JPH0416462U - - Google Patents
Info
- Publication number
- JPH0416462U JPH0416462U JP5653890U JP5653890U JPH0416462U JP H0416462 U JPH0416462 U JP H0416462U JP 5653890 U JP5653890 U JP 5653890U JP 5653890 U JP5653890 U JP 5653890U JP H0416462 U JPH0416462 U JP H0416462U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- storage section
- developer storage
- section
- image forming
- 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 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
図面は本考案の実施例を表わすもので、第１図
は現像剤収納部の近傍の断面図、第２図は磁気セ
ンサの支持構造を示す斜視図、第３図はレーザビ
ームプリンタの上部筺体が閉成された状態を示す
概略構成図、第４図は同じく上部筺体が開成され
た状態を示す概略構成図である。
１……上部筺体、２……下部筺体、４……ユニ
ツト、１７……現像剤収納部、１８……現像剤、
２０……現像剤検出部、２１……磁気センサ、２
２……センサ支持体、２６……スプリング。
The drawings show an embodiment of the present invention; Fig. 1 is a cross-sectional view of the vicinity of the developer storage section, Fig. 2 is a perspective view showing the support structure of the magnetic sensor, and Fig. 3 is the upper casing of the laser beam printer. FIG. 4 is a schematic configuration diagram showing a state in which the upper casing is opened. 1... Upper housing, 2... Lower housing, 4... Unit, 17... Developer storage section, 18... Developer,
20... Developer detection section, 21... Magnetic sensor, 2
2...Sensor support body, 26...Spring.
Claims (1)
少なくとも現像手段および現像剤収納部を含むユ
ニツトを有し、このユニツトの装着方向の前面側
に現像剤収納部を設けた画像形成装置であつて、 前記現像剤収納部の壁面の少なくとも一部に薄
肉状に形成された現像剤検出部と、 この現像剤検出部を介して現像剤収納部の内部
の現像剤を検出する現像剤検出手段と、 前記現像剤収納部の装着位置に対応して前記本
体側に設けられ、前記現像剤検出手段を前記現像
剤検出部の方向に弾性的に付勢する付勢手段 とを備えたことを特徴とする画像形成装置。 ２ 前記現像剤検出部は現像剤収納部の壁面と一
体に形成されてなる請求項１記載の画像形成装置
。[Claims for Utility Model Registration] 1. A unit that is removably attached to the main body and includes at least a developing means and a developer storage section, and the developer storage section is provided on the front side of the unit in the mounting direction. The image forming apparatus includes: a developer detection section formed in a thin shape on at least a part of a wall surface of the developer storage section; and a developer inside the developer storage section detected through the developer detection section. and a biasing means provided on the main body side corresponding to a mounting position of the developer storage section for elastically biasing the developer detection means in the direction of the developer detection section. An image forming apparatus comprising: 2. The image forming apparatus according to claim 1, wherein the developer detection section is formed integrally with a wall surface of the developer storage section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5653890U JPH0416462U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5653890U JPH0416462U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0416462U true JPH0416462U (en) | 1992-02-10 |
Family
ID=31580457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5653890U Pending JPH0416462U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07253713A (en) * | 1994-03-15 | 1995-10-03 | Ricoh Co Ltd | Electrophotographic device |
| JP2009251329A (en) * | 2008-04-08 | 2009-10-29 | Ricoh Co Ltd | Powder supply device and image forming apparatus |
-
1990
- 1990-05-31 JP JP5653890U patent/JPH0416462U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07253713A (en) * | 1994-03-15 | 1995-10-03 | Ricoh Co Ltd | Electrophotographic device |
| JP2009251329A (en) * | 2008-04-08 | 2009-10-29 | Ricoh Co Ltd | Powder supply device and image forming apparatus |