JPH0413152B2 - - Google Patents
Info
- Publication number
- JPH0413152B2 JPH0413152B2 JP58167156A JP16715683A JPH0413152B2 JP H0413152 B2 JPH0413152 B2 JP H0413152B2 JP 58167156 A JP58167156 A JP 58167156A JP 16715683 A JP16715683 A JP 16715683A JP H0413152 B2 JPH0413152 B2 JP H0413152B2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- platen
- detection sensor
- stacker
- leading edge
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 45
- 238000007639 printing Methods 0.000 claims description 27
- 238000010586 diagram Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
- B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
Landscapes
- Handling Of Cut Paper (AREA)
- Controlling Sheets Or Webs (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はプリンターその他の印字装置のプラテ
ンに給紙スタツカーに積載収納したシート紙を１
枚づつ給送し、プラテンで印字後の用紙を排紙ス
タツカーに収納する印字装置用自動給紙装置に関
する。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for storing sheet paper stacked and stored in a paper feed stacker on a platen of a printer or other printing device.
This invention relates to an automatic paper feeder for a printing device that feeds sheets one by one and stores the paper after printing on a platen in a paper discharge stacker.
［従来の技術］
一般にプリンター等の印字装置は回転シリンダ
ーから成るプラテンに用紙を保持し、このプラテ
ンの部位で印字ヘツド例えば感熱印字素子、ドツ
ト印字素子等で印字している。[Prior Art] In general, a printing device such as a printer holds a sheet of paper on a platen consisting of a rotating cylinder, and prints on the platen using a printing head such as a thermal printing element, a dot printing element, etc.
かかる印字装置に複数枚のシート紙を収納する
給紙スタツカーと給紙手段及び印字後の用紙を収
納する排紙スタツカーと排紙ローラとを有する給
紙装置を取付けてプラテンに自動的に用紙を給送
及び排出収納するものが広く使用されている。 A paper feeding device having a paper stacker and a paper feeding means for storing a plurality of sheets of paper, and a paper ejection stacker and paper ejection roller for storing the printed paper is attached to such a printing device to automatically feed the paper to the platen. Feeding, discharging and storing devices are widely used.
この場合には本体印字装置と給紙装置との間の
連結、特に印字装置から給紙装置への用紙供給指
示信号及び供給停止指示信号の伝達が重要とな
る。 In this case, the connection between the main body printing device and the paper feeding device, especially the transmission of the paper supply instruction signal and the supply stop instruction signal from the printing device to the paper feeding device, is important.
特開昭53−6119号公報には、プラテンの用紙排
出側に用紙の検知センサーが配置され、用紙がプ
ラテンの回りを周回し、検知センサーによる用紙
先端の検知信号を基準に用紙の供給を停止すると
共に、検知センサーによる用紙後端の検知信号を
基準に次の用紙を供給する自動給紙装置が開示さ
れている。 JP-A No. 53-6119 discloses that a paper detection sensor is placed on the paper discharge side of the platen, the paper revolves around the platen, and paper supply is stopped based on the detection signal of the leading edge of the paper from the detection sensor. Additionally, an automatic paper feeder is disclosed that feeds the next paper based on a detection signal of the trailing edge of the paper from a detection sensor.
［発明が解決しようとする課題］ しかし、上記従来例では、次の問題がある。[Problem to be solved by the invention] However, the above conventional example has the following problem.
用紙の検知センサーがプラテンの排出側に配置
されているので、給紙手段により左右蛇行して送
られてきた用紙は先端が左右不揃いのままプラテ
ンに食い込まれてしまい、印字品質が劣化する恐
れがある。 Since the paper detection sensor is located on the ejection side of the platen, there is a risk that paper that is fed in a meandering manner from side to side by the paper feeder will be bitten into the platen with the leading edge unevenly left and right, resulting in deterioration of print quality. be.
また、プラテンの用紙排出側に配置された検知
センサーによる用紙後端の検知信号を基準に次の
用紙をプラテンに供給するから、次の用紙供給ま
での時間損失が大きく、用紙供給の効率が劣る問
題がある。 In addition, since the next sheet of paper is fed to the platen based on the detection signal of the trailing edge of the paper from a detection sensor placed on the paper ejection side of the platen, there is a large time loss until the next sheet is fed, and paper feeding efficiency is poor. There's a problem.
本発明は上記に鑑み給紙装置と印字装置との間
の給紙タイミングの制御を検知センサーにより正
確に行う装置において、用紙先端左右を揃えるレ
ジスト修正を行うことができ、また連続的に用紙
を供給でき効率的な印字作業をもたらすことがで
きる印字装置用自動給紙装置の提供をその主な目
的としている。 In view of the above, the present invention is an apparatus that accurately controls the timing of paper feeding between a paper feeding device and a printing device using a detection sensor. Its main objective is to provide an automatic paper feeder for a printing device that can provide efficient printing operations.
［課題を解決するための手段］
上記目的を解決するために、本発明は、プラテ
ンと該プラテンに圧接したピンチローラとの用紙
進入口より給紙装置寄りの給紙方向手前側に用紙
の検知センサーを設け、この検知センサーからの
給紙スタツカーから繰出された用紙先端の検知信
号を基準にこれより遅れて給紙手段を停止するこ
とで用紙先端を上記進入口に突き当て、上記進入
口と上記給紙手段との間で用紙を湾曲させると共
に、該検知センサーからの用紙後端通過の検知信
号を基準に上記給紙手段を起動せしめて次の用紙
を給紙スタツカーから繰出すように構成されてい
る。[Means for Solving the Problem] In order to solve the above object, the present invention detects paper on the front side in the paper feeding direction, closer to the paper feeding device than the paper entrance of the platen and the pinch roller pressed against the platen. A sensor is provided, and the paper feeding means is stopped with a delay based on the detection signal of the leading edge of the paper fed out from the paper feed stacker from this detection sensor, so that the leading edge of the paper hits the above-mentioned entrance port, and the leading edge of the paper is brought into contact with the above-mentioned entrance port. The configuration is configured to bend the paper between the sheets and the paper feed means, and to activate the paper feed means based on a detection signal from the detection sensor indicating that the trailing edge of the paper has passed, and to feed the next sheet from the paper feed stacker. has been done.
［作用］
本発明は、給紙手段により給紙スタツカーから
繰出された用紙先端を用紙侵入口より給紙装置寄
りの給紙方向手前側に配置した検知センサーが検
知し、その検知信号を基準にこれより遅れて給紙
手段を停止することで用紙先端を上記進入口に突
き当て、上記進入口と上記給紙手段との間で用紙
を湾曲させるので、用紙先端左右を揃えるレジス
ト修正を行うことができる。[Function] In the present invention, a detection sensor disposed on the front side in the paper feeding direction, closer to the paper feeding device than the paper entry opening, detects the leading edge of the paper fed out from the paper stacker by the paper feeding means, and the detection signal is used as a reference. By stopping the paper feeding means later than this, the leading edge of the paper abuts against the inlet, and the paper is curved between the inlet and the paper feeding means, so registration correction is performed to align the left and right edges of the leading edge of the paper. I can do it.
また、用紙進入口より給紙装置寄りの給紙方向
手前側に配置した検知センサーによる用紙後端の
検知信号を基準に給紙手段を起動し次の用紙をプ
ラテンに供給するから、従来のプラテンから排出
した用紙後端を検出して次の用紙を供給するもの
に比べより連続的に用紙を供給でき効率的な印字
作業をもたらすことができる。 In addition, the paper feeding means is started based on the detection signal of the trailing edge of the paper from the detection sensor placed on the front side in the paper feeding direction, closer to the paper feeding device than the paper entrance, and the next paper is fed to the platen. Compared to a system that detects the trailing edge of a sheet ejected from the paper and supplies the next sheet, it is possible to supply sheets more continuously, resulting in more efficient printing work.
［実施例］
以下図示の一実施例に基づいてその構成を詳述
する。[Example] The configuration will be described below in detail based on an example shown in the drawings.
全体記号Ａで示す印字装置はプラテン１と、該
プラテン１にしたがつて左右行方向に往復動自在
のヘツドキヤリツジ２と、該キヤリツジ２に装備
された印字ヘツド３とを備え、ヘツドキヤリツジ
２はフレームに取付けた軸にしたがつて左右往復
動するようステツピングモーターに連結され該モ
ータの制御により各印字位置に歩進するようにな
つている。図示のプラテン１は回転シリンダーで
構成してあり、回転軸１ａを中心にステツピング
モーター（図示せず）で所定角づつ回転しヘツド
の往復動による印字にともなつて用紙を行送りす
るようになつている。 The printing device indicated by the general symbol A includes a platen 1, a head carriage 2 that can reciprocate in the left and right directions according to the platen 1, and a print head 3 mounted on the carriage 2. The head carriage 2 is mounted on a frame. It is connected to a stepping motor so as to reciprocate left and right along an attached shaft, and is controlled by the motor to step to each printing position. The platen 1 shown in the figure is composed of a rotating cylinder, which rotates by a predetermined angle around a rotating shaft 1a by a stepping motor (not shown), and feeds the paper in line with the printing by the reciprocating movement of the head. It's summery.
４はプラテン１に圧接したピンチローラであ
る。 A pinch roller 4 is pressed against the platen 1.
全体記号Ｂで示す給紙装置は給紙スタツカー５
とこのスタツカー５から用紙を一枚づつ分離給送
するローラ、ベルト等の給紙手段６と、排紙スタ
ツカー７と、このスタツカー７に用紙を排出する
排紙ローラ８及び給紙スタツカー５から印字装置
のプラテン１に至る給紙路９とプラテン１から排
紙スタツカー７に至る排紙路１０とから構成され
ている。 The paper feed device indicated by the overall symbol B is the paper feed stacker 5.
A paper feeding means 6 such as a roller or belt that separates and feeds the sheets one by one from the stacker 5, a paper discharge stacker 7, a paper discharge roller 8 that discharges the paper to the stacker 7, and printing from the paper feed stacker 5. It consists of a paper feed path 9 leading to the platen 1 of the apparatus and a paper discharge path 10 leading from the platen 1 to a paper discharge stacker 7.
そして装置フレーム１１を前記印字装置Ａに取
付けて給紙スタツカー５に積載収納した用紙を１
枚づつプラテンに送り、印字後の用紙を排紙スタ
ツカー７に収納するようになつている。 Then, the apparatus frame 11 is attached to the printing apparatus A, and the sheets loaded and stored in the paper feed stacker 5 are placed one by one.
The paper is fed one by one to a platen, and the paper after printing is stored in a paper discharge stacker 7.
給紙スタツカー５は２つの紙載台５１，５２を
上下２段に並置して構成され、サイズの異なる２
種類の用紙を選択的に送り出せるようにしてあ
る。５１ａ，５１ｂは各紙載台の用紙側縁ガイド
である。各紙載台５１，５２にはそれぞれローラ
から成る給紙手段６が紙載台５１，５２の先端上
部に配置してあり駆動モータＭに第４図の如く連
結されている。 The paper feed stacker 5 is composed of two paper stackers 51 and 52 arranged side by side in two stages, one above the other.
It is possible to selectively send out different types of paper. 51a and 51b are paper side edge guides of each paper mounting table. A paper feeding means 6 consisting of a roller is disposed above the tip of each paper mounting table 51, 52, and is connected to a drive motor M as shown in FIG. 4.
この駆動モータＭは正逆転可能なリバーシブル
モーターで構成され、第１及び第２の給ローラ６
にその一方が給紙繰出し方向に回転するとき（図
示実線矢印方向）は他方は繰出し方向とは異なる
方向に回転するよう（図示破線矢印方向）に連結
されている。１２は逆転用ギアーである。 This drive motor M is composed of a reversible motor capable of forward and reverse rotation, and is connected to the first and second feed rollers 6.
They are connected so that when one of them rotates in the paper feeding direction (in the direction of the solid line arrow in the figure), the other rotates in a direction different from the feeding direction (in the direction of the broken line in the figure). 12 is a reverse gear.
そして各給紙ローラ６には給紙繰出し方向のみ
回転を許容するワンウエイクラツチ６１がローラ
６とその支軸６２との間に内蔵してある。 Each paper feed roller 6 has a built-in one-way clutch 61 between the roller 6 and its support shaft 62, which allows rotation only in the paper feeding direction.
従つて駆動モータＭを第４図反時計方向に回転
するときは同図面下側の給紙ローラ６は用紙繰出
し方向に回転し、上側の給紙ローら６には破線矢
印方向の繰出し方向とは逆の回転が伝えられるが
ワンウエイクラツチ６１でその回転は伝達されず
静止状態を維持する。 Therefore, when the drive motor M is rotated counterclockwise in FIG. 4, the paper feed roller 6 on the lower side of the figure rotates in the paper feeding direction, and the paper feed roller 6 on the upper side rotates in the paper feeding direction in the direction of the dashed arrow. Although the opposite rotation is transmitted, the one-way clutch 61 does not transmit that rotation and maintains a stationary state.
駆動モータＭを時計方向に移転するときは、逆
に下側の給紙ローラは静止し、上側の給紙ローラ
のみ用紙繰出し方向に回転する。そこで駆動モー
タＭを正逆又は逆転させることによつて上下いず
れか一方の給紙手段６を回転させることが可能と
なり上下２つの紙載台５１，５２上の用紙を選択
的に繰出すことができる。 When the drive motor M is moved clockwise, the lower paper feed roller remains stationary, and only the upper paper feed roller rotates in the paper feeding direction. Therefore, by rotating the drive motor M forward or backward, it is possible to rotate either the upper or lower sheet feeding means 6, and the sheets on the upper and lower paper trays 51 and 52 can be selectively fed out. can.
図示実施例の紙載台５１，５２は装置フレーム
１１に後端部５１a′，５２a′側を軸５３ａ，５３
ｂで軸承し、上下動レバー５４，５５で支持して
先端部５１ａ，５１ｂ側を揺動自在にしている。
そして上下動レバー５４，５５には常時紙載台５
１，５２を給紙手段６側に付勢するスプリング５
６，５７が装置フレーム１１との間に架け渡して
あり、このスプリング５６，５７の力が上下動レ
バー５４，５５に作用し紙載台５１，５２を常時
給紙ローラ６に弾圧している。 The paper mounting tables 51 and 52 of the illustrated embodiment have rear end portions 51a' and 52a' attached to the apparatus frame 11 with shafts 53a and 53.
b, and supported by vertically moving levers 54, 55, making the tip portions 51a, 51b swingable.
And the vertical movement levers 54 and 55 are always provided with a paper loading table 5.
1 and 52 toward the paper feeding means 6 side
6 and 57 are bridged between the device frame 11 and the force of these springs 56 and 57 acts on the vertical movement levers 54 and 55 to constantly press the paper trays 51 and 52 against the paper feed roller 6. .
これと共に上下動レバー５４，５５には用紙装
填時の操作レバー１３がスプリング５６，５７の
力に抗して上下動レバー５４，５５を第２図イの
状態に下降させるように係合してある。 At the same time, the operation lever 13 at the time of paper loading is engaged with the vertical movement levers 54, 55 so as to resist the force of the springs 56, 57 and lower the vertical movement levers 54, 55 to the state shown in FIG. 2A. be.
従つて、操作レバー１３を第２図ロの状態にセ
ツトすると紙載台５１，５２はスプリング５６，
５７で給紙ローラ６側に押し上げられ紙載台５
１，５２上の用紙の最上紙は給紙ローラ６に圧接
される。 Therefore, when the operating lever 13 is set to the state shown in FIG.
57, the paper loading table 5 is pushed up toward the paper feed roller 6 side.
The topmost sheet of the sheets on sheets 1 and 52 is pressed against the sheet feeding roller 6.
駆動モータＭを使用者の用紙選択信号で正転又
は逆転させると紙載台５１，５２の選択した側の
給紙手段６が最上紙をプラテン１側に繰出し、分
離ツメ５８，５９で最上紙のみが分離され給紙路
９に送り出される。 When the drive motor M is rotated forward or reverse in response to the user's paper selection signal, the paper feeding means 6 on the selected side of the paper stacks 51 and 52 feeds the top paper to the platen 1 side, and the separation claws 58 and 59 remove the top paper. Only the paper is separated and sent to the paper feed path 9.
かかる構造において本発明は、プラテン１とこ
のプラテン１に圧接したピンチローラ４との用紙
進入口Ｐより給紙装置寄りの給紙方向手前側に用
紙の検知センサーＳを設け、この検知センサーＳ
からの用紙先端検知信号を基準として前記給紙手
段６を停止することで用紙先端を上記進入口に突
き当て、上記進入口と上記給紙手段との間で用紙
を湾曲させ、この検知センサーＳからの用紙後端
の検知信号を基準として給紙手段６を起動せしめ
るようにしたものである。 In such a structure, the present invention provides a paper detection sensor S on the front side in the paper feeding direction nearer to the paper feeder than the paper entrance port P of the platen 1 and the pinch roller 4 pressed against the platen 1, and this detection sensor S
By stopping the paper feeding means 6 based on the paper leading edge detection signal from the sensor S, the leading edge of the paper is brought into contact with the inlet, the paper is curved between the inlet and the paper feeding means, and this detection sensor S The paper feed means 6 is activated based on the detection signal of the trailing edge of the paper from the paper feeder 6.
図示センサーＳは通常のホトセンサーで構成し
てあるがリミツトスイツチのアクチユエーターを
この部位に臨ませても良い。 Although the illustrated sensor S is constituted by a normal photosensor, the actuator of a limit switch may also be placed in this position.
そこで検知センサーＳは次の働きをするように
それぞれの機構部に連結されている。 Therefore, the detection sensor S is connected to each mechanical part so as to perform the following functions.
(イ) この検知センサーＳに用紙が存在しないとき
前記給紙手段６の駆動モータＭを起動するこ
と、つまりプラテン１に送られた用紙の後端が
通過して用紙無しを検出したとき駆動モータＭ
を起動するように電気的に連結してある。(a) When there is no paper present at this detection sensor S, the drive motor M of the paper feed means 6 is activated, that is, when the trailing edge of the paper sent to the platen 1 passes and no paper is detected, the drive motor M is activated. M
It is electrically connected to activate the .
従つて装置電源を投入したとき、或いは用紙
経路のいずれかで用紙詰まりが発生しその処理
後のジヤムリセツトが働いたとき、センサーＳ
位置に用紙は存在しないから検知センサーＳか
らの信号で給紙手段６が起動し最初の用紙をプ
ラテン１に向けて送り出すこととなる。 Therefore, when the device is turned on, or when a paper jam occurs in any of the paper paths and the jam reset is activated after the paper jam is cleared, the sensor S
Since there is no paper at the position, the paper feeding means 6 is activated by a signal from the detection sensor S, and the first paper is fed toward the platen 1.
(ロ) 検知センサーＳに用紙が存在するとき前記給
紙手段６の駆動モータＭが停止する。つまり検
知センサーＳに用紙先端が到達したときの用紙
有りの信号を基準に駆動モータＭを停止するよ
うに電気的に連結してあり、用紙先端がプラテ
ン１の進入口Ｐに突き当たり用紙が所定量過剰
に送られて湾曲するように検知センサーＳの信
号をタイマー手段（第５図タイマーT1）を介
して所定時間遅れてから駆動モータＭを停止す
るようになつている。(b) When paper is present at the detection sensor S, the drive motor M of the paper feeding means 6 stops. In other words, the driving motor M is electrically connected to stop the drive motor M based on the paper presence signal when the leading edge of the paper reaches the detection sensor S, and the leading edge of the paper hits the entrance P of the platen 1 and the paper reaches a predetermined amount. The drive motor M is stopped after the signal from the detection sensor S is delayed for a predetermined period of time via a timer means (timer T 1 in FIG. 5) so that the signal is excessively sent and curved.
更に、タイマー手段（第５図タイマーT2）
を介して所定時間遅れてからプラテン１を駆動
するようになつている。 Furthermore, timer means (timer T 2 in Figure 5)
The platen 1 is driven after a predetermined time delay.
また、この検知センサーＳからの用紙後端の
検知信号を基準として給紙手段６を起動せしめ
るようになつている。 Further, the paper feeding means 6 is activated based on the detection signal of the trailing edge of the paper from the detection sensor S.
尚上記(イ)(ロ)いずれの場合も検知センサーＳから
の信号で駆動モータＭを起動或いは停止制御する
必要はなく、例えば常時回転する駆動モータＭと
給紙手段６との間のクラツチ、例えば電磁クラツ
チを離接する構造であつても良い。 In any of the above cases (a) and (b), there is no need to control the drive motor M to start or stop using the signal from the detection sensor S. For example, the structure may be such that the electromagnetic clutch is moved into and out of contact with each other.
(ハ) 給紙手段６が起動してから所定時間経過して
も検知センサーＳで用紙（先端）を検出しなけ
れば用紙詰まりとして給紙手段６を停止する。
図示のものは駆動モータＭが起動したときジヤ
ムタイマー（第５図）が作動開始し、用紙が検
知センサーＳの位置に到達する見込み時間経過
したとき検知センサーＳが用紙を検出していな
ければ用紙ジヤムとみなしその信号を駆動モー
タＭに送つて停止させる。(c) If the paper (leading edge) is not detected by the detection sensor S even after a predetermined period of time has elapsed since the paper feeding means 6 was activated, the paper feeding means 6 is stopped as a paper jam.
In the illustrated case, the jam timer (Fig. 5) starts operating when the drive motor M starts, and if the paper is not detected by the detection sensor S when the estimated time for the paper to reach the position of the detection sensor S has elapsed, the paper is jammed. It is recognized as a jam and a signal thereof is sent to the drive motor M to stop it.
これと共に印字装置側の全ての動作を停止す
ると共にジヤム表示をおこなうようになつてい
る。 At the same time, all operations on the printing device side are stopped and a jam display is displayed.
(ニ) プラテン１は印字に伴つて行送り方向に間欠
的に回転するが、このプラテン１が所定回転し
用紙後端が検知センサーＳを通過する見込み送
り量を経過しても経過センサーＳが用紙を検出
するときは用紙ジヤムとみなし印字装置の全て
の動作を停止する。(d) The platen 1 rotates intermittently in the line feed direction as printing is performed, but even if the platen 1 rotates a predetermined amount and the trailing edge of the paper passes the detection sensor S, the progress sensor S does not When paper is detected, it is assumed that the paper is jammed and all operations of the printing device are stopped.
プラテン１のステツピングモーター（図示せ
ず）には印字行送り方向のパルス数をカウント
するカウンターが設けてあり、このカウント量
と１パルス当たりの送り量（ピツチ）とを演算
して最大サイズの用紙送り量を超えたとき、検
知センサーＳが用紙を検出すればジヤム信号を
発するようになつている。 The stepping motor (not shown) of platen 1 is equipped with a counter that counts the number of pulses in the print line feed direction, and this count and the feed amount per pulse (pitch) are calculated to determine the maximum size. When the paper feed amount is exceeded and the detection sensor S detects the paper, a jam signal is generated.
尚、本発明にあつては検知センサーＳは印字
装置Ａ側に設けても、給紙装置Ｂ側に設けても
良いことは勿論である。 In the present invention, it goes without saying that the detection sensor S may be provided on the printing device A side or on the paper feeding device B side.
［発明の効果］ 本発明によれば、次の効果を奏する。[Effect of the invention] According to the present invention, the following effects are achieved.
給紙手段により給紙スタツカーから繰出された
用紙先端を用紙進入口より給紙装置寄りの給紙方
向手前側に配置した検知センサーが検知し、その
検知信号を基準にこれより遅れて給紙手段を停止
することで用紙先端を上記進入口に突き当て、上
記進入口と上記給紙手段との間で用紙を湾曲させ
るので、用紙先端左右を揃えるレジスト修正を行
うことができる。 A detection sensor placed on the front side in the paper feed direction, closer to the paper feeder than the paper inlet, detects the leading edge of the paper fed out from the paper stacker by the paper feeder, and the paper feeder detects the leading edge of the paper fed out from the paper stacker after a delay based on the detection signal. By stopping the paper, the leading edge of the paper abuts against the inlet, and the paper is curved between the inlet and the paper feeding means, so that registration correction can be performed to align the left and right edges of the paper.
また、用紙進入口より給紙装置寄りの給紙方向
手前側に配置した検知センサーによる用紙後端の
検知信号を基準に給紙手段を起動し次の用紙をプ
ラテンに供給するから、従来のプラテンから排出
した用紙後端を検出してから次の用紙を供給する
ものに比べより連続的に用紙を供給でき効率的な
印字作業をもたらすことができる。 In addition, the paper feeding means is started based on the detection signal of the trailing edge of the paper from the detection sensor placed on the front side in the paper feeding direction, closer to the paper feeding device than the paper entrance, and the next paper is fed to the platen. Compared to a system that detects the trailing edge of a paper ejected from the paper and then supplies the next paper, it is possible to supply paper more continuously, resulting in more efficient printing work.
図面は本発明の一実施例を示し、第１図は装置
全体の説明図、第２図イ，ロは給紙部の説明図、
第３図イ，ロ，ハは要部作動状態の説明図、第４
図は駆動系の説明図、第５図は制御系のタイミン
グチヤートである。
１……プラテン、３……印字ヘツド、４……ピ
ンチローラ、５……給紙スタツカー、６……給紙
手段、７……排紙スタツカー、Ｐ……プラテンの
用紙侵入口。
The drawings show one embodiment of the present invention, in which Fig. 1 is an explanatory diagram of the entire device, Fig. 2 A and B are explanatory diagrams of the paper feeding section,
Figure 3 A, B, and C are explanatory diagrams of the operating states of the main parts, and Figure 4
The figure is an explanatory diagram of the drive system, and FIG. 5 is a timing chart of the control system. 1... Platen, 3... Print head, 4... Pinch roller, 5... Paper feed stacker, 6... Paper feeding means, 7... Paper discharge stacker, P... Paper entry port of platen.
Claims (1)
印字装置に給紙スタツカーと排紙スタツカーとを
延設配置し、この給紙スタツカーから給紙手段で
用紙を１枚づつプラテンに給送し、印字後の用紙
をプラテンから排紙スタツカーに排出する自動給
送装置において、上記プラテンと該プラテンに圧
接したピンチローラとの用紙進入口より給紙装置
寄りの給紙方向手前側に用紙の検知センサーを設
け、この検知センサーからの上記給紙スタツカー
から繰出された用紙先端の検知信号を基準にこれ
より遅れて上記給紙手段を停止することで用紙先
端を上記進入口に突き当てて、その先端左右を揃
えるレジスト修正を行うと共に、該検知センサー
からの用紙後端通過の検知信号を基準に上記給紙
手段を起動せしめて次の用紙を給紙スタツカーか
ら繰出すようにした印字装置用自動給紙装置。1. A paper feed stacker and a paper discharge stacker are arranged in an extended manner in a printing device having a platen equipped with an appropriate print head, and sheets are fed one by one from the paper feed stacker to the platen by a paper feed means, and after printing, In an automatic feeding device that discharges paper from a platen to a paper stacker, a paper detection sensor is provided on the front side in the paper feeding direction closer to the paper feeding device than the paper entrance between the platen and the pinch roller pressed against the platen. Based on the detection signal of the leading edge of the paper fed out from the paper feed stacker from this detection sensor, the paper feeding means is stopped at a later time than this, so that the leading edge of the paper hits the entrance opening, and the left and right sides of the leading edge are stopped. An automatic paper feeding device for a printing device, which performs registration correction for alignment, and also activates the paper feeding means based on a detection signal from the detection sensor that the trailing edge of the paper has passed, and feeds out the next paper from a paper feed stacker. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16715683A JPS6056580A (en) | 1983-09-09 | 1983-09-09 | Automatic paper feeder for printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16715683A JPS6056580A (en) | 1983-09-09 | 1983-09-09 | Automatic paper feeder for printing apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15057590A Division JPH03227852A (en) | 1990-06-09 | 1990-06-09 | Automatic paper feeder for printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6056580A JPS6056580A (en) | 1985-04-02 |
| JPH0413152B2 true JPH0413152B2 (en) | 1992-03-06 |
Family
ID=15844457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16715683A Granted JPS6056580A (en) | 1983-09-09 | 1983-09-09 | Automatic paper feeder for printing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6056580A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0654939B2 (en) * | 1985-02-06 | 1994-07-20 | 日本電信電話株式会社 | Equipment |
| JPH0654938B2 (en) * | 1985-02-06 | 1994-07-20 | 日本電信電話株式会社 | Equipment |
| DE3512419A1 (en) * | 1985-04-04 | 1986-10-16 | Helmut Steinhilber | DEVICE FOR FEEDING SINGLE SHEETS TO THE PRINTER ROLLER OF A PRINTER |
| JP2547724B2 (en) * | 1985-06-19 | 1996-10-23 | キヤノン株式会社 | Recording device |
| JPH0289732A (en) * | 1988-09-26 | 1990-03-29 | Mutoh Ind Ltd | Paper feeding device |
| JPH0318525A (en) * | 1989-06-15 | 1991-01-28 | Fujitsu Ltd | Automatic paper feeding device for printing device |
| JP3006061B2 (en) * | 1990-09-21 | 2000-02-07 | キヤノン株式会社 | Recording device |
| US20140268196A1 (en) * | 2013-03-12 | 2014-09-18 | Konica Minolta Laboratory U.S.A., Inc. | Method and apparatus for calibrating a paper sensor to account for media holes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113975A (en) * | 1974-07-24 | 1976-02-03 | Omron Tateisi Electronics Co | MAIKURO SUITSUCHI |
| JPS536119A (en) * | 1976-07-01 | 1978-01-20 | Hy Grip Products Co | Sheet feeding mechanism for automatic typewriter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722276Y2 (en) * | 1976-12-29 | 1982-05-14 | ||
| JPS54102207U (en) * | 1977-12-27 | 1979-07-19 |
-
1983
- 1983-09-09 JP JP16715683A patent/JPS6056580A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113975A (en) * | 1974-07-24 | 1976-02-03 | Omron Tateisi Electronics Co | MAIKURO SUITSUCHI |
| JPS536119A (en) * | 1976-07-01 | 1978-01-20 | Hy Grip Products Co | Sheet feeding mechanism for automatic typewriter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6056580A (en) | 1985-04-02 |
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