JPH09141962A - Printer and control method therefor - Google Patents
Printer and control method thereforInfo
- Publication number
- JPH09141962A JPH09141962A JP30172095A JP30172095A JPH09141962A JP H09141962 A JPH09141962 A JP H09141962A JP 30172095 A JP30172095 A JP 30172095A JP 30172095 A JP30172095 A JP 30172095A JP H09141962 A JPH09141962 A JP H09141962A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- recording paper
- printing
- printer
- 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
- Character Spaces And Line Spaces In Printers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は印字行に対して平行
な方向に印字ヘッドを移動させながら文字を印刷する、
プリンタの記録紙検出方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention prints characters while moving a print head in a direction parallel to a print line.
The present invention relates to a recording paper detection method for a printer.
【０００２】[0002]
【従来の技術】図２は従来技術のプリンタの概路断面図
である。記録紙５はプラテン３とフレーム４によって形
成された紙経路をＡ方向より挿入され、Ｂ方向へ排出さ
れる。紙送りローラ６には紙押さえローラ７が紙押さえ
ばね８によって押圧され、紙送りローラ６の摩擦力によ
り記録紙５の送出が行われる。プラテン３には記録紙５
が紙経路を通って印字位置３ａに到達した事を確認す
る、反射型フォトセンサ１３が１個具備されている。１
０は紙ガイドであり記録紙５の印字ヘッド１１側への倒
れを防いでいる。１２は紙カッタであり排出された記録
紙５を図中の一点鎖線に示すように、Ｃ方向へ引っ張っ
てカットする為のものである。2. Description of the Related Art FIG. 2 is a schematic sectional view of a conventional printer. The recording paper 5 is inserted in the paper path formed by the platen 3 and the frame 4 from the A direction and is discharged in the B direction. The paper pressing roller 7 is pressed against the paper feeding roller 6 by the paper pressing spring 8, and the recording paper 5 is fed by the frictional force of the paper feeding roller 6. Recording paper 5 on the platen 3
1 is provided with a reflection type photo sensor 13 for confirming that the sheet has reached the printing position 3a through the paper path. 1
Reference numeral 0 denotes a paper guide which prevents the recording paper 5 from falling toward the print head 11 side. Reference numeral 12 is a paper cutter for pulling and cutting the discharged recording paper 5 in the C direction as shown by the dashed line in the figure.
【０００３】本図にて分かるように、印字を開始するた
めには記録紙５を挿入し印字位置３ａに到達した事を反
射型フォトセンサ１３の信号変化により確認した後、印
字ヘッド１１を駆動して印字を行う。ところが、記録紙
５の形状が図３（ａ）の１６に示すように左右端面が印
字行に対して直角であるロール紙叉はＡ４判等の単票用
紙１６であれば、印字開始前に使用者が紙幅をプリンタ
コントローラへ入力した後、記録紙の紙送りを開始して
プラテン３に固定された反射型フォトセンサ１３で、記
録紙１６が紙経路を通って印字位置３ａに到達した事を
確認する事で、記録紙１６の紙幅内で所望の位置から印
字の打ち出しを開始する事が出来たが、記録紙５の形状
が図３（ｂ）の１６ａの様に左右の端面が印字行に対し
て直角でない変形の記録紙を使用した場合には、記録紙
１６ａが紙経路を通って印字位置３ａに到達した事を確
認する１個の反射型フォトセンサ１３では記録紙１６ａ
の紙幅まで確認できないため、記録紙１６ａに印字をし
た場合は印字された文字が記録紙１６ａの紙幅外へはみ
出してしまう。これらの課題を防止するため記録紙の紙
幅を検出する手段として、前記印字位置３ａの印字行に
対して平行な位置に複数個の反射型フォトセンサ（図示
せず）を具備し、左右端面が印字行に対して直角でない
変形の記録紙１６ａを使用した場合にも紙幅を確認する
事が出来る検出方法を行っていた。As can be seen from this figure, in order to start printing, the recording paper 5 is inserted, and after confirming that the recording position 5a has been reached by the signal change of the reflection type photo sensor 13, the print head 11 is driven. And print. However, if the shape of the recording paper 5 is a roll paper or a single-cut paper 16 such as A4 size whose right and left end faces are at right angles to the printing line as shown in 16 of FIG. After the user inputs the paper width to the printer controller, the recording paper 16 reaches the printing position 3a through the paper path by the reflection type photo sensor 13 fixed to the platen 3 by starting the paper feeding of the recording paper. By confirming that, it was possible to start printing from a desired position within the width of the recording paper 16, but the shape of the recording paper 5 was printed on the left and right end surfaces as shown in 16a of FIG. 3 (b). When a recording paper that is deformed at a right angle to the line is used, the recording paper 16a is not detected by the single reflective photosensor 13 that confirms that the recording paper 16a has reached the printing position 3a through the paper path.
Since it is not possible to confirm up to the paper width of, the printed characters run outside the paper width of the recording paper 16a when printed on the recording paper 16a. In order to prevent these problems, a plurality of reflective photosensors (not shown) are provided at positions parallel to the print line at the print position 3a as means for detecting the paper width of the recording paper. Even when the recording paper 16a which is deformed at a right angle to the print line is used, the detection method capable of confirming the paper width has been performed.
【０００４】[0004]
【発明が解決しようとする課題】しかし、前述の従来技
術では次のような欠点があった。However, the above-mentioned conventional technique has the following drawbacks.
【０００５】（１）記録紙の左右端面が印字行に対して
直角であるロール紙叉はＡ４判等の単票用紙を使用する
際に、印字の打ち出し位置及び印字行の印字終了位置を
紙幅の中に納めるため、紙送り前に使用者が紙幅をプリ
ンタコントローラに入力する操作が必要となり、使い勝
手が悪かった。(1) When a roll paper or a single-cut sheet such as A4 size is used, the left and right end surfaces of the recording paper are at right angles to the print line, and the print start position and the print end position of the print line are set to the paper width. In order to store the paper in the printer controller, the user needs to input the paper width into the printer controller before feeding the paper, which is not convenient.
【０００６】（２）記録紙の左右端面が印字行に対して
直角でない変形の記録紙を使用した場合には、フレーム
に具備された１個の反射型フォトセンサでは記録紙の印
字の打ち出し位置及びその行の終了位置を確認する事が
出来ず、印字された文字が記録紙の紙幅外へはみ出して
印字がカットされてしまう。(2) When the recording paper is deformed such that the left and right end surfaces of the recording paper are not at right angles to the printing line, one reflection type photosensor provided in the frame is used to print out the recording paper. Also, the end position of the line cannot be confirmed, and the printed characters run off the width of the recording paper and the printing is cut.
【０００７】また、記録紙の紙幅を検出しようとして複
数個の反射型フォトセンサを取り付けると上記問題は解
決するが、下記のような欠点が発生する。If a plurality of reflective photosensors are attached to detect the paper width of the recording paper, the above problem can be solved, but the following drawbacks occur.
【０００８】（１）フレームに複数個の反射型フォトセ
ンサを具備するために、センサー本体の部品コストアッ
プ及びフレームに取り付けるための実装コストアップが
生じた。(1) Since the frame is provided with a plurality of reflection type photosensors, the cost of parts for the sensor main body and the mounting cost for mounting the sensor body on the frame increase.
【０００９】本発明はこのような欠点を解決するために
なされたものであり、記録紙の左右端面が印字行に対し
て直角でない変形の記録紙を用いて印字を行う場合で
も、記録紙の紙幅をプリンタコントローラに入力する操
作が不要で且つ、記録紙の紙幅の中に確実に印字可能な
使い勝手の良いコストパフォーマンスの高いプリンタを
提供する事を目的とする。The present invention has been made in order to solve such a drawback, and even when printing is performed using a recording paper which is deformed so that the left and right end surfaces of the recording paper are not at right angles to the printing line, An object of the present invention is to provide a printer which does not require an operation of inputting a paper width to a printer controller and which can surely print within the paper width of a recording paper and which is easy to use and has high cost performance.
【００１０】[0010]
【課題を解決するための手段】上記の課題を解決するた
め、本発明のプリンタは、複数の印刷要素を有し記録紙
に印字を行う印字ヘッドと、前記記録紙を供給側から印
字手段を経て出口部へ案内する紙経路と、前記記録紙を
搬送する紙送り手段とを備えたプリンタにおいて、前記
印字ヘッドに前記記録紙の検出を行う反射型フォトセン
サを具備したことを特徴とする。In order to solve the above-mentioned problems, the printer of the present invention comprises a print head having a plurality of printing elements for printing on a recording paper, and a printing means for supplying the recording paper from the supply side. A printer having a paper path for guiding to the exit portion and a paper feeding means for conveying the recording paper is characterized in that the print head is provided with a reflection type photo sensor for detecting the recording paper.
【００１１】また、本発明のプリンタの制御方法は、前
記記録紙の第１の端部を検出する第１端部検出工程と、
該第１端部検出工程に続いて印字を開始する印字開始工
程と、前記記録紙の第２の端部を検出する第２端部検出
工程と、該第２端部検出工程に続いて印字を停止する印
字停止工程とを有することを特徴とする。Further, the printer control method of the present invention comprises a first edge detecting step of detecting the first edge of the recording paper,
A printing start step of starting printing following the first edge detection step, a second edge detection step of detecting the second edge of the recording paper, and a printing following the second edge detection step. And a printing stop step of stopping the printing.
【００１２】[0012]
【作用】本発明の上記の構成によれば、印字ヘッドに具
備された１個の反射型フォトセンサにより、記録紙の先
頭と紙幅を検索して記録紙の紙幅の中に確実に印字を行
う事が可能となり、使用できる記録紙の形状が広がると
共に、紙送り前に使用者が記録紙の紙幅の入力を行う工
数を省く事ができる。According to the above construction of the present invention, one reflection type photosensor provided in the print head retrieves the head and the paper width of the recording paper and surely prints within the paper width of the recording paper. This makes it possible to expand the shape of the recording paper that can be used and save the man-hours required for the user to input the width of the recording paper before feeding the paper.
【００１３】[0013]
【発明の実施の形態】図１は本発明の一実施例を示すプ
リンタの概路断面図である。プラテン３とフレーム４に
よって形成された紙経路を記録紙５がＡ方向から挿入さ
れ、Ｂ方向へ排出される。紙送りローラ６には紙押さえ
ローラ７が紙押さえばね８によって押圧され、紙送りロ
ーラ６の摩擦力により記録紙５の送出が行われる。１１
はインクジェットによる印字手段を有する印字ヘッドで
あり、図示されていない駆動機構によって、図の手前か
ら奥へ桁方向に往復動しながら、印字ノズル１８よりイ
ンクが吐出され、印字面３ａにて記録紙５への印字が行
われる。１０は紙ガイドであり記録紙５の印字ヘッド１
１側への倒れを防いでいる。１２は紙カッタであり排出
された記録紙５を図中の一点鎖線に示すように、Ｃ方向
へ引っ張ってカットする為のものである。印字ヘッドに
はインクを吐出し記録紙５へ印字するための印字ノズル
１８と、該印字ノズル１８に近接して記録紙５が紙経路
を通って印字位置３ａに到達した事を確認する反射型フ
ォトセンサ１３が１個具備されている。1 is a schematic sectional view of a printer showing an embodiment of the present invention. The recording paper 5 is inserted from the direction A through the paper path formed by the platen 3 and the frame 4, and is discharged in the direction B. The paper pressing roller 7 is pressed against the paper feeding roller 6 by the paper pressing spring 8, and the recording paper 5 is fed by the frictional force of the paper feeding roller 6. 11
Is a print head having an ink jet printing means, and a drive mechanism (not shown) reciprocates from the front to the back in the figure in the direction of the girder to eject ink from the print nozzles 18 to print on the recording surface 3a. Printing to No. 5 is performed. A paper guide 10 is a print head 1 for the recording paper 5.
It prevents the fall to the 1st side. Reference numeral 12 is a paper cutter for pulling and cutting the discharged recording paper 5 in the C direction as shown by the dashed line in the figure. A print nozzle 18 for ejecting ink to the print head to print on the recording paper 5, and a reflection type for confirming that the recording paper 5 has reached the printing position 3a through a paper path in the vicinity of the printing nozzle 18. One photo sensor 13 is provided.
【００１４】本プリンタで印字を開始するためには、ま
ずＡ方向より記録紙５を挿入し紙送りを始める。紙送り
ローラー６と紙押さえローラー７により、フレーム４と
プラテン３によって形成された紙経路に添って記録紙５
をＢ方向へ送出する。紙送りと同時に反射型フォトセン
サ１３を具備した印字ヘッド１１を、桁方向に往復動す
る。印字ヘッド１１に具備した反射型フォトセンサ１３
は、印字位置３ａに記録紙５の先頭が到達すると信号波
形が変化し印字開始位置の確認が可能となる。In order to start printing with this printer, first, the recording paper 5 is inserted from the A direction and paper feeding is started. By the paper feed roller 6 and the paper pressing roller 7, the recording paper 5 is moved along the paper path formed by the frame 4 and the platen 3.
In the B direction. Simultaneously with the paper feeding, the print head 11 equipped with the reflective photo sensor 13 reciprocates in the digit direction. Reflective photo sensor 13 provided in print head 11
When the head of the recording paper 5 reaches the print position 3a, the signal waveform changes and the print start position can be confirmed.
【００１５】印字開始位置が確認された後に印字駆動回
路（図示せず）を投入し、印字ノズル１８よりインクを
吐出し記録紙５に印字を開始する。印字を開始した後も
桁方向に往復動する印字ヘッド１１に具備された反射型
フォトセンサ１３は、記録紙５の有無を信号波形により
確認する。反射型フォトセンサ１３の信号波形から、印
字位置３ａに記録紙５が無いと判断した場合は、印字駆
動回路を遮断し印字ノズル１８より出ているインクの吐
出を停止する。本動作により例えば記録紙５が図３
（ｂ）で示したように記録紙の左右端面が印字行に対し
て直角でない形状であっても、紙幅内に確実に印字する
事が可能となる。After the print start position is confirmed, a print drive circuit (not shown) is turned on to eject ink from the print nozzle 18 to start printing on the recording paper 5. The reflective photosensor 13 provided in the print head 11 that reciprocates in the digit direction even after printing is started confirms the presence or absence of the recording paper 5 by a signal waveform. When it is determined from the signal waveform of the reflective photosensor 13 that the recording sheet 5 is not present at the print position 3a, the print drive circuit is shut off and the ejection of ink from the print nozzle 18 is stopped. By this operation, for example, the recording paper 5 is changed to the one shown in FIG.
As shown in (b), even if the left and right end surfaces of the recording paper are not at right angles to the printing line, it is possible to reliably print within the paper width.
【００１６】[0016]
【発明の効果】以上説明したように本発明のプリンタ
は、複数の印刷要素を有する印字ヘッドに記録紙の検出
を行う反射型フォトセンサを具備した事により、次のよ
うな優れた効果を有するプリンタを供給できる。As described above, the printer of the present invention has the following excellent effects by providing the print head having a plurality of printing elements with the reflection type photo sensor for detecting the recording paper. Can supply a printer.
【００１７】（１）記録紙の左右端面が印字行に対して
直角であるロール紙叉はＡ４判等の単票用紙を使用する
際に、印字の打ち出し位置及び印字行の印字終了位置を
記録紙の紙幅の中に納めるため、紙送り前に使用者が記
録紙の幅をプリンタコントローラに入力する操作が不要
となる。(1) When a roll paper or a single-cut sheet such as A4 size is used in which the left and right end surfaces of the recording paper are at right angles to the printing line, the printing start position and the printing end position of the printing line are recorded. Since the paper is stored within the paper width, it is not necessary for the user to input the width of the recording paper into the printer controller before feeding the paper.
【００１８】（２）記録紙の左右端面が印字行に対して
直角でない変形の記録紙を使用した場合でも、フレーム
に具備された１個の反射型フォトセンサで記録紙の印字
の打ち出し位置及びその行の終了位置を確認する事がで
きるため、文字が確実に記録紙の紙幅の中へ印字され
る。(2) Even when the recording paper is deformed so that the left and right end surfaces of the recording paper are not at right angles to the printing line, one reflection type photosensor provided in the frame is used to set the printing position of the recording paper and the printing position. Since the end position of the line can be confirmed, the characters are reliably printed within the width of the recording paper.
【００１９】（３）記録紙の紙幅を検出しようとして複
数個の反射型フォトセンサを取り付ける必要もなく、セ
ンサー本体の部品コストアップ及びフレームに取り付け
るための実装コストアップが不要となる。(3) It is not necessary to attach a plurality of reflective photosensors in order to detect the paper width of the recording paper, and it is not necessary to increase the parts cost of the sensor main body and the mounting cost for mounting it on the frame.
【００２０】以上述べたように、記録紙の紙幅の中に確
実に印字可能な使い勝手の良いコストパフォーマンスの
高いプリンタを提供する事ができる。As described above, it is possible to provide a printer with high cost performance that is capable of reliably printing within the width of the recording paper and has high usability.
【図１】本発明の一実施例の断面図。FIG. 1 is a sectional view of one embodiment of the present invention.
【図２】従来例の断面図。FIG. 2 is a sectional view of a conventional example.
【図３】印字紙の形状を示す斜視図。FIG. 3 is a perspective view showing the shape of printing paper.
３ プラテン ３ａ 印字位置 ４ フレーム ５ 記録紙 ６ 紙送りローラー ７ 紙押さえローラー ８ 紙押さえばね １０ 紙ガイド １１ 印字ヘッド １２ 紙カッタ １３ 反射型フォトセンサ １８ 印字ノズル 3 Platen 3a Printing Position 4 Frame 5 Recording Paper 6 Paper Feed Roller 7 Paper Pressing Roller 8 Paper Pressing Spring 10 Paper Guide 11 Print Head 12 Paper Cutter 13 Reflective Photo Sensor 18 Printing Nozzle
Claims (2)
うべき印字ヘッドと、前記記録紙を供給側から印字手段
を経て出口部へ案内するための紙経路と、前記記録紙を
搬送するための紙送り手段とを備えたプリンタにおい
て、 前記印字ヘッドは前記記録紙の検出を行うための反射型
フォトセンサを具備してなることを特徴とするプリン
タ。1. A print head having a plurality of printing elements for printing on a recording paper, a paper path for guiding the recording paper from a supply side to a outlet through a printing means, and conveying the recording paper. In the printer, the printer is provided with a paper feeding unit for carrying out the recording, and the print head is provided with a reflection type photo sensor for detecting the recording paper.
って、 前記記録紙の第１の端部を検出する第１端部検出工程
と、 該第１端部検出工程に続いて印字を開始する印字開始工
程と、 前記記録紙の第２の端部を検出する第２端部検出工程
と、 該第２端部検出工程に続いて印字を停止する印字停止工
程とを有することを特徴とするプリンタの制御方法。2. The printer control method according to claim 1, wherein a first edge detecting step of detecting a first edge of the recording paper, and printing following the first edge detecting step. A printing start step for starting, a second edge detecting step for detecting the second edge of the recording paper, and a print stopping step for stopping printing subsequent to the second edge detecting step. And how to control the printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30172095A JPH09141962A (en) | 1995-11-20 | 1995-11-20 | Printer and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30172095A JPH09141962A (en) | 1995-11-20 | 1995-11-20 | Printer and control method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09141962A true JPH09141962A (en) | 1997-06-03 |
Family
ID=17900357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30172095A Pending JPH09141962A (en) | 1995-11-20 | 1995-11-20 | Printer and control method therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09141962A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009101701A (en) * | 2009-01-26 | 2009-05-14 | Seiko Epson Corp | Printing by positioning printing paper by sensor |
| US8646866B2 (en) | 2002-08-08 | 2014-02-11 | Seiko Epson Corporation | Recording apparatus, recording method, program, and computer system |
| US8672442B2 (en) | 2002-09-09 | 2014-03-18 | Seiko Epson Corporation | Liquid ejecting apparatus, computer system, and liquid ejection method |
-
1995
- 1995-11-20 JP JP30172095A patent/JPH09141962A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8646866B2 (en) | 2002-08-08 | 2014-02-11 | Seiko Epson Corporation | Recording apparatus, recording method, program, and computer system |
| US8672442B2 (en) | 2002-09-09 | 2014-03-18 | Seiko Epson Corporation | Liquid ejecting apparatus, computer system, and liquid ejection method |
| JP2009101701A (en) * | 2009-01-26 | 2009-05-14 | Seiko Epson Corp | Printing by positioning printing paper by sensor |
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