JPH0381966U - - Google Patents
Info
- Publication number
- JPH0381966U JPH0381966U JP14394389U JP14394389U JPH0381966U JP H0381966 U JPH0381966 U JP H0381966U JP 14394389 U JP14394389 U JP 14394389U JP 14394389 U JP14394389 U JP 14394389U JP H0381966 U JPH0381966 U JP H0381966U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- guide
- paper guide
- photosensitive drum
- driving means
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Handling Of Sheets (AREA)
- Handling Of Continuous Sheets Of Paper (AREA)
Description
第１図は本考案の一実施例のアイドル状態の側
面図、第２図は第１図の一部の正面図、第３図は
用紙停止・ドラム起動時及び連続用紙逆搬送時の
状態を示す要部側面図、第４図は連続用紙印刷時
の状態を示す要部側面図、第５図は単票用紙印刷
時の状態を示す要部側面図、第６図は印刷処理進
行情況と連続用紙及び単票用紙のそれぞれの印刷
動作時のエンコーダ角度と用紙ガイド位置との相
対関係を示す説明図である。第７図は従来の用紙
位置設定装置の側面図である。
１……連続用紙、２……感光ドラム、３……第
１用紙ガイド、Ｄ……揺動部、４……カム軸、５
……カム、６……エンコーダ、７……ホームポジ
シヨン検出器、８……プーリ、９……駆動源、１
１……第２用紙ガイド、Ｅ……揺動部、１３……
カム。
Fig. 1 is a side view of an embodiment of the present invention in an idle state, Fig. 2 is a front view of a part of Fig. 1, and Fig. 3 shows the state when paper is stopped, the drum is started, and continuous paper is conveyed in reverse. FIG. 4 is a side view of the main part showing the state when printing on continuous paper, FIG. 5 is a side view of the main part showing the state when printing on cut paper, and FIG. FIG. 6 is an explanatory diagram showing the relative relationship between the encoder angle and the paper guide position during printing operations for continuous paper and cut paper. FIG. 7 is a side view of a conventional paper position setting device. 1... Continuous paper, 2... Photosensitive drum, 3... First paper guide, D... Swinging section, 4... Camshaft, 5
...Cam, 6...Encoder, 7...Home position detector, 8...Pulley, 9...Drive source, 1
1... Second paper guide, E... Swinging section, 13...
cam.
Claims (1)
間を通る印字用紙を前記感光ドラムの外周面に対
して接離させる用紙位置設定装置であつて、 前記転写器の用紙送り方向前後において用紙を
挾んで案内し、互いに独立して上下動されて前記
用紙を前記感光ドラムに対して接離させる第１用
紙ガイド及び第２用紙ガイドと、 入力する制御指令に基いて前記第１用紙ガイド
と第２用紙ガイドをそれぞれ所定の位置に上下動
させるガイド駆動手段と、 を有することを特徴とする電子写真プリンタの用
紙位置設定装置。 (2) 第１用紙ガイドの駆動手段は、第１用紙ガ
イドに設けた揺動部の端部にステツピングモータ
により回転される多段カムを当接させてなり、第
２用紙ガイドの駆動手段は、第２用紙ガイドに設
けた揺動部の端部に前記ステツピンモータにより
回転されるほぼ半円形のカムを当接させてなり、
感光ドラムに対する印字用紙の接離距離を多段階
に設定できるようにした請求項１記載の電子写真
プリンタの用紙位置設定装置。[Claims for Utility Model Registration] (1) A paper position setting device for moving printing paper passing between a photosensitive drum and a transfer device of an electrophotographic printer toward and away from an outer peripheral surface of the photosensitive drum, the transfer device comprising: a first paper guide and a second paper guide that sandwich and guide the paper in the front and back of the paper feed direction and move the paper up and down independently of each other to bring the paper into contact with and away from the photosensitive drum, based on input control commands; A paper position setting device for an electrophotographic printer, comprising: guide driving means for vertically moving the first paper guide and the second paper guide to predetermined positions, respectively. (2) The driving means for the first paper guide includes a multistage cam rotated by a stepping motor that is brought into contact with the end of a swinging section provided on the first paper guide, and the driving means for the second paper guide is , a substantially semicircular cam rotated by the step pin motor is brought into contact with an end of a swinging portion provided on the second paper guide,
2. A paper position setting device for an electrophotographic printer according to claim 1, wherein the distance between the printing paper and the photosensitive drum can be set in multiple stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143943U JPH08684Y2 (en) | 1989-12-12 | 1989-12-12 | Paper position setting device for electrophotographic printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989143943U JPH08684Y2 (en) | 1989-12-12 | 1989-12-12 | Paper position setting device for electrophotographic printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0381966U true JPH0381966U (en) | 1991-08-21 |
| JPH08684Y2 JPH08684Y2 (en) | 1996-01-10 |
Family
ID=31690692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989143943U Expired - Lifetime JPH08684Y2 (en) | 1989-12-12 | 1989-12-12 | Paper position setting device for electrophotographic printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08684Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010214071A (en) * | 2009-03-14 | 2010-09-30 | Tatsuko Akutsu | Dust sucking disposable universal duster |
| JP2012185454A (en) * | 2011-03-08 | 2012-09-27 | Fuji Xerox Co Ltd | Image forming device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5321934A (en) * | 1976-08-12 | 1978-02-28 | Siemens Ag | Driving device of record holding member |
| JPS5581375A (en) * | 1978-12-15 | 1980-06-19 | Hitachi Koki Co Ltd | Electrophotographic transfer part driving mechanism |
| JPS5946665A (en) * | 1982-09-10 | 1984-03-16 | Fujitsu Ltd | Transfer guide driving device |
-
1989
- 1989-12-12 JP JP1989143943U patent/JPH08684Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5321934A (en) * | 1976-08-12 | 1978-02-28 | Siemens Ag | Driving device of record holding member |
| JPS5581375A (en) * | 1978-12-15 | 1980-06-19 | Hitachi Koki Co Ltd | Electrophotographic transfer part driving mechanism |
| JPS5946665A (en) * | 1982-09-10 | 1984-03-16 | Fujitsu Ltd | Transfer guide driving device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010214071A (en) * | 2009-03-14 | 2010-09-30 | Tatsuko Akutsu | Dust sucking disposable universal duster |
| JP2012185454A (en) * | 2011-03-08 | 2012-09-27 | Fuji Xerox Co Ltd | Image forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08684Y2 (en) | 1996-01-10 |
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