JPH0290855U - - Google Patents
Info
- Publication number
- JPH0290855U JPH0290855U JP16968488U JP16968488U JPH0290855U JP H0290855 U JPH0290855 U JP H0290855U JP 16968488 U JP16968488 U JP 16968488U JP 16968488 U JP16968488 U JP 16968488U JP H0290855 U JPH0290855 U JP H0290855U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- carrier
- area
- regulating member
- developing device
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
Description
第１図および第２図は本考案の一実施例におけ
る１成分非磁性トナーを用いる現像装置を表わし
た縦断面説明図、第３図はトナー薄層化規制部材
の動作タイミングを表わしたタイミング図、第４
図は本考案の他の実施例における１成分非磁性ト
ナーを用いる現像装置を表わした縦断面説明図、
第５図はトナー薄層化規制部材と現像ローラー上
のトナー付着量との関係を表わした線図、第６図
はトナー薄層化規制部材の動作タイミングを表わ
したタイミング図である。
１……感光体ドラム、２……現像装置、４，２
４……現像ローラー、６……トナー層規制ドクタ
ーブレード、２６……トナー層規制ドクターロー
ラー。
1 and 2 are vertical cross-sectional explanatory diagrams showing a developing device using one-component non-magnetic toner in an embodiment of the present invention, and FIG. 3 is a timing diagram showing the operation timing of the toner thinning regulating member. , 4th
The figure is an explanatory longitudinal cross-sectional view showing a developing device using one-component non-magnetic toner in another embodiment of the present invention;
FIG. 5 is a diagram showing the relationship between the toner thinning regulating member and the amount of toner adhering to the developing roller, and FIG. 6 is a timing chart showing the operation timing of the toner thinning regulating member. 1... Photosensitive drum, 2... Developing device, 4, 2
4...Developing roller, 6...Toner layer regulating doctor blade, 26...Toner layer regulating doctor roller.
Claims (1)
非磁性トナーを、上記トナー担持体の表面上に接
触配置されるトナー薄層化規制部材により均一薄
層化した上で現像領域に搬入させ、潜像担持体の
表面上に形成されている静電潜像に供給して現像
を行なうようにした現像装置において、 上記トナー薄層化規制部材は、静電潜像の有効
画像領域に対応するように適正なトナー薄層を形
成して現像領域に送り出すトナー供給状態と、非
有効画像領域に対応するように現像剤担持体上の
トナーのほぼ全量を掻き落すトナー停止状態との
間で切り替え選択可能に設けられていることを特
徴とする現像装置。[Claims for Utility Model Registration] One-component non-magnetic toner held on the surface of a toner carrier is uniformly thinned by a toner thinning regulating member disposed in contact with the surface of the toner carrier. In the developing device, the toner thinning regulating member is configured to convey the electrostatic latent image formed on the surface of the latent image carrier into the developing area to perform development. A toner supply state in which an appropriate toner thin layer is formed to correspond to the effective image area of the image and sent to the development area, and almost the entire amount of toner on the developer carrier is scraped off to correspond to the ineffective image area. A developing device characterized in that it is provided so as to be switchable between a toner stop state and a toner stop state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16968488U JPH0290855U (en) | 1988-12-29 | 1988-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16968488U JPH0290855U (en) | 1988-12-29 | 1988-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290855U true JPH0290855U (en) | 1990-07-18 |
Family
ID=31459964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16968488U Pending JPH0290855U (en) | 1988-12-29 | 1988-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290855U (en) |
-
1988
- 1988-12-29 JP JP16968488U patent/JPH0290855U/ja active Pending