JPS60168158A - Electrostatic recording apparatus - Google Patents
Electrostatic recording apparatusInfo
- Publication number
- JPS60168158A JPS60168158A JP59024656A JP2465684A JPS60168158A JP S60168158 A JPS60168158 A JP S60168158A JP 59024656 A JP59024656 A JP 59024656A JP 2465684 A JP2465684 A JP 2465684A JP S60168158 A JPS60168158 A JP S60168158A
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- image
- section
- electrode
- forming section
- 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
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
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1623—Means to access the interior of the apparatus
- G03G21/1628—Clamshell type
-
- 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
- G03G2221/1678—Frame structures
- G03G2221/1687—Frame structures using opening shell type machines, e.g. pivoting assemblies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は点検・保守の容易な構造をもった静電記録装置
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrostatic recording device having a structure that is easy to inspect and maintain.
静電記録装置の構造は、通常画像担持体面に像様露光を
与えるための光学系と、画像担持体及びそれを中心とし
て配置された現像器、りＩＪ−ニング装置等から成る画
像形成部と１記録用紙を搬送する給紙搬送部に大別する
ことが出来る。これらの各部は夫々多くの部材から成立
ち複雑に組合されており、°そのまへでは給紙、搬送経
路に生じた紙詰り（いわゆるジャミング）の除去、トナ
ーの補給）各部の清掃等の点検・保守が困難である。The structure of an electrostatic recording device usually consists of an optical system for applying imagewise exposure to the surface of an image carrier, an image forming section consisting of an image carrier, a developing device arranged around the image carrier, an IJ-printing device, etc. It can be roughly divided into paper feed conveyance sections that convey one recording sheet. Each of these parts is made up of many parts and is assembled in a complex manner, so inspections such as feeding paper, removing paper jams (so-called jamming) that occur in the conveyance path, replenishing toner, and cleaning each part are necessary. - Difficult to maintain.
特に最近多用される／Ｊ％型機の開発に際しての大きな
問題となっていた。This was a major problem especially when developing the /J% type machines that have been frequently used recently.
この問題に対する対策として静電記録装置本体なはＶ記
録紙の搬送経路に沿って２分してその一端な回動可能に
結合した構造のものが実用化されている。こうした構造
の装置ではその上部機体を上方に回動することにより記
録紙の搬送経路がほとんど開放されるため詰った紙の除
去、不具合点の改修等を容易に行なうことができる。し
かしながらこれらの静電記録装置においても、像担持体
、帯電電極、現像器、クリーニング装置等が密集した画
像形成部の点検・保守の困難性はそのま瓦残されている
のが実情である。As a countermeasure to this problem, a structure has been put into practical use in which the main body of an electrostatic recording apparatus is divided into two parts along the conveyance path of the V-recording paper, and one end is rotatably connected. In an apparatus having such a structure, by rotating the upper body upward, most of the recording paper conveyance path is opened, so that jammed paper can be easily removed, defects can be repaired, etc. However, the reality is that even in these electrostatic recording devices, it is difficult to inspect and maintain the image forming section where the image bearing member, charging electrode, developing device, cleaning device, etc. are crowded together.
本発明の目的は機体内部の各部分の点検・保守の極めて
容易な静電記録装置を提供することにある。An object of the present invention is to provide an electrostatic recording device in which each part inside the machine body can be inspected and maintained extremely easily.
前記の目的は少くとも給紙搬送部、静電像担持体、及び
転写部を有する下部機体と、少くとも露光光学系を有す
る上部機体とに分割され、両者が軸で回動可能に結合さ
れていることを特徴とする静電記録装置によって達成さ
れた。The above object is to be divided into a lower body having at least a paper feeding conveyance section, an electrostatic image bearing member, and a transfer section, and an upper body having at least an exposure optical system, and both of them are rotatably connected around a shaft. This was achieved by an electrostatic recording device characterized by:
即ち本発明の静電記録装置は、光学系部分を含む上部機
体を上方に回動することにより静電像担持体、現像器等
より成る画像形成部の上部を開放し、この部分の点検・
保守を容易に行えるよ５１ｃ構成されたものである。That is, in the electrostatic recording device of the present invention, the upper body including the optical system section is rotated upward to open the upper part of the image forming section consisting of the electrostatic image carrier, the developing device, etc., and this section can be inspected and inspected.
It has a 51c structure for easy maintenance.
また本発明による静電記録装置の下部機体は、更に少く
とも給紙搬送部を含む最下部機体と、少くとも静電像担
持体及び現像部を有する中間部機体に分割され、両者が
軸により回動可能に結合された構造をもつことが好まし
い。かくすることにより）中間部機体を上方に回動して
給紙搬送経路を開放して紙詰りに対処することが可能と
なり、本発明により可能となった画像形成部上面の開放
とあいまって静電記録装置内のほとんどの部位の点検・
保守を極めて容易に行ない得るようになる。Further, the lower body of the electrostatic recording apparatus according to the present invention is further divided into a lower body that includes at least a paper feed conveyance section and an intermediate body that has at least an electrostatic image bearing member and a developing section, both of which are connected by a shaft. Preferably, it has a rotatably coupled structure. By doing this, it becomes possible to deal with paper jams by rotating the intermediate body upward to open the paper feeding and conveying path. Inspection and inspection of most parts of the electronic recording device
Maintenance becomes extremely easy.
以下実施例によって具体的に説明する。This will be specifically explained below using examples.
第１図は本発明の一例を示すレーザプリンタの概要図で
ある。図中１はレーザ発振部、レンズ。FIG. 1 is a schematic diagram of a laser printer showing an example of the present invention. 1 in the figure is the laser oscillation unit and lens.
音響変調素子１回転多面鏡９反射鏡等より成る光学系（
ｌａ部は省略）である。光学系は軸２によってプリンタ
本体に回動可能に結合された基盤３上に取付けられ上部
機体を構成している。An optical system consisting of an acoustic modulation element, 1 rotating polygon mirror, 9 reflecting mirrors, etc.
(a part is omitted). The optical system is mounted on a base 3 which is rotatably connected to the printer main body by a shaft 2, and constitutes an upper body.
外部コンピュータ等よりの画像信号によって変調された
レーザビームＢＬは帯電電極によって全面に帯電された
静電像担持体である感光ドラム５上に投射され静電像を
形成する。得られた静電像は現像器６によってトナー現
像される。The laser beam BL modulated by an image signal from an external computer or the like is projected onto the photosensitive drum 5, which is an electrostatic image carrier whose entire surface is charged by a charging electrode, to form an electrostatic image. The obtained electrostatic image is developed with toner by a developing device 6.
給紙紙カセット７に装填された記録紙Ｐは給紙ベルト８
によって一枚ずつ引出され、図中一点銭線で示された経
路を経て感光ドラム５と接触する転写部に至り、転写電
極９よりの放電により感光ドラム上のトナー像を転写さ
れる。画像を転写された記録紙Ｐは分離電極１０の除電
効果によって感光ドラムより分離し定着ローラ１１によ
り定着された後、案内板１２に沿って進行し完成された
記録物として排駈朋１３上に排出される。The recording paper P loaded in the paper feed cassette 7 is transferred to the paper feed belt 8
The toner images are pulled out one by one through a path indicated by dotted lines in the figure, and reach a transfer section where they come into contact with the photosensitive drum 5, where the toner image on the photosensitive drum is transferred by discharge from the transfer electrode 9. The recording paper P on which the image has been transferred is separated from the photosensitive drum by the static elimination effect of the separation electrode 10, and after being fixed by the fixing roller 11, it advances along the guide plate 12 and is deposited on the ejector 13 as a completed recording. It is discharged.
上記の光学系以外の各部材はいずれも下部機体中に含ま
れるが、それらのうち感光ドラム５及びその周囲に配置
された帯電電極４．現像器６．クリーニング装置１４は
、最下部機体１５に軸２により回動可能に結合された枠
体１６に取付けられ中間部機体を構成している。All the members other than the optical system mentioned above are included in the lower body, and among them, the photosensitive drum 5 and the charging electrode 4 arranged around it. Developing device6. The cleaning device 14 is attached to a frame 16 rotatably connected to the lowermost body 15 by a shaft 2, and constitutes an intermediate body.
第２図は留めネジ１７を外し上部機体を上方に開いたと
きの状態を示す図であって、この状態では画像形成部の
各部材の上面がすべて開放されるため現像器６へのトナ
ーＴの補給、現像器６．帯電電極１４．クリーニング装
置１４の着脱・清掃等を極めて容易に行なうことができ
る。FIG. 2 is a diagram showing the state when the upper body is opened upward by removing the fixing screw 17. In this state, the top surface of each member of the image forming section is all opened, so that the toner T to the developing device 6 is removed. replenishment, developing device 6. Charging electrode 14. The cleaning device 14 can be attached and detached, cleaned, etc. extremely easily.
例えば、従来は帯電電極４の清掃は電極を抜き出すこと
によって行っていたが、この実施例によれば電極は抜き
出すことなしに機械に装着したま瓦でバククプレートに
設けた穴から清掃することが可能となる。For example, in the past, the charging electrode 4 was cleaned by removing the electrode, but according to this embodiment, the electrode can be cleaned from a hole made in the back plate with a roof tile while it is attached to the machine without being removed. becomes possible.
また第３図は上部機体と中間部機体を上方に上げた状態
を示す図である。図のように最下部機体には給茫ベルト
８．案内板１７．レジストローラ１８゜転写電極９２分
離電極１０より成る転写部、定着ローラ１１を中心とし
た定着部等が取付られているがλ図の状態とすることに
より記録紙の搬送経路が開放され、紙詰り１搬送経路の
汚れ、転写部の汚れ等の処理を簡単に行なうことができ
る。Further, FIG. 3 is a diagram showing a state in which the upper body and the middle body are raised upward. As shown in the figure, there is a feeding belt 8. Information board 17. A transfer section consisting of a registration roller 18°, a transfer electrode 92, and a separation electrode 10, a fixing section centered on a fixing roller 11, etc. are installed, but by setting the condition shown in the λ diagram, the conveyance path of the recording paper is opened, and paper jams can be avoided. 1. It is possible to easily deal with stains on the transport path, stains on the transfer section, etc.
また光学系の点検・保守は装置な第１図の状態とし上部
カバー１９を取外せば容易に行なうことが可能である。Furthermore, inspection and maintenance of the optical system can be easily carried out by leaving the apparatus in the state shown in FIG. 1 and removing the upper cover 19.
上記各状態での機内各部の保守作業は全てプリンタ装置
の前面下の一方向のみ行なうことができ、作業に当って
装置の位置を変える必要がない。Maintenance work for each part of the machine in each of the above states can be performed only in one direction below the front of the printer, and there is no need to change the position of the printer for the work.
本発明の静電記録装置においては機内各部の点検拳保守
を極めて容易であり、また作業を機械の同一面から全て
行なうことができるので、作業の容易性、装置を設置す
る位置の制約が少くなる等の面で大きな利点を有する。In the electrostatic recording device of the present invention, inspection and maintenance of each part inside the machine is extremely easy, and all work can be done from the same side of the machine, so there are fewer restrictions on the ease of work and the location where the device can be installed. It has great advantages in terms of:
尚前記実施例は、レーザプリンタの場合についての例の
みを挙げたが、本発明は複写機、ファクシミリ装置等、
静電記録法を用いる各種記録装置に適用し得るものであ
ることは言うまでもない。In the above embodiments, only the case of a laser printer was given, but the present invention can also be applied to a copying machine, a facsimile machine, etc.
Needless to say, the invention can be applied to various recording devices that use electrostatic recording.
本発明を複写機に適用する場合には本体（下部機体）と
露光光学系を有する上部機体との間の駆動系の係脱は、
例えば原稿台にラック、本体側にビニオンを設け、原稿
台（上部機体）の開閉によってラック−ビニオンの係脱
が行われるようにする。When the present invention is applied to a copying machine, the engagement and disengagement of the drive system between the main body (lower body) and the upper body having the exposure optical system is as follows:
For example, a rack is provided on the document table and a binion is provided on the main body side, and the rack and the pinion are engaged and disengaged by opening and closing the document table (upper body).
また別の例としては、露ブＣ光学系の走査部の駆動を本
体側を駆動源とは独立したモーターで行なうようにして
もよい。この場合は上部機体の開閉による駆動系の係脱
は不要になる。As another example, the scanning section of the exposure C optical system may be driven by a motor independent of the drive source on the main body side. In this case, there is no need to engage or disengage the drive system by opening or closing the upper body.
第１図は本発明によるレーザプリンタの概要図であり、
第２図は同プリンタの上部機体を上方に開いた状態、第
３図は上部機体及び中間部機体を上方に開いた状態を示
す図である。
１・・・・・・光学系 ２・・・・・・軸３・・・・・
・上部機体基盤 ４・・・・・・帯電電極５・・・・・
・感光ドラム ６・・・・・・現像器９・・・・・・転
写電極 １１・・・・・・定着ローラ１３・・・・・・
排紙皿 １４・・・・・・クリーニング装置１６・・・
・・・中間部機体枠体
代理人 弁理士 野 １）義 親FIG. 1 is a schematic diagram of a laser printer according to the present invention,
FIG. 2 shows a state in which the upper body of the printer is opened upward, and FIG. 3 shows a state in which the upper body and the intermediate body are opened upward. 1...Optical system 2...Axis 3...
・Upper fuselage base 4...Charged electrode 5...
・Photosensitive drum 6...Developer 9...Transfer electrode 11...Fixing roller 13...
Paper discharge tray 14...Cleaning device 16...
...Intermediate fuselage frame agent Patent attorney No 1) Parent-in-law
Claims (2)
を有する下部１機体と１少くとも露光光学系を有する上
部機体とに分割され１両者が軸で回動可能に結合されて
いることを特徴とする静電記録装置。(1) It is divided into a lower body having at least a paper feeding conveyance section 1, a static image carrier 1, and a transfer section, and an upper body having at least an exposure optical system, and the two are rotatably connected around a shaft. An electrostatic recording device characterized by:
下部機体と、少くとも静電像担持体及び現像部を有する
中間部機体に分割され、両者が軸で回動可能に結合され
ていることを特徴とする特許請求の範囲第１項記載の静
電記録装置。(2) The lower body is further divided into a lower body having at least a paper feeding section and an intermediate body having at least an electrostatic image bearing member and a developing section, and both are rotatably connected around a shaft. An electrostatic recording device according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59024656A JPS60168158A (en) | 1984-02-13 | 1984-02-13 | Electrostatic recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59024656A JPS60168158A (en) | 1984-02-13 | 1984-02-13 | Electrostatic recording apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60168158A true JPS60168158A (en) | 1985-08-31 |
| JPH0559425B2 JPH0559425B2 (en) | 1993-08-31 |
Family
ID=12144182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59024656A Granted JPS60168158A (en) | 1984-02-13 | 1984-02-13 | Electrostatic recording apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60168158A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6360150U (en) * | 1986-10-08 | 1988-04-21 | ||
| JPS63146050A (en) * | 1986-12-10 | 1988-06-18 | Toshiba Corp | Recorder |
| US4760424A (en) * | 1986-01-24 | 1988-07-26 | Tokyo Electric Co., Ltd. | Multiply separable copier and developing apparatus |
| JPS6417538U (en) * | 1987-07-21 | 1989-01-27 | ||
| JPH01172057U (en) * | 1988-05-25 | 1989-12-06 | ||
| JPH0266570A (en) * | 1988-09-01 | 1990-03-06 | Olympus Optical Co Ltd | Both surface image forming device |
| JPH0343752A (en) * | 1989-06-30 | 1991-02-25 | Internatl Business Mach Corp <Ibm> | Cartridge constitution of electrophotographic type printer |
| EP0460773A2 (en) * | 1986-04-04 | 1991-12-11 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| DE4216681A1 (en) * | 1991-05-20 | 1992-11-26 | Sharp Kk | IMAGE GENERATION DEVICE |
| US5331374A (en) * | 1992-07-13 | 1994-07-19 | Mita Industrial Co., Ltd. | Image forming apparatus capable of opening a main body on one side |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675749U (en) * | 1979-11-16 | 1981-06-20 | ||
| JPS57122468A (en) * | 1980-12-18 | 1982-07-30 | Canon Inc | Electrophotographic copying device |
| JPS5966247U (en) * | 1982-10-25 | 1984-05-02 | 株式会社リコー | image recording device |
-
1984
- 1984-02-13 JP JP59024656A patent/JPS60168158A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675749U (en) * | 1979-11-16 | 1981-06-20 | ||
| JPS57122468A (en) * | 1980-12-18 | 1982-07-30 | Canon Inc | Electrophotographic copying device |
| JPS5966247U (en) * | 1982-10-25 | 1984-05-02 | 株式会社リコー | image recording device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4760424A (en) * | 1986-01-24 | 1988-07-26 | Tokyo Electric Co., Ltd. | Multiply separable copier and developing apparatus |
| EP0460773A2 (en) * | 1986-04-04 | 1991-12-11 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| EP0562648B1 (en) * | 1986-04-04 | 1995-06-14 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| EP0460773B1 (en) * | 1986-04-04 | 1995-01-04 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| EP0562648A2 (en) * | 1986-04-04 | 1993-09-29 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| JPS6360150U (en) * | 1986-10-08 | 1988-04-21 | ||
| JPS63146050A (en) * | 1986-12-10 | 1988-06-18 | Toshiba Corp | Recorder |
| JPS6417538U (en) * | 1987-07-21 | 1989-01-27 | ||
| JPH01172057U (en) * | 1988-05-25 | 1989-12-06 | ||
| JPH0266570A (en) * | 1988-09-01 | 1990-03-06 | Olympus Optical Co Ltd | Both surface image forming device |
| JPH0343752A (en) * | 1989-06-30 | 1991-02-25 | Internatl Business Mach Corp <Ibm> | Cartridge constitution of electrophotographic type printer |
| DE4216681A1 (en) * | 1991-05-20 | 1992-11-26 | Sharp Kk | IMAGE GENERATION DEVICE |
| DE4216681C2 (en) * | 1991-05-20 | 2002-11-07 | Sharp Kk | Electrophotographic device |
| US5331374A (en) * | 1992-07-13 | 1994-07-19 | Mita Industrial Co., Ltd. | Image forming apparatus capable of opening a main body on one side |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0559425B2 (en) | 1993-08-31 |
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