JPS62123672U

JPS62123672U -

Info

Publication number: JPS62123672U
Application number: JP976586U
Authority: JP
Priority date: 1986-01-27
Filing date: 1986-01-27
Publication date: 1987-08-06

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の正面図、第２図は
廃トナー容器、ホトインタラプタおよびスイツチ
の詳細を示す一部切欠斜視図、第３図は本考案に
係る液晶プリンタの概略構成図、第４図は画像形
成ユニツトを下部本体に装着する状態を示す斜視
図、第５図は画像形成ユニツトの概略構成図、第
６図は廃トナー容器内のトナーを検知する検知装
置の回路図である。２１…廃トナー容器、２２…置台、２３…側板
、２４…突出部、２５…突起部、２６…パイプ、
２６ａ…ジヨイント、２７…スイツチ、２７ａ…
スイツチ片、２８…ＭＰＵ、２９…表示部、３０
…ホトインタラプラ、３０ａ…発光ダイオード、
３０ｂ…フオトトランジスタ。 Fig. 1 is a front view of an embodiment of the present invention, Fig. 2 is a partially cutaway perspective view showing details of the waste toner container, photointerrupter, and switch, and Fig. 3 is a schematic configuration diagram of the liquid crystal printer according to the present invention. , FIG. 4 is a perspective view showing the state in which the image forming unit is attached to the lower main body, FIG. 5 is a schematic configuration diagram of the image forming unit, and FIG. 6 is a circuit diagram of a detection device that detects toner in the waste toner container. It is. DESCRIPTION OF SYMBOLS 21... Waste toner container, 22... Placing stand, 23... Side plate, 24... Protrusion part, 25... Protrusion part, 26... Pipe,
26a...joint, 27...switch, 27a...
Switch piece, 28...MPU, 29...Display section, 30
...Photointerrupter, 30a...Light emitting diode,
30b...Phototransistor.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

像担持体上の潜像をトナー現像する現像器と、
前記像担持体上に残留したトナーを除去するクリ
ーナと、該クリーナにより除去されたトナーを貯
留すると共に装置本体に着脱自在に構成された廃
トナー容器とを備えた画像形成装置において、前
記廃トナー容器に容器内部と連通した中空部を有
する透明の突出部を形成すると共に、装置本体に
は前記容器の装着を検知する第１スイツチ素子お
よび該第１スイツチ素子の出力によりオンする第
２スイツチ素子と、前記突出部の両側面にあつて
前記第２スイツチ素子に直列接続された発光素子
およびこの発光素子の光を受光する受光素子と、
該受光素子が非受光状態のときに画像形成動作を
禁止する制御部とを設けたことを特徴とする画像
形成装置。 a developing device that develops the latent image on the image carrier with toner;
In an image forming apparatus, the image forming apparatus includes a cleaner for removing toner remaining on the image carrier, and a waste toner container configured to store the toner removed by the cleaner and to be detachably attached to the apparatus main body. A transparent protrusion having a hollow part communicating with the inside of the container is formed on the container, and a first switch element that detects attachment of the container and a second switch element that is turned on by the output of the first switch element are provided on the main body of the apparatus. and a light-emitting element connected in series to the second switch element on both sides of the protrusion, and a light-receiving element that receives light from the light-emitting element;
An image forming apparatus comprising: a control unit that prohibits an image forming operation when the light receiving element is in a non-light receiving state.