JPH0326145U - - Google Patents
Info
- Publication number
- JPH0326145U JPH0326145U JP8720789U JP8720789U JPH0326145U JP H0326145 U JPH0326145 U JP H0326145U JP 8720789 U JP8720789 U JP 8720789U JP 8720789 U JP8720789 U JP 8720789U JP H0326145 U JPH0326145 U JP H0326145U
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- exposure
- control data
- data
- storage means
- 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
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は本考案の基本的構成を示す図、第２図
は実施例に係る電子写真装置プロツタ部とプロツ
タ制御部のシステム回路図、第３図は放電電位に
対する感光体ベルトの帯電電位特性を示すグラフ
、第４図は露光量に体する感光体ベルトの帯電電
位特性を示すグラフ、第５図は実施例装置の放電
・露光制御動作を示すフローチヤート、第６図は
電子写真装置の概略的構成を示す図、第７図は複
写枚数に対する感光体ベルトの暗部帯電電位と明
部帯電電位の変化を示すグラフ、第８図は放電電
位に対する感光体ベルトの帯電電位特性を示すグ
ラフ、第９図は露光量に対する感光体ベルトの帯
電電位特性を示すグラフである。
１……感光体ベルト、２……放電部、３……露
光部、４……現像部、５……転写部、６……除電
部、７……カウント手段、８……記憶手段、９…
…放電制御手段、１０……露光制御手段、１１…
…データ読出し手段。
FIG. 1 is a diagram showing the basic configuration of the present invention, FIG. 2 is a system circuit diagram of the plotter section and plotter control section of the electrophotographic apparatus according to the embodiment, and FIG. 3 is the charging potential characteristics of the photoreceptor belt with respect to the discharge potential. FIG. 4 is a graph showing the charging potential characteristics of the photoreceptor belt depending on the exposure amount, FIG. 5 is a flowchart showing the discharge/exposure control operation of the embodiment apparatus, and FIG. FIG. 7 is a graph showing changes in the dark area charging potential and bright area charging potential of the photoreceptor belt with respect to the number of copies, and FIG. 8 is a graph showing the charging potential characteristics of the photoreceptor belt with respect to the discharge potential. FIG. 9 is a graph showing the charging potential characteristics of the photoreceptor belt with respect to the exposure amount. DESCRIPTION OF SYMBOLS 1... Photoreceptor belt, 2... Discharge section, 3... Exposure section, 4... Development section, 5... Transfer section, 6... Discharge section, 7... Counting means, 8... Memory means, 9 …
...discharge control means, 10...exposure control means, 11...
...Data reading means.
Claims (1)
電荷のプリチヤージ、画像性露光による静電潜像
の形成、トナー付着による現像、記録紙への画像
の転写、及び残留静電荷の除電を行う電子写真装
置において、 転写記録のトータル枚数をカウントするカウン
ト手段と、 トータル記録枚数データに対応させて、初期状
態における感光体ベルトに対する放電時及び露光
時の帯電電位特性を得るための放電電位制御デー
タと露光量制御データを記憶した記憶手段と、 カウント手段のカウントデータに基づいて、記
憶手段から放電電位制御データと露光量制御デー
タを読出し、それぞれ放電制御手段と露光制御手
段へ転送するデータ読出し手段と、 データ読出し手段から転送された放電電位制御
データに基づいて、放電部の放電電位を制御する
放電制御手段と、 データ読出し手段から転送された露光量制御デ
ータに基づいて、露光部の露光量を制御する露光
制御手段 とを具備したことを特徴とする電子写真装置に
おける放電・露光制御装置。[Claim for Utility Model Registration] During the rotation process of the photoreceptor belt, pre-charging of surface electrostatic charges due to discharge, formation of electrostatic latent image due to imagewise exposure, development due to toner adhesion, transfer of image to recording paper, and remaining. In an electrophotographic apparatus that eliminates static charges, a counting means for counting the total number of transfer records and charging potential characteristics during discharge and exposure to a photoreceptor belt in an initial state are obtained in correspondence with data on the total number of records. a storage means that stores discharge potential control data and exposure amount control data for the purpose of the present invention; and a storage means that reads out the discharge potential control data and the exposure amount control data from the storage means based on the count data of the counting means, and reads out the discharge potential control data and the exposure amount control data from the storage means, respectively. a discharge control means for controlling the discharge potential of the discharge section based on the discharge potential control data transferred from the data reading means; 1. A discharge/exposure control device for an electrophotographic apparatus, comprising: an exposure control means for controlling an exposure amount of an exposure section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8720789U JPH0326145U (en) | 1989-07-25 | 1989-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8720789U JPH0326145U (en) | 1989-07-25 | 1989-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0326145U true JPH0326145U (en) | 1991-03-18 |
Family
ID=31636857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8720789U Pending JPH0326145U (en) | 1989-07-25 | 1989-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326145U (en) |
-
1989
- 1989-07-25 JP JP8720789U patent/JPH0326145U/ja active Pending
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