JPS6319862U - - Google Patents
Info
- Publication number
- JPS6319862U JPS6319862U JP10835886U JP10835886U JPS6319862U JP S6319862 U JPS6319862 U JP S6319862U JP 10835886 U JP10835886 U JP 10835886U JP 10835886 U JP10835886 U JP 10835886U JP S6319862 U JPS6319862 U JP S6319862U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- developing
- section
- amount
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
図面第１図は、本考案よりなるトナー有無装置
をもつた現像装置の構成概要一例を示す図、第２
図は現像部、ホツパー部夫々のトナー量の変化と
、補給ローラの動作を関係的に示した図、第３図
および第４図は、夫々“トナー無し予告”信号の
他の用途例を説明するための図である。
１……現像スリーブ、２……第１の検知装置、
３……現像部トナー撹拌棒、４……補給ローラ、
５……第２の検知装置、６……ホツパー部撹拌棒
、７……現像部、８……ホツパー部、９……判別
回路、１０……表示装置。
Figure 1 of the drawings is a diagram showing an example of a general configuration of a developing device having a toner presence/absence device according to the present invention;
The figure shows the relationship between changes in the amount of toner in the developing section and hopper section, and the operation of the replenishment roller. Figures 3 and 4 respectively explain other usage examples of the "out of toner notice" signal. This is a diagram for 1...Developing sleeve, 2...First detection device,
3...Development section toner stirring rod, 4...Replenishment roller,
5... Second detection device, 6... Hopper section stirring bar, 7... Developing section, 8... Hopper section, 9... Discrimination circuit, 10... Display device.
Claims (1)
た現像スリーブをもつ現像部、この現像部に対し
て補給可能なトナーを貯留したホツパー部、該ホ
ツパー部内のトナーを必要に応じて前記現像部に
適宜供給する補給手段、前記現像部内のトナー残
量が所定の基準量より減少したことを検出する第
１の検知手段、該第１の検知手段からの信号に依
存して前記補給手段を駆動させるトナー補給制御
装置を備えた現像装置において、前記ホツパー部
内のトナー残量が所定の基準量より減少したこと
を検出する第２の検知手段と、前記第２の検知手
段からの信号入力に応じてトナー無し予告の信号
を出力する表示手段と、前記第１の検知手段およ
び前記第２の検知手段双方からの信号入力に応じ
てトナー無し信号を出力する表示手段とを設けた
ことを特徴とする現像装置のトナー有無検出装置
。 A developing section having a developing sleeve provided on the surface of the latent image carrier to be able to transport toner, a hopper section storing toner that can be replenished to the developing section, and a toner in the hopper section being transferred to the developing section as needed. a first detection means for detecting that the amount of toner remaining in the developing section has decreased from a predetermined reference amount, and the replenishment means is driven depending on a signal from the first detection means. The developing device includes a toner replenishment control device that controls the amount of toner, and a second detection device that detects that the amount of toner remaining in the hopper portion has decreased from a predetermined reference amount; and display means for outputting a toner out signal in response to signal input from both the first detection means and the second detection means. A device for detecting the presence or absence of toner in a developing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10835886U JPS6319862U (en) | 1986-07-15 | 1986-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10835886U JPS6319862U (en) | 1986-07-15 | 1986-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6319862U true JPS6319862U (en) | 1988-02-09 |
Family
ID=30985481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10835886U Pending JPS6319862U (en) | 1986-07-15 | 1986-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6319862U (en) |
-
1986
- 1986-07-15 JP JP10835886U patent/JPS6319862U/ja active Pending
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