JPH0159249U

JPH0159249U -

Info

Publication number: JPH0159249U
Application number: JP15412287U
Authority: JP
Priority date: 1987-10-09
Filing date: 1987-10-09
Publication date: 1989-04-13

Description

[Brief explanation of the drawing]

第１図は本考案をフルカラー複写機に適用して
構成されるトナー回収装置の部分断面構成図、第
２図は本考案をスイツチカラー複写機に適用して
構成されるトナー回収装置の部分断面構成図、第
３図は第２図に示される実施例の変形例を示すバ
ルブ室の断面構成図、第４図は第２図に示される
実施例の他の変形例を示すバルブ室の構成図、第
５図は第１図乃至第４図に示される実施例におい
て使用することのできるフイルタ装置の断面構成
図、第６図はフルカラー複写機における従来のト
ナー回収装置の概略構成図、第７図はスイツチカ
ラー複写機における従来のトナー回収装置の概略
構成図、第８図は現像剤の帯電特性の差を説明す
るための図である。２，３……感光体ドラム、４，６，８，４２，
４４……現像装置、１６，１８，２０，５０，５
２……トナー吸引孔、２８……気密室、３８……
フイルタ装置、４０……ブロア、５８……バルブ
室、６４，７２，８４……バルブ、７６，９０…
…ソレノイド。 Figure 1 is a partial cross-sectional configuration diagram of a toner collection device constructed by applying the present invention to a full-color copying machine, and Figure 2 is a partial cross-section diagram of a toner collection device constructed by applying the present invention to a switch color copying machine. 3 is a cross-sectional configuration diagram of a valve chamber showing a modification of the embodiment shown in FIG. 2, and FIG. 4 is a configuration of a valve chamber showing another modification of the embodiment shown in FIG. 2. 5 is a cross-sectional configuration diagram of a filter device that can be used in the embodiment shown in FIGS. 1 to 4. FIG. 6 is a schematic configuration diagram of a conventional toner recovery device in a full-color copying machine. FIG. 7 is a schematic diagram of a conventional toner recovery device in a switch color copying machine, and FIG. 8 is a diagram for explaining the difference in charging characteristics of the developer. 2, 3...photosensitive drum, 4, 6, 8, 42,
44...Developing device, 16, 18, 20, 50, 5
2...Toner suction hole, 28...Airtight chamber, 38...
Filter device, 40... Blower, 58... Valve chamber, 64, 72, 84... Valve, 76, 90...
…solenoid.

Claims

[Scope of Claim for Utility Model Registration] A multicolor toner collection device for a multicolor copying machine or the like in which a plurality of developing devices are arranged facing each other on a photoreceptor, characterized in that the suction air volume is varied depending on the developing device. Copy machine toner collection device.