JPS6445856U - - Google Patents
Info
- Publication number
- JPS6445856U JPS6445856U JP14053987U JP14053987U JPS6445856U JP S6445856 U JPS6445856 U JP S6445856U JP 14053987 U JP14053987 U JP 14053987U JP 14053987 U JP14053987 U JP 14053987U JP S6445856 U JPS6445856 U JP S6445856U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- power
- outputting
- driven
- forming apparatus
- 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
- 108091008695 photoreceptors Proteins 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Developing For Electrophotography (AREA)
Description
第１図はこの考案の構成を示すブロツク図、第
２図はこの考案の一実施例を示す構成図、第３図
は第２図に示す実施例の制御回路の主要部を示す
ブロツク図、第４図は第３図の主動作を示すタイ
ムチヤート、第５図は現像装置のバイアス電圧に
対する画像濃度を示すグラフである。
１７……マイクロコンピユータ、１８……キー
ボード、１９……直流電源、１０Ｃ……現像ロー
ラ、２１……モータ、２０……ドライバ、９……
感光体ドラム、１０……現像装置。
Fig. 1 is a block diagram showing the configuration of this invention, Fig. 2 is a block diagram showing an embodiment of this invention, Fig. 3 is a block diagram showing the main part of the control circuit of the embodiment shown in Fig. 2, FIG. 4 is a time chart showing the main operation of FIG. 3, and FIG. 5 is a graph showing image density versus bias voltage of the developing device. 17...Microcomputer, 18...Keyboard, 19...DC power supply, 10C...Developing roller, 21...Motor, 20...Driver, 9...
Photosensitive drum, 10...Developing device.
Claims (1)
像を二成分系現像剤を含む現像装置によつて現像
するよう構成した画像形成装置において、 感光体を駆動させる駆動手段と、現像ローラに
バイアス電圧を印加する直流電源と、前記直流電
源を出力させる起動信号を受け所定時間後に前記
駆動手段に出力して前記感光体を駆動させる遅延
手段を備え、前記感光体の駆動時に、まず前記直
流電源を出力させ、その所定時間後に感光体を駆
動させることを特徴とする画像形成装置。[Scope of Claim for Utility Model Registration] In an image forming apparatus configured to develop an electrostatic latent image formed on a photoreceptor by irradiation of image light with a developing device containing a two-component developer, the photoreceptor is driven. a DC power supply for applying a bias voltage to the developing roller; and a delay means for receiving a start signal for outputting the DC power and outputting it to the driving means after a predetermined time to drive the photoreceptor; An image forming apparatus characterized in that when driving the body, first the DC power is outputted, and after a predetermined period of time, the photoconductor is driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14053987U JPS6445856U (en) | 1987-09-14 | 1987-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14053987U JPS6445856U (en) | 1987-09-14 | 1987-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445856U true JPS6445856U (en) | 1989-03-20 |
Family
ID=31404802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14053987U Pending JPS6445856U (en) | 1987-09-14 | 1987-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445856U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62148983A (en) * | 1985-12-23 | 1987-07-02 | Matsushita Electric Ind Co Ltd | Copying device |
-
1987
- 1987-09-14 JP JP14053987U patent/JPS6445856U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62148983A (en) * | 1985-12-23 | 1987-07-02 | Matsushita Electric Ind Co Ltd | Copying device |
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