JPH0255646U - - Google Patents
Info
- Publication number
- JPH0255646U JPH0255646U JP13574488U JP13574488U JPH0255646U JP H0255646 U JPH0255646 U JP H0255646U JP 13574488 U JP13574488 U JP 13574488U JP 13574488 U JP13574488 U JP 13574488U JP H0255646 U JPH0255646 U JP H0255646U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- sensor
- control means
- information
- detection device
- 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 4
- 238000010586 diagram Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Handling Of Cut Paper (AREA)
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案が適用され得る複写機の用紙搬
送路の構成を示す説明図、第２図は本考案の制御
装置における制御の状態を示すタイミングチヤー
ト、第２ａ図はデータの変化を示す説明図、第２
ｂ図および第２ｃ図はそれぞれ本考案の制御装置
に信号が入力された場合の対応を示すフローチヤ
ートであり、第３図は従来の制御装置における制
御の状態を示すタイミングチヤートである。
図中の符号、１……給紙路、３……レジゲート
、４……レジソレノイド、５……感光体ドラム、
８……搬送ベルト、１０……定着装置、１１……
分岐爪、１４……排出トレイ、１５……戻し路、
Ｓ，Ｓ１，Ｓ２……センサー。
Fig. 1 is an explanatory diagram showing the configuration of a paper conveyance path of a copying machine to which the present invention can be applied, Fig. 2 is a timing chart showing the control status in the control device of the present invention, and Fig. 2a shows changes in data. Explanatory diagram, 2nd
FIGS. 2B and 2C are flowcharts showing the response when a signal is input to the control device of the present invention, and FIG. 3 is a timing chart showing the control status in the conventional control device. Symbols in the diagram: 1... Paper feed path, 3... Registration gate, 4... Registration solenoid, 5... Photoconductor drum,
8... Conveyor belt, 10... Fixing device, 11...
Branch claw, 14... Ejection tray, 15... Return path,
S, S1, S2...Sensor.
Claims (1)
、該センサーにより用紙の通過を検知するように
構成してなる装置において、 前記センサーを制御手段に接続し、該制御手段
においては、用紙の到着すべきタイミングの若干
前からセンサーによる検知が可能な状態に設定し
、 最初に用紙の先端を検知した情報のみを、用紙
の検知情報として用い、該検知情報が制御手段に
入力された後は、その用紙に対する検知を停止す
るように構成したことを特徴とする用紙搬送路に
おける用紙検知装置。[Claims for Utility Model Registration] In an apparatus configured such that a sensor is disposed in a paper conveyance path of an image forming apparatus and the sensor detects passage of paper, the sensor is connected to a control means, and the control means The means is set to a state in which the sensor can detect the paper slightly before the timing when the paper should arrive, and only the information that the leading edge of the paper is detected first is used as the paper detection information, and this detection information is used as the control means. 1. A paper detection device in a paper transport path, characterized in that the paper detection device is configured to stop detecting the paper after the paper is inputted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13574488U JPH0255646U (en) | 1988-10-18 | 1988-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13574488U JPH0255646U (en) | 1988-10-18 | 1988-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255646U true JPH0255646U (en) | 1990-04-23 |
Family
ID=31395624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13574488U Pending JPH0255646U (en) | 1988-10-18 | 1988-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04129782A (en) * | 1990-09-21 | 1992-04-30 | Canon Inc | Recording apparatus |
-
1988
- 1988-10-18 JP JP13574488U patent/JPH0255646U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04129782A (en) * | 1990-09-21 | 1992-04-30 | Canon Inc | Recording apparatus |
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