JPS6225960U - - Google Patents
Info
- Publication number
- JPS6225960U JPS6225960U JP11619985U JP11619985U JPS6225960U JP S6225960 U JPS6225960 U JP S6225960U JP 11619985 U JP11619985 U JP 11619985U JP 11619985 U JP11619985 U JP 11619985U JP S6225960 U JPS6225960 U JP S6225960U
- Authority
- JP
- Japan
- Prior art keywords
- potential area
- detector
- density
- development
- potential
- 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
- 206010034972 Photosensitivity reaction Diseases 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 230000036211 photosensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Developing For Electrophotography (AREA)
Description
図は本考案の一実施例を示すブロツク図である
。
１……感光ドラム、３……帯電器、４……露光
器、５Ｃ，５Ｙ，５Ｍ……現像器、６……転写紙
巻付きドラム、７……クリーナ、８……原稿載置
台、９……原稿走査光学系、１０……原稿照明ラ
ンプ、１５……色分解フイルタ装置、１７……現
像制御回路、１８……制御用露光光源、１９……
シヤツタ、２０Ａ，２０Ｂ……電位検出器、２１
……濃度検出器、２２……現像電源。
The figure is a block diagram showing one embodiment of the present invention. 1... Photosensitive drum, 3... Charger, 4... Exposure device, 5C, 5Y, 5M... Developer, 6... Drum with transfer paper wrap, 7... Cleaner, 8... Document placement table, 9... ...Original scanning optical system, 10...Original illumination lamp, 15...Color separation filter device, 17...Development control circuit, 18...Control exposure light source, 19...
Shutter, 20A, 20B...Potential detector, 21
...Concentration detector, 22...Development power supply.
Claims (1)
前記感光体を光像で露光して静電潜像を形成する
露光器と、前記静電潜像をトナーによつて現像す
る現像器と、現像された像を記録紙に転写する転
写器とを備えた複写器において、 前記感光体を露光して明電位部と暗電位部を形
成する制御用露光器と、前記感光体の表面に配置
され、前記明電位部と暗電位部の電位を検出する
電位検出器と、前記明電位部と暗電位部の現像濃
度を検出する濃度検出器と、前記電位検出器およ
び濃度検出器によつてそれぞれ検出された明電位
部と暗電位部の電位および現像濃度に応じて前記
現像器に与える現像電圧を所定の時期に補正する
現像制御回路とを備えて成る複写機の画質調整装
置。[Scope of claim for utility model registration] A charger that charges a photoreceptor to impart photosensitivity;
an exposure device that exposes the photoconductor with a light image to form an electrostatic latent image; a developer that develops the electrostatic latent image with toner; and a transfer device that transfers the developed image to recording paper. a control exposure device that exposes the photoconductor to form a bright potential area and a dark potential area; a potential detector for detecting, a density detector for detecting the developed density of the bright potential area and the dark potential area, and potentials of the bright potential area and the dark potential area detected by the potential detector and the density detector, respectively. and a development control circuit that corrects the development voltage applied to the developer at a predetermined time according to the development density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11619985U JPS6225960U (en) | 1985-07-29 | 1985-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11619985U JPS6225960U (en) | 1985-07-29 | 1985-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6225960U true JPS6225960U (en) | 1987-02-17 |
Family
ID=31000565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11619985U Pending JPS6225960U (en) | 1985-07-29 | 1985-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6225960U (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50125738A (en) * | 1974-03-20 | 1975-10-03 | ||
| JPS5672467A (en) * | 1979-11-19 | 1981-06-16 | Ricoh Co Ltd | Development bias control method |
| JPS56156842A (en) * | 1980-04-07 | 1981-12-03 | Xerox Corp | Method and device for controlling closed loop of copying machine |
| JPS5711826A (en) * | 1980-05-30 | 1982-01-21 | Nl Industries Inc | Extraction of titanium valuable matter from titanium iron-carried material |
| JPS58139158A (en) * | 1982-02-12 | 1983-08-18 | Ricoh Co Ltd | Record density control method |
| JPS59126552A (en) * | 1983-01-08 | 1984-07-21 | Fuji Xerox Co Ltd | Device for correcting reproducibility of color tone in color electrophotographic copying machine |
| JPS59224872A (en) * | 1983-05-25 | 1984-12-17 | Fujitsu Ltd | Setting system for developing bias |
| JPS6052868A (en) * | 1983-09-02 | 1985-03-26 | Canon Inc | Image forming device |
-
1985
- 1985-07-29 JP JP11619985U patent/JPS6225960U/ja active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50125738A (en) * | 1974-03-20 | 1975-10-03 | ||
| JPS5672467A (en) * | 1979-11-19 | 1981-06-16 | Ricoh Co Ltd | Development bias control method |
| JPS56156842A (en) * | 1980-04-07 | 1981-12-03 | Xerox Corp | Method and device for controlling closed loop of copying machine |
| JPS5711826A (en) * | 1980-05-30 | 1982-01-21 | Nl Industries Inc | Extraction of titanium valuable matter from titanium iron-carried material |
| JPS58139158A (en) * | 1982-02-12 | 1983-08-18 | Ricoh Co Ltd | Record density control method |
| JPS59126552A (en) * | 1983-01-08 | 1984-07-21 | Fuji Xerox Co Ltd | Device for correcting reproducibility of color tone in color electrophotographic copying machine |
| JPS59224872A (en) * | 1983-05-25 | 1984-12-17 | Fujitsu Ltd | Setting system for developing bias |
| JPS6052868A (en) * | 1983-09-02 | 1985-03-26 | Canon Inc | Image forming device |
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