JPH01113269A - Printer - Google Patents
PrinterInfo
- Publication number
- JPH01113269A JPH01113269A JP27116087A JP27116087A JPH01113269A JP H01113269 A JPH01113269 A JP H01113269A JP 27116087 A JP27116087 A JP 27116087A JP 27116087 A JP27116087 A JP 27116087A JP H01113269 A JPH01113269 A JP H01113269A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- printing
- detection marks
- printed
- detection
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Handling Of Sheets (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は、印字装置に関し、特に用紙搬送上の不具合検
出を行えるようにした印字装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a printing device, and more particularly to a printing device capable of detecting defects in paper conveyance.
[従来の技術]
従来の印字装置においては、トラクタ等の用紙搬送手段
により印字用紙を搬送していく上で、用紙搬送状態が適
正であるかどうか判断する機能がなかった。[Prior Art] Conventional printing apparatuses do not have a function to determine whether or not the paper conveyance state is appropriate when printing paper is conveyed by a paper conveyance means such as a tractor.
[発明が解決しようとする問題点]
上述した従来の印字装置は、用紙搬送が適正に行われて
いるかどうかの判断機能がないため、用紙搬送上のトラ
ブル(ジャム、斜行、破れ等)が発生した場合でも、通
常印字動作を継続してしまい、その結果f1電な印字情
報が大量に消失してしまうという6欠点がある。[Problems to be Solved by the Invention] The above-mentioned conventional printing devices do not have a function to determine whether or not paper is being conveyed properly, so troubles in paper conveyance (jams, skewed feeding, tears, etc.) may occur. Even if this occurs, the normal printing operation continues, resulting in six drawbacks: a large amount of printed information, such as f1, is lost.
[問題点を解決するための手段]
本発明は、用紙搬送状態が適正であるかどうかの判断を
行うことにより用紙搬送上のトラブルによる印字情報の
消失等を未然に防止することを目的としてなされたもの
である。[Means for Solving the Problems] The present invention has been made for the purpose of preventing the loss of printed information due to troubles in paper transport by determining whether the paper transport state is appropriate. It is something that
かかる目的を達成する本発明の印字装置は、印字用紙を
搬送する用紙搬送手段と、印字手段と、上記印字用紙上
の指定印字文字エリア外に定改行毎に印字した検知マー
クを検知し上記用紙搬送手段の送り量と上記検知マーク
の検知間隔から用紙搬送が適正かを判断する印字法マー
ク検知手段を備える構成としている。The printing device of the present invention that achieves the above object includes a paper conveyance means for conveying printing paper, a printing means, and a detection mark printed at every regular line break outside the specified print character area on the printing paper. The apparatus is configured to include printing method mark detection means for determining whether paper conveyance is appropriate based on the feed amount of the conveyance means and the detection interval of the detection marks.
[実施例]
次に、本発明の一実施例について図面を参照して詳細に
説明する。[Example] Next, an example of the present invention will be described in detail with reference to the drawings.
第1図は本発明の一実施例に係る印字装置の概略構造図
である。1は折りたたまれた状態でセットされる印字用
紙、2は印字用紙lを搬送するトラクタである。トラク
タ2のピン2aに印字用紙1のスプロケット穴1aを係
合することにより搬送を行う、3は印字ヘッド、4は印
字へラド3と対向して位置するプラテンである。印字へ
ラド3は印字用紙1上にシリアルドツトインパクト方式
により印字を行う。FIG. 1 is a schematic structural diagram of a printing device according to an embodiment of the present invention. Reference numeral 1 denotes a printing paper set in a folded state, and 2 a tractor that conveys the printing paper l. The printing paper 1 is conveyed by engaging the sprocket hole 1a of the printing paper 1 with the pin 2a of the tractor 2. 3 is a printing head, and 4 is a platen located opposite to the printing plate 3. The printing pad 3 prints on the printing paper 1 by a serial dot impact method.
5は印字用紙l上に印字された検知マークの有無を検知
する印字法マーク検知手段であり、例えば、反射型光セ
ンサ等の電気素子が用いられる。Reference numeral 5 denotes a printing method mark detection means for detecting the presence or absence of a detection mark printed on the printing paper l, for example, an electric element such as a reflective optical sensor is used.
トラクタ2は、図示しない回転手段によりA方向に回転
され印字用紙1の改行送り動作を実行する。また、その
改行量はモータの回転量により制御されている。上記印
字法マーク検知手段5は、第2図に示す如く印字用紙1
の印字エリアCを外れたエリア(スプロケット穴1aが
あるエリア)に対応して設置されている。The tractor 2 is rotated in the A direction by a rotating means (not shown) and performs a line feed operation of the printing paper 1. Further, the amount of line feed is controlled by the amount of rotation of the motor. The printing method mark detection means 5 detects the printing method mark on the printing paper 1 as shown in FIG.
It is installed corresponding to the area outside the printing area C (the area where the sprocket hole 1a is located).
次に、用紙搬送状態チエツク用の検知マークの検知動作
について第2図を用いて説明する。Next, the detection operation of the detection mark for checking the paper conveyance state will be explained with reference to FIG.
トラクタ2の駆動によりB方向に送出される印字用紙1
上に印字動作を行う場合、印字エリアCを外れたエリア
部に、例えば塗りつぶした検知マーク6a、6b、6c
を印字していく。従って、用紙フォーマット上の最大印
字エリアは、従来通りである。Print paper 1 sent in direction B by the drive of tractor 2
When performing a printing operation on the top, for example, filled detection marks 6a, 6b, 6c are placed in areas outside the printing area C.
will be printed. Therefore, the maximum print area on the paper format remains the same as before.
さらに、検知マーク6a、6b、6cは、一定の改行間
隔(本実施例では、スプロケット穴ピッチの2倍)で印
字されている。検知マーク68〜6Cの上面には、印字
法マーク検知手段5が位置されていて、印字用紙1の搬
送に従って検知マーク6a→6b→6Cと順番に検知さ
れる。Furthermore, the detection marks 6a, 6b, and 6c are printed at constant line feed intervals (in this embodiment, twice the sprocket hole pitch). A printing method mark detection means 5 is located on the upper surface of the detection marks 68 to 6C, and the detection marks 6a→6b→6C are detected in order as the printing paper 1 is conveyed.
用紙搬送が正常な場合は、トラクタ2の送り量(改行数
)に対して一定改行毎(本実施例では、スプロケット穴
ピッチの2倍)に、塗りつぶした検知マーク6a〜6c
が検知される。逆に、検知マーク6a〜6Cの検知間隔
が、定改行毎でなくなった場合は、用紙搬送上の不具合
(斜行、ジャム、破れ等)が発生したと判断して、印字
装置を瞬時に停止する。When the paper conveyance is normal, the filled detection marks 6a to 6c are displayed every fixed line feed (in this embodiment, twice the sprocket hole pitch) with respect to the feed amount (number of line feeds) of the tractor 2.
is detected. On the other hand, if the detection interval of the detection marks 6a to 6C is no longer equal to every regular line feed, it is determined that a paper conveyance problem (skewed feeding, jamming, tearing, etc.) has occurred, and the printing device is immediately stopped. do.
[発明の効果]
以上説明したように本発明は、印字用紙を搬送する用紙
搬送手段と、印字手段と、上記印字用紙上の指定印字文
字エリア外に定改行毎に印字した検知マークを検知し上
記用紙搬送手段の送り量と上記検知マークの検知間隔か
ら用紙搬送が適正かを判断する印字法マーク検知手段を
備えることにより、用紙搬送が適正かどうかを判断でき
、用紙搬送上のトラブルによる貴重な印字の消失を最小
限にくい止める効果がある。[Effects of the Invention] As explained above, the present invention includes a paper conveyance means for conveying printing paper, a printing means, and a detection mark printed on the printing paper outside the designated print character area at every regular line break. By providing a printing method mark detection means that determines whether paper transport is appropriate based on the feed amount of the paper transport means and the detection interval of the detection marks, it is possible to judge whether paper transport is appropriate, and to prevent troubles in paper transport. This has the effect of minimizing the loss of printed characters.
第1図は本発明の一実施例に係る印字装置の概略構造図
、第2図は本発明の一実施例の動作を説明するための図
である。
l:用紙 2:トラクタ
3:印字ヘッド 4ニブラテン
5:印字法マーク検知手段
6a〜6c:検知マークFIG. 1 is a schematic structural diagram of a printing device according to an embodiment of the present invention, and FIG. 2 is a diagram for explaining the operation of the embodiment of the present invention. l: Paper 2: Tractor 3: Print head 4 Nibraten 5: Printing method mark detection means 6a to 6c: Detection mark
Claims (1)
印字用紙上の指定印字文字エリア外に定改行毎に印字し
た検知マークを検知し上記用紙搬送手段の送り量と上記
検知マークの検知間隔から用紙搬送が適正かを判断する
印字済マーク検知手段を備えることを特徴とする印字装
置。A paper conveying means for conveying the printing paper, a printing means, and a detection mark printed at regular line breaks outside the specified print character area on the printing paper are detected, and the feed amount of the paper conveying means and the detection interval of the detection mark are detected. A printing device characterized by comprising a printed mark detection means that determines whether paper conveyance is appropriate based on the printed mark detection means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27116087A JPH01113269A (en) | 1987-10-27 | 1987-10-27 | Printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27116087A JPH01113269A (en) | 1987-10-27 | 1987-10-27 | Printer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01113269A true JPH01113269A (en) | 1989-05-01 |
Family
ID=17496174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27116087A Pending JPH01113269A (en) | 1987-10-27 | 1987-10-27 | Printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01113269A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160180204A1 (en) * | 2014-12-18 | 2016-06-23 | Casio Computer Co., Ltd. | Image forming apparatus and jam detection method |
WO2018190052A1 (en) * | 2017-04-11 | 2018-10-18 | 村田機械株式会社 | Workpiece conveyance system and machine tool system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59220389A (en) * | 1983-05-31 | 1984-12-11 | Fujitsu Ltd | Jamming-detecting system |
-
1987
- 1987-10-27 JP JP27116087A patent/JPH01113269A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59220389A (en) * | 1983-05-31 | 1984-12-11 | Fujitsu Ltd | Jamming-detecting system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160180204A1 (en) * | 2014-12-18 | 2016-06-23 | Casio Computer Co., Ltd. | Image forming apparatus and jam detection method |
WO2018190052A1 (en) * | 2017-04-11 | 2018-10-18 | 村田機械株式会社 | Workpiece conveyance system and machine tool system |
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