JPS55130565A - Toner concentration control unit - Google Patents
Toner concentration control unitInfo
- Publication number
- JPS55130565A JPS55130565A JP3851179A JP3851179A JPS55130565A JP S55130565 A JPS55130565 A JP S55130565A JP 3851179 A JP3851179 A JP 3851179A JP 3851179 A JP3851179 A JP 3851179A JP S55130565 A JPS55130565 A JP S55130565A
- Authority
- JP
- Japan
- Prior art keywords
- visualized
- patterns
- line
- control unit
- photoreceptor
- 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
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
PURPOSE:To obtain the control unit of high responsiveness for all the images including line images by making the size of the image patterns for decision of developing capacity to the one of the extent at which the disturbances in concentration distribution do not occur owing to edge effect when said paterns are visualized. CONSTITUTION:The solid image and line image patterns of different reflection characteristics of the size of the extent at which the disturbance in concentration distribution do not occur on account of edge effect when they are visualized at the maximum width w of 10mm or less are provided on the contact glass 12 to be placed with the original in the regions other than its original region 2, and the latent image patterns for decision of developing capacity are formed on the photoreceptor in the regions other than its electrostatic latent image forming region. These patterns are visualized through development and are radiated with the light of the wavelength region insensitive to the photoreceptor. The intensities of the reflected light are then detected with photo cells or the like and the toner concentrations may be so controlled as to become always constant with high responsibility for all the images including the line development controlling the toner concentrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3851179A JPS55130565A (en) | 1979-03-31 | 1979-03-31 | Toner concentration control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3851179A JPS55130565A (en) | 1979-03-31 | 1979-03-31 | Toner concentration control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55130565A true JPS55130565A (en) | 1980-10-09 |
Family
ID=12527285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3851179A Pending JPS55130565A (en) | 1979-03-31 | 1979-03-31 | Toner concentration control unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55130565A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159468A (en) * | 1979-05-31 | 1980-12-11 | Konishiroku Photo Ind Co Ltd | Toner concentration control method of developer in electrophotographic type recorder |
| JPS5814845A (en) * | 1981-07-20 | 1983-01-27 | Canon Inc | Detection of potential |
| JPH03503575A (en) * | 1988-03-04 | 1991-08-08 | オーセ プリンテイング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Electrophotographic printing device with regulated electrophotographic process |
| EP1679554A2 (en) * | 2005-01-06 | 2006-07-12 | Seiko Epson Corporation | Image forming apparatus |
| JP2015108772A (en) * | 2013-12-05 | 2015-06-11 | 京セラドキュメントソリューションズ株式会社 | Image forming apparatus |
| JP2021107787A (en) * | 2019-12-27 | 2021-07-29 | 株式会社堀場製作所 | Reference plate, member for calibration, glossmeter, and method for manufacturing reference plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554403B2 (en) * | 1973-08-06 | 1980-01-30 |
-
1979
- 1979-03-31 JP JP3851179A patent/JPS55130565A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554403B2 (en) * | 1973-08-06 | 1980-01-30 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159468A (en) * | 1979-05-31 | 1980-12-11 | Konishiroku Photo Ind Co Ltd | Toner concentration control method of developer in electrophotographic type recorder |
| JPS638465B2 (en) * | 1979-05-31 | 1988-02-23 | Konika Kk | |
| JPS5814845A (en) * | 1981-07-20 | 1983-01-27 | Canon Inc | Detection of potential |
| JPH0563791B2 (en) * | 1981-07-20 | 1993-09-13 | Canon Kk | |
| JPH03503575A (en) * | 1988-03-04 | 1991-08-08 | オーセ プリンテイング システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Electrophotographic printing device with regulated electrophotographic process |
| EP1679554A2 (en) * | 2005-01-06 | 2006-07-12 | Seiko Epson Corporation | Image forming apparatus |
| EP1679554A3 (en) * | 2005-01-06 | 2006-09-27 | Seiko Epson Corporation | Image forming apparatus |
| US7417651B2 (en) | 2005-01-06 | 2008-08-26 | Seiko Epson Corporation | Image forming apparatus |
| JP2015108772A (en) * | 2013-12-05 | 2015-06-11 | 京セラドキュメントソリューションズ株式会社 | Image forming apparatus |
| JP2021107787A (en) * | 2019-12-27 | 2021-07-29 | 株式会社堀場製作所 | Reference plate, member for calibration, glossmeter, and method for manufacturing reference plate |
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