JPH0351464U - - Google Patents
Info
- Publication number
- JPH0351464U JPH0351464U JP11086689U JP11086689U JPH0351464U JP H0351464 U JPH0351464 U JP H0351464U JP 11086689 U JP11086689 U JP 11086689U JP 11086689 U JP11086689 U JP 11086689U JP H0351464 U JPH0351464 U JP H0351464U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- photo sensor
- image forming
- light emitting
- forming apparatus
- 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
- 108091008695 photoreceptors Proteins 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Description
第１図は本考案が適用される画像形成装置の一
例の全体概略構成を示す側断面図、第２図は本考
案のフオトセンサの感光体に対する設置位置を説
明する説明図、第３図は感光体セツトセンサとし
て使用されるフオトセンサの構成及びその出力と
プリント動作制御回路との接続を示すブロツク図
、第４図はフオトセンサの発光ダイオードの別の
接続方法を示す回路図である。
１……画像形成装置、４……感光体ドラム、７
……現像装置、７ａ……現像ローラ、８……クリ
ーニング装置、１１……フオトセンサ、１２……
発光ダイオード（ＬＥＤ）、１３……フオトトラ
ンジスタ（受光素子）。
FIG. 1 is a side cross-sectional view showing the overall schematic configuration of an example of an image forming apparatus to which the present invention is applied, FIG. 2 is an explanatory diagram illustrating the installation position of the photo sensor of the present invention with respect to the photoconductor, and FIG. 3 is a photoconductor. FIG. 4 is a block diagram showing the configuration of a photo sensor used as a body setting sensor and the connection between its output and a print operation control circuit. FIG. 4 is a circuit diagram showing another method of connecting the light emitting diode of the photo sensor. 1... Image forming device, 4... Photosensitive drum, 7
...Developing device, 7a...Developing roller, 8...Cleaning device, 11...Photo sensor, 12...
Light emitting diode (LED), 13...phototransistor (light receiving element).
Claims (1)
て、感光体の装着の有無を検知する反射式フオト
センサを有し、該フオトセンサの発光素子の照射
位置を感光体の非現像領域に設けたことを特徴と
する画像形成装置。 An image forming apparatus having a removable photoreceptor, comprising a reflective photo sensor for detecting whether or not the photoreceptor is attached, and an irradiation position of a light emitting element of the photo sensor is provided in a non-developing area of the photoreceptor. image forming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11086689U JPH0351464U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11086689U JPH0351464U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351464U true JPH0351464U (en) | 1991-05-20 |
Family
ID=31659372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11086689U Pending JPH0351464U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351464U (en) |
-
1989
- 1989-09-25 JP JP11086689U patent/JPH0351464U/ja active Pending
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