC voltage 11111G, a voltage having a polarity different from that of the toner is applied. IK, the surface of the above three-two b, IK#i, is knurled to prevent the developer from slipping. Therefore, the above-mentioned knurling 6 is caused by its magnetic force to cause the sleeve 6 to
Apply a layer of developer on b in the form of a brush.

磁気ブラシlit構成し、この磁気ブラシ11がスIJ
−ffibの回転に伴い、感光層30表面管摺纏し、感
光層30表面から残留トナーを除去するように構成され
ていると共に、非着磁部6aの箇^で現像剤がスリーブ
6bから分離し、落下するように1に′:!ている。こ
の場合、上記磁気ブラシ11#i、ケース本体5に形成
され良突起部5mにより、先端がtK一定の長″sK整
髪されている。
This magnetic brush 11 is composed of a magnetic brush lit.
- As the ffib rotates, the surface of the photosensitive layer 30 is rubbed and residual toner is removed from the surface of the photosensitive layer 30, and the developer is separated from the sleeve 6b at the non-magnetized portion 6a. and fall to 1':! ing. In this case, the tip of the magnetic brush 11#i is styled to a constant length of tK by a good protrusion 5m formed on the case body 5.

首た。上記攪拌装置7は、磁気ローラ6の斜め下方に配
置され光値形ローラであって、磁気ローラ6のスリーブ
6bから分離し落下した現会剤管攪拌するものである。
I lost my head. The agitation device 7 is an optical type roller disposed obliquely below the magnetic roller 6, and is used to agitate the present agent tube that has separated from the sleeve 6b of the magnetic roller 6 and fallen.

即ち、上記籠形ローラ轄−□−転麺7m6両端に鍔板y
b、7bt散り付け。
That is, the above-mentioned cage-shaped roller area - □ - 7 m6 of rolled noodles with flange plates y on both ends.
b, 7bt sprinkled.

この円板7b%7b間に棒状のロッド7c・・・・・・
・・・をその周辺部に架は渡してなるものである。
A rod-shaped rod 7c between this disk 7b%7b...
The frame is formed by passing ... around the surrounding area.

I!に%上記回収装置8は%磁気ローラ6と攪拌装置7
との近傍に配置されてam剤内のトナーを吸着し、矢印
2方向に回転する導電性ローラ12と、仁の導電性ロー
ラ12上に付着したトナーを掻き落す摺擦板13と、こ
の摺擦板13により掻き落されたトナーを搬送するスク
リューコンベア14と、上記導電性ローラ1!!の上方
に配置されて、導電性ローラ12に付着した磁性キャリ
ア管吸着する磁気ローラ15と、この磁気ローラ15か
ら磁性キャリアを掻き落すブレード16とから構成され
ている。この場合、上記導電性ローラ1りには、直流電
源17が接続されており、トナーの帯電極性と異なる極
性の電圧が印加されている。
I! The recovery device 8 is composed of a magnetic roller 6 and a stirring device 7.
a conductive roller 12 that is placed near the am and absorbs the toner in the am agent and rotates in the two directions of the arrow; a rubbing plate 13 that scrapes off the toner adhering to the conductive roller 12; A screw conveyor 14 that conveys the toner scraped off by the rubbing plate 13, and the conductive roller 1! ! It consists of a magnetic roller 15 which is disposed above the conductive roller 12 and attracts the magnetic carrier tube attached to the conductive roller 12, and a blade 16 which scrapes off the magnetic carrier from the magnetic roller 15. In this case, a DC power source 17 is connected to the conductive roller 1, and a voltage having a polarity different from the charging polarity of the toner is applied thereto.

従って、上記回収装置8は、直流電源17がらの電圧印
加に応じて、−電性ローフ12が攪拌された**剤中の
トナーta着し、矢印2方向に搬送し、この搬送された
トナーが摺1114113により、掻き落されスクリュ
ーコンベア14により回収すれるようになっており%ま
た、仮にトナーと共に磁性キャリアが混入して導電性ロ
ーラ12により搬送された場合でも、摺擦板1sにより
掻き落される前に、磁性キャリアが磁気ローラl5fC
阪着して職り除かれ、ブレード16により元に戻される
ように構成されている。
Therefore, in response to voltage application from the DC power source 17, the recovery device 8 deposits the toner in the stirred agent on the electroconductive loaf 12 and transports the transported toner in the direction of the arrow 2. is scraped off by the slide 1114113 and collected by the screw conveyor 14. Furthermore, even if magnetic carrier is mixed with the toner and transported by the conductive roller 12, it will not be scraped off by the sliding plate 1s. Before the magnetic carrier is transferred to the magnetic roller l5fC
It is configured so that it is removed after arriving at the station and returned to its original state by a blade 16.

オた、上記検出装置9は、ケース本体s内の現像剤を搬
送路18を介して検出筒19内に送〕込み、この送り込
まnた現像剤のトナー濃度をコイ’;wH1zo及び鉄
心21などにより検出し、増幅器22t−介し、上記回
収装置8の直流電源17に検出信号を出力し、直流電源
17の電圧をトナー濃度に応じて、可変するように構成
されている。
Additionally, the detection device 9 feeds the developer in the case body s into the detection tube 19 via the conveyance path 18, and detects the toner concentration of the fed developer by detecting the toner concentration, the iron core 21, etc. The detection signal is output to the DC power supply 17 of the collection device 8 through the amplifier 22t, and the voltage of the DC power supply 17 is varied according to the toner concentration.

即ち、上記検出装置9tj、トナーamが高いと亀は%
Il#i′#L源17の電圧を高くし、導電性ローラ1
2に吸着するトナー量を多くし%また、トナー#lI度
が低いときは、直流電像17の電圧管低くし、導電性ロ
ーラ12に吸着するトナー量を少なくするようになって
いる。この場合、上記検出筒19内に送り込まれたjJ
像剤は、搬送路23を介してケース本体す内に戻される
ようになっている。
In other words, if the toner am is high in the detection device 9tj, the tortoise is %
The voltage of the Il#i'#L source 17 is increased, and the conductive roller 1
Further, when the toner #lI degree is low, the voltage tube of the DC electric image 17 is lowered to reduce the amount of toner adsorbed to the conductive roller 12. In this case, jJ sent into the detection tube 19
The image agent is returned into the case body via the conveyance path 23.

次に、上記のように構成されたクリーニング装置4の作
用について説明する。まず、感光ドラムIKよp帯電、
露光%現像及び転写が行なわれ良彼、感光層30表面に
残留したトナーが矢印X方1がスリーブ6bと共に、矢
印Y方向に回転しながら、上記感光層3の貌面を摺擦し
、残留トナーを感光層30表面から除去する。このよう
に、除去されたトナーは、スリーブ6bの回転に伴い、
磁気ローラ6の非着磁部6aの箇所で、スリーブ6bか
ら現像剤と共に離脱し、ケース本体5内に落下する。こ
の落下したトナー及び現像剤は、攪拌装置7によシ均一
になるよう攪拌される。このように均一に攪拌され*a
俸剤の一部は、検出装置9の搬送jl18¥r介して検
出筒19内に送り込まれ、ここで現像剤のトナーamが
検出される。
Next, the operation of the cleaning device 4 configured as described above will be explained. First, the photosensitive drum IK is p-charged,
Exposure% After development and transfer are performed, the toner remaining on the surface of the photosensitive layer 30 is rubbed against the surface of the photosensitive layer 3 while rotating in the direction of the arrow Y along with the sleeve 6b, and the toner remaining on the surface of the photosensitive layer 30 is removed. Toner is removed from the surface of the photosensitive layer 30. In this way, the removed toner is removed as the sleeve 6b rotates.
At the non-magnetized portion 6a of the magnetic roller 6, it separates from the sleeve 6b together with the developer and falls into the case body 5. The fallen toner and developer are stirred by the stirring device 7 so that they become uniform. Stirred evenly like this *a
A part of the pellet is sent into the detection cylinder 19 via the conveyance jl18\r of the detection device 9, where the toner am of the developer is detected.

そして、この検出装置9かも検出信号が回収装置8の直
流電源17に入力し、この直流型#lA17の電圧をト
ナー濃度に応じて可変する。このように直流電源17が
可変された場合には、回収装置8の導電性ローラ12に
吸着するトナー量が、トナー濃度に応じて制■される。
The detection signal from this detection device 9 is input to the DC power supply 17 of the collection device 8, and the voltage of this DC type #1A 17 is varied according to the toner concentration. When the DC power source 17 is varied in this way, the amount of toner adsorbed on the conductive roller 12 of the collection device 8 is controlled according to the toner concentration.

そして、上記導電性ローラ12に吸着されたトナーは、
導電性ローラ12に*い矢印2方向に搬送され、#Il
線板13により掻き落され、この掻き落されたトナーは
、スl 17 x−コンベア14により回収される。こ
の場合、仮にトナーと共に磁性、$ヤリアが混入して導
電性ローラ12に吸着して搬送されたとしても、摺擦板
13により掻き落される前に、磁性キャリアは、磁気ロ
ーラ15に吸着して取り除かれ、ブレード16により再
びケース本体5内に戻さする・このように、上記クリー
ニング装置4にあっては、ケース本体す内の現像剤のト
ナー濃度を検出&tKより検出し、且つこの検出信号に
より1回収俵置8のトナー回収量を制御するように構成
されているから、ケース本体5内の現像剤のトナー量f
を常に一定にすることができ、このため、磁気ローラ6
の表面に上記現像剤により構成される磁気ブラシ11が
常に良好な状態となり、感゛光層3の表面に残留したト
ナーを、その表面を何部傷付けることなく、良好に除去
することができる。
The toner adsorbed on the conductive roller 12 is
It is conveyed to the conductive roller 12 in the two directions of the * arrow, and
The toner is scraped off by the wire plate 13, and the scraped toner is collected by the Sl 17 x-conveyor 14. In this case, even if the toner is mixed with magnetic particles and is adsorbed to the conductive roller 12 and conveyed, the magnetic carrier will be adsorbed to the magnetic roller 15 before being scraped off by the rubbing plate 13. The cleaning device 4 detects the toner concentration of the developer in the case body by detecting &tK, and receives this detection signal. Since it is configured to control the amount of toner collected by the one collection straw tray 8, the amount of toner f of the developer in the case body 5
can be kept constant at all times, and for this reason, the magnetic roller 6
The magnetic brush 11 made of the developer is always in a good condition on the surface of the photosensitive layer 3, and the toner remaining on the surface of the photosensitive layer 3 can be removed well without damaging any part of the surface.

以上説明したように、この発明に係るクリー二ンダ装置
によれば、残留トナーが付着した状態で回転するドラム
と、このドラムの表面に磁気ブラシが摺接して残留トナ
ーをドラムの表面から除去する磁気ローラと、この磁気
ローラにより除去されたトナー管電位の付与により吸着
し、且つ回収する回収装置と、前記磁気ローラにより除
去されたトナーの濃度を検出し、且つこの検出結果に応
じた電位を前記回収装置に出力する検出装置とを備えて
なる構成であるから、現像剤のトナー濃度【常に一定に
確保する仁とができ、仁のため、磁気ローラの表面に現
像剤によ〕構成される磁気ブラシが常KjL好な状態と
なり、この結果、ドラムの11画を何部傷付けることな
く、良好に残留トナーを除去することができるという利
点がある。
As explained above, according to the cleaning device according to the present invention, the drum rotates with residual toner attached thereto, and the magnetic brush slides on the surface of the drum to remove the residual toner from the surface of the drum. A magnetic roller, a collection device that attracts and collects the toner removed by the magnetic roller by applying a potential to the tube, and a collection device that detects the concentration of the toner removed by the magnetic roller and generates a potential according to the detection result. Since the configuration includes a detection device that outputs output to the recovery device, the toner concentration of the developer can be maintained at a constant level. The magnetic brush is always in a good state, and as a result, there is an advantage that residual toner can be removed well without damaging any of the 11 strokes on the drum.

なお、スリーブ6bはY方向としたが、逆方向に回動し
てもよく、この場合は央起部iaを画面上上方に付ける
のである。
Although the sleeve 6b is rotated in the Y direction, it may be rotated in the opposite direction, and in this case, the central origin ia is attached to the upper part of the screen.

【図面の簡単な説明】[Brief explanation of the drawing]

図はこの発明に係る電子禎写機におけるり17−ユング
装置の概略構成図である。 1・・・・・・感光Pラム、4・・・・・・クリーニン
グ装置、6・・・・・・磁気ローラ、8・・・・・・回
収装置、9・・・・・・検出装置% 11・・・・・・
磁気ブラシ、12・・・・・・導電性ローラ、13・・
・・・・摺擦板、15・・・・・・磁気ローラ、17・
・・・・・直流電源。
The figure is a schematic diagram of a 17-Jung device in an electronic copying machine according to the present invention. 1...Photosensitive P ram, 4...Cleaning device, 6...Magnetic roller, 8...Collection device, 9...Detection device % 11...
Magnetic brush, 12... Conductive roller, 13...
...Sliding plate, 15...Magnetic roller, 17.
...DC power supply.

Claims (1)

【特許請求の範囲】 1、残留シナ−が付着した状態で回転するドラムと、ζ
Oドツムの表面に磁気ブラシが摺接して残留トナー管ド
ラムのamから除去する磁気ローラと、この磁気−−ラ
によ〕除去されたトナーを電位の付与によ)1着し且つ
回収する回収装置と、前Ie磁気ローラにより除去され
大トナーの11度を検出し、且つこの検出結果に応じた
電位を曽I2關収俟置に出力する検出装置とを備えて1
にゐ電子I[平機におけるクリー二ンダ装置。 1 前記回収俟置社、前記磁気ローツにより除去されえ
トナーを電位の付与によ611着する導電性ローラと、
この導電性ローラの表面に吸着したトナーを掻11落す
摺擦体とからなること1*徴とする轡許饋求の範fIl
諷1項記載の電子複写機におけるクリーニング装置。 3、前記回収装置は、前記磁気ローラにより除去された
トナー管電位の付与により執着する導電性P−ラと、こ
の導電性ローラの表面に吸着したトナーtS*落す摺擦
体と、前記導5電性ローツの近傍に設けられ且つ導電性
ローラに付着してiる磁性キャリア管吸着する磁気ロー
ラとからなること1*黴とする善許錆求の範S菖1項記
載の電子被写機Kspけゐクリーニング装置。
[Claims] 1. A drum that rotates with residual china attached, and ζ
A magnetic roller with a magnetic brush in sliding contact with the surface of the O dot removes residual toner from the am of the tube drum, and a collection system in which the toner removed by this magnetic roller is deposited and collected by applying an electric potential. and a detection device that detects the 11 degrees of the large toner removed by the front Ie magnetic roller and outputs a potential according to the detection result to the I2 control device.
Nii Denshi I [Cleaning device for flatbed machines. 1. A conductive roller that attaches the toner that was removed by the magnetic roller by applying a potential;
The scope of the request for permission shall consist of a rubbing body that scrapes off the toner adsorbed on the surface of the conductive roller.
A cleaning device for an electronic copying machine according to item 1. 3. The collection device includes a conductive P-ra that is attached by applying a potential to the toner tube removed by the magnetic roller, a rubbing body that drops the toner tS* adsorbed on the surface of the conductive roller, and the conductor 5. The electronic photographic camera described in item 1 shall consist of a magnetic roller which is provided in the vicinity of the conductive roller and which attracts a magnetic carrier tube attached to the conductive roller. Cleaning device.
JP20364781A 1981-12-18 1981-12-18 Cleaning device in electronic copying machine Pending JPS58105275A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP20364781A JPS58105275A (en) 1981-12-18 1981-12-18 Cleaning device in electronic copying machine
GB08235440A GB2114936B (en) 1981-12-18 1982-12-13 Magnetic brush cleaning device for image forming appartus
US06/450,569 US4470694A (en) 1981-12-18 1982-12-17 Magnetic brush cleaning device for image forming apparatus
DE3246940A DE3246940C2 (en) 1981-12-18 1982-12-18 Cleaning device for an image forming apparatus having a magnetic brush device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20364781A JPS58105275A (en) 1981-12-18 1981-12-18 Cleaning device in electronic copying machine

Publications (1)

Publication Number Publication Date
JPS58105275A true JPS58105275A (en) 1983-06-23

Family

ID=16477501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20364781A Pending JPS58105275A (en) 1981-12-18 1981-12-18 Cleaning device in electronic copying machine

Country Status (1)

Country Link
JP (1) JPS58105275A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285981A (en) * 1988-05-13 1989-11-16 Ricoh Co Ltd Electrophotographic copying method
JPH034289A (en) * 1989-05-31 1991-01-10 Sharp Corp Magnetic brush cleaning device
US20110097117A1 (en) * 2009-10-28 2011-04-28 Hiroshi Akita Image Forming Apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285981A (en) * 1988-05-13 1989-11-16 Ricoh Co Ltd Electrophotographic copying method
JPH034289A (en) * 1989-05-31 1991-01-10 Sharp Corp Magnetic brush cleaning device
US20110097117A1 (en) * 2009-10-28 2011-04-28 Hiroshi Akita Image Forming Apparatus
US8331833B2 (en) * 2009-10-28 2012-12-11 Konica Minolta Business Technologies, Inc. Image forming apparatus

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