JPS6194065A - Electrostatic recorder - Google Patents
Electrostatic recorderInfo
- Publication number
- JPS6194065A JPS6194065A JP59216888A JP21688884A JPS6194065A JP S6194065 A JPS6194065 A JP S6194065A JP 59216888 A JP59216888 A JP 59216888A JP 21688884 A JP21688884 A JP 21688884A JP S6194065 A JPS6194065 A JP S6194065A
- Authority
- JP
- Japan
- Prior art keywords
- unit
- intermediate image
- image carrier
- image forming
- detached
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000007786 electrostatic charging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000270281 Coluber constrictor Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- OQZCSNDVOWYALR-UHFFFAOYSA-N flurochloridone Chemical compound FC(F)(F)C1=CC=CC(N2C(C(Cl)C(CCl)C2)=O)=C1 OQZCSNDVOWYALR-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- -1 shrubs Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
- G03G21/1853—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks the process cartridge being mounted perpendicular to the axis of the photosensitive member
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1623—Means to access the interior of the apparatus
- G03G21/1633—Means to access the interior of the apparatus using doors or covers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1636—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the exposure unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/18—Cartridge systems
- G03G2221/183—Process cartridge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は静電記録装置に関し、より詳しくは静電潜像を
形成、担持する中間像担持体を含む着脱可能の中間像担
持体ユニットを有する静電記録装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrostatic recording device, and more particularly, to a removable intermediate image carrier unit including an intermediate image carrier that forms and carries an electrostatic latent image. The present invention relates to an electrostatic recording device having the present invention.
複写、データプリント等に使用される静記録装置におい
ては、光・導・低木、或いは誘電体等から成る＝ １−
′
中間像担持体上に静電潜像を形成しトナー現像して顕像
化した上紙等の転写材上に転写して所要の記録物を得て
いる。In static recording devices used for copying, data printing, etc., consisting of light, conductors, shrubs, dielectric materials, etc. = 1-
' An electrostatic latent image is formed on an intermediate image carrier, developed with toner, and transferred onto a transfer material such as paper to obtain a desired recorded product.
また同装置には中間像担持体上に静電像を形成する手段
として原稿を走査する走査光学系、光学変調素子とレー
ザービームを組合せだレーザ書込み装置、或いはビン電
極を用いた画像帯電装置等種々の像形成装置が組込まれ
ておυ、通常機体上部に像形成装置部を配し、その下部
に中間像担持体部分を置いて静電記録装置本体を構成し
ている。The device also includes a scanning optical system that scans a document as a means of forming an electrostatic image on an intermediate image carrier, a laser writing device that combines an optical modulation element and a laser beam, an image charging device that uses a bottle electrode, etc. Various image forming devices are incorporated, and the electrostatic recording device main body is usually arranged with an image forming device section at the top of the device and an intermediate image carrier section below it.
近来、装置の小型化、メンテナンス操作を容易にする、
等の目的で静電記録装置の各部特に点検、修理等のため
分解交換する機会の多い中間像担持体及びその付随部分
を一体のユニットとし、そのまま着脱し得るように構成
することが一般化している。In recent years, equipment has become smaller and maintenance operations have become easier.
For these purposes, it has become common to construct an electrostatic recording device so that each part of the electrostatic recording device, especially the intermediate image carrier and its associated parts, which are often disassembled and replaced for inspection, repair, etc., are integrated into an integrated unit and can be attached and detached as is. There is.
前記のように中間像担持体をユニット化した静電記録装
置における中間像相持体ユニットの着脱構造としては、
（１）装置本体の前扉を開きユニットを手前に引き出す
もの、
（２）本体を上、下２部に分割し上部と下部を側面の一
辺で軸止めし、該軸を中心として上部機体を回動して開
き下部機体内の中間像担持体ユニットを手前に引き出す
もの、
（３ン 前記にと同様にして上部機体を開き、上部機
体内に組込せれた中間像担持体ユニットをその下側から
Ｎ脱するもの、
等がある。As mentioned above, the structure for attaching and detaching the intermediate image carrier unit in an electrostatic recording device in which the intermediate image carrier is unitized is as follows: (1) one that opens the front door of the main body of the device and pulls out the unit; A device that is divided into two parts, an upper and a lower part, and the upper and lower parts are fixed by a shaft on one side of the side, and the upper body is rotated around the shaft to open and pull out the intermediate image carrier unit in the lower body, (3 There is also a method in which the upper body is opened in the same manner as described above, and the intermediate image carrier unit incorporated in the upper body is removed from the lower side.
しかしながら前記（１）、（２）のような中間像相持体
ユニットを手前側に引き出す方式のものでは、記録装置
の前面にユニットを引出し且つ作業を行なうに充分なス
ペースを必要とするため装置の設置場所に制約を生ずる
。引出し用レール、或いはガイド部材は、中間像担持体
ユニットの長さ以上の長いものとなりユニットを引出し
たときの重量バランスが悪くなるなどの欠点があり、ま
た前記３のような構造のものでは、上部機体の開き角度
を太きくしなければならないため特に中型以上の装置で
は操作しにくい、ユニットを下側から着脱するため取扱
がむづかしい等の問題があって更に改、 良が望まれて
いるところであった。However, in the method of pulling out the intermediate image carrier unit toward the front as in (1) and (2) above, sufficient space is required in front of the recording device to pull out the unit and perform operations, so the device This creates restrictions on the installation location. The pull-out rail or guide member is longer than the length of the intermediate image carrier unit, and has disadvantages such as poor weight balance when the unit is pulled out. There are problems such as the need to widen the opening angle of the upper body, which makes it difficult to operate, especially for devices of medium size or larger, and the unit being difficult to handle because it is attached and detached from the bottom, so further improvements and improvements are desired. Ta.
本発明は上記の問題の解決された中間像担持体ユニット
の着脱を極めて容易に行ない得る静電記録装置を提供し
ようとするものである。An object of the present invention is to provide an electrostatic recording device in which the above-mentioned problems are solved and the intermediate image carrier unit can be attached and detached very easily.
前記の問題は中間像担持体に静電潜像を形成せしめる像
形成手段をユニット化した像形成ユニットを、はぼ水平
に移動して非動作位置に移動し得るように構成し、該像
形成ユニットを非動作位置に移すことによって開ける開
口部より中間像担持体ユニットを着脱可能とした静電記
録装置によって解決された。The above problem is solved by arranging an image forming unit, which is a unit of image forming means for forming an electrostatic latent image on an intermediate image carrier, to be able to move almost horizontally to a non-operating position. This problem was solved by an electrostatic recording device in which the intermediate image carrier unit can be attached and detached through an opening that is opened by moving the unit to a non-operating position.
前記中間像担持体ユニットは光４電体或いは誘電体等の
静電潜像形成層を有するドラム或いはベルト状等の中間
像担持体を中心とし、その周辺に付随する各種の電極、
現像装置、クリーニング装等を必要に応じて組合せ一体
化して構成すればよく着脱に便なるようその上面に把手
等を設けてもよい。寸だ像形成ユニットは記録装置の種
類に応じ、ハロゲンランプ、レンズ、ミラー原稿台等よ
りなる原稿走査光学系、レーザ管、音響光学変調素子、
回転多角鏡等のレーザ書込み装置、ＬＥＤアレイ、ＬＣ
８（液晶シャッター）、ピン電極、等の静電潜像形成手
段をそれぞれユニット化して用いれはよい。The intermediate image carrier unit is centered on an intermediate image carrier such as a drum or belt having an electrostatic latent image forming layer such as a photoelectric material or a dielectric material, and various electrodes attached to the periphery thereof.
The developing device, the cleaning device, etc. may be combined and integrated as required, and a handle or the like may be provided on the top surface for convenient attachment and detachment. Depending on the type of recording device, the image forming unit includes a document scanning optical system consisting of a halogen lamp, a lens, a mirror document table, etc., a laser tube, an acousto-optic modulation element,
Laser writing devices such as rotating polygon mirrors, LED arrays, LC
Electrostatic latent image forming means such as 8 (liquid crystal shutter) and pin electrodes may be used as units.
像形成ユニットは静電記録装置本体に設けたレール、或
いはガイド上を、その使用位置から非使用位置に向って
ほぼ水平に移動し得るように取付ければよく、像形成ユ
ニットを非使用位置に移動せしめることによって露出す
る記録装置本体上面に開口部を設け、該開口部を通し上
から中間像担持体ユニットを着脱し得るよう構成する。The image forming unit may be mounted on a rail or a guide provided on the electrostatic recording device main body so that it can be moved almost horizontally from the use position to the non-use position, and the image forming unit may be moved from the non-use position to the non-use position. An opening is provided in the upper surface of the recording apparatus body which is exposed when the recording apparatus is moved, and the intermediate image carrier unit is configured to be able to be attached and detached from above through the opening.
開口部内部には中間像担持体ユニットの位置を規制する
ピン、ガイド等を設けることが好ましい０〔実施例〕
以下本発明を静電記録式レーザプリンタの例によって具
体的に説明するが、本発明はレーザプリンタに限定され
るものではなく、中間像担持ユニットの構成、その他部
制の配置等本発明の実流態＃はこれに限定されるもので
はない。It is preferable to provide a pin, a guide, etc. for regulating the position of the intermediate image carrier unit inside the opening.0 [Example] The present invention will be specifically explained below using an example of an electrostatic recording laser printer. The invention is not limited to laser printers, and the actual state of the invention, such as the configuration of the intermediate image carrying unit and the arrangement of other parts, is not limited thereto.
第１図は不発明によるレーザプリンタの使Ｊ３Ｆ３時の
状態を示す概要図である。FIG. 1 is a schematic diagram showing the state of the laser printer according to the invention when in use.
鎖線Ａで白１れた部分は甲間像担持体ユニットでろって
、光導電性感光層を南する中間像担持ドラム１１、帝′
酸電極２、転写電使３、分離電極４１クリーニング表置
５、除′祇用元路６、回収トナー貯涌谷器７等によって
構成され、上方より層脱し目在に柩付けられている。The part marked in white by the dashed line A is the intermediary image bearing unit, and the intermediate image bearing drum 11, which extends south of the photoconductive photosensitive layer, is connected to the intermediate image bearing unit.
It is composed of an acid electrode 2, a transfer electrode 3, a separation electrode 41, a cleaning surface 5, a removal channel 6, a collected toner reservoir 7, etc., and is installed from above at the delayering point.
鎖線Ｂで囲まれた部分は像形成ユニットであって図には
省略されているがレーサーチューブ、音響光学変調素子
、回転多角鏡、ｆ６レンズ等のレーザ書込み装置が収容
され、入力信号によって変調されたレーザービームはミ
ラーＭを介して中間像担持ドラム上に投射される。像形
成ユニットＢは記録装置本体上のレール８上を図中の白
い矢印方向に移動し得るようになっている０
画像記録に当って中間像担持ドラム１は矢印方向に回転
し・、常電電極２で全面帯電され像形成ユニットより投
射されるレーザービームによっテ１４光され、その表面
に静電５潜像が形成される。静電潜像は現像装置９によ
って現像されてトナー像となシ搬送ローラ１０によって
送られて来る転写紙Ｐに転写される。トナー像を転写さ
れた転写紙は定着ローラ１１によって定着され更に搬送
されて排紙皿１２上に完成した記録物となって排出され
る。The part surrounded by the chain line B is an image forming unit, which is not shown in the figure, but houses laser writing devices such as a racer tube, an acousto-optic modulator, a rotating polygon mirror, and an F6 lens, and is modulated by an input signal. The laser beam is projected onto the intermediate image bearing drum via a mirror M. The image forming unit B is movable in the direction of the white arrow in the figure on the rail 8 on the main body of the recording apparatus.0 During image recording, the intermediate image bearing drum 1 rotates in the direction of the arrow. The entire surface is charged by the electrode 2 and irradiated with a laser beam projected from an image forming unit, and an electrostatic latent image is formed on the surface. The electrostatic latent image is developed by a developing device 9 and transferred into a toner image onto a transfer paper P fed by a conveying roller 10. The transfer paper onto which the toner image has been transferred is fixed by a fixing roller 11 and further conveyed, and is discharged onto a paper discharge tray 12 as a completed recorded product.
転写を終った中間像担持ドラム１は更に回転しクリーニ
ング装置で残留トナーを除かれ除電用光源１３からの光
で除電の上４１Ｉ）使用される。After the transfer, the intermediate image bearing drum 1 is further rotated, the residual toner is removed by a cleaning device, the static electricity is eliminated by light from the static elimination light source 13, and the drum 1 is used (41I).
第２図は前記装置の中間像担持体ユニッ）Ａの着脱時の
状態を示す図である。保守作業ジャム発生等のための中
間像相持体ユニソ）Ａを取外す際には、先づ像形成ユニ
ソ）Ｂをレール８に沿って移動させ図の非使用時位置に
置く、かくすることによって像形成ユニッ）Ｈの下にか
くれていた開口部２１が露出する。FIG. 2 is a diagram showing the state in which the intermediate image carrier unit A of the apparatus is attached and detached. When removing the intermediate image carrier (UNISO) A for maintenance work such as jam occurrence, first move the image forming unit (UNISO) B along the rail 8 and place it in the non-use position as shown in the figure. The opening 21 hidden under the forming unit (H) is exposed.
中間像相持体ユニッ）Ａ上面の柏手２２をもって引き上
げればユニットは開口部２２を通して容易に取外すこと
ができる。取付けの場合は開口部２１から中間像相持ユ
ニットを垂直に落し込みユニット下面の位置固定ピン２
３を本体側底部の嵌合部２４と嵌合するだけでよく操作
は極めて簡単である。The unit can be easily removed through the opening 22 by pulling up the upper surface of the intermediate image support unit (A) using the handle 22. For installation, drop the intermediate image support unit vertically through the opening 21 and press the position fixing pin 2 on the bottom of the unit.
3 into the fitting part 24 on the bottom of the main body and the operation is extremely simple.
中間像担持体ユニットのドラム等の駆動に必要な動力は
本体側の駆動源（図示せず）に接続されたギヤー２５と
ユニット側のギヤー２６（第３図参照）が嵌合して供給
され、また帯電電極２等への電力はユニットの取付によ
って自動的に接続する端子によって本体側の電源より供
給される。第３図は中間像担持体ユニットの斜視図であ
る。The power necessary to drive the drum, etc. of the intermediate image carrier unit is supplied by a gear 25 connected to a drive source (not shown) on the main body side and a gear 26 on the unit side (see FIG. 3) that fit together. Furthermore, power to the charging electrode 2 and the like is supplied from the power source on the main body side through terminals that are automatically connected when the unit is installed. FIG. 3 is a perspective view of the intermediate image carrier unit.
尚中間像担持体着脱の邪魔にならぬよう排紙皿は第２図
のように回動可能となっている。The paper discharge plate is rotatable as shown in FIG. 2 so as not to interfere with the attachment and detachment of the intermediate image carrier.
前記実施例にも明らかなように本発明による静電記録装
置においては中間像担持体ユニットを装置本体上部より
垂直に着脱することができるため、着脱操作を極めて容
易且つ確笑に行なうことができ、静電記録装置の保守点
検、転写紙のジャム発生時の処理等の作業性向上に有効
である。As is clear from the above embodiments, in the electrostatic recording apparatus according to the present invention, the intermediate image carrier unit can be attached and detached vertically from the upper part of the main body of the apparatus, so that attachment and detachment operations can be carried out extremely easily and reliably. It is effective for improving work efficiency such as maintenance and inspection of electrostatic recording devices, and handling of transfer paper jams.
第１図は本発明によるレーザプリンタの概要図、第２図
は同プリンタの中間像担持体ユニット着脱時の状態を示
す図、第３図は中間像担持体ユニットの斜視図である。
Ａ・・・中間像担持体ユニット
Ｂ・・・像形成ユニット
ト・・中間像担持ドラム
２・・・帯電電極
３・・・転写電極
４・・・分離電極
５・・・クリーニング装置
６・・・除電光光路
７・・・回収トナー貯溜容器
２１・・・開口部
２３・・・位置固定ピンFIG. 1 is a schematic diagram of a laser printer according to the present invention, FIG. 2 is a diagram showing the intermediate image carrier unit of the same printer when it is attached and detached, and FIG. 3 is a perspective view of the intermediate image carrier unit. A...Intermediate image carrier unit B...Image forming unit...Intermediate image carrier drum 2...Charging electrode 3...Transfer electrode 4...Separation electrode 5...Cleaning device 6... - Static elimination optical path 7...Recovered toner storage container 21...Opening part 23...Position fixing pin
Claims (1)
体に静電潜像を形成せしめる像形成ユニットを有し、該
像形成ユニットをほぼ水平に移動して非動作位置に移す
ことが可能であり且つ、前記像形成ユニットを非動作部
に移すことによって開らく開口部より前記中間像担持体
ユニットの着脱が可能であることを特徴とする静電記録
装置。It has an intermediate image carrier unit having an intermediate image carrier and an image forming unit that forms an electrostatic latent image on the intermediate image carrier, and the image forming unit can be moved almost horizontally to a non-operating position. An electrostatic recording apparatus characterized in that the intermediate image carrier unit can be attached and detached through an opening that is opened by moving the image forming unit to a non-operating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59216888A JPS6194065A (en) | 1984-10-15 | 1984-10-15 | Electrostatic recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59216888A JPS6194065A (en) | 1984-10-15 | 1984-10-15 | Electrostatic recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6194065A true JPS6194065A (en) | 1986-05-12 |
| JPH0560100B2 JPH0560100B2 (en) | 1993-09-01 |
Family
ID=16695479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59216888A Granted JPS6194065A (en) | 1984-10-15 | 1984-10-15 | Electrostatic recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194065A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270968A (en) * | 1986-05-19 | 1987-11-25 | Konika Corp | Digital image forming device |
| JPH01166055A (en) * | 1987-12-22 | 1989-06-29 | Canon Inc | Positioning mechanism for optical system part and process cartridge of image forming device |
| US5812180A (en) * | 1995-09-20 | 1998-09-22 | Sharp Kabushiki Kaisha | Laser recording apparatus which maintains the laser recording unit in a horizontal position |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162776A (en) * | 1980-05-20 | 1981-12-14 | Sanyo Electric Co Ltd | Electrophotographic copier |
-
1984
- 1984-10-15 JP JP59216888A patent/JPS6194065A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162776A (en) * | 1980-05-20 | 1981-12-14 | Sanyo Electric Co Ltd | Electrophotographic copier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270968A (en) * | 1986-05-19 | 1987-11-25 | Konika Corp | Digital image forming device |
| JPH01166055A (en) * | 1987-12-22 | 1989-06-29 | Canon Inc | Positioning mechanism for optical system part and process cartridge of image forming device |
| US5812180A (en) * | 1995-09-20 | 1998-09-22 | Sharp Kabushiki Kaisha | Laser recording apparatus which maintains the laser recording unit in a horizontal position |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0560100B2 (en) | 1993-09-01 |
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