JPH0559425B2 - - Google Patents
Info
- Publication number
- JPH0559425B2 JPH0559425B2 JP59024656A JP2465684A JPH0559425B2 JP H0559425 B2 JPH0559425 B2 JP H0559425B2 JP 59024656 A JP59024656 A JP 59024656A JP 2465684 A JP2465684 A JP 2465684A JP H0559425 B2 JPH0559425 B2 JP H0559425B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- paper
- recording paper
- electrostatic
- recording
- 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.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003068 static effect Effects 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
- G03G21/1604—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)
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つた静電
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、クリーニン
グ装置等から成る画像形成部と、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、そのまゝでは給紙、搬送経路に生じた
紙詰り（いわゆるジヤミング）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 is usually 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, a cleaning device, etc., and a recording sheet. It can be roughly divided into paper feed conveyance units that convey paper. Each of these parts is made up of many parts and assembled in a complex manner, and if left as is, inspections such as paper feeding, removing paper jams (so-called jamming) that occur in the conveyance path, replenishing toner, cleaning each part, etc. Difficult to maintain.
特に最近多用される小型機の開発に際しての大
きな問題となつていた。 This has become a major problem especially when developing small aircraft, which are often used recently.
この問題に対する対策として静電記録装置本体
をほゞ記録紙の搬送経路に沿つて２分してその一
端を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つた紙の除去、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
まゝ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 the electrostatic recording apparatus is divided into two parts along the conveying path of the recording paper, and one end of the two parts 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 remains difficult to inspect and maintain the image forming section, which is crowded with image carriers, charging electrodes, developing devices, cleaning devices, and the like.
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.
像担持体に画像信号によつて変調されたレーザ
ビームにより静電潜像を形成し、トナーによる現
像手段により前記静電潜像部にトナー像を形成
し、該トナー像を転写手段により記録紙に転写し
た後、記録紙上のトナー像を定着手段により定着
する静電記録装置において、
記録紙を給紙を給紙する給紙手段と、給紙され
た記録紙に前記トナー像を転写する転写電極と、
記録紙を前記像担持体より分離する分離電極とを
有する下部機体と、該下部機体の上部に前記静電
潜像を形成する像担持体を中心に帯電電極と、現
像器及びクリーニング装置を設けた中間部機体
と、該中間部機体の上部に露光手段を有する上部
機体と、前記下部機体と、前記中間機体との間
に、前記下部機体の給紙手段より給紙された記録
紙が反転給紙されて搬送される搬送経路を形成
し、前記下部機体の給紙手段より給紙された記録
紙が反転給紙されて搬送される搬送経路を形成
し、前記下部機体と、中間部機体間、及び該中間
部機体と上部機体を各々一方に開放し得るように
静電記録装置の一軸で軸止したことを特徴とする
静電記録装置によつて達成された。
An electrostatic latent image is formed on the image carrier by a laser beam modulated by an image signal, a toner image is formed in the electrostatic latent image area by a toner developing means, and the toner image is transferred to a recording paper by a transfer means. In an electrostatic recording device that fixes the toner image on the recording paper by a fixing means after transferring the toner image to the recording paper, there is a paper feeding means that feeds the recording paper, and a transfer unit that transfers the toner image to the fed recording paper. electrode and
A lower body has a separation electrode that separates the recording paper from the image carrier, and a charging electrode, a developing device, and a cleaning device are provided on the upper part of the lower body around the image carrier that forms the electrostatic latent image. The recording paper fed from the paper feeding means of the lower body is inverted between the intermediate body, the upper body having an exposure means on the upper part of the middle body, the lower body, and the intermediate body. A conveyance path is formed in which paper is fed and conveyed, and a conveyance path is formed in which recording paper fed from the paper feeding means of the lower body is reversely fed and conveyed, and the lower body and the middle body are conveyed. This has been achieved by an electrostatic recording device characterized in that the intermediate body and the upper body are fixed on one shaft of the electrostatic recording device so that they can be opened to one side.
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うに
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 is constructed to allow 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、前記各機体が一個の軸により回動
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つた画像形成
部上面の開放とあいまつ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 device according to the present invention includes:
Furthermore, the structure is divided into a lowermost body including at least a paper feed conveyance section and an intermediate body having at least an electrostatic image bearing member and a developing section, and each of the above bodies is rotatably connected by a single shaft. Preferably. By doing this, it becomes possible to deal with paper jams by rotating the intermediate body upward and opening the paper feed conveyance path. Inspection and maintenance of most of the parts within the electronic recording device can be performed extremely easily.
以下実施例によつて具体的に説明する。 This will be explained in detail 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、
音響変調素子、回転多面鏡、反射鏡等より成る光
学系（細部は省略）である。光学系は軸２によつ
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１５Ｂを構成している。
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, lens,
It is an optical system (details are omitted) consisting of an acoustic modulation element, a rotating polygon mirror, a reflecting mirror, etc. The optical system is mounted on a base 3 rotatably connected to the printer main body by a shaft 2, and constitutes an upper body 15B.
外部コンピユータ等よりの画像信号によつて変
調されたレーザビームBLは帯電電極によつて全
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によつてトナー現像される。 The laser beam BL modulated by an image signal from an external computer etc. is applied to the photosensitive drum 5, which is an electrostatic image carrier whose entire surface is charged by a charging electrode.
is projected onto the surface to form an electrostatic image. The obtained electrostatic image is developed with toner by a developing device 6.
給紙紙カセツト７に装填された記録紙Ｐは給紙
ベルト８によつて一枚ずつ引出され、図中一点鎖
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の除電効果によつて
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に沿つて進行し完成された
記録物として排紙皿１３上に排出される。 The recording paper P loaded in the paper feed cassette 7 is pulled out one by one by the paper feed belt 8, passes through the path shown by the dashed line in the figure, and reaches the transfer section where it comes into contact with the photosensitive drum 5, where it is transferred to the transfer electrode. The toner image on the photosensitive drum is transferred by the discharge from 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 delivered to the paper discharge tray 13 as a completed recorded product. It is discharged to the top.
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１５Ａを構成している。 All the members other than the optical system mentioned above are included in the lower body, but among them, the photosensitive drum 5 and the charging electrode 4 arranged around it, the developing device 6, and the cleaning device 14 are included in the lower body 15. It is attached to a frame 16 which is rotatably connected to the shaft 2, and constitutes an intermediate body 15A.
第２図は留めネジ１７Ａを外し、上部機体１５
Ｂを上方に開いたときの状態を示す図であつて、
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。 Figure 2 shows the upper fuselage 15 after removing the fixing screw 17A.
It is a diagram showing a state when B is opened upward, and
In this state, all the upper surfaces of each member of the image forming section are opened, so it is extremely easy to replenish the developing device 6 with toner T, and to attach and detach the developing device 6, the charging electrode 14, and the cleaning device 14, and to clean it. can.
例えば、従来は帯電電極４の清掃は電極を抜き
出すことによつて行つていたが、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
まゝでバツ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 in this embodiment, the electrode can be cleaned through a hole provided in the back plate while it is still attached to the machine without being removed. It becomes possible to do so.
また、第３図は上部機体１５Ｂと中間部機体１
５Ａを留めネジ１７Ａにて固定し、軸２を中心に
して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１５には給紙ベルト８と記録紙Ｐを
反転案内する案内板１７、レジストローラ１８、
転写電極９、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、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、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。 Also, Figure 3 shows the upper body 15B and the middle body 1.
5A is fixed with a fixing screw 17A and is a diagram showing a state in which it is raised upward about the shaft 2. FIG. As shown in the figure, the lowermost body 15 includes a paper feed belt 8, a guide plate 17 for reversing and guiding the recording paper P, registration rollers 18,
A transfer section consisting of a transfer electrode 9 and a separation electrode 10, a fixing section centered on a fixing roller 11, etc. are installed, but by setting it in the state shown in the figure, the conveyance path of the recording paper is opened, and paper jams and the conveyance path are prevented. It is possible to easily deal with stains on the printer, stains on the transfer area, etc.
また光学系の点検・保守は装置を第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 placing 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、作業に当つて装置の位置を変える必要がな
い。 Maintenance work for each part of the printer 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 during the work.
本発明の静電記録装置においては機内各部の点
検・保守が極めて容易であり、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, it is extremely easy to inspect and maintain each part inside the device, and all work can be done from the same side of the machine, so there are fewer restrictions on 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、フアク
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 a laser printer has been described, but it goes without saying that the present invention can be applied to various recording devices using electrostatic recording, such as copying machines and facsimile machines.
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、例えば原稿台にラツク、本体側に
ピニオンを設け、原稿台（上部機体）の開閉によ
つてラツク−ピ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 drive system between the main body (lower body) and the upper body having the exposure optical system can be easily connected and disconnected, for example, by installing a pinion on the document table, and by providing a pinion on the document table. The rack-pinion is engaged and disengaged by opening and closing the (upper body).
また別の例としては、露光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 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、１
６……中間部機体枠体。
FIG. 1 is a schematic diagram of a laser printer according to the present invention, FIG. 2 is a diagram showing the printer with its upper body opened upward, and FIG. 3 is a diagram showing its upper body and intermediate body opened upward. It is. 1... Optical system, 2... Axis, 3... Upper body base, 4... Charged electrode, 5... Photosensitive drum, 6...
Developing device, 9... Transfer electrode, 11... Fixing roller,
13... Paper discharge tray, 14... Cleaning device, 1
6...Middle fuselage frame.
Claims (1)
ザビームにより静電潜像を形成し、トナーによる
現像手段により前記静電潜像部にトナー像を形成
し、該トナー像を転写手段により記録紙に転写し
た後、記録紙上のトナー像を定着手段により定着
する静電記録装置において、 記録紙を給紙を給紙する給紙手段と、給紙され
た記録紙に前記トナー像を転写する転写電極と、
記録紙を前記像担持体より分離する分離電極とを
有する下部機体と、該下部機体の上部に前記静電
潜像を形成する像担持体を中心に帯電電極と、現
像器及びクリーニング装置を設けた中間部機体
と、該中間部機体の上部に露光手段を有する上部
機体と、前記下部機体と、前記中間機体との間
に、前記下部機体の給紙手段より給紙された記録
紙が反転給紙されて搬送される搬送経路を形成
し、前記下部機体と、中間部機体間、及び該中間
部機体と上部機体を各々一方に開放し得るように
静電記録装置の一軸で軸止したことを特徴とする
静電記録装置。[Scope of Claims] 1. An electrostatic latent image is formed on an image carrier by a laser beam modulated by an image signal, a toner image is formed on the electrostatic latent image portion by a toner developing means, and the toner image is In an electrostatic recording device that transfers an image onto a recording paper using a transfer means and then fixes the toner image on the recording paper using a fixing means, a paper feeding means that feeds the recording paper and a paper feeding means that feeds the recording paper, and a a transfer electrode that transfers the toner image;
A lower body has a separation electrode that separates the recording paper from the image carrier, and a charging electrode, a developing device, and a cleaning device are provided on the upper part of the lower body around the image carrier that forms the electrostatic latent image. The recording paper fed from the paper feeding means of the lower body is inverted between the intermediate body, the upper body having an exposure means on the upper part of the middle body, the lower body, and the intermediate body. A transport path for feeding and conveying the paper is formed, and the electrostatic recording device is pivoted on one axis between the lower body and the intermediate body, and between the intermediate body and the upper body so that each can be opened to one side. An electrostatic recording device characterized by:
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 JPS60168158A (en) | 1985-08-31 |
| JPH0559425B2 true 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) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920001973B1 (en) * | 1986-01-24 | 1992-03-07 | 도오꾜오 덴끼 가부시끼가이샤 | Electro static photographic apparatus |
| DE3784261T2 (en) * | 1986-04-04 | 1993-06-09 | Seiko Epson Corp | DEVICE FOR PRODUCING AN IMAGE ON A PAPER SHEET. |
| JPH064351Y2 (en) * | 1986-10-08 | 1994-02-02 | カシオ電子工業株式会社 | Image forming device |
| JPH0820839B2 (en) * | 1986-12-10 | 1996-03-04 | 株式会社東芝 | Recording device |
| JPH066362Y2 (en) * | 1987-07-21 | 1994-02-16 | カシオ電子工業株式会社 | Image forming device |
| JPH064359Y2 (en) * | 1988-05-25 | 1994-02-02 | リコー特機株式会社 | Paper drop prevention device for transfer paper |
| JPH0266570A (en) * | 1988-09-01 | 1990-03-06 | Olympus Optical Co Ltd | Both surface image forming device |
| US5136333A (en) * | 1989-06-30 | 1992-08-04 | Lexmark International, Inc. | Electrophotographic printer and cartridge arrangement |
| JP2628236B2 (en) * | 1991-05-20 | 1997-07-09 | シャープ株式会社 | Image forming 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122468A (en) * | 1980-12-18 | 1982-07-30 | Canon Inc | Electrophotographic copying device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675749U (en) * | 1979-11-16 | 1981-06-20 | ||
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122468A (en) * | 1980-12-18 | 1982-07-30 | Canon Inc | Electrophotographic copying device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60168158A (en) | 1985-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0559425B2 (en) | ||
| US6498917B2 (en) | Image forming apparatus for enhancing the durability of a vibration preventing member and protecting a rotary unit from defective rotation | |
| JPS6079368A (en) | Image recorder | |
| JP3044101B2 (en) | Multicolor image forming device | |
| JP2009069825A (en) | Image forming apparatus and secondary transfer roller cleaning method of same | |
| JPH0782288B2 (en) | Process cartridge and image forming apparatus using the same | |
| JPH0682233B2 (en) | Electrophotographic device | |
| JPH03229272A (en) | Electrophotographic recording device | |
| JP2576307B2 (en) | Image forming device | |
| JPH04166956A (en) | Image forming apparatus | |
| JP2000066472A (en) | Image forming device and copying device | |
| JP3318063B2 (en) | Image forming device | |
| JP2001092271A (en) | Image-forming device | |
| JP3283740B2 (en) | Image forming apparatus cleaning device | |
| JPH0199066A (en) | Xerographic type printer | |
| JPH01167853A (en) | Image forming device | |
| JP2715539B2 (en) | Electrophotographic recording device | |
| JPH05323690A (en) | Color image forming device | |
| JP2826662B2 (en) | Color image forming equipment | |
| JPS627582A (en) | Image-forming device | |
| JPH0560100B2 (en) | ||
| JPH0635239Y2 (en) | Electrophotographic recording device | |
| JP2974264B2 (en) | Image forming device | |
| JP2558327Y2 (en) | Transfer drum cleaning device | |
| JPH05213474A (en) | Paper sheet conveyor and image forming device using it |