JPS5954583A - Automatic adjusting device for gap of impact type printer - Google Patents

Automatic adjusting device for gap of impact type printer

Info

Publication number
JPS5954583A
JPS5954583A JP16621082A JP16621082A JPS5954583A JP S5954583 A JPS5954583 A JP S5954583A JP 16621082 A JP16621082 A JP 16621082A JP 16621082 A JP16621082 A JP 16621082A JP S5954583 A JPS5954583 A JP S5954583A
Authority
JP
Japan
Prior art keywords
gap
circuit
recording paper
signal
adjustment
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
Application number
JP16621082A
Other languages
Japanese (ja)
Inventor
Hiroshi Yokoyama
博 横山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP16621082A priority Critical patent/JPS5954583A/en
Publication of JPS5954583A publication Critical patent/JPS5954583A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/20Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment

Landscapes

  • Handling Of Sheets (AREA)

Abstract

PURPOSE:To obtain the titled device enabling the precise adjustment of a gap by adjusting the gap between first and second printing mechanism, such as a hammer bank mask and a gate, or a printing head and a platen, while feeding recording paper successively. CONSTITUTION:A pressure detection signal from a pressure sensor 15 which is provided on the surface of a hammer bank mask facing a gate 3 is supplied to a comparison circuit 21 and compared there with a reference signal for a reference pressure set in a reference setting circuit 22. A comparison output signal from the comparison circuit 21 is sent to a gap-adjusting circuit 16, from which a signal for controlling the shift of the gate is delivered to a motor 13.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、印字イ幾構部材間の間隙を調整するインパ
クト式プリンタの自動間隙調整装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an automatic gap adjustment device for an impact printer that adjusts the gap between printing elements.

〔発明の技術的背景〕[Technical background of the invention]

インパクト式の印字機構をもつプリンタは、同時複写が
可能であるため、感圧式その他の複写用ub+用いて使
用されることが多い。
Printers with impact-type printing mechanisms are capable of simultaneous copying, and are therefore often used with pressure-sensitive or other types of copying UB+.

ところで、このようなプリンタにおいては、伏η枚数の
変化ζこ応じて、プラテンと印字ヘッドとの間隙あるい
はハンマバンクマスクとゲートJ−の間11j’;:を
適正な値となるように調整する必汐がある。
By the way, in such a printer, the gap between the platen and the print head or the gap between the hammer bank mask and the gate J- is adjusted to an appropriate value according to the change in the number of sheets. There is a necessity.

従来、上記間隙調整を自動的に行う機能を有する自動間
[沖調整装置が種々提案されている。
Conventionally, various types of automatic gap adjustment devices have been proposed which have a function of automatically performing the above-mentioned gap adjustment.

例えば、第11’jAiこ示すように、記録紙1はハン
マバンクマスク2(!:ゲート3との間隙8通過するよ
うζこ設定され、紙送り機構4によって移動される。ハ
ンマバンクマスク2はハンマ5及びこのハンマ55:駆
動するソレノイド6を備えている。また、ハンマバンク
マスク2に記録紙lを介して対接するゲート3は、その
内部にインクリボン7、活字ベルト8、及びプラテン9
がそれぞれ設置されている。このゲート3は、例えば支
持体10に設けたレール機構108に対して欠口Aで示
すように移動自在に支持されるもので、当該ゲート34
こ設けたラック11に対して支持体10に設けたピニオ
ンギヤ12を噛合させる。このピニオンギヤ12はモー
タ13のウオームギヤ14で回転され、モータ13の回
転によってゲート3を移〜11さぜ位置制御を行うもの
である。すなわち、モータ13によりハンマバンクマス
ク2とゲート3との間隙が調整されるもので、ハンマバ
ンク2に設けた感圧センサ15の記録紙Iに対する圧接
力から適王なる記録紙1の厚さに対応した出力検出信号
が得られるようζこ間隙調整回路16でモータ13を制
御する。
For example, as shown in 11'jAi, the recording paper 1 is set so as to pass through the gap 8 with the hammer bank mask 2 (!: gate 3), and is moved by the paper feeding mechanism 4. The hammer 5 and the hammer 55 are equipped with a driving solenoid 6.The gate 3, which is in contact with the hammer bank mask 2 via the recording paper l, has an ink ribbon 7, a type belt 8, and a platen 9 inside.
are installed respectively. This gate 3 is movably supported, for example, with respect to a rail mechanism 108 provided on a support body 10, as shown by a cutout A, and the gate 34 is
A pinion gear 12 provided on the support body 10 is meshed with the provided rack 11. This pinion gear 12 is rotated by a worm gear 14 of a motor 13, and the rotation of the motor 13 moves the gate 3 to control the position. That is, the gap between the hammer bank mask 2 and the gate 3 is adjusted by the motor 13, and the gap between the hammer bank mask 2 and the gate 3 is adjusted based on the pressing force of the pressure sensor 15 provided on the hammer bank 2 against the recording paper I. The motor 13 is controlled by the ζ gap adjustment circuit 16 so that a corresponding output detection signal is obtained.

すなわち、記録紙1が異なるJlさのものに交換された
とすると、ハンマバンクマスク2とゲート3との間隙は
変化していないため、ゲート13が記録紙1を介してハ
ンマバンクマスク2を押圧する圧力が変化し印字状態が
変化する。
That is, if the recording paper 1 is replaced with one of a different Jl, the gap between the hammer bank mask 2 and the gate 3 has not changed, so the gate 13 presses the hammer bank mask 2 through the recording paper 1. The pressure changes and the printing condition changes.

間隙調整回路16は、この変化したIIi力を感圧セン
サ15によって検知シ、ハンマバンクマスク2とゲート
3との間隙が、交換された記録紙1の厚さくこ対応する
適正値となるように補正動作を行うものである。
The gap adjustment circuit 16 detects this changed IIi force using the pressure sensor 15, and adjusts the gap between the hammer bank mask 2 and the gate 3 to an appropriate value corresponding to the thickness of the replaced recording paper 1. It performs a correction operation.

〔背景技術の問題点〕[Problems with background technology]

しかしながら、このような方法では、記録紙1の厚さの
変化の検知が記録紙1上の一箇所でしか行われないため
、例えば記録紙1のミシン目で検知されたm力値に基づ
いて調整動作がなされ、た場合、このミシン目部分が他
の印字されろ部分と厚さが鴇なるため、ハンマバンクマ
スク2とゲート3との間隙の調整が不正確になる。
However, in such a method, since the change in the thickness of the recording paper 1 is detected only at one location on the recording paper 1, the change in the thickness of the recording paper 1 is detected based on the m force value detected at the perforation of the recording paper 1, for example. If an adjustment operation is performed, the thickness of this perforation portion will be different from that of other printed portions, making the adjustment of the gap between the hammer bank mask 2 and the gate 3 inaccurate.

すなわち、間隙値がその記録紙11c適した値と異なる
ことになり、自動調整の精度が低下する。
In other words, the gap value will be different from the value suitable for the recording paper 11c, and the accuracy of automatic adjustment will be reduced.

また、調整の不備を外部に告知することもなく、不適切
な1))1隙値のまま印字作業が続行される場合があっ
た。
In addition, there were cases in which the printing operation was continued with the inappropriate 1)) 1 gap value without notifying the outside of the deficiency in the adjustment.

〔発明の目的〕[Purpose of the invention]

この発明はJ:記実悄に尤みてなされたもので、そノ目
的は、ハンマバンクマスク上ゲート、又は印字ヘッドと
プラテンのような第1及び第2の印字機構部材間の間隙
を記録紙の厚さの変化に応じて自動的に調整する機能の
精度を向上させたインパクト式プリンタの自動間隙調整
装置を提供することにある。
This invention was made in anticipation of J.K., and its purpose is to reduce the gap between first and second printing mechanism members such as a gate on a hammer bank mask or a print head and a platen from a recording paper. An object of the present invention is to provide an automatic gap adjustment device for an impact printer, which improves the accuracy of the automatic adjustment function according to changes in the thickness of the impact printer.

〔発明の概袋〕[Summary of inventions]

すなわち、この発明に係るインパクト式プ11ンタの自
動間隙調整装置は、記録紙をはさんで対向設定されるハ
ンマバンクマスクとゲート、又はプラテンと印字ヘッド
のような第1E1.び第2の印字機構部材からなる印字
機構部に対して、記録紙を介して一方の印字機構部材に
圧接する感圧センサを設け、記録紙を逐次移動させなが
ら感圧センサからの何月を検知し、この出力検出信号が
特定される適正値となるように第1及び第2の印字機構
部の間隙を可変調節するものである。
That is, the automatic gap adjustment device for an impact type printer according to the present invention has a first E1. A pressure-sensitive sensor is provided for the printing mechanism section consisting of the first printing mechanism member and the second printing mechanism member. The gap between the first and second printing mechanism sections is variably adjusted so that the output detection signal becomes a specified appropriate value.

〔発明の実施例〕[Embodiments of the invention]

以下、図面を参照してこの発明の一実施例を説明する。 Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

第2図はその構成を示すもので、記録紙1はハンマバン
クマスク2とゲート3との間隙部を通り、紙送り機構4
によって矢印B(7)ように送られる。そして、ゲート
3は支持体10により支持され、矢印Cの方向にモータ
13により移動制御される。ハンマバンクマスク2のゲ
ート3との対向面には感圧センサ15が設けられ、ゲー
ト3とのIHiで送られる記録紙1の厚さの変化によっ
て増減する圧力を検出するようになっている。感圧セン
サ15からの圧力検出信号は、比較回路21に供給され
、基準設定回路22で設定した基準圧力に対応する基糸
信号と比較される。この比較回路21からの比較出力信
号は間隙調整回路16に送られる。この間隙調整回路1
6はモータ13に対してゲート3の移動制御信号を出す
。具体的には、感圧センサ15ζこよる検出出力が基準
値より大きい場合にはゲート3をハンマバンクマスク2
から引き離し、間隙を増加させるように制御し、逆に検
出出力が基準値より小さい場合にはゲート3をハンマバ
ンクマスク2に近づけ、間隙を減少させるように制御す
るものである。藷だ、23は比較回路2ノ、間隙調整回
路16及び紙送り制御回路25からそれぞれ情((σを
受は取りあるいはこれら各回路に対して制御信号を送る
等の動作を行い、プリンク全体の制御を行うプリンタ制
御回路、24はこのプリンタ制御回路17の出力を受け
て報知動作を行うブザー、25(ユプリンタ制却回部1
7からの紙送り信号を受けて俄送り機構4に対して駆動
何円を送る等の制σ1j動作を行う紙送り制御回路であ
る。
FIG. 2 shows its configuration, in which the recording paper 1 passes through the gap between the hammer bank mask 2 and the gate 3, and passes through the paper feed mechanism 4.
is sent in the direction of arrow B (7). The gate 3 is supported by a support 10 and controlled to move in the direction of arrow C by a motor 13. A pressure sensor 15 is provided on the surface of the hammer bank mask 2 facing the gate 3, and detects the pressure that increases or decreases depending on the change in the thickness of the recording paper 1 fed by IHi with the gate 3. The pressure detection signal from the pressure sensor 15 is supplied to a comparison circuit 21 and compared with a base thread signal corresponding to a reference pressure set by a reference setting circuit 22. The comparison output signal from the comparison circuit 21 is sent to the gap adjustment circuit 16. This gap adjustment circuit 1
6 outputs a movement control signal for the gate 3 to the motor 13. Specifically, when the detection output from the pressure sensor 15ζ is larger than the reference value, the gate 3 is connected to the hammer bank mask 2.
Control is performed so that the gate 3 is pulled away from the hammer bank mask 2 and the gap is increased, and conversely, when the detection output is smaller than the reference value, the gate 3 is moved closer to the hammer bank mask 2 and the gap is decreased. 23 receives and receives information (σ) from the comparison circuit 2, the gap adjustment circuit 16, and the paper feed control circuit 25, or sends control signals to these circuits, etc., and controls the entire plink. 24 is a printer control circuit that performs control; 24 is a buzzer that performs a notification operation upon receiving the output of this printer control circuit 17; 25 (printer control circuit 1);
This is a paper feed control circuit which receives a paper feed signal from 7 and performs a control operation σ1j, such as sending a certain number of yen to the feed mechanism 4.

次iC1上記のような構成の自動間隙調整装置の動作に
ついて訝明する。先ず、記録紙Iが交換されると、プリ
ンタ制御回Ii!323は比較回路21(こ対シて、ハ
ンマバンクマスク2とゲート3との間隙値の調整開始の
ための調整スタート信号を送る。比較回路21は、感圧
セン日ノ゛15の検出値と基準設定回路22よりイl)
られる基準値とを比較する。今、例えば、交換された記
録紙1が、交換前に用いられていた記録紙よりも厚い場
合、上記間隙値は交換前の値のままであるため、記録紙
1の交換後に感圧センサ15により演出される値は、基
準設定回路22により得られる基準値よりも大となる。
Next iC1 We will discuss the operation of the automatic gap adjustment device configured as described above. First, when the recording paper I is replaced, the printer control cycle Ii! 323 is a comparison circuit 21 (which sends an adjustment start signal to start adjustment of the gap value between the hammer bank mask 2 and the gate 3. The comparison circuit 21 compares the detected value of the pressure sensor 15 with from the reference setting circuit 22)
Compare with the reference value given. Now, for example, if the replaced recording paper 1 is thicker than the recording paper used before replacement, the above-mentioned gap value remains the value before replacement, so after replacing the recording paper 1, the pressure-sensitive sensor 1 The value produced by is larger than the reference value obtained by the reference setting circuit 22.

この圧力の増加分が所定の許容範囲内である場合、比較
回路2ノはプリンタ制御回路23に調整不安の旨の信号
を送る。上記圧力の増加分が許容範囲外である場合、比
較回路21はこの圧力の増加分を減少させるため、すな
わち上記間隙値を記録紙1の厚さの増加分に応じて増加
させるために、この圧力値の増加分lこ対応したゲート
3の移動方向及び移動−iを決定し、開Vl調征回路1
6に移動制御信号を送る。間隙−枝回路16は上記移動
方向及び移動1をモータ13の回転方向及び回転tIc
変換し、モータ13を駆動する。このモータ13の回転
量は、ウオームギヤ14、ビニオンキャノ2及びラック
11を介して直線運動ζこ変換され、上記間隙値を増加
さぜる。逆(こ、交換された記録紙1が交換前の記録紙
よりも禍い場合(こは、上記の動作とは逆に間闇値を減
少させるように動作する。
If this increase in pressure is within a predetermined tolerance range, the comparator circuit 2 sends a signal to the printer control circuit 23 that the adjustment is unstable. If the increase in pressure is outside the allowable range, the comparator circuit 21 operates to reduce the increase in pressure, that is, to increase the gap value in accordance with the increase in the thickness of the recording paper 1. The movement direction and movement -i of the gate 3 corresponding to the increase in pressure value l are determined, and the opening Vl adjustment circuit 1 is determined.
A movement control signal is sent to 6. The gap-branch circuit 16 converts the movement direction and movement 1 into the rotation direction and rotation tIc of the motor 13.
and drives the motor 13. The amount of rotation of the motor 13 is converted into a linear motion ζ via the worm gear 14, the binion canopy 2, and the rack 11, thereby increasing the gap value. Conversely, if the replaced recording paper 1 is worse than the recording paper before replacement, the operation is performed to reduce the darkness value, contrary to the above operation.

このように記録紙lの厚さに応じて/\ンマバンクマス
ク2とゲ’−1−3との間隙値をJυgさせるものであ
るが、増減の納采比軟回路z1の出力がff許容範囲内
入らないj場合には、比較回路21からプリンタ匍制御
回路23に対しその旨の信号が送られる。このイ言号を
受けたプリンタ制御回路23は、低送り制御回路25に
対し信号を送ると共に比較回路21に対し再厖比較動作
を行う旨の1ぎ号を出す。すlSわち、プリンタ制御回
路237:ljらの信号を受けた紙送り?ulJ御回路
25から紙送り機構4に対し紙送り信号が送られ、記録
紙1が一定量送られた後、最初の位置と異なる位置で上
記間隙の調整が再度行われるものである。
In this way, the gap value between the /\ma bank mask 2 and the gear '-1-3 is adjusted by Jυg according to the thickness of the recording paper l, but the output of the soft circuit z1 for increase/decrease is within the ff tolerance range. If it does not fall inside, the comparison circuit 21 sends a signal to that effect to the printer control circuit 23. The printer control circuit 23, which has received this "yes" signal, sends a signal to the low feed control circuit 25 and issues a "yes" signal to the comparator circuit 21 indicating that a re-comparison operation is to be performed. So, the printer control circuit 237: Paper feed upon receiving the signals from lj and others? A paper feed signal is sent from the ULJ control circuit 25 to the paper feed mechanism 4, and after the recording paper 1 is fed by a certain amount, the gap is adjusted again at a position different from the initial position.

このような一連の動作を所定の回数だけ繰り返しても適
正な間隙値が得られない場合、例えばつ写枚斂が多く記
録紙1の厚さが間隙値の調整限界を越えてしまうような
場合には、比較回路21はプリンタ制御回路23に対し
調整不可能の旨の信号を送る。このような場合、プリン
夕制(a11回路23からブザー24に対して信号が送
られ、これによりブ+j−24が報知し、操作者ζこ対
し適切な処4を講するように促す。
If an appropriate gap value cannot be obtained even after repeating this series of operations a predetermined number of times, for example, if there is a large amount of sheet deflection and the thickness of the recording paper 1 exceeds the gap value adjustment limit. In this case, the comparator circuit 21 sends a signal to the printer control circuit 23 indicating that adjustment is not possible. In such a case, a signal is sent from the printer control (a11 circuit 23) to the buzzer 24, which causes the buzzer 24 to notify and urge the operator ζ to take appropriate action.

上記実施例においては、ハンマバンクマスク2とゲー1
−3との間隙を調整するようにしたが、第3図に示すよ
うに、印字ヘッド31とプラテン32との間隙を調整す
るようにしてもよい。
In the above embodiment, the hammer bank mask 2 and the game 1 are
3, the gap between the print head 31 and the platen 32 may be adjusted as shown in FIG.

同図ζこおいて、感圧センサ33は印字ヘッド3)の側
に設けられ、その感出面は印字ヘッド3ノの印字面と同
一の平面内に位置するようになっている。この印字ヘッ
ド31には記録紙1を間ζこしてプラテン32が対向配
置されている。
In the figure ζ, the pressure sensor 33 is provided on the print head 3) side, and its sensing surface is located in the same plane as the printing surface of the print head 3. A platen 32 is disposed opposite to the print head 31 with the recording paper 1 in between.

磁土センサ33はこのプラテン32が記録紙1を介して
印字ヘッド3ノを押1卜する力を検出するもので、この
検出結果に応じて印字ヘッド3ノとプラテン32との間
隙が調整されるものである。なお、その他の構成部分及
びその動作は上記実施例と同様であるのでその説明は省
略する。
The magnetic soil sensor 33 detects the force with which the platen 32 pushes the print head 3 through the recording paper 1, and the gap between the print head 3 and the platen 32 is adjusted according to the detection result. It is something. Note that the other components and their operations are the same as in the above embodiment, so their explanation will be omitted.

〔発明の効果〕〔Effect of the invention〕

以上のよう(ここの発明によるインパクト式プリンタの
自動間隙調整装置タこよれば、ハンマバンクマスクとゲ
ート、又は印字ヘッドとプラテンのような第1及び第2
の印字(幾構部材の間隙調整を記録紙を逐次移動させな
からイーfうまうにしたので、[I IIM調幣機能の
精度が向上する。また、調整が不可能な場合であっても
床やかにその旨が操作者に報知されるため、上記間隙が
不適正なま才で印字作業が続行される事態を[(hnr
できる。
As described above (according to the automatic gap adjustment device for an impact printer according to the present invention), the first and second parts, such as the hammer bank mask and the gate, or the print head and the platen,
The accuracy of the [IIIM coin minting function is improved because the printing of the space between the various components can be easily adjusted without having to move the recording paper one by one.Also, even when adjustment is not possible, the Since the operator is notified of this fact, the situation where the printing operation is continued due to the above-mentioned gap being inappropriate is prevented.
can.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来のインパクト式プリンタの自動間隙調整装
置の414成図、第2図はこの発明の一実施例に係るイ
ンパクト式プリンタの自動間隙調整装置の構成図、第3
図はこの発明の他の実施例に係る構成図である。 l・・・記録紙1.?・・・ハンマバンクマスク、3・
・・ゲート、4・・・紙送り機構、5・・・ハンマ、1
3・・・モーフ、15・・・感圧センサ、16・・・間
隙調整回路、2..1−、−・比較回路、22・・・基
準設定回路、23・・・プリンタ匍i御回路、24・・
・ブザー、25・・・紙送り制御回路、31・・・印字
ヘッド、32・・・プラテン、33・・・感EYIセン
サ。 出願入代A1v人 弁理士 鈴 江 武 彦第1図 第2図 第3図 439
FIG. 1 is a 414 diagram of a conventional automatic gap adjustment device for an impact printer, FIG. 2 is a configuration diagram of an automatic gap adjustment device for an impact printer according to an embodiment of the present invention, and FIG.
The figure is a configuration diagram according to another embodiment of the present invention. l...Recording paper 1. ? ...Hammerbank mask, 3.
...Gate, 4...Paper feed mechanism, 5...Hammer, 1
3... Morph, 15... Pressure sensitive sensor, 16... Gap adjustment circuit, 2. .. 1-, - Comparison circuit, 22... Standard setting circuit, 23... Printer control circuit, 24...
- Buzzer, 25... Paper feed control circuit, 31... Print head, 32... Platen, 33... EYI sensor. Application fee A1v Patent attorney Suzue Takehiko Figure 1 Figure 2 Figure 3 439

Claims (1)

【特許請求の範囲】[Claims] 記録紙をはさんで対向設定された第1及び第2の印字機
構部材と、前記第1及び第2の印字5機構部材のいずれ
か一方側に設けられ、前記記録紙を弁じて他方に圧接し
前記記録紙の厚さの変化によって増減する圧力を検出す
る磁土センサと、前記記録、式の厚さの変化に応じて前
記第1及び第2の印字機構部材の間隙を調整する間隙調
整機構と、前記間隙の最適値を設定するための基準とな
る信号を出力する基準設定回路と、この基準設定回路の
出力信号と前記感圧センサの検出信号とを比較し、前記
間隙のその最適値からのず゛れそ抽圧するための移動制
御信号を出力する比較回路と、この比較回路の出力を受
けて前記間隙調整機構に対し制御信号を送る間隙調整回
路と、前記記録紙の紙送りを行う紙送り機構と、この祇
送り0構に対し紙送り信号を送る紙送り制仙1回路と、
前記比較回路、前記間隙調整回路及び前記紙送り制御回
路lこ対してそれぞれ制御信号を送り、前記記録紙上の
第1の位置におζづる調整動作の後、再度前記比較回路
による比較動作を行わぜその結果当該調整が不適切な場
合であった場合には前記記録紙を一定;膚を移動させ、
前記記録紙上の第2の位置において前記調整動作を行わ
せ、さらにこの一連の動作を所定回斂繰り返しても調整
が不可能であった場合にはその旨の信号を出力するプリ
ンタiii制御回路と、このプリンタ制御回路の出力を
受けて報知動作を行う報知機構とを具備したことを特徴
とするインパクト式ブ1jンクの自動間隙調整装置。
first and second printing mechanism members that are set to face each other with the recording paper in between; and a first and second printing mechanism member that is provided on one side of the first and second printing mechanism members and is pressed against the other with the recording paper in between. and a magnetic soil sensor that detects pressure that increases or decreases due to changes in the thickness of the recording paper, and a gap adjustment mechanism that adjusts the gap between the first and second printing mechanism members according to changes in the thickness of the recording paper. and a reference setting circuit that outputs a reference signal for setting the optimum value of the gap, and compares the output signal of this reference setting circuit with the detection signal of the pressure sensor, and determines the optimum value of the gap. a comparator circuit that outputs a movement control signal for extracting the slippage pressure from the comparator; a gap adjustment circuit that receives the output of the comparator circuit and sends a control signal to the gap adjustment mechanism; and a gap adjustment circuit that controls the paper feed of the recording paper. a paper feed mechanism that performs this, and a paper feed control circuit 1 that sends a paper feed signal to this 0 feed mechanism,
A control signal is sent to each of the comparison circuit, the gap adjustment circuit, and the paper feed control circuit l, and after the adjustment operation to move the paper to the first position on the recording paper, the comparison circuit performs the comparison operation again. If the result is that the adjustment is inappropriate, keep the recording paper constant; move the skin;
a printer iii control circuit that causes the adjustment operation to be performed at the second position on the recording paper, and outputs a signal to that effect if the adjustment is not possible even after repeating this series of operations a predetermined number of times; 1. An automatic gap adjustment device for an impact type book, comprising: a notification mechanism that performs a notification operation in response to the output of the printer control circuit.
JP16621082A 1982-09-24 1982-09-24 Automatic adjusting device for gap of impact type printer Pending JPS5954583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16621082A JPS5954583A (en) 1982-09-24 1982-09-24 Automatic adjusting device for gap of impact type printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16621082A JPS5954583A (en) 1982-09-24 1982-09-24 Automatic adjusting device for gap of impact type printer

Publications (1)

Publication Number Publication Date
JPS5954583A true JPS5954583A (en) 1984-03-29

Family

ID=15827135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16621082A Pending JPS5954583A (en) 1982-09-24 1982-09-24 Automatic adjusting device for gap of impact type printer

Country Status (1)

Country Link
JP (1) JPS5954583A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6121912U (en) * 1984-07-13 1986-02-08 ブラザー工業株式会社 Printing device paper thickness detection device
JPS61199969A (en) * 1985-02-28 1986-09-04 Usac Electronics Ind Co Ltd Head gap automatic regulating mechanism
US4676675A (en) * 1984-05-09 1987-06-30 Brother Kogyo Kabushiki Kaisha Media thickness compensating device for a printer
US4917512A (en) * 1988-01-28 1990-04-17 Seiko Epson Corporation Apparatus for automatically adjusting a gap between a platen and a print head
US5074685A (en) * 1989-02-10 1991-12-24 Oki Electric Industry Co., Ltd. Head gap adjustment device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676675A (en) * 1984-05-09 1987-06-30 Brother Kogyo Kabushiki Kaisha Media thickness compensating device for a printer
JPS6121912U (en) * 1984-07-13 1986-02-08 ブラザー工業株式会社 Printing device paper thickness detection device
JPH0432561Y2 (en) * 1984-07-13 1992-08-05
JPS61199969A (en) * 1985-02-28 1986-09-04 Usac Electronics Ind Co Ltd Head gap automatic regulating mechanism
US4917512A (en) * 1988-01-28 1990-04-17 Seiko Epson Corporation Apparatus for automatically adjusting a gap between a platen and a print head
US5074685A (en) * 1989-02-10 1991-12-24 Oki Electric Industry Co., Ltd. Head gap adjustment device

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