JPH0258763U - - Google Patents
Info
- Publication number
- JPH0258763U JPH0258763U JP13750888U JP13750888U JPH0258763U JP H0258763 U JPH0258763 U JP H0258763U JP 13750888 U JP13750888 U JP 13750888U JP 13750888 U JP13750888 U JP 13750888U JP H0258763 U JPH0258763 U JP H0258763U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- paper
- edge position
- leading edge
- copying machine
- 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 description 2
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の実施例における複写機の要部
を示す側面図、第２図乃至第４図は複写用紙の姿
勢と送り方向を説明するための図、第５図はセン
サーの配置を示す図、第６図乃至第８図はセンサ
ーの出力を示す図、第９図はセンサーの別の配置
を示す図、第１０図は従来の複写機の要部を示す
側面図、第１１図は複写用紙の姿勢を規制する従
来の方法を示す図である。
１：感光体、２：帯電器、３：露光装置、４：
現像器、５：転写コロトロン、６：剥離コロトロ
ン、７：クリーナー、８：搬送装置、９：搬送装
置、１０：給紙ロール、１１：レジストロール、
１２：露光位置、１３：第１のセンサー、１４：
第２のセンサー、１５：第３のセンサー、１６：
イメージセンサー、２０：ゲート、２１：ループ
、２２：スキユーロール、２３：側壁ガイド。
Fig. 1 is a side view showing the main parts of a copying machine according to an embodiment of the present invention, Figs. 6 to 8 are diagrams showing the output of the sensor, FIG. 9 is a diagram showing another arrangement of the sensor, FIG. 10 is a side view showing the main parts of a conventional copying machine, and FIG. 11 is a diagram showing the sensor output. 1 is a diagram showing a conventional method for regulating the posture of copy paper. 1: Photoreceptor, 2: Charger, 3: Exposure device, 4:
developing device, 5: transfer corotron, 6: peeling corotron, 7: cleaner, 8: transport device, 9: transport device, 10: paper feed roll, 11: resist roll,
12: exposure position, 13: first sensor, 14:
Second sensor, 15: Third sensor, 16:
Image sensor, 20: gate, 21: loop, 22: ski roll, 23: side wall guide.
Claims (1)
端位置及び側縁位置を検出するセンサーと、該セ
ンサーの出力から転写位置における用紙の基準位
置からの変位量を予測する手段と、該変位量の予
測に応じて、感光体への原稿像の入力位置を補正
する手段とを設けたことを特徴とする複写機。 ２ 前記センサーが、用紙の先端位置を検出する
１個のセンサーと、搬送方向に間隔をおいて２個
配置した用紙の側縁を検出するセンサーとからな
る請求項１記載の複写機。 ３ 前記センサーが、用紙の先端位置と側縁位置
とを同時に検出するイメージセンサーである請求
項１記載の複写機。[Claims for Utility Model Registration] 1. A sensor arranged along the paper conveyance line to detect the leading edge position and side edge position of the paper, and predicting the amount of displacement of the paper from the reference position at the transfer position from the output of the sensor. and means for correcting the input position of the original image onto the photoreceptor in accordance with the prediction of the amount of displacement. 2. The copying machine according to claim 1, wherein the sensor comprises one sensor that detects the leading edge position of the paper, and two sensors that detect the side edges of the paper, which are arranged at an interval in the conveying direction. 3. The copying machine according to claim 1, wherein the sensor is an image sensor that simultaneously detects a leading edge position and a side edge position of the paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13750888U JPH0258763U (en) | 1988-10-20 | 1988-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13750888U JPH0258763U (en) | 1988-10-20 | 1988-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258763U true JPH0258763U (en) | 1990-04-26 |
Family
ID=31398994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13750888U Pending JPH0258763U (en) | 1988-10-20 | 1988-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004099883A1 (en) * | 2003-05-08 | 2004-11-18 | Sharp Kabushiki Kaisha | Image forming device |
-
1988
- 1988-10-20 JP JP13750888U patent/JPH0258763U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004099883A1 (en) * | 2003-05-08 | 2004-11-18 | Sharp Kabushiki Kaisha | Image forming device |
| US7536125B2 (en) | 2003-05-08 | 2009-05-19 | Sharp Kabushiki Kaisha | Image forming apparatus capable of suppressing developer waste |
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