JPH0285452U - - Google Patents
Info
- Publication number
- JPH0285452U JPH0285452U JP16502988U JP16502988U JPH0285452U JP H0285452 U JPH0285452 U JP H0285452U JP 16502988 U JP16502988 U JP 16502988U JP 16502988 U JP16502988 U JP 16502988U JP H0285452 U JPH0285452 U JP H0285452U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- storage tank
- developing roller
- roller
- supply roller
- 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 3
- 238000001514 detection method Methods 0.000 claims 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例を示す現像装置の要
部概略斜視図、第２図は同実施例の要部概略側断
面図、第３図は同実施例の要部概略斜視図、第４
図は同実施例の要部概略側断面図、第５図は従来
例の要部概略側断面図である。
１……トナー、２……トナー収容槽、４……供
給ローラ、５……現像ローラ、６……静電潜像担
持体、７……規制部材、１２……レバー、１４…
…シヤフト、１５……アクチユエータ、１６……
センサ。
FIG. 1 is a schematic perspective view of the main parts of a developing device showing an embodiment of the present invention, FIG. 2 is a schematic side sectional view of the main parts of the same embodiment, and FIG. 3 is a schematic perspective view of the main parts of the same embodiment. Fourth
The figure is a schematic side sectional view of the main part of the same embodiment, and FIG. 5 is a schematic side sectional view of the main part of the conventional example. DESCRIPTION OF SYMBOLS 1... Toner, 2... Toner storage tank, 4... Supply roller, 5... Development roller, 6... Electrostatic latent image carrier, 7... Regulating member, 12... Lever, 14...
...Shaft, 15... Actuator, 16...
sensor.
Claims (1)
収容槽と、 このトナー収容槽内には前記トナーを供給する
ための供給ローラと、この供給ローラと対向する
現像ローラと、さらにこの現像ローラ周面に圧接
して前記供給ローラから供給されてきたトナーを
均一の厚さで現像ローラ表面に付着させる規制部
材とを備え、 前記現像ローラにより搬送されてきたトナーを
静電潜像担持体の静電潜像に付着させて可視像に
現像する現像装置のトナー検出機構において、 前記トナー収容槽内にトナーの流動によつて回
動するレバーを設け、 このレバーの回動と連動するアクチユエータを
トナー収容槽外部に設け、 このアクチユエータの回動を検出することでト
ナー収容槽内のトナーの有無を検知するセンサを
設けたことを特徴とする現像装置のトナー検出機
構。[Claims for Utility Model Registration] A toner container containing non-magnetic monocomponent toner, a supply roller for supplying the toner within the toner container, and a developing roller facing the supply roller. and a regulating member that is in pressure contact with the circumferential surface of the developing roller so that the toner supplied from the supply roller adheres to the surface of the developing roller in a uniform thickness, and the regulating member statically controls the toner conveyed by the developing roller. In a toner detection mechanism of a developing device that adheres to an electrostatic latent image on an electrostatic latent image carrier and develops it into a visible image, a lever that rotates according to the flow of toner is provided in the toner storage tank; A toner detection mechanism for a developing device, characterized in that an actuator that interlocks with rotation is provided outside the toner storage tank, and a sensor is provided that detects the presence or absence of toner in the toner storage tank by detecting the rotation of the actuator. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16502988U JPH0285452U (en) | 1988-12-22 | 1988-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16502988U JPH0285452U (en) | 1988-12-22 | 1988-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285452U true JPH0285452U (en) | 1990-07-04 |
Family
ID=31451146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16502988U Pending JPH0285452U (en) | 1988-12-22 | 1988-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8843005B2 (en) | 2011-11-30 | 2014-09-23 | Ricoh Company, Ltd. | Developing device, process unit, and image forming apparatus |
-
1988
- 1988-12-22 JP JP16502988U patent/JPH0285452U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8843005B2 (en) | 2011-11-30 | 2014-09-23 | Ricoh Company, Ltd. | Developing device, process unit, and image forming apparatus |
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