JPH0241266U - - Google Patents
Info
- Publication number
- JPH0241266U JPH0241266U JP11991888U JP11991888U JPH0241266U JP H0241266 U JPH0241266 U JP H0241266U JP 11991888 U JP11991888 U JP 11991888U JP 11991888 U JP11991888 U JP 11991888U JP H0241266 U JPH0241266 U JP H0241266U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- developing device
- toner end
- detecting
- detection
- 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 5
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の実施例の現像装置のトナー補
充手段としてのトナーカートリツジの一部を截断
して示す斜視図、第２図はそのトナーカートリツ
ジを現像装置のトナーホツパ内に装着したことを
検知する検知手段及びその作動手段を示す断面図
、第３図及び第４図はトナー補充手段として円筒
状トナーカートリツジを利用する現像装置の一例
の斜視図及び断面図である。
１……現像ユニツト、２……トナー補給ユニツ
ト、１１……トナーカートリツジ（トナー補給手
段）、１２……凸部、１３……トナーホツパ、１
４……検知レバー、１５……スプリング、１７…
…センサ。
FIG. 1 is a partially cutaway perspective view of a toner cartridge serving as toner replenishment means of a developing device according to an embodiment of the present invention, and FIG. 2 shows the toner cartridge installed in the toner hopper of the developing device. 3 and 4 are a perspective view and a sectional view of an example of a developing device that uses a cylindrical toner cartridge as a toner replenishing means. DESCRIPTION OF SYMBOLS 1...Development unit, 2...Toner supply unit, 11...Toner cartridge (toner supply means), 12...Protrusion, 13...Toner hopper, 1
4...Detection lever, 15...Spring, 17...
...Sensor.
Claims (1)
するトナーエンド検知手段と、その検知信号を受
けてトナーエンド状態を記憶し複写動作を禁止す
るとともにトナーエンド表示を行なわせるトナー
エンド記憶手段とを有し、上記トナー補給部への
トナー補充を装置本体のケーシングのドアを開い
て行なう電子写真装置の現像装置において、上記
のドアの開放を検知する手段と、トナー補充を行
なつたことを検知する手段とを設け、これら両検
知手段の検知信号によつて、上記トナーエンド検
知手段及びトナーエンド記憶手段のトナーエンド
状態をリセツトするようにしたことを特徴とする
現像装置。 The toner end detecting means detects the end of toner in the toner replenishing section of the developing device, and the toner end storing means receives the detection signal and stores the toner end state, prohibits a copying operation, and displays a toner end display. In a developing device of an electrophotographic apparatus in which toner is replenished into the toner replenishing section by opening a door of a casing of the apparatus main body, means for detecting opening of the door and means for detecting that toner has been replenished. 1. A developing device characterized in that the toner end state of the toner end detection means and the toner end storage means is reset based on the detection signals of both of these detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11991888U JPH0241266U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11991888U JPH0241266U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241266U true JPH0241266U (en) | 1990-03-22 |
Family
ID=31365570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11991888U Pending JPH0241266U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05150645A (en) * | 1991-11-29 | 1993-06-18 | Mita Ind Co Ltd | Image forming device |
-
1988
- 1988-09-14 JP JP11991888U patent/JPH0241266U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05150645A (en) * | 1991-11-29 | 1993-06-18 | Mita Ind Co Ltd | Image forming device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2285112A1 (en) | Electrophotographic image forming apparatus, process cartridge, developing device, developer supply container and measuring part therefor | |
| JP2000206774A5 (en) | ||
| JPH0335559U (en) | ||
| JPH0241266U (en) | ||
| JPH0175265U (en) | ||
| JPS6176452U (en) | ||
| JPS61180266A (en) | Image forming device | |
| JPS646511Y2 (en) | ||
| JPS6430561U (en) | ||
| JPS60151671A (en) | Toner supplying device | |
| JPH0362359U (en) | ||
| JPS6122051U (en) | Toner density control device for image forming apparatus | |
| JPS63187154U (en) | ||
| JPS5915954A (en) | Developing device | |
| JPH03108259U (en) | ||
| JPH01136956U (en) | ||
| JPS6230269U (en) | ||
| JPS6065758U (en) | developing device | |
| JPS63191359U (en) | ||
| JPH02136266U (en) | ||
| JPH01177763U (en) | ||
| JPS6026065U (en) | Copying machine toner supply device | |
| JPH0167660U (en) | ||
| JPH0318555U (en) | ||
| JPH0440250U (en) |