JPH02282777A - Toner detecting mechanism - Google Patents
Toner detecting mechanismInfo
- Publication number
- JPH02282777A JPH02282777A JP10498489A JP10498489A JPH02282777A JP H02282777 A JPH02282777 A JP H02282777A JP 10498489 A JP10498489 A JP 10498489A JP 10498489 A JP10498489 A JP 10498489A JP H02282777 A JPH02282777 A JP H02282777A
- Authority
- JP
- Japan
- Prior art keywords
- waste toner
- container
- impeller
- toner
- state
- 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
- 239000002699 waste material Substances 0.000 claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract 4
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は電子写真印刷装置の感光ドラム上に残った残留
トナー（廃トナー）を回収する廃トナー回収容器の回収
トナー量の検知方式に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for detecting the amount of toner collected in a waste toner collection container that collects residual toner (waste toner) remaining on a photosensitive drum of an electrophotographic printing device.
従来、この種のトナー検知機構には、廃トナー回収容器
内のトナーの量により変化する重量な検知する重量検知
方式、または廃トナー回収容器内或は廃トナー回収容器
外に光に依って検知を行う光検知方式がある。Conventionally, this type of toner detection mechanism has a weight detection method that detects the weight that changes depending on the amount of toner in the waste toner collection container, or a method that detects the amount of toner inside or outside the waste toner collection container using light. There is a light detection method that does this.
上述した従来の重量検知方式は、廃トナーを回収した廃
トナー回収容器の重量変化が微妙なため、その変化を検
知するには大型装置を要し、コストも上がってしまうと
いう欠点がある。The above-mentioned conventional weight detection method has the disadvantage that since the weight of the waste toner collection container in which waste toner is collected is slightly changed, a large-sized device is required to detect the change, which increases the cost.
また、上述した従来の光検知方式は、クリーニング部か
ら、廃トナー回収容器に粉体トナーが煙状になって送ら
れることにより、受光面及び発光面がトナーの付着によ
る汚れで、誤検出してしまうという欠点がある。In addition, in the conventional optical detection method described above, powder toner is sent from the cleaning section to the waste toner collection container in the form of smoke, and the light-receiving and light-emitting surfaces are dirty due to toner adhesion, resulting in false detection. It has the disadvantage of being
本発明の目的は前記課題を解決したトナー検知機構を提
供することにある。An object of the present invention is to provide a toner detection mechanism that solves the above problems.
前記目的を達成するため、本発明に係るトナー検知機構
は電子写真方式印刷装置の感光ドラム上に残る残留トナ
ー（廃トナー）を回収する廃トナー回収容器において、
廃トナー回収容器内に外部駆動源により常時回転される
羽根車と、該羽根車の回転に件なって容器内の廃トナー
を介して伝達される力によって変位する変位部材と、該
変位部材の変位状態を検出する手段とを有するものであ
る。In order to achieve the above object, the toner detection mechanism according to the present invention includes a waste toner collection container that collects residual toner (waste toner) remaining on the photosensitive drum of an electrophotographic printing device.
an impeller that is constantly rotated by an external drive source in a waste toner collection container; a displacement member that is displaced by a force transmitted through the waste toner in the container due to the rotation of the impeller; and means for detecting the displacement state.
次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例を示す縦断面図、第２図、第
３図は同横断面図である。FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the present invention, and FIGS. 2 and 3 are cross-sectional views thereof.
図において、感光ドラム１はその周面上の残留トナー（
廃トナー）８をクリーニング部２により感光ドラム上よ
り払い取られ、廃トナー回収容器３に回収される。その
廃トナー回収容器３には、廃トナー回収容器内に外部駆
動源５により常時回転する羽根車４が回転しており、該
羽根車４と対抗する位置に廃トナー回収容器３内から力
が加わると状態が変化し廃トナー回収容器外からも状態
の変化が判る変位部材６が設置されており、廃トナー回
収容器３に廃トナー８が満タンに入っていないとき（第
２図参照）には、駆動源５により回転する羽根車４から
の力が容器３内の廃トナー８を介して変位部材６に伝わ
らず、満タンに入ったとき（第３図）には駆動源５によ
り回転する羽根車４の回転力Ａが満タン状態の廃トナー
８を介して矢印Ｂのように伝わり、この力により変位部
材６の状態が変化し、この状態変化をセンサ７により検
知する。In the figure, a photosensitive drum 1 has residual toner (
The waste toner) 8 is removed from the photosensitive drum by the cleaning section 2 and collected in the waste toner collection container 3. In the waste toner collection container 3, an impeller 4 that is constantly rotated by an external drive source 5 is rotated inside the waste toner collection container 3, and a force is applied from inside the waste toner collection container 3 to a position opposing the impeller 4. A displacement member 6 is installed that changes the state when the waste toner collection container 3 is filled with waste toner 8, and the change in state can be seen from outside the waste toner collection container. In this case, the force from the impeller 4 rotated by the drive source 5 is not transmitted to the displacement member 6 via the waste toner 8 in the container 3, and when the container is full (Fig. 3), the force from the impeller 4 is not transmitted to the displacement member 6 by the drive source 5. The rotational force A of the rotating impeller 4 is transmitted as shown by arrow B through the waste toner 8 in the full state, and the state of the displacement member 6 changes due to this force, and this state change is detected by the sensor 7.
以上説明したように本発明は感光ドラム上に残る残留ト
ナー（廃トナー）を回収する廃トナー回収容器において
、廃トナー回収容器内に外部からの駆動により常時回転
する羽根車と、この羽根車と対抗する位置に廃トナー回
収容器内から力が加わると状態が変化し廃トナー回収容
器外からも状態の変化が判る変位部材と、その変位部材
の状態変化を検出する手段を持つことにより、簡単に、
かつ、安価で確実なトナー満タン検知ができる効果があ
る。As explained above, the present invention provides a waste toner collection container that collects residual toner (waste toner) remaining on a photosensitive drum, and includes an impeller that is constantly rotated by an external drive inside the waste toner collection container, and an impeller that is constantly rotated by an external drive. By having a displacement member whose state changes when a force is applied from inside the waste toner collection container to an opposing position and whose state change can be seen from outside the waste toner collection container, and a means for detecting the state change of the displacement member, it is easy to use. To,
In addition, there is an effect that the toner full state can be detected inexpensively and reliably.
第１図は本発明の一実施例を示す縦断面図、第２図、第
３図は同横断面図である。
１・・・感光ドラム ２・・・クリーニング部３
・・・廃トナー回収容器 ４・・・羽根車５・・・外部
駆動源 ６・・・変位部材７・・・センサ
８・・・残留トナー（廃トナー）
特許出願人 日本電気株式会社
ヅ
第１図
第２図FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the present invention, and FIGS. 2 and 3 are cross-sectional views thereof. 1... Photosensitive drum 2... Cleaning section 3
... Waste toner collection container 4 ... Impeller 5 ... External drive source 6 ... Displacement member 7 ... Sensor 8 ... Residual toner (waste toner) Patent applicant: NEC Corporation Zudai Figure 1 Figure 2
Claims (1)
トナー（廃トナー）を回収する廃トナー回収容器におい
て、廃トナー回収容器内に外部駆動源により常時回転さ
れる羽根車と、該羽根車の回転に伴なって容器内の廃ト
ナーを介して伝達される力によって変位する変位部材と
、該変位部材の変位状態を検出する手段とを有すること
を特徴とするトナー検知機構。(1) In a waste toner collection container that collects residual toner (waste toner) remaining on the photosensitive drum of an electrophotographic printing device, an impeller that is constantly rotated by an external drive source is provided in the waste toner collection container, and the impeller is provided with an impeller that is constantly rotated by an external drive source. A toner detection mechanism comprising: a displacement member that is displaced by a force transmitted through waste toner in a container as the toner rotates; and means for detecting the displacement state of the displacement member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10498489A JPH02282777A (en) | 1989-04-25 | 1989-04-25 | Toner detecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10498489A JPH02282777A (en) | 1989-04-25 | 1989-04-25 | Toner detecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02282777A true JPH02282777A (en) | 1990-11-20 |
Family
ID=14395358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10498489A Pending JPH02282777A (en) | 1989-04-25 | 1989-04-25 | Toner detecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02282777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7107002B2 (en) * | 2002-08-12 | 2006-09-12 | Oki Data Corporation | Toner collection apparatus |
-
1989
- 1989-04-25 JP JP10498489A patent/JPH02282777A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7107002B2 (en) * | 2002-08-12 | 2006-09-12 | Oki Data Corporation | Toner collection apparatus |
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