JPH09267528A - Recording paper reversing apparatus - Google Patents
Recording paper reversing apparatusInfo
- Publication number
- JPH09267528A JPH09267528A JP8103843A JP10384396A JPH09267528A JP H09267528 A JPH09267528 A JP H09267528A JP 8103843 A JP8103843 A JP 8103843A JP 10384396 A JP10384396 A JP 10384396A JP H09267528 A JPH09267528 A JP H09267528A
- Authority
- JP
- Japan
- Prior art keywords
- recording paper
- conveyance
- path
- paper
- reversing 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
Landscapes
- Handling Of Cut Paper (AREA)
- Paper Feeding For Electrophotography (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Conveyance By Endless Belt Conveyors (AREA)
- Registering Or Overturning Sheets (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、記録紙反転装置、
より詳細には、両面印写機能を搭載した複写機・プリン
タ等における記録紙反転装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording paper reversing device,
More specifically, the present invention relates to a recording paper reversing device in a copying machine, a printer or the like having a double-sided printing function.
【０００２】[0002]
【従来の技術】特開昭５８−１６７３４７号公報には、
用紙の片面を転写・定着部により印刷し、その後、この
用紙の裏表を逆にし、再度上記転写・定着部に入力する
ことにより上記用紙の両面を印刷することが可能な印刷
装置において、上記転写・定着部から出力された上記用
紙を、該転写・定着部より先に出力された方を上記転写
・定着部に先に入力する紙送り機構を有し、上記紙送り
機構の途中に、上記紙送りの進行方向に直角な面に対
し、上記用紙を半回転させるようにした印刷装置が開示
されている。2. Description of the Related Art Japanese Unexamined Patent Publication (Kokai) No. 58-167347 discloses that
In a printing device capable of printing both sides of the paper by printing one side of the paper by the transfer / fixing unit, then reversing the front and back of the paper and inputting again to the transfer / fixing unit. A paper feeding mechanism for inputting the paper output from the fixing unit to the transfer / fixing unit first, the one output prior to the transfer / fixing unit being provided in the middle of the paper feeding mechanism. A printing apparatus has been disclosed in which the above-mentioned paper is rotated halfway with respect to a plane perpendicular to the direction of paper feed.
【０００３】また、特開平５−３４１５９６号公報に
は、用紙の両面に画像を形成する画像処理手段と、前記
画像処理手段から給送される一つの面に一つの画像が形
成された用紙を反転したのち、該反転された用紙を前記
画像処理手段へ再給送する反転ユニットとを含み、前記
画像処理手段は前記反転ユニットから給送される反転さ
れた用紙が用紙の搬送路の所定の位置を通過したときに
用紙に関して一つの面への一つの画像の形成を阻止する
とともに、前記反転ユニットから給送される反転された
用紙の他の面に他の画像を形成するようにした複写機が
開示されている。Further, Japanese Patent Laid-Open No. 5-341596 discloses an image processing means for forming images on both sides of a sheet, and a sheet having one image formed on one side fed from the image processing means. And a reversing unit for re-feeding the reversed sheet to the image processing means after reversing, wherein the image processing means supplies the reversed sheet fed from the reversing unit to a predetermined path of the sheet. Copying which prevents the formation of one image on one side of the sheet as it passes through the position and forms another image on the other side of the inverted sheet fed from the reversing unit Machine is disclosed.
【０００４】[0004]
【発明が解決しようとする課題】従来、記録紙の反転装
置と言えば、特開平５−３４１５９６号公報に示されて
いるようにスイッチバック方式が一般的なものであり、
現在でもこのスイッチバック方式が通常用いられてい
る。しかし、スイッチバック方式においては、表裏反転
した記録紙の前後も反転してしまい、表裏の画像領域先
端位置合わせが難しくなってしまうという難点があっ
た。また、搬送経路の構成によっては、スイッチバック
部入出口の搬送ローラを正逆駆動する必要があり、順次
反転動作の場合にはこの正逆反転の際のタイムラグによ
りスピーディーさに欠ける面があった。Conventionally, a switchback system is generally used as a reversing device for a recording sheet, as disclosed in Japanese Patent Laid-Open No. 5-341596.
Even now, this switchback method is normally used. However, in the switchback method, the front and back of the recording paper that has been turned upside down is also turned upside down, which makes it difficult to align the front and back image area front ends. In addition, depending on the configuration of the transport path, it is necessary to drive the transport rollers at the entrance and exit of the switchback unit in the forward and reverse directions, and in the case of the sequential reversing operation, there was a surface lacking speediness due to the time lag during this forward and reverse reversal. .
【０００５】一方、特開昭５８−１６７３４７号公報に
述べられている記録紙反転装置を用いれば、記録紙の表
裏反転に伴って前後が反転することもなく、表裏の画像
領域先端位置合わせに関しては問題ない。しかし、この
場合も順次反転動作を行う場合には１枚搬入されるごと
に両面トレイを１８０°反転させる必要があり、スピー
ディーさにかけるとともに騒音の問題も心配される。ス
ピーディーかつ静粛に反転動作を行うためには、モータ
以外のメカ部品の動作はなるべく少なくするのが理想で
ある。On the other hand, if the recording paper reversing device described in Japanese Patent Laid-Open No. 167347/1983 is used, the front and back of the recording paper will not be reversed when the recording paper is reversed, and the front and back image area front end positions will be aligned. Is no problem. However, in this case as well, in the case of sequentially performing the reversing operation, it is necessary to reverse the double-sided tray by 180 ° every time one sheet is loaded, which causes a problem of noise as well as speed. In order to perform the reversing operation speedily and quietly, it is ideal that the mechanical parts other than the motor operate as little as possible.
【０００６】本発明は、上述のごとき実情に鑑みてなさ
れたもので、 記録紙を表裏反転させた時に、前後まで反転してしま
わないこと、 順次反転動作を念頭に置き、なるべくモータ以外のメ
カ部品動作を増やさないことにより、スピーディーかつ
静粛な反転動作を実現すること、を目的としてなされた
ものである。The present invention has been made in view of the above-mentioned circumstances. When the recording paper is turned upside down, it is not turned upside down, and the sequential turning operation is kept in mind. The purpose of this is to realize a speedy and quiet reversal operation by not increasing the number of component operations.
【０００７】[0007]
【課題を解決するための手段】請求項１の発明は、記録
紙としてカット紙を用い、該記録紙の両面に画像形成で
きる機能を備えた画像形成装置の記録紙反転装置におい
て、排紙経路と給紙経路を連通させて再給紙経路を形成
し、その再給紙経路中に記録紙搬送方向と直角方向に記
録紙を送出し、円弧を描いて１８０°反転して戻って来
る記録紙反転搬送経路を設け、搬送方向に対する記録紙
の前後を反転させず、表裏のみを反転することを特徴と
し、もって、搬送方向に対して記録紙の前後を反転させ
ずに表裏のみを反転させることで、表面と裏面の画像領
域の先端位置合わせを容易にしたものである。According to a first aspect of the present invention, in a recording paper reversing device of an image forming apparatus using a cut paper as recording paper and having a function of forming images on both sides of the recording paper, a paper discharge path is provided. And the paper feed path are communicated with each other to form a re-feed path, and the recording paper is fed into the re-feed path in a direction perpendicular to the recording paper conveyance direction, and an arc is drawn to invert 180 ° to return the recording. A paper reversal conveyance path is provided, and the front and back sides of the recording paper are not reversed with respect to the conveyance direction, and only the front and back sides are reversed. Therefore, the front and back sides of the recording paper are not reversed with respect to the conveyance direction. This facilitates alignment of the front ends of the front and back image areas.
【０００８】請求項２の発明は、請求項１の発明におい
て、記録紙反転搬送経路の搬送開始位置と搬送終了位置
が異なる位置であることを特徴とし、もって、搬送方向
に対して記録紙の前後を反転させずに表裏のみを反転さ
せることで、表面と裏面の画像領域の先端位置合わせを
容易にしたものである。According to a second aspect of the present invention, in the first aspect of the present invention, the conveyance start position and the conveyance end position of the recording paper reversing conveyance path are different positions. By inverting only the front and back without inverting the front and back, it is easy to align the front ends of the image areas on the front surface and the back surface.
【０００９】請求項３の発明は、請求項１の発明におい
て、記録紙反転搬送経路の搬送開始位置と搬送終了位置
が同一位置であることを特徴とし、もって、搬送方向に
対して記録紙の前後を反転させずに表裏のみを反転させ
ることで、表面と裏面の画像領域の先端位置合わせを容
易にしたものである。According to a third aspect of the present invention, in the first aspect of the invention, the conveyance start position and the conveyance end position of the recording paper reversing conveyance path are the same position. By inverting only the front and back without inverting the front and back, it is easy to align the front ends of the image areas on the front surface and the back surface.
【００１０】請求項４の発明は、請求項１の発明におい
て、記録紙反転搬送経路の搬送開始位置においては、記
録紙反転搬送方向への搬送用コロのみが接離可能に設置
され、再給紙方向への搬送用コロは設置されていないこ
とを特徴としたものである。而して、記録紙反転搬送経
路の反転搬送開始位置内において、再給紙方向への搬送
コロを設置した場合には、記録紙が反転搬送開始位置内
で搬送方向搬送を９０°転換する時に、再給紙搬送方向
への搬送コロを離間させ、反転搬送方向への搬送コロを
当接する必要がある。記録紙の反転は、搬送速度が速い
場合等を考えるとできるだけスムーズに行う必要があ
り、反転に伴う駆動部品が少ないのが理想である。そこ
で、反転搬送開始位置への記録紙の搬入は、反転搬送開
始位置外の再給紙経路搬送コロによる搬送力の惰性で行
うものとすると、反転に伴い駆動する部品の点数が少な
くなることになり、スムーズな搬送かつ省スペースを実
現できる。According to a fourth aspect of the present invention, in the first aspect of the present invention, at the conveyance start position of the recording sheet reversing conveyance path, only the conveying rollers in the recording sheet reversing conveyance direction are installed so that they can come into contact with and separate from each other, and re-feed It is characterized in that a roller for conveyance in the paper direction is not installed. Thus, in the case where the conveyance roller in the re-feeding direction is installed in the reverse conveyance start position of the recording sheet reverse conveyance path, when the recording paper changes the conveyance direction conveyance by 90 ° in the reverse conveyance start position. It is necessary to separate the transport rollers in the re-feed transport direction and to abut the transport rollers in the reverse transport direction. The reversal of the recording paper needs to be performed as smoothly as possible in consideration of the case where the conveyance speed is high, and ideally, the number of driving parts accompanying the reversal is small. Therefore, if the recording paper is carried into the reversal conveyance start position by inertia of the conveyance force by the re-feeding path conveyance rollers outside the reversal conveyance start position, the number of parts to be driven due to the reversal becomes small. Therefore, smooth transportation and space saving can be realized.
【００１１】請求項５の発明は、請求項１の発明におい
て、記録紙反転搬送経路の搬送終了位置においては、再
給紙方向への搬送用コロのみが接離可能に設置され、記
録紙反転搬送方向への搬送用コロは設置されていないこ
とを特徴としたものである。而して、記録紙反転搬送経
路の反転搬送終了位置内において、反転搬送方向への搬
送コロを設置した場合には、記録紙が反転搬送終了位置
内で搬送方向を９０°転換する時に、反転搬送方向への
搬送コロを離間させ、再給紙搬送方向への搬送コロを当
接する必要がある。記録紙の反転は、搬送速度が速い場
合等を考えるとできるだけスムーズに行う必要があり、
反転に伴う駆動部品が少ないのが理想である。そこで、
反転搬送終了位置への記録紙の搬入は、反転搬送終了位
置外の反転経路搬送コロによる搬送力の惰性で行うもの
とすると、反転に伴い駆動する部品の点数が少なくなる
ことになり、スムーズな搬送かつ省スペースを実現でき
る。According to a fifth aspect of the present invention, in the first aspect of the invention, at the conveyance end position of the recording sheet reversing conveyance path, only the conveying roller in the sheet re-feeding direction is installed so as to be able to come into contact with and separate from the recording sheet reversing conveyance path. It is characterized in that no rollers for transportation in the transportation direction are installed. Thus, when the conveyance roller in the reverse conveyance direction is installed in the reverse conveyance end position of the recording paper reverse conveyance path, the recording paper is reversed when the conveyance direction is changed by 90 ° in the reverse conveyance end position. It is necessary to separate the transport rollers in the transport direction and abut the transport rollers in the re-feed transport direction. It is necessary to invert the recording paper as smoothly as possible considering the high transport speed.
Ideally, there are few driving parts that accompany reversal. Therefore,
If the recording paper is carried in to the reverse conveyance end position by inertia of the conveyance force by the reversal path conveyance roller outside the reverse conveyance end position, the number of parts driven due to the reversal will be reduced, and smooth Transport and space saving can be realized.
【００１２】請求項６の発明は、請求項１の発明におい
て、記録紙反転搬送経路の搬送終了位置においては、搬
送用コロが設置されておらず、再給紙方向への搬送開始
は記録紙の自重による自由落下により行うことを特徴と
し、もって、自由落下により再給紙搬送方向への搬送を
開始することで駆動する部品がなくなり、制御の簡略化
及び省スペースが実現できる。According to a sixth aspect of the present invention, in the first aspect of the present invention, a conveyance roller is not installed at the conveyance end position of the recording sheet reversing conveyance path, and the conveyance start in the sheet re-feed direction is started. It is characterized by performing free fall due to its own weight. Therefore, there is no part to be driven by starting conveyance in the re-feeding conveyance direction by free fall, so that simplification of control and space saving can be realized.
【００１３】請求項７の発明は、請求項１又は５又は６
の発明において、記録紙反転搬送経路の搬送終了位置に
おいて、記録紙反転搬送方向の突き当てフェンスが可動
であり、記録紙サイズに応じて記録紙幅方向の位置調整
が可能なことを特徴としたものである。而して、記録紙
を反転した場合にも、記録紙は、搬送経路の中心線（若
しくは片端）に位置合わせされている必要がある。この
ため、可動式の記録紙幅方向位置調整フェンスを設けて
おくと、記録紙サイズに応じて幅方向の位置調整を行う
ことができる。The invention of claim 7 is the invention of claim 1 or 5 or 6.
In the invention, the abutting fence in the recording paper reversal conveyance direction is movable at the conveyance end position of the recording paper reversal conveyance path, and the position adjustment in the recording paper width direction is possible according to the recording paper size. Is. Thus, even when the recording paper is reversed, the recording paper needs to be aligned with the center line (or one end) of the transport path. Therefore, if a movable recording paper width direction position adjusting fence is provided, the position adjustment in the width direction can be performed according to the recording paper size.
【００１４】[0014]
【発明の実施の形態】図１は、一般的な記録紙反転装置
の一例を説明するための概略構成図で、通常、記録紙反
転装置にはスイッチバック方式が用いられており、図１
はそのスイッチバック方式をカラー画像形成装置に用い
た場合の例を示したものである。給紙部（Ａ）より給紙
された記録紙は給紙搬送経路１を通過し、レジストロー
ラ２において一旦停止した後、感光体３上に形成された
トナー像と位置が合うタイミングで作像領域へ搬送され
る。感光体と接触しながら搬送され、感光体用転写チャ
ージャ４によってトナー像を転写された記録紙は、定着
ローラ５間を通ることにより熱及び圧力でトナー像が定
着される。その後、排紙搬送経路６を通過し、両面印刷
を行わない記録紙はそのまま排紙部（Ｂ）へ排紙される
が、両面印刷を行う記録紙は排紙経路切替機構７により
再給紙経路８1へ搬送される。再給紙経路８1に進入した
記録紙は反転トレイ９を通過することにより表裏反転
し、再び再給紙経路８2を搬送されて給紙搬送経路１内
に挿入される。この時、当然、給紙部から給紙される記
録紙とはタイミングを図った上で挿入されることにな
る。順次反転動作で行われる記録紙表裏反転は、通常、
上記の様な手順で行われていく。FIG. 1 is a schematic configuration diagram for explaining an example of a general recording paper reversing device. Normally, a switchback system is used for the recording paper reversing device.
Shows an example in which the switchback method is used in a color image forming apparatus. The recording sheet fed from the sheet feeding section (A) passes through the sheet feeding / conveying path 1, is temporarily stopped at the registration roller 2, and then is formed at a timing aligned with the toner image formed on the photoconductor 3. It is transported to the area. The recording paper, which is conveyed while in contact with the photoconductor and has the toner image transferred by the photoconductor transfer charger 4, passes between fixing rollers 5 and the toner image is fixed by heat and pressure. After that, the recording paper, which has not been subjected to double-sided printing, passes through the paper discharge conveyance path 6 and is directly discharged to the paper discharge unit (B), but the recording paper for double-sided printing is re-fed by the paper discharge path switching mechanism 7. It is conveyed to the route 8 1 . The recording paper that has entered the re-feeding path 8 1 is turned upside down by passing through the reversing tray 9, and is again conveyed through the re-feeding path 8 2 and inserted into the paper feeding / conveying path 1. At this time, naturally, the recording paper fed from the paper feeding unit is inserted at a timing. The reverse of the recording paper, which is performed by the sequential inversion operation, is usually
The procedure is as described above.
【００１５】〔請求項１の発明〕図２は、請求項１の発
明の記録紙反転装置における記録紙反転動作を説明する
ための図で、再給紙経路８1を搬送されてきた記録紙１
０は、反転搬送開始位置１１において突き当たって停止
する。記録紙１０が反転搬送開始位置１１に収まったこ
とを検知すると、記録紙反転搬送方向に回転する搬送ロ
ーラにより記録紙反転搬送経路１２の方向に記録紙を搬
送する。記録紙反転搬送経路を通して１８０°反転した
記録紙は反転終了位置１３において突き当たって停止
し、再び再給紙経路８2へ向けて搬出されていく。この
様な搬送動作を行うことにより、記録紙の前後を反転さ
せずに表裏を反転することができる。[Invention of Claim 1] FIG. 2 is a diagram for explaining the recording sheet reversing operation in the recording sheet reversing apparatus of the invention of Claim 1, wherein the recording sheet has been conveyed through the re-feeding path 8 1. 1
0 hits and stops at the reverse conveyance start position 11. When it is detected that the recording paper 10 has settled at the reverse conveyance start position 11, the recording paper is conveyed in the direction of the recording paper reverse conveyance path 12 by the conveyance roller rotating in the recording paper reverse conveyance direction. The recording paper that has been inverted 180 ° through the recording paper inversion conveyance path hits and stops at the inversion end position 13, and is again conveyed toward the re-feed path 8 2 . By carrying out such a conveying operation, it is possible to reverse the front and back of the recording paper without reversing the front and back.
【００１６】〔請求項２の発明〕請求項２の発明は、図
２に示したように、請求項１の発明において、記録紙反
転搬送経路の搬送開始位置と搬送終了位置が異なる位置
であることを特徴とし、もって、搬送方向に対して記録
紙の前後を反転させずに表裏のみを反転させることで、
表面と裏面の画像領域の先端位置合わせを容易にしたも
のである。[Invention of Claim 2] In the invention of Claim 2, as shown in FIG. 2, in the invention of Claim 1, the transport start position and the transport end position of the recording paper inversion transport path are different positions. Therefore, by inverting only the front and back without inverting the front and back of the recording paper with respect to the transport direction,
This facilitates alignment of the front ends of the front and back image areas.
【００１７】〔請求項３の発明〕図３は、請求項３の発
明を説明するための要部構成図で、再給紙経路を搬送さ
れてきた記録紙１０は、反転搬送開始＆終了位置１５に
到着すると一旦停止した後、記録紙反転搬送経路１２へ
向けて搬出され、表裏反転した後再び反転搬送開始＆終
了位置１５に戻り、再給紙経路８2へ向けて搬出されて
いく。[Invention of Claim 3] FIG. 3 is a main part configuration diagram for explaining the invention of Claim 3, in which the recording paper 10 conveyed through the re-feeding path has a reverse conveyance start and end position. When it arrives at 15, it is temporarily stopped and then carried out toward the recording paper reversal conveyance path 12, and after being turned upside down, it returns to the reverse conveyance start & end position 15 again and is ejected toward the re-feeding path 8 2 .
【００１８】〔請求項４の発明〕図４は、請求項４の発
明を説明するための要部構成図で、図面上において、再
給紙搬送方向は垂直下向き方向であり、反転搬送方向は
右斜め４５°下向き方向である。再給紙経路８1を搬送
されてきた記録紙１０は、再給紙経路搬送コロ１７によ
って反転搬送開始位置内（図示位置）に搬送される。こ
の再給紙経路搬送コロ１７は、排紙経路〜反転搬送開始
位置までの再給紙経路内の最後尾の搬送コロであり、こ
の搬送コロ１７を抜けて突き当てフェンス１９に至るエ
リアを反転搬送開始位置（Ｃ）と定義する。反転搬送開
始位置内に搬送されてきた記録紙１０は、再給紙方向突
き当てフェンス１９に突き当たって停止する訳である
が、再給紙経路搬送コロ〜突き当てフェンス間の距離は
記録紙の搬送方向長よりも長く、よって、記録紙は再給
紙経路搬送コロ１７を抜けてからは放出された勢い、若
しくは自由落下で突き当てフェンス１９に到着すること
になる。[Invention of Claim 4] FIG. 4 is a main part configuration diagram for explaining the invention of Claim 4, in which the re-feeding conveyance direction is a vertical downward direction and the reversal conveyance direction is It is a rightward 45 ° downward direction. The recording paper 10 that has been conveyed through the re-feed path 8 1 is conveyed by the re-feed path conveyance roller 17 to the inside of the reverse conveyance start position (the position shown in the figure). The re-feeding path transfer roller 17 is the last transfer roller in the re-feeding path from the discharge path to the reverse transfer start position, and the area that passes through the transfer roller 17 and reaches the abutting fence 19 is reversed. It is defined as the transport start position (C). The recording paper 10 conveyed into the reverse conveyance start position hits the re-feeding direction abutting fence 19 and stops, but the distance between the re-feeding path conveyance roller and the abutting fence is the same as that of the recording paper. It is longer than the length in the conveyance direction, and therefore the recording paper arrives at the abutting fence 19 by the force released after passing through the re-feeding path conveyance roller 17 or by free fall.
【００１９】反転搬送開始位置（Ｃ）内においては、搬
送手段としては接離可能なピックアップコロ（反転搬送
方向）１８が設置されているのみであり、ピックアップ
コロ１８が離間している場合は搬送手段がない構成にな
っている。これは、搬送方向を９０°転換するために常
設コロを設置できないためである。反転搬送開始位置
（Ｃ）内に記録紙１０が収まると、これを図示しないセ
ンサが検知し、任意のタイミングをもってピックアップ
コロ１８を当接する。ピックアップコロ１８は常時回転
しており、当接することにより反転経路搬送方向１２へ
の記録紙搬送を開始する。ピックアップされた記録紙
は、やがて反転経路搬送コロ２０にかまれて反転搬送経
路１２内を搬送されていく。ピックアップコロ１８は、
反転経路搬送コロ２０に記録紙１０がかまれた後、任意
のタイミングで離間させれば良い。その後、記録紙は１
８０°反転した後反転搬送終了位置に収容され、再び再
給紙方向８2へ搬送されていく。In the reverse conveyance start position (C), a pick-up roller (reversal conveyance direction) 18 which can be contacted and separated is installed as a conveying means. It has no means. This is because a permanent roller cannot be installed in order to change the conveying direction by 90 °. When the recording paper 10 is set in the reverse conveyance start position (C), a sensor (not shown) detects this and the pickup roller 18 is brought into contact with the recording paper 10 at an arbitrary timing. The pickup roller 18 is constantly rotating, and when it comes into contact with the pickup roller 18, the recording paper conveyance in the reverse path conveyance direction 12 is started. The picked-up recording paper is eventually bitten by the reversing path conveying roller 20 and conveyed in the reversing conveying path 12. The pickup roller 18 is
After the recording paper 10 is bitten by the reversal path transport roller 20, it may be separated at any timing. After that, the recording paper is 1
After reversing by 80 °, the sheet is accommodated at the reversal conveyance end position and is conveyed again in the sheet re-feeding direction 8 2 .
【００２０】図５は、請求項５の発明を説明するための
要部構成図で、図面上において、反転搬送方向１２は左
斜め４５°上向き方向であり、再給紙方向８2は垂直下
向き方向である。反転搬送経路１２を搬送されてきた記
録紙１０は、反転経路搬送コロ２１によって反転搬送終
了位置内に搬送される。この反転経路搬送コロ２１は反
転搬送経路１２内の最後尾の搬送コロであり、この搬送
コロ２１を抜けてサイドフェンス２２に至るエリアを反
転搬送終了位置と定義する。反転搬送終了位置内に搬送
されてきた記録紙１０は、サイドフェンス２２に突き当
たって停止する訳であるが、反転経路搬送コロ２１〜サ
イドフェンス２２間の距離は記録紙１０の幅方向長より
も長く、よって記録紙１０は反転経路搬送コロ２１を抜
けてからは放出された勢いによってサイドフェンス２２
に到達することになる。FIG. 5 is a schematic view of the essential parts for explaining the invention of claim 5, in which the reversing and conveying direction 12 is diagonally to the left by 45 ° and the re-feeding direction 8 2 is vertically downward. Direction. The recording paper 10 that has been conveyed through the reverse conveyance path 12 is conveyed into the reverse conveyance end position by the reverse passage conveyance roller 21. The reversing path transfer roller 21 is the last transfer roller in the reversing transfer path 12, and the area passing through the transfer roller 21 and reaching the side fence 22 is defined as the reversing transfer end position. The recording paper 10 conveyed into the reverse conveyance end position hits the side fence 22 and stops, but the distance between the reverse passage conveyance rollers 21 to the side fence 22 is longer than the widthwise length of the recording paper 10. Therefore, the recording paper 10 is long, and the side fence 22 is driven by the momentum released after passing through the reverse path transport roller 21.
Will be reached.
【００２１】反転搬送終了位置内においては、搬送手段
としては接離可能なピックアップコロ（再給紙搬送方
向）２３が設置されているのみであり、ピックアップコ
ロ２３が離間している場合は自由落下による搬送しか搬
送手段がない構成になっている。これは、搬送方向を９
０°転換するために常設コロを設置できないためであ
る。反転搬送終了位置内に記録紙１０が収まると、これ
を図示しないセンサが検知し、任意のタイミングをもっ
てピックアップコロ２３を当接する。ピックアップコロ
２３は常時回転しており、当接することによリ再給紙経
路搬送方向８2への記録紙搬送を開始する。この記録紙
搬送を妨げないタイミングで、可動式仕切板２４を開放
して再給紙経路を開くものとする。可動式仕切板２４は
再給紙搬送方向８2に対して直角に設置されており、記
録紙は搬送方向に正しく向いた状態でピックアップコロ
２３にホールドされ、斜行することなく搬送される。ピ
ックアップされた記録紙は、やがて再給紙経路搬送コロ
２５にかまれて再給紙搬送経路内８2を搬送されてい
く。ピックアップコロ２３は、再給紙経路搬送コロ２５
に記録紙１０がかまれた後、任意のタイミングで離間さ
せれば良い。その後、記録紙は再給紙経路８2を搬送さ
れていき、給紙搬送経路１に流れ込んでいくことにな
る。In the reverse conveyance end position, a pick-up roller (re-feeding conveyance direction) 23 which can be contacted and separated is installed as a conveying means, and when the pickup roller 23 is separated, it freely falls. It has a configuration in which there is a transport means only for transport by. This changes the transport direction to 9
This is because the permanent roller cannot be installed because it changes 0 °. When the recording paper 10 is set in the reverse conveyance end position, a sensor (not shown) detects this and the pickup roller 23 is brought into contact with the recording paper 10 at an arbitrary timing. The pick-up roller 23 is constantly rotating, and when it comes into contact with the pick-up roller 23, recording paper conveyance in the re-feeding path conveyance direction 8 2 is started. It is assumed that the movable partition plate 24 is opened and the re-feeding path is opened at a timing that does not hinder the conveyance of the recording paper. The movable partition plate 24 are installed at right angles to the refeed conveying direction 82, the recording paper is held in the pickup roller 23 correctly oriented state in the conveying direction, it is conveyed without skewing. The picked-up recording paper is eventually bitten by the re-feeding path transport roller 25 and transported through the re-feeding path 8 2 . The pick-up roller 23 is a re-feeding path transport roller 25.
After the recording paper 10 has been bitten, the recording paper 10 may be separated at any timing. After that, the recording paper is conveyed through the sheet re-feeding path 8 2 and flows into the sheet feeding / conveying path 1.
【００２２】〔請求項６の発明〕請求項６の発明は、図
５においてピックアップコロ２３が設置されていないも
ので、記録紙の搬送動作は、記録紙１０が反転搬送終了
位置内に収まるまでは前述の説明と同じであり、反転搬
送終了位置に収まった記録紙は、可動式仕切板２４の上
に乗って停止している。記録紙を再給紙経路方向へ搬出
したい場合には、この可動式仕切板２４を動作させて再
給紙経路を開放すれば良い。これによって記録紙は自重
により自由落下し、再給紙経路搬送コロ２５にかまれて
搬送されていく。ただし、この場合は、回転している再
給紙経路搬送コロ２５に記録紙１０がかまれる時点で、
記録紙の向きが正しく再給紙経路搬送コロ２５の向きに
一致していなければ、斜行したりしわになるなどして紙
詰まりの原因となってしまう。そのため、自由落下によ
る搬出の場合には、記録紙の向きを正す様な工夫が搬送
経路に必要となる。それは、例えば、記録紙幅と同一の
幅に設定されたサイドフェンスを設けることなどであ
る。[Invention of Claim 6] In the invention of Claim 6, the pick-up roller 23 is not installed in FIG. 5, and the recording paper conveyance operation is performed until the recording paper 10 is set within the reverse conveyance end position. Is the same as the above description, and the recording paper set at the reverse conveyance end position rests on the movable partition plate 24 and is stopped. When it is desired to carry out the recording paper in the re-feeding path direction, the movable partition plate 24 may be operated to open the re-feeding path. As a result, the recording sheet falls freely by its own weight, and is conveyed while being bitten by the re-feeding path conveying roller 25. However, in this case, when the recording paper 10 is bitten by the rotating re-feed path transport roller 25,
If the orientation of the recording paper does not correctly match the orientation of the re-feeding path transport roller 25, the paper may jam due to skewing or wrinkling. Therefore, in the case of unloading by free fall, it is necessary for the transport path to be devised so as to correct the orientation of the recording paper. That is, for example, to provide a side fence having the same width as the recording paper width.
【００２３】図６は、請求項７の発明を説明するための
要部構成図で、この発明はサイドフェンスを移動可能と
して位置調整用突き当てフェンス（図中ではサイドフェ
ンスと表示）とした場合の例である。再給紙される記録
紙は画像形成部における位置合わせの関係上、再給紙搬
送経路に対して記録紙の片端若しくは中心線で位置合わ
せをする必要がある。ここでは、記録紙の中心線２７を
再給紙搬送経路８2の中心線と合致させる場合を説明す
る。この記録紙反転装置を装備する画像形成装置におい
ては、数種類のサイズの記録紙１０1，１０2が使用され
ることを考える必要がある。記録紙のサイズが異なって
いると、紙の端部から中心線までの距離が異なってくる
ので、図６に示す様に、サイドフェンス２６を移動させ
て記録紙の幅方向の位置を調整しなければならない。FIG. 6 is a schematic view of an essential part for explaining the invention of claim 7, in which the side fence is movable and is used as a position adjusting abutting fence (indicated as side fence in the figure). Is an example of. Due to the alignment in the image forming unit, the re-fed recording paper needs to be aligned with the re-feeding conveyance path at one end or the center line of the recording paper. Here, a case where the center line 27 of the recording paper is aligned with the center line of the re-feeding conveyance path 8 2 will be described. In an image forming apparatus equipped with this recording paper reversing device, it is necessary to consider that recording papers 10 1 and 10 2 of several sizes are used. If the size of the recording paper is different, the distance from the edge of the paper to the center line is different. Therefore, as shown in FIG. 6, the side fence 26 is moved to adjust the position of the recording paper in the width direction. There must be.
【００２４】例えば、反転経路搬送方向１２から、この
画像形成装置で使用される記録紙のうち最大サイズであ
る記録紙Ａが搬送されてきた場合、サイドフェンス２６
は図中最も左に寄せた“記録紙Ａの場合のサイドフェン
ス位置”にセットする必要がある。その後、使用する記
録紙がそれより小さいサイズの記録紙Ｂに変わった場
合、記録紙Ｂの中心線が再給紙搬送経路の中心線に一致
する様に、サイドフェンスの位置を“記録紙Ｂの場合の
サイドフェンス位置”に設置し直さなければならない。
この場合のサイドフェンスの移動は手動で行っても良い
し、モータによって駆動して自動設定にしても良い。こ
の様にして、記録紙のサイズに応じてサイドフェンスの
位置をセットすると、反転搬送経路から搬送されてきた
記録紙はその中心線を再給紙搬送経路の中心線と一致さ
せた状態で、再給紙搬送経路８2を搬送されていくこと
になる。これにより、記録紙の裏面にも適正な位置に画
像を形成することができる。For example, when the recording paper A, which is the largest size among the recording papers used in this image forming apparatus, is conveyed from the reverse path conveying direction 12, the side fence 26.
Must be set to the leftmost position in the figure, "side fence position for recording paper A". After that, when the recording paper to be used is changed to a recording paper B having a smaller size, the position of the side fence is set to “recording paper B” so that the center line of the recording paper B coincides with the center line of the re-feeding conveyance path. In the case of "side fence position" must be re-installed.
In this case, the side fence may be moved manually, or may be automatically driven by a motor. In this way, when the position of the side fence is set according to the size of the recording paper, the recording paper conveyed from the reverse conveyance path has its center line aligned with the center line of the re-feed conveyance path, The sheet is conveyed through the re-feeding conveyance path 8 2 . As a result, an image can be formed on the back surface of the recording paper at an appropriate position.
【００２５】[0025]
【発明の効果】請求項１の発明によると、記録紙として
カット紙を用い、該記録紙の両面に画像形成できる機能
を備えた画像形成装置の記録紙反転装置において、排紙
経路と給紙経路を連通させて再給紙経路を形成し、その
再給紙経路中に記録紙搬送方向と直角方向に記録紙を送
出し、円弧を描いて１８０°反転して戻って来る記録紙
反転搬送経路を設け、搬送方向に対する記録紙の前後を
反転させず、表裏のみを反転するようにしたので、表面
と裏面の画像領域の先端位置合わせを容易にすることが
できる。According to the first aspect of the invention, in a recording paper reversing device of an image forming apparatus having a function of using cut paper as recording paper and capable of forming images on both sides of the recording paper, a paper discharge path and a paper feed are provided. A re-feeding path is formed by connecting the paths, and the recording paper is fed into the re-feeding path in the direction perpendicular to the recording paper conveyance direction, and then the recording paper is reversed 180 ° and reversed to return. Since the path is provided and only the front and back sides of the recording sheet are not inverted with respect to the conveyance direction, the front and back sides of the recording sheet can be easily aligned with each other.
【００２６】請求項２の発明によると、請求項１の発明
において、記録紙反転搬送経路の搬送開始位置と搬送終
了位置が異なる位置とし、また請求項３の発明による
と、請求項１の発明において、記録紙反転搬送経路の搬
送開始位置と搬送終了位置が同一位置とし、搬送方向に
対して記録紙の前後を反転させずに表裏のみを反転させ
るようにしたので、表面と裏面の画像領域の先端位置合
わせを容易に行うことができる。According to the invention of claim 2, in the invention of claim 1, the carrying start position and the carrying end position of the recording paper reversing carrying path are different positions, and according to the invention of claim 3, the invention of claim 1 In the above, since the conveyance start position and the conveyance end position of the recording paper reversing conveyance path are set to the same position and only the front and back of the recording paper are reversed without being reversed in the conveyance direction, the front and back image areas The tip position of can be easily adjusted.
【００２７】請求項４の発明によると、請求項１の発明
において、記録紙反転搬送経路の搬送開始位置において
は、記録紙反転搬送方向への搬送用コロのみを接離可能
に設置し、再給紙方向への搬送用コロは設置しないよう
にしたので、部品点数を減らし、省スペースを図ること
ができる。すなわち、記録紙反転搬送経路の反転搬送開
始位置内において、再給紙方向への搬送コロを設置した
場合には、記録紙が反転搬送開始位置内で搬送方向搬送
を９０°転換する時に、再給紙搬送方向への搬送コロを
離間させ、反転搬送方向への搬送コロを当接する必要が
あるが、記録紙の反転は、搬送速度が速い場合等を考え
るとできるだけスムーズに行う必要があり、反転に伴う
駆動部品が少ないのが理想である。そこで、反転搬送開
始位置への記録紙の搬入を、反転搬送開始位置外の再給
紙経路搬送コロによる搬送力の惰性で行うものとする
と、反転に伴い駆動する部品の点数が少なくなることに
なり、スムーズな搬送かつ省スペースを実現できる。According to the invention of claim 4, in the invention of claim 1, at the transport start position of the recording paper reverse transport path, only the transport roller in the recording paper reverse transport direction is installed so that it can be contacted and separated, Since the transport roller in the sheet feeding direction is not installed, the number of parts can be reduced and the space can be saved. That is, when the conveyance roller in the re-feeding direction is installed in the reverse conveyance start position of the recording sheet reverse conveyance path, when the recording paper changes the conveyance direction conveyance 90 ° in the reverse conveyance start position, It is necessary to separate the transport rollers in the paper feed transport direction and abut the transport rollers in the reverse transport direction, but the reversal of the recording paper needs to be performed as smoothly as possible considering the fast transport speed, Ideally, there are few driving parts that accompany reversal. Therefore, if the recording paper is carried into the reversal conveyance start position by inertia of the conveyance force by the re-feeding path conveyance rollers outside the reversal conveyance start position, the number of parts driven by the reversal becomes small. Therefore, smooth transportation and space saving can be realized.
【００２８】請求項５の発明によると、請求項１の発明
において、記録紙反転搬送経路の搬送終了位置において
は、再給紙方向への搬送用コロのみを接離可能に設置
し、記録紙反転搬送方向への搬送用コロは設置しないよ
うにしたので、部品点数を減らし、省スペースを図るこ
とができる。すなわち、記録紙反転搬送経路の反転搬送
終了位置内において、反転搬送方向への搬送コロを設置
した場合には、記録紙が反転搬送終了位置内で搬送方向
を９０°転換する時に、反転搬送方向への搬送コロを離
間させ、再給紙搬送方向への搬送コロを当接する必要が
あるが、記録紙の反転は、搬送速度が速い場合等を考え
るとできるだけスムーズに行う必要があり、反転に伴う
駆動部品が少ないのが理想である。そこで、反転搬送終
了位置への記録紙の搬入を、反転搬送終了位置外の反転
経路搬送コロによる搬送力の惰性で行うものとすると、
反転に伴い駆動する部品の点数が少なくなることにな
り、スムーズな搬送かつ省スペースを実現できる。According to a fifth aspect of the present invention, in the first aspect of the present invention, at the conveyance end position of the recording sheet reversing conveyance path, only the conveying roller in the sheet re-feeding direction is installed so as to be able to come into contact with and separate from the recording sheet. Since the conveyance roller in the reverse conveyance direction is not installed, it is possible to reduce the number of parts and save space. That is, when the conveyance roller in the reverse conveyance direction is installed in the reverse conveyance end position of the recording sheet reverse conveyance path, when the recording paper changes the conveyance direction by 90 ° in the reverse conveyance end position, the reverse conveyance direction is changed. It is necessary to separate the transport rollers to the paper feed path and to abut the transport rollers in the re-feeding transport direction.However, the reversal of the recording paper must be performed as smoothly as possible considering the fast transport speed. Ideally, there are few driving parts involved. Therefore, assuming that the recording paper is carried into the reverse conveyance end position by inertia of the conveyance force by the reverse path conveyance roller outside the reverse conveyance end position,
The number of parts to be driven is reduced along with the inversion, so that smooth transportation and space saving can be realized.
【００２９】請求項６の発明によると、請求項１の発明
において、記録紙反転搬送経路の搬送終了位置において
は、搬送用コロが設置されておらず、再給紙方向への搬
送開始は記録紙の自重による自由落下により行うように
したので自由落下により再給紙搬送方向への搬送を開始
することで駆動する部品がなくなり、制御の簡略化及び
省スペースが実現できる。According to a sixth aspect of the present invention, in the first aspect of the present invention, the conveyance roller is not installed at the conveyance end position of the recording sheet reversing conveyance path, and the conveyance start in the re-feeding direction is recorded. Since the paper is freely dropped by its own weight, there are no parts to be driven by starting the conveyance in the re-feeding conveyance direction by the free fall, so that the control can be simplified and the space can be saved.
【００３０】請求項７の発明によると、請求項１又は５
又は６の発明において、記録紙反転搬送経路の搬送終了
位置において、記録紙反転搬送方向の突き当てフェンス
が可動であり、記録紙サイズに応じて記録紙幅方向の位
置調整が可能であるので記録紙サイズに応じて幅方向の
位置調整を行うことができる。すなわち、記録紙を反転
した場合にも、記録紙は、搬送経路の中心線（若しくは
片端）に位置合わせされている必要があるが、可動式の
記録紙幅方向位置調整フェンスを設けておくと、記録紙
サイズに応じて幅方向の位置調整を行うことができる。According to the invention of claim 7, claim 1 or 5
In the invention of Item 6 or 6, the abutting fence in the recording paper reverse conveyance direction is movable at the conveyance end position of the recording paper reverse conveyance path, and the position adjustment in the recording paper width direction is possible according to the recording paper size. The position adjustment in the width direction can be performed according to the size. That is, even when the recording paper is turned over, the recording paper needs to be aligned with the center line (or one end) of the transport path. However, if a movable recording paper width direction position adjustment fence is provided, The position adjustment in the width direction can be performed according to the recording paper size.
【図１】 一般的な記録紙反転装置の一例を説明するた
めの全体構成図である。FIG. 1 is an overall configuration diagram for explaining an example of a general recording paper reversing device.
【図２】 請求項１及び２の記録紙反転装置における記
録紙反転動作を説明するための要部概略構成図である。FIG. 2 is a schematic configuration diagram of a main part for explaining a recording paper reversing operation in the recording paper reversing device of claims 1 and 2.
【図３】 請求項３の記録紙反転装置の反転動作を説明
するための要部概略構成図である。FIG. 3 is a schematic configuration diagram of a main part for explaining a reversing operation of the recording paper reversing device of claim 3;
【図４】 請求項４の記録紙反転搬送開始位置の構成の
一例を説明するための図である。FIG. 4 is a diagram for explaining an example of a configuration of a recording paper inversion conveyance start position of claim 4;
【図５】 請求項５の記録紙反転搬送終了位置の構成の
一例を説明するための図である。FIG. 5 is a diagram for explaining an example of a configuration of a recording paper inversion conveyance end position according to claim 5;
【図６】 請求項７の位置調整用突き当てフェンスを移
動させた場合の例の説明するための図である。FIG. 6 is a diagram for explaining an example of a case where the position adjusting butting fence according to claim 7 is moved.
１…給紙搬送経路、２…レジストローラ、３…感光体、
４…転写チャージ、５…定着ローラ、６…排紙搬送経
路、７…排紙経路切替機器、８1…再給紙経路、８2…再
給紙経路、９…反転トレイ、１０…記録紙、１０1…記
録紙Ａ、１０2…記録紙Ｂ、１１…反転搬送開始位置、
１２…記録紙反転搬送経路、１３…反転搬送終了位置、
１５…反転搬送開始＆終了位置、１７，２５…再給紙経
路搬送コロ、１８，２３…ピックアップコロ、１９…再
給紙方向突き当てフェンス、２０，２１…反転経路搬送
コロ、２２…サイドフェンス、２４…可動式仕切板、２
６1…記録紙Ａの場合のサイドフェンス位置、２６2…記
録紙Ｂの場合のサイドフェンス位置、２７…給紙搬送経
路及び記録紙の中心線。1 ... Paper feeding / conveying path, 2 ... Registration roller, 3 ... Photoconductor,
4 ... Transfer charge, 5 ... Fixing roller, 6 ... Ejection conveyance path, 7 ... Ejection path switching device, 8 1 ... Refeed path, 8 2 ... Refeed path, 9 ... Reverse tray, 10 ... Recording paper 10 1 ... Recording paper A, 10 2 ... Recording paper B, 11 ... Reverse conveyance start position,
12 ... Recording paper reversal conveyance path, 13 ... Reversal conveyance end position,
15 ... Reversal conveyance start & end position, 17, 25 ... Refeed path transport roller, 18, 23 ... Pickup roller, 19 ... Refeed direction abutment fence, 20, 21 ... Reverse path transport roller, 22 ... Side fence , 24 ... Movable partition boards, 2
6 1 ... Side fence position for recording paper A, 26 2 ... Side fence position for recording paper B, 27 ... Paper feeding / conveying path and recording paper center line.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０３Ｇ 15/00 ５１０ Ｇ０３Ｇ 15/00 ５１０ ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 6 Identification number Agency reference number FI Technical display location G03G 15/00 510 G03G 15/00 510
Claims (7)
の両面に画像形成できる機能を備えた画像形成装置の記
録紙反転装置において、排紙経路と給紙経路を連通させ
て再給紙経路を形成し、該再給紙経路中に記録紙搬送方
向に対して直角方向に記録紙を１８０°回転する記録紙
反転搬送経路を設け、搬送方向に対する記録紙の前後を
変えずに、表裏のみを反転することを特徴とする記録紙
反転装置。1. In a recording paper reversing device of an image forming apparatus using cut paper as recording paper and having a function of forming images on both sides of the recording paper, a paper discharge path and a paper feed path are communicated with each other to re-feed paper. A path is formed, and a recording paper reversal conveyance path for rotating the recording paper 180 ° in a direction perpendicular to the recording paper conveyance direction is provided in the re-feeding path, and the front and back sides of the recording paper are not changed with respect to the conveyance direction. A recording paper reversing device characterized by reversing only the recording paper.
て、記録紙反転搬送経路の搬送開始位置と搬送終了位置
が異なる位置であることを特徴とする記録紙反転装置。2. The recording paper reversing device according to claim 1, wherein the conveyance start position and the conveyance end position of the recording paper reversal conveyance path are different positions.
て、記録紙反転搬送経路の搬送開始位置と搬送終了位置
が同一位置であることを特徴とする記録紙反転装置。3. The recording paper reversing device according to claim 1, wherein the conveyance start position and the conveyance end position of the recording paper reversal conveyance path are the same position.
て、記録紙反転搬送経路の搬送開始位置においては、記
録紙反転搬送方向への搬送用コロのみが接離可能に設置
され、再給紙方向への搬送用コロは設置されていないこ
とを特徴とする記録紙反転装置。4. The recording paper reversing device according to claim 1, wherein at the conveyance start position of the recording paper reversal conveyance path, only the conveyance roller in the recording paper reversal conveyance direction is installed so that it can be contacted and separated, A recording paper reversing device, which is characterized in that no rollers for conveying in the paper direction are installed.
て、記録紙反転搬送経路の搬送終了位置においては、再
給紙方向への搬送用コロのみが接離可能に設置され、記
録紙反転搬送方向への搬送用コロは設置されていないこ
とを特徴とする記録紙反転装置。5. The recording paper reversing device according to claim 1, wherein at the conveyance end position of the recording paper reversal conveyance path, only a conveyance roller in the re-feeding direction is installed so as to be able to come into contact with and separate from the recording paper reversal conveyance path. A recording paper reversing device, which is characterized in that a conveying roller in the conveying direction is not installed.
て、記録紙反転搬送経路の搬送終了位置においては、搬
送用コロが設置されておらず、再給紙方向への搬送開始
は記録紙の自重による自由落下により行うことを特徴と
する記録紙反転装置。6. The recording paper reversing device according to claim 1, wherein a conveyance roller is not installed at a conveyance end position of the recording paper reversal conveyance path, and the conveyance start in the sheet re-feeding direction is started. A recording paper reversing device, which is characterized by performing free fall due to its own weight.
転装置において、記録紙反転搬送経路の搬送終了位置に
おいて、記録紙反転搬送方向の突き当てフェンスが可動
であり、記録紙サイズに応じて記録紙幅方向の位置調整
が可能なことを特徴とする記録紙反転装置。7. The recording paper reversing device according to claim 1, 5 or 6, wherein the abutting fence in the recording paper reversal conveyance direction is movable at the conveyance end position of the recording paper reversal conveyance path, and the recording paper size is changed. A recording paper reversing device, which is capable of position adjustment in the recording paper width direction in accordance with the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8103843A JPH09267528A (en) | 1996-03-29 | 1996-03-29 | Recording paper reversing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8103843A JPH09267528A (en) | 1996-03-29 | 1996-03-29 | Recording paper reversing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09267528A true JPH09267528A (en) | 1997-10-14 |
Family
ID=14364722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8103843A Pending JPH09267528A (en) | 1996-03-29 | 1996-03-29 | Recording paper reversing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09267528A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002019999A (en) * | 2000-05-17 | 2002-01-23 | Nexpress Solutions Llc | Method for aligning sheet-like material |
| US7445326B2 (en) | 2002-10-22 | 2008-11-04 | Ricoh Company, Ltd | Ink-jet recording apparatus, ink-jet copier and recording medium |
| JP2010260680A (en) * | 2009-05-01 | 2010-11-18 | Konica Minolta Business Technologies Inc | Image forming device |
| JP2011057381A (en) * | 2009-09-10 | 2011-03-24 | Fuji Xerox Co Ltd | Reversing device and image forming device |
| JP2012154958A (en) * | 2011-01-21 | 2012-08-16 | Konica Minolta Business Technologies Inc | Image forming device |
-
1996
- 1996-03-29 JP JP8103843A patent/JPH09267528A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002019999A (en) * | 2000-05-17 | 2002-01-23 | Nexpress Solutions Llc | Method for aligning sheet-like material |
| US7445326B2 (en) | 2002-10-22 | 2008-11-04 | Ricoh Company, Ltd | Ink-jet recording apparatus, ink-jet copier and recording medium |
| US7673980B2 (en) | 2002-10-22 | 2010-03-09 | Ricoh Company, Ltd. | Ink-jet recording apparatus, ink-jet copier and recording medium |
| US8052274B2 (en) | 2002-10-22 | 2011-11-08 | Ricoh Company, Ltd. | Ink-jet recording apparatus, ink-jet copier and recording medium |
| JP2010260680A (en) * | 2009-05-01 | 2010-11-18 | Konica Minolta Business Technologies Inc | Image forming device |
| US8437684B2 (en) | 2009-05-01 | 2013-05-07 | Konica Minolta Business Technologies, Inc. | Image forming apparatus |
| JP2011057381A (en) * | 2009-09-10 | 2011-03-24 | Fuji Xerox Co Ltd | Reversing device and image forming device |
| JP2012154958A (en) * | 2011-01-21 | 2012-08-16 | Konica Minolta Business Technologies Inc | Image forming device |
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