JPS61167669U - - Google Patents
Info
- Publication number
- JPS61167669U JPS61167669U JP5101385U JP5101385U JPS61167669U JP S61167669 U JPS61167669 U JP S61167669U JP 5101385 U JP5101385 U JP 5101385U JP 5101385 U JP5101385 U JP 5101385U JP S61167669 U JPS61167669 U JP S61167669U
- Authority
- JP
- Japan
- Prior art keywords
- predetermined portion
- potential
- toner
- developed
- electrostatic 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
- 238000005421 electrostatic potential Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本装置の実施例を複写機に適用した説
明図であり、第２図は従来例の説明図である。
１……濃度検知用パツチ、２……露光ランプ、
３……プラテン、４……第１ミラー、５……第２
ミラー、６……第３ミラー、７……レンズ、８…
…第４ミラー、９……感光ドラム、１０……帯電
器、１１……現像器、１２……光学濃度センサー
、１３……制御装置、１４……トナー供給装置、
１５……静電電位センサー、１６……高圧電源装
置、１７……シヤツター。
FIG. 1 is an explanatory diagram of an embodiment of the present apparatus applied to a copying machine, and FIG. 2 is an explanatory diagram of a conventional example. 1... Density detection patch, 2... Exposure lamp,
3...Platen, 4...First mirror, 5...Second
Mirror, 6... Third mirror, 7... Lens, 8...
... Fourth mirror, 9 ... Photosensitive drum, 10 ... Charger, 11 ... Developer, 12 ... Optical density sensor, 13 ... Control device, 14 ... Toner supply device,
15... Electrostatic potential sensor, 16... High voltage power supply, 17... Shutter.
Claims (1)
静電電位を検知する静電電位センサーと、該検知
した電位に応じて該所定部位を所望現像電位とす
るために現像器の現像ロールへ電圧を印加するた
めの電源装置と、該所定部位に現像されたトナー
濃度を検知する光学濃度センサーからなることを
特徴とする複写機の現像量検知装置。 An electrostatic potential sensor detects the electrostatic potential of a predetermined portion of the photoreceptor charged by the charging device, and a voltage is applied to the developing roll of the developing device in order to bring the predetermined portion to a desired development potential according to the detected potential. 1. A developed amount detection device for a copying machine, comprising: a power supply device for applying a toner; and an optical density sensor for detecting the density of toner developed at the predetermined portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5101385U JPS61167669U (en) | 1985-04-08 | 1985-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5101385U JPS61167669U (en) | 1985-04-08 | 1985-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61167669U true JPS61167669U (en) | 1986-10-17 |
Family
ID=30569681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5101385U Pending JPS61167669U (en) | 1985-04-08 | 1985-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61167669U (en) |
-
1985
- 1985-04-08 JP JP5101385U patent/JPS61167669U/ja active Pending
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