JPH0367351U

JPH0367351U -

Info

Publication number: JPH0367351U
Application number: JP12945089U
Authority: JP
Priority date: 1989-11-06
Filing date: 1989-11-06
Publication date: 1991-07-01

Description

[Brief explanation of the drawing]

第１図は請求項１に記載のこの考案の一実施例
であるレーザプリンタにおける現像器まわりの概
略構成図、第２図は請求項２に記載のこの考案の
一実施例であるレーザプリンタにおける現像器ま
わりの概略構成図、第３図は請求項３に記載のこ
の考案の一実施例であるレーザプリンタにおける
現像器まわりの概略構成図である。第４図はそれ
ら現像器を備えるレーザプリンタで、その内部機
構全体の概略構成図である。第５図は、従来の現
像器まわりの概略構成図である。１８……現像器、３１……現像室、３２……ト
ナー供給室、３６……トナー、３９…………撹拌
部材、４１……制御手段、４３，４４……隔壁部
、４３ａ，４４ａ……トナー供給口。 FIG. 1 is a schematic diagram of a developing device and its surroundings in a laser printer which is an embodiment of the invention as claimed in claim 1, and FIG. FIG. 3 is a schematic diagram of the structure around the developing device in a laser printer which is an embodiment of the invention as set forth in claim 3. FIG. FIG. 4 is a schematic diagram of the entire internal mechanism of a laser printer equipped with these developing units. FIG. 5 is a schematic diagram of a conventional developing device. 18... Developing device, 31... Developing chamber, 32... Toner supply chamber, 36... Toner, 39... Stirring member, 41... Control means, 43, 44... Partition wall portion, 43a, 44a... ...Toner supply port.

Claims

[Scope of Claim for Utility Model Registration] 1. A developing device that rotates a stirring member in a toner supply chamber to supply toner to a developing chamber while agitating the toner, and a developing roller of the developing device attaches toner to a photoreceptor, and In an electrophotographic apparatus that visualizes an electrostatic latent image on the surface of a photoconductor, a detection member is provided in the development chamber to detect the presence or absence of a certain amount of toner in the development chamber, and based on a detection signal from the detection member, An electrophotographic apparatus further comprising: a control means for rotating the stirring member when there is not a certain amount of toner in the developing chamber, and stopping the rotation of the stirring member when there is a certain amount of toner in the developing chamber. 2. A developing device is provided that rotates a stirring member in a toner supply chamber to supply toner to a developing chamber while agitating the toner, and a developing roller of the developing device attaches toner to the surface of a photoreceptor, forming an electrostatic latent image on the photoreceptor. In an electrophotographic apparatus for visualizing images, the developing chamber is provided with a detecting member that detects whether or not there is a certain amount of toner in the developing chamber, and based on a detection signal from the detecting member, a certain amount of toner is in the developing chamber. A control means is provided for rotating the stirring member when there is no amount of toner, and stopping the rotation of the stirring member when there is a certain amount of toner in the developing chamber, and a partition is provided between the toner supply chamber and the developing chamber. An electrophotographic device comprising: a toner supply port provided in a part of the partition wall thereof; 3. A developing device is provided that supplies toner to a developing chamber while stirring the toner by rotating a stirring member in a toner supply chamber, and a developing roller of the developing device attaches toner to a photoconductor, forming an electrostatic latent image on the surface of the photoconductor. What is claimed is: 1. An electrophotographic apparatus for visualizing images, wherein a partition is provided between a toner supply chamber of the developing device and a developing chamber, and a toner supply port is provided in a part of the partition.