JPH01292359A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPH01292359A JPH01292359A JP63122712A JP12271288A JPH01292359A JP H01292359 A JPH01292359 A JP H01292359A JP 63122712 A JP63122712 A JP 63122712A JP 12271288 A JP12271288 A JP 12271288A JP H01292359 A JPH01292359 A JP H01292359A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- photoreceptor
- process kit
- image
- light
- 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
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000001678 irradiating effect Effects 0.000 claims abstract description 7
- 108091008695 photoreceptors Proteins 0.000 claims description 21
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (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〕
本発明はプロセスキットを有する画像形成装置に関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an image forming apparatus having a process kit.
従来、この種の画像形成装置は、回転する感光体に静電
潜像を形成し、その潜像を現像して可視像を形成する機
能を少なくとも有するプロセスキットをカバーの開閉に
連動させて着脱可能に装備しているが、プロセスキット
を交換する際、装置内部を照明する設備は特に備えてい
ない。Conventionally, this type of image forming apparatus has a process kit that has at least the function of forming an electrostatic latent image on a rotating photoreceptor and developing the latent image to form a visible image, which is linked to the opening and closing of the cover. Although the equipment is removable, there is no special equipment to illuminate the inside of the equipment when replacing the process kit.
〔発明が解決しようとするＩＩＭ）
上述した従来の画像形成装置はプロセスキット交換の際
の照明がなかったので、オペレータがプロセスキットの
交換がしすらいという欠点があった。[IIM to be Solved by the Invention] The above-described conventional image forming apparatus had a drawback in that it was difficult for the operator to replace the process kit because there was no illumination when replacing the process kit.
本発明の目的は前記課題を解決した画像形成装置を提供
することにある。An object of the present invention is to provide an image forming apparatus that solves the above problems.
上記目的を達成するため、本発明に係る画像形成装置は
１回転する感光体に静電潜像を形成し、その潜像を現像
して可視像を形成する機能の一部を少なくとも有するプ
ロセスキットを、装置本体のカバーの開閉に連動させて
着脱可能に装備してなる画像形成装置において、前記カ
バーの開閉を検出する第１のセンサと、前記プロセスキ
ットの有無を検出する第２のセンサと、前記第１及び第
２のセンサからの出力に基づいて、感光体への光照射に
てその表面の電位を消失させる光照射手段或いは感光体
への光照射にてその表面に静電潜像を形成する像露光手
段への通電を制御し、該手段により装置内部を照明する
照明制御部とを有するものである。In order to achieve the above object, an image forming apparatus according to the present invention is a process having at least a part of the function of forming an electrostatic latent image on a photoreceptor that rotates once, and developing the latent image to form a visible image. An image forming apparatus in which a kit is removably installed in conjunction with the opening and closing of a cover of an apparatus main body, a first sensor that detects opening and closing of the cover, and a second sensor that detects the presence or absence of the process kit. Based on the outputs from the first and second sensors, a light irradiation means for eliminating the potential on the surface of the photoconductor by irradiating the photoconductor with light or an electrostatic latent on the surface of the photoconductor by irradiating the photoconductor with light. The apparatus includes an illumination control section that controls energization to an image exposure means that forms an image and illuminates the inside of the apparatus by the means.
以下、本発明の実施例を図により説明する。 Embodiments of the present invention will be described below with reference to the drawings.
（実施例１）
第１図、第２図は本発明の第１の実施例を示す断面図で
あり、第１図はカバーを開いた状態を示し、第２図はカ
バーを閉じた状態を示す。(Example 1) Figures 1 and 2 are sectional views showing a first embodiment of the present invention, with Figure 1 showing the cover in an open state and Figure 2 showing the cover in a closed state. show.
図において、装置本体Ｍにカバー１３を開閉可能に設け
る。該カバー１３に、感光体１への光照射にてその表面
の電位を消失させる光照明手段３と、感光体１への光照
射にてその表面に静電潜像を形成する像露光手段２と、
感光体１の表面に形成された静電潜像に現像剤６を付着
させてこれを可視像に現像する現像器５を設置する。一
方、プロセスキット９に感光体１を回転可能に支持する
とともに、感光体１の表面に電位を付与するＤＣコロナ
帯電手段４ａと、感光体１の表面に残留する余分な現像
剤を掻き落とすブレード１１と、掻き落とした現像剤を
収容する残留現像剤収納部８とを一体に組み込み、該プ
ロセスキット９をカバー１３の所定位置に着脱可能に装
備する。In the figure, a cover 13 is provided on the main body M of the apparatus so as to be openable and closable. The cover 13 is provided with a light illumination means 3 that eliminates the potential on the surface of the photoreceptor 1 by irradiating it with light, and an image exposure means 2 that forms an electrostatic latent image on the surface of the photoreceptor 1 by irradiating the photoreceptor 1 with light. and,
A developing device 5 is installed which applies a developer 6 to the electrostatic latent image formed on the surface of the photoreceptor 1 and develops it into a visible image. On the other hand, the process kit 9 rotatably supports the photoreceptor 1, and also includes a DC corona charging means 4a that applies a potential to the surface of the photoreceptor 1, and a blade that scrapes off excess developer remaining on the surface of the photoreceptor 1. 11 and a residual developer storage section 8 for storing the scraped-off developer are integrated, and the process kit 9 is removably installed in a predetermined position of the cover 13.
また、装置本体Ｍに、用紙上に転写された可視像を用紙
に定着させる定着器７と、用紙を感光体１の周面一部を
介して定着器７に案内する用紙ガイド１４と、感光体１
上の可視像を用紙上に転写するＤＣコロナ帯電手段４ｂ
を装備する。The apparatus main body M also includes a fixing device 7 that fixes the visible image transferred onto the paper onto the paper, and a paper guide 14 that guides the paper to the fixing device 7 via a part of the circumferential surface of the photoreceptor 1. Photoreceptor 1
DC corona charging means 4b for transferring the above visible image onto the paper
be equipped with.
また、装置本体Ｍにカバー１３の開閉を検出する第１の
センサ１２を設けるとともに、カバー１３に、プロセス
キット９の有無を検出する第２のセンサ１０を設け、さ
らに、第１及び第２のセンサ１０．１２からの出力に基
づいて、前記光照射手段３への通電を制御し、該手段３
により装置内部を照明する照明制御部１７を装備する。Further, the apparatus main body M is provided with a first sensor 12 that detects the opening and closing of the cover 13, and the cover 13 is provided with a second sensor 10 that detects the presence or absence of the process kit 9. Based on the output from the sensor 10.12, energization to the light irradiation means 3 is controlled;
The device is equipped with a lighting control section 17 that illuminates the inside of the device.
１５はフィードローラ、１６は排出ローラである。15 is a feed roller, and 16 is a discharge roller.
実施例において、プロセスキット９を装着してカバー１
３を閉じた状態で感光体１を矢印方向に回転させると、
光照射手段３による感光体１の電位消失、ＤＣコロナ帯
電手段４ａによる感光体１表面の帯電、像露光手段２に
よる感光体１表面への静電形成、現像器５による現像、
ＤＣコロナ帯電手段４ｂによる用紙への可視像の転写、
定着器７による用紙への転写、残留現像剤のブレード１
１による掻き落としの各プロセスが順次行われる。In the embodiment, the process kit 9 is installed and the cover 1 is
When photoreceptor 1 is rotated in the direction of the arrow with 3 closed,
Potential loss of the photoreceptor 1 by the light irradiation means 3, charging of the surface of the photoreceptor 1 by the DC corona charging means 4a, electrostatic formation on the surface of the photoreceptor 1 by the image exposure means 2, development by the developer 5,
Transfer of a visible image to paper by DC corona charging means 4b,
Transfer of residual developer to paper by fuser 7, blade 1 of residual developer
Each scraping process according to No. 1 is performed sequentially.
一方、第１図において、カバー１３を開くと、第１のセ
ンサ１０がこれを検出し、またカバー１３からプロセス
キット９を離脱させると、これを第２のセンサ１２が検
出し、これらの検出信号が照明制御部１７に入力すると
、照明制御部１７は光照射手段３を駆動して装置内部を
照明させる。光照射手段３の点灯により装置内部が照明
され、プロセスキット９の交換が容易になる。また、プ
ロセスキット９を装備せずに、カバー１３を閉扉すると
、光照射手段３は消灯する。On the other hand, in FIG. 1, when the cover 13 is opened, the first sensor 10 detects this, and when the process kit 9 is removed from the cover 13, the second sensor 12 detects this. When the signal is input to the lighting control section 17, the lighting control section 17 drives the light irradiation means 3 to illuminate the inside of the device. By lighting the light irradiation means 3, the inside of the apparatus is illuminated, and the process kit 9 can be easily replaced. Furthermore, when the cover 13 is closed without the process kit 9 being installed, the light irradiation means 3 is turned off.
尚、実施例では光照射手段３を点灯させたが、像露光手
段２を点灯させて装置内部を照明するようにしてもよい
。In the embodiment, the light irradiation means 3 is turned on, but the image exposure means 2 may be turned on to illuminate the inside of the apparatus.
（実施例２）
第３図、第４図は本発明の第２の実施例を示す断面図で
、第３図はカバーを開いた状態を示し、第４図はカバー
を閉じた状態を示す。(Embodiment 2) Figures 3 and 4 are cross-sectional views showing a second embodiment of the present invention, with Figure 3 showing the cover in an open state and Figure 4 showing the cover in a closed state. .
本実施例はプロセスキット９に、ＤＣコロナ帯電手段４
ａ、ブレード１１、残留現像剤収納部８、感光体１に加
えて現像器５を一体に組み込み、該プロセスキット９を
着脱可能に装備したものである。In this embodiment, the process kit 9 includes DC corona charging means 4.
a, a blade 11, a residual developer storage section 8, a photoreceptor 1, and a developing device 5 are integrated into one body, and the process kit 9 is removably installed.
その他の構成は実施例１と同じである。The other configurations are the same as in the first embodiment.
以上説明したように本発明はカバーを開け、プロセスキ
ットをはずした場合に既設の光照射手段、或いは像露光
手段を点灯させ、装置内部を照明するため、特別に部品
を追加することなく、プロセスキットの交換を容易に行
うことができる効果がある。As explained above, the present invention turns on the existing light irradiation means or image exposure means when the cover is opened and the process kit is removed to illuminate the inside of the apparatus. This has the effect of making it easier to replace the kit.
第１図、第２図は本発明の実施例１を示す断面図、第３
図、第４図は本発明の実施例２を示す断面図である。
１・・・感光体 ２・・・像露光手段３・・・
光照射手段 ４ａ、４ｂ・・・ＤＣコロナ帯電手段
５・・・現像器 ６・・・現像剤７・・・定着
器 ８・・・残留現像剤収納部９・・・プロセ
スキラ１−１０・・・第２のセンサ１１・・・ブレード
１２・・・第１のセンサ１３・・・カバー
１４・・・用紙ガイド１５・・・フィードローラ
１６・・・排出ローラ１７・・照明制御部1 and 2 are sectional views showing Embodiment 1 of the present invention, and 3
4 are sectional views showing a second embodiment of the present invention. 1... Photoreceptor 2... Image exposure means 3...
Light irradiation means 4a, 4b... DC corona charging means 5... Developing device 6... Developer 7... Fixing device 8... Residual developer storage section 9... Process killer 1-10. ...Second sensor 11...Blade 12...First sensor 13...Cover
14...Paper guide 15...Feed roller 16...Ejection roller 17...Lighting control unit
Claims (1)
現像して可視像を形成する機能の一部を少なくとも有す
るプロセスキットを、装置本体のカバーの開閉に連動さ
せて着脱可能に装備してなる画像形成装置において、前
記カバーの開閉を検出する第１のセンサと、前記プロセ
スキットの有無を検出する第２のセンサと、前記第１及
び第２のセンサからの出力に基づいて、感光体への光照
射にてその表面の電位を消失させる光照射手段或いは感
光体への光照射にてその表面に静電潜像を形成する像露
光手段への通電を制御し、該手段により装置内部を照明
する照明制御部とを有することを特徴とする画像形成装
置。(1) A process kit that has at least a part of the function of forming an electrostatic latent image on a rotating photoreceptor and developing the latent image to form a visible image is linked to the opening and closing of the cover of the device body. In an image forming apparatus detachably equipped, a first sensor detects opening/closing of the cover, a second sensor detects presence/absence of the process kit, and outputs from the first and second sensors. Based on this, energization is controlled to a light irradiation means that eliminates the potential on the surface of the photoreceptor by irradiating it with light, or to an image exposure means that forms an electrostatic latent image on the surface of the photoreceptor by irradiation of light to the photoreceptor. , and a lighting control section that illuminates the inside of the apparatus by the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63122712A JPH01292359A (en) | 1988-05-19 | 1988-05-19 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63122712A JPH01292359A (en) | 1988-05-19 | 1988-05-19 | Image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01292359A true JPH01292359A (en) | 1989-11-24 |
Family
ID=14842736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63122712A Pending JPH01292359A (en) | 1988-05-19 | 1988-05-19 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01292359A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923584B2 (en) * | 2001-10-26 | 2005-08-02 | Sony Corporation | Image forming apparatus |
-
1988
- 1988-05-19 JP JP63122712A patent/JPH01292359A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7524121B2 (en) | 2001-03-22 | 2009-04-28 | Sony Corporation | Image forming apparatus |
| US6923584B2 (en) * | 2001-10-26 | 2005-08-02 | Sony Corporation | Image forming apparatus |
| US7465110B2 (en) | 2001-10-26 | 2008-12-16 | Sony Corporation | Image forming apparatus |
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