JPH0440250U - - Google Patents
Info
- Publication number
- JPH0440250U JPH0440250U JP8195190U JP8195190U JPH0440250U JP H0440250 U JPH0440250 U JP H0440250U JP 8195190 U JP8195190 U JP 8195190U JP 8195190 U JP8195190 U JP 8195190U JP H0440250 U JPH0440250 U JP H0440250U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- agitator
- developing
- chamber
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案に係る現像装置の一実施例を示
す全体説明図、第２図は検知用アジテータによる
トナーエンド検知フローチヤート、第３図は検知
用アジテータのトルク測定値の推移を示すグラフ
である。
１……感光体ドラム、２……現像装置、３……
現像室、５……現像ローラ、１０……トナーカー
トリツジ、１２……検知用アジテータ。
Fig. 1 is an overall explanatory diagram showing an embodiment of the developing device according to the present invention, Fig. 2 is a flowchart for detecting toner end using a detection agitator, and Fig. 3 is a graph showing changes in the torque measurement value of the detection agitator. It is. 1...Photosensitive drum, 2...Developing device, 3...
Developing chamber, 5...Developing roller, 10...Toner cartridge, 12...Detecting agitator.
Claims (1)
室に補給する交換可能な現像剤補給容器と、現像
室内に設けられ、感光体の表面に形成された静電
潜像に現像剤を供給する現像剤担持体とを有する
現像装置において、 前記現像室内の上部側に現像剤を現像剤補給容
器へ戻す方向に回転する検知用アジテータを設け
、該検知用アジテータの負荷を検出してトナーエ
ンドを検知することを特徴とする現像装置。[Claims for Utility Model Registration] An exchangeable developer replenishment container for storing a one-component non-magnetic developer and replenishing the developer into a developing chamber, and a container provided in the developing chamber and formed on the surface of a photoreceptor. In a developing device having a developer carrier that supplies developer to an electrostatic latent image, a detection agitator that rotates in a direction to return the developer to a developer replenishment container is provided at the upper side of the development chamber, A developing device characterized by detecting toner end by detecting the load on an agitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8195190U JPH0440250U (en) | 1990-08-01 | 1990-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8195190U JPH0440250U (en) | 1990-08-01 | 1990-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0440250U true JPH0440250U (en) | 1992-04-06 |
Family
ID=31628336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8195190U Pending JPH0440250U (en) | 1990-08-01 | 1990-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440250U (en) |
-
1990
- 1990-08-01 JP JP8195190U patent/JPH0440250U/ja active Pending
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