JPH03180860A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPH03180860A JPH03180860A JP1318863A JP31886389A JPH03180860A JP H03180860 A JPH03180860 A JP H03180860A JP 1318863 A JP1318863 A JP 1318863A JP 31886389 A JP31886389 A JP 31886389A JP H03180860 A JPH03180860 A JP H03180860A
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- photoreceptor
- operating
- contact
- operating members
- 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
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 108091008695 photoreceptors Proteins 0.000 claims description 44
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
- Cleaning In Electrography (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、複写機、ファクシミリ、プリンタなどの画像
形成装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to image forming apparatuses such as copying machines, facsimile machines, and printers.
従来の画像形成装置において、感光体、あるいは現像部
、クリーニング部などの保守、交換時の着脱作業を容易
にするため、特開昭５７−１．９２９８５号公報、実公
昭５５−３９４１１号公報の発明、考案が提案されてい
る。In conventional image forming apparatuses, in order to facilitate the installation and removal work during maintenance and replacement of the photoreceptor, developing section, cleaning section, etc., the methods described in Japanese Patent Application Laid-open No. 57-1.92985 and Japanese Utility Model Publication No. 55-39411 have been proposed. Inventions and ideas are proposed.
上記の特開昭５’ｌ−１９２９８５号公報の発明では、
現像部などの近接部材を感光体に接離させるために、近
ｔｇ部材の支持体に回動支点を２ケ所必要としており、
また実公昭５５−３９４１１号公報の考案では、クリー
ニングユニットをカム。In the invention of the above-mentioned Japanese Patent Application Laid-open No. 5'l-192985,
In order to move a nearby member such as a developing section toward and away from the photoreceptor, two pivot points are required on the support of the near TG member.
Moreover, in the invention of Utility Model Publication No. 55-39411, the cleaning unit is a cam.
リンク、ソレノイドなどを使用して感光体に対して接離
させている。Links, solenoids, etc. are used to bring it into contact with and separate from the photoreceptor.
上記従来技術では、現像部、クリーニング部を感光体か
ら接離させるために各部に独立して複稚な構造の操作機
構を設けており、装置の大型化、あるいはコストアップ
の原因となるという問題があった。In the above-mentioned conventional technology, each part is provided with an independent operating mechanism with a complicated structure in order to bring the developing part and the cleaning part into and out of contact with the photoreceptor, which leads to an increase in the size of the device or an increase in cost. was there.
本発明の目的は、簡単で簡素化された構造で、感光体に
対する動作部材の接離操作ができる画像形成装置を提供
することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide an image forming apparatus that has a simple and simplified structure and allows an operating member to move toward and away from a photoreceptor.
上記目的は、感光体上に可視像を形成する現像部、およ
び転写動作後の感光体上の残留トナーを除去するクリー
ニング部などの感光体に対して近接あるいは接触して動
作する複数の動作部材を備えた画像形成装置において、
画像形成動作の停止時に前記複数の動作部材を感光体か
ら離し、また画像形成動作時には複数の動作部材を感光
体に近接あるいは接触させる１つの操作手段を設けた第
１の手段により達成される。The above purpose involves multiple operations that operate close to or in contact with the photoconductor, such as a developing section that forms a visible image on the photoconductor and a cleaning section that removes residual toner on the photoconductor after the transfer operation. In an image forming apparatus including a member,
This is achieved by a first means provided with one operating means that separates the plurality of operating members from the photoreceptor when the image forming operation is stopped, and brings the plurality of operating members closer to or in contact with the photoreceptor during the image forming operation.
また、感光体上に可視像を形成する現像部、および転写
動作後の感光体上の残留トナーを除去するクリーニング
部などの感光体に対して近接あるいは接触して動作する
複数の動作部材を備えた画像形成装置において、画像形
成装置の外装体に設けられた前カバーに、前カバーの開
放時に前記複数の動作部材を感光体から離し、かつ前カ
バーの閉鎖時に複数の動作部材を感光体に近接あるいは
接触させる操作突起を設けた第２の手段によっても達成
される。In addition, there are multiple operating members that operate in close proximity to or in contact with the photoconductor, such as a developing section that forms a visible image on the photoconductor and a cleaning section that removes residual toner on the photoconductor after the transfer operation. In the image forming apparatus, a front cover provided on an exterior body of the image forming apparatus is arranged such that the plurality of operating members are separated from the photoreceptor when the front cover is opened, and the plurality of operating members are separated from the photoreceptor when the front cover is closed. This can also be achieved by a second means of providing an operating protrusion that is brought close to or in contact with.
上記第１の手段によれば、現像部、クリーニング部など
の感光体に対して近接あるは接離して動作する１つの操
作手段の操作により複数の動作部材の感光体に対する接
離動作が同時になされる。According to the first means, a plurality of operating members are moved toward and away from the photoreceptor at the same time by operating one operating means that operates in close proximity to or away from the photoreceptor, such as a developing section or a cleaning section. Ru.
また、上記第２の手段によれば、同様の動作部材の接離
・近接動作を外装体の前カバーの開閉動作に連動して行
うことができる。Further, according to the second means, the similar approaching/separating/approaching operations of the operating members can be performed in conjunction with the opening/closing operations of the front cover of the exterior body.
以下、本発明の実施例を図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の第１実施例に係る画像形成装置の要部
断面図、第２図は第１図の第１実施例の作動時の状態を
示す要部断面図、第３図は第１図の第１実施例の平面図
であって、■は感光体カートリッジ、２は感光体カート
リッジＩに内蔵され、矢印入方向に回動駆動される感光
体ベルト、３は感光体カートリッジｌの下部に内蔵され
ている転写チャージャ、４は帯電チャージャ、５は露光
光、６は現像ローラ６ａなどを内蔵した現像部、７はク
リーニングブレード７ａ、ローラ７ｂなどを内蔵したク
リーニング部、８は除電部、９ａ、９ｂは感光体ヘルド
２に近接あるいは接触する動作部材である現像部６とク
リーニング部７を回動可能に支承する回動支軸、１０ａ
、］Ｏｂは現像部６とクリーニング部７の一部に当接し
て位置決めする基準ビン、１１２．１１ｂは現像部６と
クリーニング部７とを感光体ヘルド２に近接あるいは接
触させる方向に付勢する板ばね１２ａ、１２ｂの一端を
支持している回転軸、１３ａ、１３ｂは一端が回転軸１
１ａ、ｌｌｂに軸支された加圧板、１４ａ、１４ｂは第
３図に示すように操作手段である前カバー１５に突設さ
れ、かつ加圧板１３ａ。FIG. 1 is a sectional view of a main part of an image forming apparatus according to a first embodiment of the present invention, FIG. 2 is a sectional view of a main part showing the operating state of the first embodiment of FIG. 1, and FIG. 1 is a plan view of the first embodiment of FIG. 1, where ■ is a photoreceptor cartridge, 2 is a photoreceptor belt built in the photoreceptor cartridge I and rotated in the direction indicated by the arrow, and 3 is a photoreceptor cartridge L. 4 is a charger, 5 is an exposure light, 6 is a developing section that includes a developing roller 6a, 7 is a cleaning section that includes a cleaning blade 7a, a roller 7b, etc., and 8 is a static neutralizer. 9a and 9b are rotational shafts 10a that rotatably support the developing section 6 and the cleaning section 7, which are operating members that are close to or in contact with the photoreceptor heald 2;
,]Ob is a reference bottle that abuts and positions a part of the developing section 6 and cleaning section 7, and 112.11b is a reference bin that urges the developing section 6 and cleaning section 7 in a direction toward or in contact with the photoreceptor heald 2. One end of the leaf springs 12a, 12b is supported by the rotating shaft, and one end of the leaf spring 13a, 13b is the rotating shaft 1.
As shown in FIG. 3, the pressure plates 14a and 14b, which are pivotally supported by the pressure plates 1a and llb, project from the front cover 15, which is the operating means, and the pressure plates 13a.
１３ｂと係脱可能な操作突起、１６ａ、１６ｂは現像部
６とクリーニング部７とを感光体ベルト２から離す方向
に付勢するスプリング、１７３．１７ｂは現像部６とク
リーニング部７とが感光体ベルト２から離れるため回動
した特に回動規制するためのストッパピン、第３図の１
８は前カバー１５を開閉可能に設けた画像形成装置の外
装体である。13b and a removable operation protrusion; 16a and 16b are springs that bias the developing section 6 and the cleaning section 7 in a direction away from the photoreceptor belt 2; and 173. Stopper pin 1 in Fig. 3, especially for regulating the rotation when it rotates to separate from the belt 2.
Reference numeral 8 denotes an exterior body of the image forming apparatus in which the front cover 15 is provided so as to be openable and closable.
第１図、第３図は前カバー１５が閉鎖され、かつ画像形
成動作が可能な状態である。この状態では、操作突起１
４ａ、１４ｂが加圧板１３ａ、１３ｂに当接し、回転軸
１１ａ、ｌｌｂにより板ばね１２ａ、１２ｂが回動して
、現像部６とクリーニング部７とをスプリング１５ａ、
１６ｂの弾発力に抗して感光体ベルト２に近接あるいは
接触させている。この時、現像部６とクリーニング部７
とは基準ビン１０ａ、１０ｂにて回動規制されている。In FIGS. 1 and 3, the front cover 15 is closed and the image forming operation is possible. In this state, the operation protrusion 1
4a, 14b abut against the pressure plates 13a, 13b, and the leaf springs 12a, 12b are rotated by the rotating shafts 11a, llb, thereby connecting the developing section 6 and the cleaning section 7 to the springs 15a, 13b.
It is brought close to or in contact with the photoreceptor belt 2 against the elastic force of the photoreceptor belt 16b. At this time, the developing section 6 and the cleaning section 7
The rotation is restricted by reference bins 10a and 10b.
画像形成動作は公知技＋＃？と同様に行われ、帯電チャ
ージャ４により一様に帯電された感光体ベルト２は露光
光５にて原稿光像の照射を受けて静電潜像が形成される
。静電潜像は現像部６にてトナー現像されて可視化され
、図示しない給紙部から搬送された転写紙に転写チャー
ジャ３にて転写される。そして転写紙は図示しない定着
部で定着されて排紙される。Is the image forming operation a known technique? The photoreceptor belt 2, which has been uniformly charged by the charger 4, is irradiated with the light image of the document by the exposure light 5, and an electrostatic latent image is formed. The electrostatic latent image is visualized by toner development in the developing section 6, and is transferred by the transfer charger 3 onto a transfer paper conveyed from a paper feed section (not shown). Then, the transfer paper is fixed in a fixing section (not shown) and then discharged.
上記の転写後、感光体ヘルド２の表面の残留トナーはク
リーニング部７にて除去され、さらに感光体ヘルド２の
上の残留電位を除電部８でほぼＯボルトに戻して次の画
像形成動作に備える。After the above transfer, the residual toner on the surface of the photoconductor heald 2 is removed by the cleaning section 7, and the residual potential on the photoconductor heald 2 is returned to approximately O volts by the static eliminating section 8, and the next image forming operation is performed. Be prepared.
第２図は前カバー１５が開放され、かつ画像形成動作が
停止した状態であって、感光体力−トリンジ１、現像部
６あるいはクリーニング部７の動作部材の交換、保守の
ため取り出すことが可能な状態になっている。FIG. 2 shows a state in which the front cover 15 is opened and the image forming operation is stopped, and the operating members of the photoreceptor 1, the developing section 6, or the cleaning section 7 can be taken out for replacement or maintenance. is in a state.
同図のような状態になると、前カバー１５の操作突起１
４ａ、１４ｂと加圧板１３ａ、１３ｂとの当接が開放さ
れるため、仮ばね１，７ａ、１２ｂが自由になり、従っ
て、現像部６とクリーニング部７とがスプリング１６ａ
、１６ｂの引っ張り力を受けて、回動支軸９ａ、９ｂを
中心に感光体ヘルド２から離れる方向に同時に回動する
ことになる二この時、現像部６とクリーニング部７とは
ストッパビン１７ａ、１７ｂと当接し、過同動が防止さ
れている。When the state shown in the figure is reached, the operating protrusion 1 of the front cover 15
4a, 14b and the pressure plates 13a, 13b are released, the temporary springs 1, 7a, 12b become free, and therefore the developing section 6 and the cleaning section 7 are connected to the spring 16a.
, 16b, they simultaneously rotate in the direction away from the photoreceptor heald 2 around the pivot shafts 9a, 9b.At this time, the developing section 6 and the cleaning section 7 are moved by the stopper bins 17a, 16b. 17b, and excessive co-movement is prevented.
このように前カバー１５を開放するだけで、感光体ヘル
ド２から動作部材である現像部６とクリーング部７とが
離脱可能となり、各部の着脱がワンタッチで行える。ま
た感光体ベルト２から確実に動作部材６．７が離れるの
で、不用意に感光体ベルト２に粗傷を生しさせることが
防げる。In this manner, simply by opening the front cover 15, the operating members, the developing section 6 and the cleaning section 7, can be detached from the photoreceptor heald 2, and each section can be attached and detached with a single touch. In addition, since the operating members 6.7 are reliably separated from the photoreceptor belt 2, it is possible to prevent the photoreceptor belt 2 from being inadvertently scratched.
第４図（ａ）、 （ｂＪは動作部材の離脱動作をする操
作手段の連動機構の第２実施例を示す構成図であって、
感光体カートリッジ１は省略しである。同図において、
２０は操作手段であるソレノイド、２１ａ、２１ｂは一
端が現像部６とり＋１−ニング部７にそれぞれ連接され
、他端がソレノイド２０の操作部２０ａに連接されたリ
ンク体である。FIGS. 4(a) and 4(b) are block diagrams showing a second embodiment of the interlocking mechanism of the operating means for disengaging the operating member,
The photoreceptor cartridge 1 is omitted. In the same figure,
Reference numeral 20 denotes a solenoid as an operating means, and 21a and 21b are link bodies each having one end connected to the developing section 6 and the +1-ning section 7, and the other end connected to the operating section 20a of the solenoid 20.
第４図ｆａｔは画像形成動作が可能な状態を示しており
、ソレノイド２０の操作部２０ａがリンク体２１３．２
１ｂを下方（矢印り方向）へ引いており、現像部６とク
リーニング部７とが基準ビンｌＱａ、１０ｂと当接して
、感光体ベルト２に対する現像部６とクリーニング部７
との近接、接触状態を保っている。FIG. 4 fat shows a state in which the image forming operation is possible, and the operation section 20a of the solenoid 20 is connected to the link body 213.2.
1b is pulled downward (in the direction of the arrow), the developing section 6 and the cleaning section 7 come into contact with the reference bins lQa and 10b, and the developing section 6 and the cleaning section 7 are pulled against the photoreceptor belt 2.
Maintaining close proximity and contact with.
第４図（ｂ）は画像形成動作の停止）状態を示しており
、ソレノイド２０への通電がオフとなり、操作部２０ａ
の吸引力がなくなるため、スプリング１５ａ、１６ｂの
引っ張り力により、現像部６とクリーニング部７とが感
光体ベルトから離れる方向に回動支軸９ａ、９ｂを中心
に回動し、ストッパビン１７ａ、！７ｂで過回動が規制
されることになる。FIG. 4(b) shows a state in which the image forming operation is stopped, in which the power to the solenoid 20 is turned off and the operation unit 20a is turned off.
Since the suction force of the springs 15a, 16b is lost, the developing section 6 and the cleaning section 7 rotate about the pivot shafts 9a, 9b in a direction away from the photoreceptor belt due to the tensile force of the springs 15a, 16b, and the stopper bins 17a, ! 7b will restrict excessive rotation.
第５図（ａｌ、 （ｂｌは操作部材の連動機構の第３実
施例を示す構成１〕′ドーろって、感光体ベルト２は省
略しである。同国の構成は、Ｉ：’Ａ ！′Ｉ＝部材の
連動機構として、いわゆるスコツト・ラッセル（５ｃｏ
ｔｔＲｕｓｓｅｌ）の機構を用いたもので、３０は操作
手段であるソレノイド、３１ａ、３１ｂは一端が現像部
６とクリーニング部７にそれぞれ連接され、他端Ｎが互
いに回動可能に設けられた第１リンク対、３２は一端が
ソレノイド３０の操作部３０ａに連結され、かつ他端が
ばね３３を介して前記第１リンク対３１３．３１ｂの他
端Ｎに連結している第２リンク、３４は第２リンク３２
の長さ（２１）の１／２で、一端が第２リンク３２の中
央Ｍで支持され、かつ他端がソレノイド３０の吸引方向
の軸線上にあり、中央Ｍの回りに半径ｌの円を描いた時
の交点３５を中心に回動可能な第３リンクである。FIG. 5 (al, bl is configuration 1 showing the third embodiment of the interlocking mechanism of the operating member)'The photoreceptor belt 2 is omitted.The configuration in the same country is I:'A! 'I = As a member interlocking mechanism, the so-called Scott Russell (5co
ttRussel) mechanism, 30 is a solenoid as an operating means, 31a and 31b have one end connected to the developing section 6 and the cleaning section 7, respectively, and the other end N is a first solenoid which is rotatable with respect to each other. The link pair 32 is a second link whose one end is connected to the operating portion 30a of the solenoid 30 and the other end is connected via a spring 33 to the other end N of the first link pair 313.31b. 2 links 32
The length is 1/2 of the length (21), one end is supported at the center M of the second link 32, the other end is on the axis of the solenoid 30 in the suction direction, and a circle with a radius l is formed around the center M. This is a third link that can rotate around the intersection 35 when drawn.
第５図（ａ）は画像形成動作が可能な状態を示しており
、ソレノイド３０の操作部３０ａが第２リンク３２を左
方へ引いており、第３リンク３４の回動を伴ってばね３
３を介して第１リンク対３１ａ３１ｂの他＃ＡＮを下方
へ引き、現像部６とクリーニング部７とが基Ｌセビン１
０ａ、ｌｏｂと当Ｆ妾して、感光体ヘルドに対する現像
部材６とクリーニング部７との近接、接触状態を保って
いる。FIG. 5(a) shows a state in which the image forming operation is possible, in which the operating portion 30a of the solenoid 30 is pulling the second link 32 to the left, and as the third link 34 rotates, the spring 3
3, the first link pair 31a31b and #AN are pulled downward, and the developing section 6 and the cleaning section 7 are connected to the base L Sebin 1.
0a, lob and this F keep the developing member 6 and the cleaning section 7 close to and in contact with the photoreceptor heald.
第５図（ｂ）は画像形成動作の停止状態を示しており、
ソレノイド３０への通電がオフとなり、操作部３０ａの
吸引力がなくなるため、各リンク３１ａ、３１ｂ、３２
．３４が自由になり、スプリング１６ａ、１６ｂの引っ
張り力により、現像部６とクリーニング部７とが感光体
ベルトから離れる方間に回動支軸９ａ、９ｂを中心に回
動し、ストッパピン１７ａ、１７ｂで過回動が規制され
ることになる。FIG. 5(b) shows the stopped state of the image forming operation,
Since the power to the solenoid 30 is turned off and the suction force of the operation part 30a is lost, each link 31a, 31b, 32
．． 34 becomes free, and due to the tensile force of the springs 16a and 16b, the developing section 6 and the cleaning section 7 rotate about the pivot shafts 9a and 9b in a direction away from the photoreceptor belt, and the stopper pins 17a and 17b will restrict excessive rotation.
なお、動作部材を現像部材６とクリーニング部７として
説明しているが、感光体ベルト２の周囲に設置された他
の部材にも本発明は適用できる。Although the operating members are described as the developing member 6 and the cleaning section 7, the present invention can also be applied to other members installed around the photoreceptor belt 2.
また感光体としてカートリッジの形態でなくとも、公知
のドラム、ベルト状のものでも本発明は適用できる。Further, the present invention can be applied to a known drum or belt-shaped photoreceptor instead of a cartridge.
さらに動作部材である現像部６とクリーニング部７とを
回動可能として説明したが、感光体ベルト２の側方へ横
動可能であるようにしても良い。Furthermore, although the developing section 6 and the cleaning section 7, which are operating members, have been described as being rotatable, they may be movable laterally to the side of the photoreceptor belt 2.
また第２．第３実施例において、動作部材６゜７の接離
のタイミングを、公知のコピースタートボタン、あるい
は排紙センサのオフ信号から取って行うことにより、動
作部材６，７を必要最小限の時間だけ感光体に接触させ
ることができるため、感光体のストレスを低減でき、感
光体寿命の向上を図ることができる。Also second. In the third embodiment, the timing of the contact and separation of the operating members 6 and 7 is determined from the known copy start button or the off signal of the paper ejection sensor, so that the operating members 6 and 7 are operated for the minimum necessary time. Since it can be brought into contact with the photoreceptor, stress on the photoreceptor can be reduced and the life of the photoreceptor can be improved.
第３実施例において、動作部材６．７の位置決めを正確
にするためには（基準ビン１０ａ、１０ｂに確実に当接
させる）、ソレノイド３０の操作部３０ａの作動ストロ
ークを過大に与えておいて、ばね３３で寸法調整すると
良い。また第２実施例のリンク体２１ａ、２１ｂとソレ
ノイド２０の操作部２０ａとの間に、上述の寸法調整用
のばねを設けることも考えられる。In the third embodiment, in order to accurately position the operating member 6.7 (to ensure that it contacts the reference bins 10a, 10b), the operating stroke of the operating portion 30a of the solenoid 30 is given excessively. , it is better to adjust the dimensions with the spring 33. It is also conceivable to provide the above-mentioned spring for size adjustment between the link bodies 21a, 21b of the second embodiment and the operating portion 20a of the solenoid 20.
また第３実施例では、他の実施例と比較して、リンクが
増えるという欠点があるが、ソレノイド３０の操作部３
０ａの操作ストロークを小さくでき、またソレノイド３
０を横置きできるので省スペース化に効果がある。Further, in the third embodiment, there is a disadvantage that the number of links increases compared to other embodiments, but the operation part 3 of the solenoid 30
The operating stroke of 0a can be made smaller, and solenoid 3
0 can be placed horizontally, which is effective in saving space.
以上説明したように、請求項１および２記載の発明によ
れば、１つの操作手段もしくは前カバーの開閉で複数の
動作部材の感光体に対する接離動作が行われるので、従
来装置に比べて構成が簡単で簡素化され、省スペースと
コストダウンが図れる画像形成装置を提供できる。As explained above, according to the inventions described in claims 1 and 2, the plurality of operating members are moved toward and away from the photoreceptor by opening and closing one operating means or the front cover, so the structure is different from that of the conventional device. It is possible to provide an image forming apparatus which is simple and simple, and which can save space and reduce costs.
第１図は本発明による画像形成装置の第１実施例の要部
断面図、第２図は第１実施例の作動時の状態を示す要部
断面図、第３図は第１実施例の平面図、第４図（ａ）、
第４図（ｂ）は本発明の第２実施例の構成と作動時の状
態を示す説明図、第５図〔ａ）。
第５図ｆｂ）は本発明の第３実施例の構成と作動状態を
示す説明図である。
２・・・感光体、６．７・・・動作部材（現像部、クリ
ーング部）、１４ａ、 １４ｂ−・・操作突起、１５
２０．３０・・・操作手段。FIG. 1 is a sectional view of a main part of a first embodiment of an image forming apparatus according to the present invention, FIG. 2 is a sectional view of a main part showing the operating state of the first embodiment, and FIG. 3 is a sectional view of a main part of the first embodiment. Plan view, Fig. 4(a),
FIG. 4(b) is an explanatory diagram showing the configuration and operating state of the second embodiment of the present invention, and FIG. 5(a) is an explanatory diagram showing the configuration and operating state of the second embodiment of the present invention. FIG. 5 fb) is an explanatory diagram showing the configuration and operating state of a third embodiment of the present invention. 2... Photoreceptor, 6.7... Operating member (developing section, cleaning section), 14a, 14b-... Operating projection, 15
20.30...Operation means.
Claims (2)
動作後の感光体上の残留トナーを除去するクリーニング
部などの感光体に対して近接あるいは接触して動作する
複数の動作部材を備えた画像形成装置において、画像形
成動作の停止時に前記複数の動作部材を感光体から離し
、また画像形成動作時には複数の動作部材を感光体に近
接あるいは接触させる１つの操作手段を設けたことを特
徴とする画像形成装置。(1) A plurality of operating members that operate in close proximity to or in contact with the photoconductor, such as a developing section that forms a visible image on the photoconductor and a cleaning section that removes residual toner on the photoconductor after a transfer operation. In the image forming apparatus, there is provided one operating means that separates the plurality of operating members from the photoreceptor when the image forming operation is stopped, and brings the plurality of operating members closer to or in contact with the photoreceptor during the image forming operation. An image forming apparatus characterized by:
動作後の感光体上の残留トナーを除去するクリーニング
部などの感光体に対して近接あるいは接触して動作する
複数の動作部材を備えた画像形成装置において、画像形
成装置の外装体に設けられた前カバーに、前カバーの開
放時に前記複数の動作部材を感光体から離し、かつ前カ
バーの閉鎖時に複数の動作部材を感光体に近接あるいは
接触させる操作突起を設けたことを特徴とする画像形成
装置。(2) A plurality of operating members that operate in close proximity to or in contact with the photoconductor, such as a developing section that forms a visible image on the photoconductor and a cleaning section that removes residual toner on the photoconductor after a transfer operation. In an image forming apparatus equipped with a front cover provided on an exterior body of the image forming apparatus, the plurality of operating members are separated from the photoreceptor when the front cover is opened, and the plurality of operating members are moved to the photoreceptor when the front cover is closed. An image forming device characterized by being provided with an operation protrusion that is brought close to or in contact with the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1318863A JPH03180860A (en) | 1989-12-11 | 1989-12-11 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1318863A JPH03180860A (en) | 1989-12-11 | 1989-12-11 | Image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03180860A true JPH03180860A (en) | 1991-08-06 |
Family
ID=18103801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1318863A Pending JPH03180860A (en) | 1989-12-11 | 1989-12-11 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03180860A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07295382A (en) * | 1994-04-25 | 1995-11-10 | Nec Corp | Electrophotographic developing device |
-
1989
- 1989-12-11 JP JP1318863A patent/JPH03180860A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07295382A (en) * | 1994-04-25 | 1995-11-10 | Nec Corp | Electrophotographic developing device |
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