JPH0424771U - - Google Patents
Info
- Publication number
- JPH0424771U JPH0424771U JP6504190U JP6504190U JPH0424771U JP H0424771 U JPH0424771 U JP H0424771U JP 6504190 U JP6504190 U JP 6504190U JP 6504190 U JP6504190 U JP 6504190U JP H0424771 U JPH0424771 U JP H0424771U
- Authority
- JP
- Japan
- Prior art keywords
- belt
- photoconductor
- sensor
- photosensitive
- detected member
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Description
第１図は本考案による感光体ベルトユニツト交
換検知装置の一例の概要構成図、第２図はこれを
適用したレーザプリンタの全体の内部構成図、第
３図はその外観斜視図、第４図は上記感光体ベル
トユニツト交換検知装置の要部の断面図、第５図
はその感光体ベルト駆動後の状態の断面図、第６
図はその動作のフローチヤートである。
１０……プリンタ本体、１５……感光体ベルト
、３１……感光体ユニツトケース、３２……感光
体ベルトユニツト、３５……フオトセンサ、３６
……反射箔（被検知部材）。
Fig. 1 is a schematic configuration diagram of an example of a photoreceptor belt unit replacement detection device according to the present invention, Fig. 2 is an overall internal configuration diagram of a laser printer to which this is applied, Fig. 3 is a perspective view of its external appearance, and Fig. 4 5 is a sectional view of the main part of the photoreceptor belt unit exchange detection device, FIG. 5 is a sectional view of the state after the photoreceptor belt is driven, and FIG.
The figure is a flowchart of its operation. DESCRIPTION OF SYMBOLS 10...Printer body, 15...Photoconductor belt, 31...Photoconductor unit case, 32...Photoconductor belt unit, 35...Photo sensor, 36
...Reflective foil (detected member).
Claims (1)
転可能に装着した感光体ベルトユニツトを、本体
内に着脱自在に装填する電子写真記録装置におい
て、前記感光体ユニツトケースと前記感光体ベル
トとの間に、該感光体ベルトの回転開始により離
脱する被検知部材を接続し、前記本体の所定位置
に該被検知部材を検知するセンサを設けたことを
特徴とする、感光体ベルトユニツト交換検知装置
。 ２ 前記被検知部材が光を反射する反射部材であ
り、前記センサが反射型フオトセンサで、前記感
光体ベルトの継ぎ目を検知するための継ぎ目検知
用センサも兼ねることを特徴とする、前記請求項
１に記載の感光体ベルトユニツト交換検知装置。[Scope of Claim for Utility Model Registration] 1. In an electrophotographic recording device in which a photoconductor belt unit, in which a photoconductor belt is rotatably mounted inside a photoconductor unit case, is removably loaded into the main body, the photoconductor unit case and A photosensitive device, characterized in that a detected member that is detached when the photosensitive belt starts rotating is connected between the photosensitive belt and a sensor that detects the detected member is provided at a predetermined position of the main body. Body belt unit replacement detection device. 2. The above-mentioned claim 1, wherein the detected member is a reflective member that reflects light, and the sensor is a reflective photo sensor, which also serves as a seam detection sensor for detecting a seam of the photoreceptor belt. The photoreceptor belt unit replacement detection device described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6504190U JPH0424771U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6504190U JPH0424771U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424771U true JPH0424771U (en) | 1992-02-27 |
Family
ID=31596517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6504190U Pending JPH0424771U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424771U (en) |
-
1990
- 1990-06-20 JP JP6504190U patent/JPH0424771U/ja active Pending