JPS63107452U - - Google Patents
Info
- Publication number
- JPS63107452U JPS63107452U JP20261686U JP20261686U JPS63107452U JP S63107452 U JPS63107452 U JP S63107452U JP 20261686 U JP20261686 U JP 20261686U JP 20261686 U JP20261686 U JP 20261686U JP S63107452 U JPS63107452 U JP S63107452U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- developing device
- hopper
- supply pipe
- toner hopper
- 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 3
Landscapes
- Dry Development In Electrophotography (AREA)
- Screw Conveyors (AREA)
Description
第1図は本考案の現像装置を示す一部破断面斜
視図であり、第2図は本考案の現像装置を示す断
面図であり、第3図は本考案の現像装置のサブト
ナーホツパー内部を示す断面図であり、第4図は
本考案の現像装置の各部の駆動タイミングを示す
タイミングチヤートであり、第5図は本考案の現
像装置における動作を示すフローチヤートである
。
符号の説明、1…現像器、2…トナー補給パイ
プ、3…トナー搬送スクリユー、4…トナーホツ
パー、5…サブトナーホツパー、7…センサ、9
9…現像装置。
FIG. 1 is a partially broken perspective view showing the developing device of the present invention, FIG. 2 is a sectional view showing the developing device of the present invention, and FIG. 3 is a sub-toner hopper of the developing device of the present invention. FIG. 4 is a timing chart showing the drive timing of each part of the developing device of the present invention, and FIG. 5 is a flow chart showing the operation of the developing device of the present invention. Explanation of symbols: 1...Developer, 2...Toner supply pipe, 3...Toner conveyance screw, 4...Toner hopper, 5...Sub-toner hopper, 7...Sensor, 9
9...Developing device.
Claims (1)
ーを設け、該トナーホツパーより前記現像器の長
手方向全長のわたりトナー補給パイプが延設され
、該トナー補給パイプ内に設けられたトナー搬送
手段により前記トナーホツパー内のトナーを前記
現像器内に供給する現像装置において、 前記現像器内部に設けられ、且つ前記トナー補
給パイプが配設されるサブトナーホツパーと、該
サブトナーホツパー内のトナー収納状態を検知す
る検知手段とを設け、該検知手段による検知信号
にもとずき前記トナーホツパーから前記サブトナ
ーホツパーへトナーを供給することを特徴とする
現像装置。[Claims for Utility Model Registration] A toner hopper is provided adjacent to one longitudinal end of the developer, a toner supply pipe extends from the toner hopper over the entire length of the developer in the longitudinal direction, and a toner supply pipe is provided within the toner supply pipe. A developing device that supplies toner in the toner hopper into the developing device by a toner conveying means, comprising: a sub-toner hopper provided inside the developing device and in which the toner replenishment pipe is disposed; 1. A developing device comprising: a detection means for detecting a state of toner storage in a developing device, and supplies toner from said toner hopper to said sub-toner hopper based on a detection signal from said detection means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20261686U JPS63107452U (en) | 1986-12-27 | 1986-12-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20261686U JPS63107452U (en) | 1986-12-27 | 1986-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63107452U true JPS63107452U (en) | 1988-07-11 |
Family
ID=31167169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20261686U Pending JPS63107452U (en) | 1986-12-27 | 1986-12-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63107452U (en) |
-
1986
- 1986-12-27 JP JP20261686U patent/JPS63107452U/ja active Pending
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