JPS5887069A - Driving system of electronic photography type printer - Google Patents

Driving system of electronic photography type printer

Info

Publication number
JPS5887069A
JPS5887069A JP56184144A JP18414481A JPS5887069A JP S5887069 A JPS5887069 A JP S5887069A JP 56184144 A JP56184144 A JP 56184144A JP 18414481 A JP18414481 A JP 18414481A JP S5887069 A JPS5887069 A JP S5887069A
Authority
JP
Japan
Prior art keywords
motor
roller
drum
driven
photo
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
JP56184144A
Other languages
Japanese (ja)
Inventor
Kenya Komada
駒田 健弥
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP56184144A priority Critical patent/JPS5887069A/en
Publication of JPS5887069A publication Critical patent/JPS5887069A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/75Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/757Drive mechanisms for photosensitive medium, e.g. gears

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Handling Of Sheets (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To prevent the occurrence of bias of pictures by a method in which an one-way clutch is provided between a photo-sensitive drum and a driving system, the second motor is connected to the photo-sensitive drum and driven with high speeds during the divided light exposure. CONSTITUTION:The roller of a cleaner 9, a photo-sensitive drum 1, a developing roller 2, a paper supply roller 14, a registo roller 13, a feeding roller 16, a fixing roller 17, and a paper discharge roller 19 are all driven by an induction motor M1 at one time. The photo-sensitive drum 1 is driven with high speeds only during the divided light exposure, together with the other driving system, by means of a servo-motor M2 capable of preferentially driving the drum 1 with high speeds through a drum pulley 31 and a timing belt 32 provided through the one-way clutch 30 attached to its shaft.

Description

【発明の詳細な説明】 本発明ば、電子写真式プリンタの駆動方式に関する。[Detailed description of the invention] The present invention relates to a driving method for an electrophotographic printer.

一般に、LEDアレ4γjどの画素形の露光手段を用い
てデジタル画情報に応じた画像の記録を行なわせる転写
形の電子写真式プリンタにあっては、例えば副距査方向
に回転する感光体ドラム面に沿って主走査方向に1ライ
ン分のL E Dアレイを設けろことば製造技術面、コ
スト面などの点で問題があるために、数個ないし数十個
のLED素子からなるユニット比されたLEDアレイを
用いてそt″Lを感光体ドラムの回転に応じて主走査方
向に11歓次送りながら分割して蒔元を行fxわせる方
式(感光体ドラムの複数回転で露光がなされることにな
る)が採用されている。
Generally, in a transfer-type electrophotographic printer that records an image according to digital image information using a pixel-shaped exposure means such as an LED array, for example, a photoreceptor drum surface rotating in a sub-focus direction is used. Since there are problems in terms of manufacturing technology and cost, it is necessary to provide an LED array for one line in the main scanning direction along the LED array. A method of using an array to feed the photoreceptor drum 11 times in the main scanning direction according to the rotation of the photoreceptor drum and dividing the sowing source into rows (exposure is performed by multiple rotations of the photoreceptor drum). ) has been adopted.

電子写真式プリンタに8いてこのよっ7a”& /JI
J 露光方式をとる場合、醋尤時にHける感光体ドラム
の回転速度を帯゛亀、現隊、転写14どの他のノロセス
時に2ける回転速度と同じにしたのでは記録時間がかが
りfぎるとともに初期に露光さt″した感光体の暗減衰
が問題となってしまっため、露光時に旧ける感光体ドラ
ムの回転を他の10セス時よりも高速で行なわせる必賛
がある。
8 to the electrophotographic printer 7a” & /JI
J When using the exposure method, if the rotational speed of the photoreceptor drum is set to be the same as the rotational speed during other processes such as transfer, transfer, etc., the recording time will be too long. Since dark decay of the initially exposed photoreceptor becomes a problem, it is necessary to rotate the old photoreceptor drum at a higher speed during exposure than during the other 10 cycles.

そのため、従来のようにf喉元体ドラム、その回転に応
じて電子写真10セスな逐?′に実行するノロセス系十
;よび給a搬送系に8ける駆動系統を1つにまとめてそ
れを1つのモータによって駆動させるようにした電子写
真式ツーリングにあって、そのモータに甘−ボモータを
使用して各ノロセスの実行に応じた0T変速制御をイボ
7jわせろよつにすることが考えられるが、その場合に
は負荷が太さい1こめに出力トルクの大きなサーボモー
タを必要として大形化してしまうといつ問題がある。ま
た、感光体ドラムのみを駆動する専用の−り一−ポモー
タを別途設け、他をインダクシ日ンモータによっテ駆動
させるよ5にして駆動系を完全に分(帷させてしまうと
、転写時に感光体ドラムの周速と記録紙の送り速度との
間に誤差を生じて画像す扛を起こしてしようといつ問題
がある。
Therefore, as in the conventional case, the f-throat body drum, depending on its rotation, can be used for electrophotography 10 times. In electrophotographic tooling, the drive systems for the Norocess system and the feed conveyance system are combined into one and driven by one motor, and the motor is equipped with a sweet motor. It is conceivable to change the 0T shift control according to the execution of each norocess by using it, but in that case, a servo motor with a large output torque would be required for the heavy load, which would require a large servo motor. There is always a problem when it becomes a problem. In addition, a dedicated transfer motor for driving only the photosensitive drum is provided separately, and the other parts are driven by an induction motor.If the drive system is completely separated, it is possible to Problems arise when an error occurs between the circumferential speed of the body drum and the feeding speed of the recording paper, causing image tearing.

本発明は以上の点を考慮してなされたもので。The present invention has been made in consideration of the above points.

分割露光方式をとる電子写真式プリンタに8いて谷10
セスの実行に応じ1こドラムま1こはエンドレスベルト
状の!I&元性b1り媒体の変速1駆動を行なわせろ場
合、その変速階動な容易かつ高精度に行1jわせること
かできるとともに、高速駆動時の負荷(3) を軽減し、てモータの速度精度を上げ、転写時にLける
記録媒体の周速と記録紙の送り速、明との間に誤差を生
ずることが全くないようにしlこ電子写真式プリンタの
、・駆動方式を!是供−4f’ 7)ものである。
8 and 10 for electrophotographic printers that use the split exposure method
Depending on the execution of the process, one drum or one drum is like an endless belt! When performing variable speed 1 drive of the medium, it is possible to easily and highly accurately perform the speed change stepwise movement, and to reduce the load (3) during high speed drive, and to increase the motor speed. The drive system of an electrophotographic printer is designed to improve accuracy and eliminate any errors between the circumferential speed of the recording medium during transfer, the feed speed of the recording paper, and the brightness. koreku-4f' 7).

本発明による電子写真式プリンタの駆動方式にあってば
、全ての駆動系統を1つにまとめて第1のモータVc3
よって共通に駆動させるようにぐるとともに、記録媒体
のみを高化で:枢動式せる専用の第2のモータを!侍殊
な手段を介して共通の駆動系統内に組込み、分割4光時
[ilその第2のモータによって記録媒体な尚速駆動σ
せ、その他のyロセス時には第1のモータによりて給紙
澱送糸と同期ケとって通常の駆動を行rlわせることが
できるようにしている。
In the drive system of the electrophotographic printer according to the present invention, all the drive systems are combined into one and the first motor Vc3
Therefore, in addition to making it common to drive, we also upgraded the recording medium: a dedicated second motor that can be pivoted! It is integrated into a common drive system through special means, and the recording medium is driven at high speed by its second motor when divided into four light beams.
In addition, during other y processes, the first motor is used to perform normal driving in synchronization with the feeding and transporting yarns.

第1図は本発明による由、子写真弐スリンlの駆動方式
を具体的に実施するfこめの転写形の電子写真式ツーリ
ングの一構成列を示Tもので、感光体ドラムlの周辺v
c適′f設げらnて帝亀→蕗元→現1象→転写→除区→
クリーニングの所定の電子写真プロセスを適’fL実行
させる蛍゛醍チャージャー3.鑵(4) 元ユニット4.現像器59転写チャージャー6゜ヘーハ
ー分離爪7.除′屯器8Bよびグリーナ9と、カセット
10内の記録紙11ケレジストローラ13に順次送り出
す給紙ローラ14および分離パッド15と。
FIG. 1 shows a configuration of a transfer-type electrophotographic tool that specifically implements the driving system of the photosensitive drum 1 according to the present invention.
C appropriate 'f set up Teiki → Fukimoto → Gen 1 elephant → transcription → removal →
3. Fluorescent charger to carry out the predetermined electrophotographic process of cleaning as appropriate.3.鑵(4) Former unit 4. Developing device 59 Transfer charger 6° Separation claw 7. The filter remover 8B, the greener 9, and the paper feed roller 14 and separation pad 15 that sequentially feed the recording paper 11 in the cassette 10 to the registration roller 13.

転写された記録紙?:搬込させるベルト16と、搬送さ
れた記録aを定着処理させる定着ローラ17と、定着さ
nた記録紙をトレイI8に排紙させろローラ19とから
なっている。また、その露−亀ユニット4はフレーム4
1  内にLEDアレイ42.LEDドライバ43εま
び、桔淳レンズ44 が−′l+vc組み込ま扛ており
、そのフレーム41  自体がガ4ド+I420に嵌合
してステップモータM3を駆動源とするプーリ21旧よ
びベルト22からばろ伝達機構によってその露光ユニッ
ト4自体が感光体ドラム1の軸方向に移動できるように
、構成されている(第2図参照)。
Transcribed recording paper? : Consists of a conveying belt 16, a fixing roller 17 for fixing the transported record a, and a roller 19 for discharging the fixed recording paper to the tray I8. Also, the dew-kame unit 4 is the frame 4
1 LED array 42. An LED driver 43ε and a Kijun lens 44 are incorporated in -'l+vc, and the frame 41 itself is fitted with a guard 4+I420 to transmit loose transmission from a pulley 21 and a belt 22, which are driven by a step motor M3. The exposure unit 4 itself is configured to be movable in the axial direction of the photoreceptor drum 1 by a mechanism (see FIG. 2).

さらに、現像器5はその下端が枢支ビン23によって傾
動自在に取付けられ、スフ−リンク242よびストッパ
250作用によってその現像器5が感光体ドラムl側に
傾動して電子写にプロセス系に投入される(その際感光
体ドラム1と現像ローラ2との間の距離が感光体ドラム
1面の現f象を行なわせるのに最適なよ5に位置決めさ
n、でいる)とともに。
Further, the lower end of the developing device 5 is attached to be tiltable by a pivot pin 23, and the developing device 5 is tilted toward the photoreceptor drum l side by the action of the fast link 242 and the stopper 250, and the electrophotographic image is introduced into the process system. (At this time, the distance between the photoreceptor drum 1 and the developing roller 2 is positioned at an optimum distance n for producing the phenomenon on the surface of the photoreceptor drum 1).

電磁ソレノイド26.レバー278よびスゲリング28
からなる機構によってその現(様器5を感光体ドラム1
0反対側にストッパ29の位置まで傾動させて電子写真
フーロセス系から離脱させろことができるように構成さ
れている。
Electromagnetic solenoid 26. Lever 278 and Suge ring 28
A mechanism consisting of
It is configured such that it can be tilted to the opposite side to the stopper 29 position and removed from the electrophotographic photoprocessing system.

しかして、このように構成さnた電子写真プリンタで(
ま、予め装置全体をシーケンス制御即するコントローラ
(図示せず)によって帯′峨−露光−現像一転写一除隠
一りリーニンクの谷電子写真プロセスが感光体ドラム1
0回転に応じてそれぞ扛適宜タイミンクでもって実行は
れることになる。fなわち、まV、プリン計スタート指
令に応じて信元ユニット4を感光体ドラムlに旧ける主
走査方向の一端のホームポジションにリストアさせると
ともに、感光体ドラムl全面の帯電を行なわせる。
However, in an electrophotographic printer configured in this way (
In advance, a controller (not shown) that sequentially controls the entire apparatus performs the electrophotographic process of stripping, exposing, developing, transferring, removing, and exposing the photoreceptor drum 1.
They are executed at appropriate timings depending on the zero rotation. In other words, in response to the print meter start command, the source unit 4 restores the photosensitive drum l to its old home position at one end in the main scanning direction, and charges the entire surface of the photosensitive drum l.

その際%−I[aソレノイド26が消勢されており、現
像器5ばスフリング28の作用によって外方に傾いて′
亀子写真10セス系から離脱でれている。この状帽に8
いて、感光体ドラム101回転ととに露光ユニット4を
適宜王疋食方向にステツブ送りさげながらデジタル画情
報に応じた露光をIli’4次行なわせる。次いで、感
光体ドラム1而に対する最終区分の4光すイクル時にそ
のとき露光きれた感光体ドラム1の画像部先端が一致す
るタイミングで、電磁ソレノイド26を付勢してスゲリ
ンク28による拘束’&Mき、スゲリング24の作用に
よって現像器5ff内方に傾動させて奄子写氏ノロセス
糸に投入させろ。しかして、順次タイムラグをもって分
割無光された感光体ドラム1面の現IW処理が最適タイ
ミングをもって均一にハ゛さnることになる。矢いで、
レジストローラ13で待機されていfこ記録紙11の先
端が転写チャージャ−6tels IC′!−3いて現
1象処理さn r、−感光体ドラムl而の画1象部先端
と一致するタイミンクで給紙して転写を何fjわせ、そ
の転写ざnfこ記祿紙口を定着ユニット17によって定
着したのち排紙させる。次いで、転写体の感光体ドラム
lli除菫器8によって除電させたのち、クリーナ9に
よって感光体ドラム1面に残ったトナー写真プロセスに
よる画像の記録が完了さnろ。
At this time, the %-I[a solenoid 26 is deenergized, and the developing device 5 is tilted outward by the action of the spring ring 28.
Kameko Photo 10 Seth has left the group. 8 on this hat
Then, as the photoreceptor drum 101 rotates, the exposure unit 4 is suitably stepped forward in the direction of eclipse, and exposure according to the digital image information is carried out in a fourth manner. Next, at the timing when the leading edge of the image area of the photoreceptor drum 1, which has been completely exposed at that time, coincides with the four-light cycle of the final section on the photoreceptor drum 1, the electromagnetic solenoid 26 is energized to cause the restraint by the sedge link 28. , tilt the developing device 5ff inward by the action of the sgel ring 24 and feed it into the Amushi Shashi Norosesu thread. As a result, the current IW process on one surface of the photosensitive drum, which has been sequentially subjected to divisional non-lighting with a time lag, is uniformly intensified at the optimum timing. With an arrow
The leading edge of the recording paper 11, which is waiting on the registration roller 13, reaches the transfer charger 6tels IC'! - 3, the image is processed by the photoconductor drum, and the paper is fed at a timing that coincides with the leading edge of the image area of the photosensitive drum, and the transfer is recorded at the paper opening by the fixing unit. After fixing in step 17, the paper is ejected. Next, after the photoreceptor drum of the transfer member is neutralized by a violet remover 8, the toner remaining on the surface of the photoreceptor drum is completed by a cleaner 9, and recording of an image by a photographic process is completed.

このような電子写真式プリンタに8いて、本発明では、
インタクションモーグM1によっテクリーナ90ローラ
、感光体ドラム1.現像ローラ2゜給紙ローラ14.レ
ジストローラ13.搬送ベルト16゜定着ローラ172
よび排紙ローラ19の全ての駆動系を一括して駆動させ
るように■ろとともに、感光体ドラム1ケその輔Vc取
付けられたワンウェイクラッチ30ヲ介して設けら′n
定ドラムフ゛−リ31 、Uよびそのドラムグーリ31
  と共働(るグ4ミングベルト32 を介して優先的
Vc尚連速駆動せることのできるサーボモータM2Y設
けるようにしている。な2、クリーナ9のローラぼワン
ウェイクラクチ3:(Bよびスフロケット34ヲ介して
、給紙ローラ14ホワンターンクラッチ35 およびス
ズロケット36ケ介して、レジストローラ13は電磁ク
ラッチ37ケ介して、搬送ベルト16(1スフ−ロケッ
ト38 ケ介して、定着ローラ17i1スズロケツト3
9を介してそれぞれチェーン40 によって直接、駆動
され、まf=現像ローラ2はギヤー45.461よびア
イドルスゲロケット47 を介してチェーン4゜によっ
て駆動され、排紙ローラ19ばスプロケット48.49
gよびチェーン5o を介して別途駆動されるようにな
っている。な忘、図中51&はインダグシ17モー4M
1の出力11111Iに暇付けられたスプロケットを、
52 はアイドラーケそれぞn示している。LLザーポ
モータM2の出力叫1にぼその回転を検出ぐるロークリ
エンコーダ53 が増付ケら!′L、またi+&光体ド
ラムIHcぼドラムポジションセフ サSが取付けらn
てBす、コントローラにおいてそのロータリエンコーダ
53の出カパルス’M号に応じてサーボモー//M2の
定速度制御が行なわれるとともに、ドラムポジションセ
フ4FBの出力に応じてロータリエンコーダ530出力
パルス侶号のカウントを?Tなわせることによってシー
ケンスが逐次進められるよっになっている。
In such an electrophotographic printer, the present invention includes:
Interaction Moog M1 with Teklina 90 rollers, photoreceptor drum 1. Developing roller 2° Paper feeding roller 14. Registration roller 13. Conveyor belt 16°Fixing roller 172
In addition to driving all the drive systems of the paper output roller 19 and the paper ejecting roller 19 at once, a one-way clutch 30 is provided to drive the photosensitive drum 1 and its lower part Vc.
Fixed drum tree 31, U and its drum tree 31
A servo motor M2Y is provided which can drive the rollers of the cleaner 9 at continuous speeds via the four-way mining belt 32. 34, the paper feed roller 14, the one-turn clutch 35, and the tin rocket 36, the registration roller 13, the electromagnetic clutch 37, the conveyor belt 16 (1 sprocket 38, the fixing roller 17i1, the tin rocket 3).
The developing roller 2 is driven by the chain 4° via the gear 45.461 and the idle gear rocket 47, and the ejection roller 19 and the sprocket 48.49.
g and chain 5o. Don't forget, 51& in the diagram is Indugushi 17 Mo 4M
The sprocket attached to the output 11111I of 1,
52 indicates each idlerake. A low-return encoder 53 has been added to the output signal 1 of the LL Zapo motor M2 to detect the rotation of the cylinder! 'L, also i+ & light drum IHc drum position safety S is installed.
In the controller, constant speed control of the servo motor//M2 is performed according to the output pulse 'M' of the rotary encoder 53, and a count of the output pulse 'M' of the rotary encoder 530 is performed according to the output of the drum position control 4FB. of? The sequence is made to advance one by one by making T.

このような構成にあって、不発ψ]にょる′電子写真式
プリンタの駆動方式では、各10セスの実行中インダク
シミンモータMlを常時駆動して感光体ドラム1を他の
駆動系とともに回転させ、分割l!元時のみにサーボモ
ータM27そのインダクシッンモータM1の駆動系に投
入させて甘−ボモータM2をインダクシ冒ンモータMl
よりも高速で回転駆動させる。それにより、それ葎でイ
ンダクシ曹ンモータM1によってつれ回りされていたサ
ーボモータM2がワンウェイクラッチ3oの働きによっ
てインダクションモータMlの駆動系から引き外され(
インダクシロンモータM1の駆動系とはスリツノ状態に
なる)、感光体ドラム1がサーボモータM2によって直
接高速で回転駆動さnるようになる。また1分割露光が
完了した時点でサーボモータM2の゛亀源乞しゃ断芒せ
ろと、ワンウェイクラクチ30の動きによって感光体ド
ラムlがインダクシシンモータMlによる駆動系に投入
されて低速で回転駆動されることになる。な2、インダ
クシ珂ンモータM1の駆動の初期において。
With such a configuration, in the drive system of the electrophotographic printer, the induction motor Ml is constantly driven during each 10 processes to rotate the photosensitive drum 1 together with other drive systems. , split l! Only at the beginning, the servo motor M27 is input to the drive system of the induction motor M1, and the sweet-bodied motor M2 is connected to the induction motor Ml.
Rotate at a higher speed. As a result, the servo motor M2, which was rotated by the induction motor M1, is separated from the drive system of the induction motor M1 by the action of the one-way clutch 3o (
(The drive system of the inductor motor M1 is in a slit state), and the photosensitive drum 1 is directly driven to rotate at high speed by the servo motor M2. Further, when one divisional exposure is completed, the photosensitive drum 1 is inputted into the drive system by the induction motor ML by the movement of the one-way clutch 30 and rotated at a low speed. That will happen. 2. At the initial stage of driving the induction motor M1.

給紙ローラ14がワンターングラッチ35の作用によっ
て1回転して#紙を行γXわせ、その給紙された記録紙
が停止状態にあるレジストローラ13に先端をつり込ん
でループを形成して待機し、転写タイミンクで電磁クラ
ッチ37 が投入さnてレジストローラ13が駆動され
て記録紙が転写位置に送られろ。まr、=s@3図に示
すように、チェーン40によって駆動されるアイドルス
プロケット47トその駆動力を感光性ドラムlの軸に取
付けられたギヤー54旧よびクラッチギヤー55 K伝
、える伝達ギヤー56 との間にフリクションクラッチ
57を設け、負荷が異常に重くなったときKはそのフリ
クションクラッチ57がスリクツ状帳となって、例えば
サーボ制御系の故DHt f、にどによってサーボモー
5Mlが低速で回転しfこ0フレーキ状@になったりし
たときにインダクションモー’7M1による駆動力と干
渉してその駆動系統が破壊さnるのを防止するようにし
ている。
The paper feed roller 14 rotates once by the action of the one-turn latch 35 to move the # paper in a row γX, and the fed recording paper hangs its tip into the stopped registration roller 13 to form a loop and wait. At the transfer timing, the electromagnetic clutch 37 is engaged, the registration roller 13 is driven, and the recording paper is sent to the transfer position. As shown in Figure 3, the idle sprocket 47 driven by the chain 40 transmits its driving force to the gear 54 and clutch gear 55 K attached to the shaft of the photosensitive drum l. When the load becomes abnormally heavy, the friction clutch 57 becomes slick and, for example, the servo motor 5Ml slows down due to servo control system fault DHt f or sore. This is to prevent the drive system from being destroyed due to interference with the driving force of the induction motor 7M1 when it rotates and becomes flaky.

したがって5本発明による電子写に弐1リングの駆動方
式にゐりては、感光性ドラム1の高速回転時VC感感光
ドラム1のみなワンウェイクラッチ30の働きによって
インダクションモータMlの駆動系統から自動的に切り
離してそれをサーボモータM2vCよって駆動させ、サ
ーボモータM2の゛直源をしゃ1所させることによって
感光性ドラム1をインダクションモータM1の駆動系統
に自動的に復帰させろよ一′″1にしている1こめ、感
光体ドラムlの変速制御を容易かつ高精度に行なわせる
ことができ%%に転写時[)!インダクションモータM
1の駆動系、洸によって感光体ドラムlと給紙系の駆動
を一体に行rSわせること力5できるために、感光体ド
ラム1の周速とdピ祿紙の込l/)速度との同期が狂う
こと7a’ <転写すれのFjい画1@の11録を竹な
わせることができろようにγSろ。
Therefore, in the second ring drive system for electronic copying according to the present invention, when the photosensitive drum 1 rotates at high speed, only the VC photosensitive drum 1 is automatically removed from the drive system of the induction motor Ml by the action of the one-way clutch 30. The photosensitive drum 1 is automatically returned to the drive system of the induction motor M1 by disconnecting it from the servo motor M2 and driving it by the servo motor M2vC, and shutting off the direct source of the servo motor M2. First, the speed change control of the photoreceptor drum L can be performed easily and with high precision.
Since the drive system of No. 1 and the paper feeding system can be integrally driven by the force 5, the circumferential speed of the photoreceptor drum 1 and the speed including paper feeding (l/) of the photoreceptor drum 1 are The synchronization of 7a' is out of order 7a'

なり、第4図(ま感光性ドラム10回転に応じて電子写
真フーロセスを逐次実行する除Vこおける谷部動作のシ
ーケンメタ4ムチヤードの一しリを示すもので、ここで
iゴ露光を3回に分割して感光体ドラム1の1回転ごと
VCm元と+N元ユニット4のステツノ送りとをくり返
し有γSわせるようにした〕場合を示している。しかし
て、感光性ドラム1は2回転目で加速されて8回転目で
減速さnるまでサーボモー4M2によって高速回転さ′
nろことに1.(ろ。
Figure 4 (shows a sequence of four steps in the trough operation in which the electrophotographic process is executed sequentially as the photosensitive drum rotates 10 times; The figure shows a case in which the VCm source and the forward feed of the +N source unit 4 are repeated for each rotation of the photosensitive drum 1 to give γS. The servo motor 4M2 rotates the motor at high speed until it is accelerated at the 8th rotation and decelerated at the 8th rotation.
1. (reactor.

図中aば露光部力1ら現像部までの距#を、bはレジス
トローラ13から転写部までの距離を、Cは露光部から
転写部までの距離を%ま1こdiゴ露元部から除′#l
L都までの距離をそnぞれ示している。
In the figure, a is the distance # from the exposure part force 1 to the developing part, b is the distance from the registration roller 13 to the transfer part, and C is the distance from the exposure part to the transfer part. Remove from'#l
Each shows the distance to L.

なお、本発明は分割露光を行なわせろ際に感光体ドラム
lを変速駆動させる場合に限らす、帯′螺チャージャー
3の能力に余裕があnば帝I!時にもサーボモータM2
ICよって1感光体ドラム1を高床で回転駆動させるよ
つにTることもできる。その際、感光性ドラムlの回転
速度が露九時と同じである必要はなく、その速度設定を
任意に行なわせることはいうまでもない。また、記録媒
体はドラム状のものに限らず、エンドレスベルト状のも
のであっても同様に実施できることになる。
Note that the present invention is limited to the case where the photoreceptor drum 1 is driven at variable speeds when performing divided exposure. Sometimes servo motor M2
It is also possible to rotate one photosensitive drum 1 on a raised floor using the IC. At this time, it is needless to say that the rotational speed of the photosensitive drum 1 does not have to be the same as that at 9 o'clock, and the speed can be set arbitrarily. Furthermore, the recording medium is not limited to a drum-shaped one, but can be similarly implemented even if it is an endless belt-shaped one.

以上、本発明による遊子写真代ノリングの駆動方式[、
’bつて(1、第lのモータによって少なくとも感光性
記録媒体および給紙系に3ける駆動部を一括して駆動さ
せる手段と、ワンウェイクラッチを介して第2のモータ
によって感光性記録媒体のみを亀lのモータよりも早い
速度で2駆動させる手段とを採り、第2のモータの駆動
時にはワンウェイクラッチにより感光性記録媒体fa′
第1のモータの駆動系からスリノブさせて切りilJ[
i丁ようにしたもので1分割露光を行γjわせるよつな
場合に、感光性記録媒体の回転速度と記録紙の送り速度
との同期を外すことなく、感光性記録媒体の変速駆動を
容易かつ高棺明に行7jわせろことができるという優れ
た利点を有している。
As described above, the drive system of the Yuko photo printing machine according to the present invention [,
(1. Means for driving at least the photosensitive recording medium and the three drive units of the paper feeding system at once by the first motor, and a means for driving only the photosensitive recording medium by the second motor via the one-way clutch. When the second motor is driven, a one-way clutch is used to drive the photosensitive recording medium fa'.
Slipping and cutting from the drive system of the first motor [
In the case of performing one-division exposure γj with a device like i-d, it is possible to drive the photosensitive recording medium at variable speed without losing synchronization between the rotational speed of the photosensitive recording medium and the feeding speed of the recording paper. It has the excellent advantage of being easy to use and can be installed at a high height.

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

第1図1J本発明を具体的に実施fる1こめの電子写真
グリンタの一構成例乞示す岨略溝成図、第2図はその奄
子写無式ノリン77ic :Fjける蕗元ユニットの駆
動系統を示f簡略図、第3図は同実施例に旧ける感光性
ドラムの1駆動部分の構成を示すR視図、第4図は同実
施例に2ける各部動作のシーケンスタイミンクチャート
である。 l・・・感光性ドラム 3・・・帝′嵐チャージ1−4
・・・露光ユニット 5・・・現隊器 6−・・転写チ
ャージャー 7・・・クリーナ 13・・・レジストロ
ーラl4・・・給紙ローラ 16・・・搬送ベル]・1
7・・・定着ローラ 19・・・1非紙ローラ :’、
0.33・・・「ノンウェイクラノナ 31・・・ドラ
ムゾーリ 32・・・タイミングベルI−34,36,
38,39,48,49,51・・・スズロケット 3
5・・・ワンターンクラッチ 37・・・電1i葭クラ
ッチ 40.50・・・チェーン 5:3・・・ローク
リエンコーダ 57・・・フリクションクラッチM1・
・・インダクションモータ M2・・・サーポモ(15
FIG. 1 shows an example of the configuration of an electrophotographic printer that specifically implements the present invention. Fig. 3 is a simplified diagram showing the drive system, Fig. 3 is an R view showing the configuration of one driving part of the old photosensitive drum in the same embodiment, and Fig. 4 is a sequence timing chart of the operation of each part in the second embodiment. be. l...Photosensitive drum 3...Tei'Arashi Charge 1-4
... Exposure unit 5 ... Current equipment 6 - ... Transfer charger 7 ... Cleaner 13 ... Registration roller l4 ... Paper feed roller 16 ... Conveyance bell]・1
7...Fixing roller 19...1 Non-paper roller:',
0.33...Non-Wake Cranona 31...Drumzoli 32...Timing Bell I-34, 36,
38, 39, 48, 49, 51... Tin rocket 3
5...One-turn clutch 37...Electric 1i Yoshi clutch 40.50...Chain 5:3...Low reencoder 57...Friction clutch M1・
...Induction motor M2...Serpomo (15
)

Claims (1)

【特許請求の範囲】[Claims] 第1のモータによって少1.K くとも感光性記録媒体
Bよび給紙系における駆動部を一括して駆動させる手段
と、ワンウェイクラッチを介して第2のモータによって
感光性記録媒体のみを第lのモータよりも早い速度で駆
@させる手段とを採り、渠2のモータの駆動時にiまワ
ンウェイクラッチにより感光性韻母媒体を第1のモータ
の駆動系からスリップさせて切O離−「よつにした電子
写真式ツーリンクの駆動方式・
By the first motor, 1. K At least a means for driving the photosensitive recording medium B and the drive unit in the paper feeding system all at once, and a one-way clutch to drive only the photosensitive recording medium by the second motor at a faster speed than the first motor. When the second motor is driven, a one-way clutch is used to slip the photosensitive rhombus medium from the drive system of the first motor to disconnect it. Drive system·
JP56184144A 1981-11-17 1981-11-17 Driving system of electronic photography type printer Pending JPS5887069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56184144A JPS5887069A (en) 1981-11-17 1981-11-17 Driving system of electronic photography type printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56184144A JPS5887069A (en) 1981-11-17 1981-11-17 Driving system of electronic photography type printer

Publications (1)

Publication Number Publication Date
JPS5887069A true JPS5887069A (en) 1983-05-24

Family

ID=16148131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56184144A Pending JPS5887069A (en) 1981-11-17 1981-11-17 Driving system of electronic photography type printer

Country Status (1)

Country Link
JP (1) JPS5887069A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314536A2 (en) * 1987-09-30 1989-05-03 Fujitsu Limited Electrostatic image-forming apparatus
US5051014A (en) * 1989-06-21 1991-09-24 Brother Kogyo Kabushiki Kaisha Sheet feeding apparatus
US6162480A (en) * 1998-04-14 2000-12-19 Lipton, Division Of Conopco, Inc. Fortification of a vegetable fat with antioxidants
US7720407B2 (en) * 2005-06-29 2010-05-18 Brother Kogyo Kabushiki Kaisha Image forming apparatus with multiple driving units
CN104149496A (en) * 2014-08-08 2014-11-19 宁波精芯科技有限公司 Anti-dragging thermosensitive printer core
CN105293124A (en) * 2014-06-17 2016-02-03 夏普株式会社 Original transport device and image forming apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314536A2 (en) * 1987-09-30 1989-05-03 Fujitsu Limited Electrostatic image-forming apparatus
US5051014A (en) * 1989-06-21 1991-09-24 Brother Kogyo Kabushiki Kaisha Sheet feeding apparatus
US6162480A (en) * 1998-04-14 2000-12-19 Lipton, Division Of Conopco, Inc. Fortification of a vegetable fat with antioxidants
US7720407B2 (en) * 2005-06-29 2010-05-18 Brother Kogyo Kabushiki Kaisha Image forming apparatus with multiple driving units
US8064792B2 (en) 2005-06-29 2011-11-22 Brother Kogyo Kabushiki Kaisha Image forming apparatus with an independent drive unit for a cleaning unit
US8467698B2 (en) 2005-06-29 2013-06-18 Brother Kogyo Kabushiki Kaisha Image forming apparatus with multiple driving units for driving different components of the image forming apparatus
CN105293124A (en) * 2014-06-17 2016-02-03 夏普株式会社 Original transport device and image forming apparatus
CN104149496A (en) * 2014-08-08 2014-11-19 宁波精芯科技有限公司 Anti-dragging thermosensitive printer core

Similar Documents

Publication Publication Date Title
US5365324A (en) Multi-image forming apparatus
US4000943A (en) Two speed, duel purpose document handling system
EP0840174A3 (en) Color image forming apparatus
US4733281A (en) Transport control device for an image recording apparatus
US5440377A (en) Apparatus for controlling speed of a developing roller as it engages a photoreceptor
JPS5887069A (en) Driving system of electronic photography type printer
US6522843B2 (en) Image forming apparatus capable of judging whether it is appropriate to form an image on a sheet and controlling the image formation accordingly
JP2005022792A (en) Sheet supplying device
JPH05338854A (en) Controlling device for feed of transfer material
JPS5887068A (en) Driving system of electronic photography type printer
US6390462B1 (en) Paper supply device and image forming apparatus
JPS5898756A (en) Driving controller of printer
JP2556690B2 (en) Image forming device
JP3283740B2 (en) Image forming apparatus cleaning device
JP3369322B2 (en) Color image forming equipment
JPH03137659A (en) Developing unit driving device
JPS5811960A (en) Controlling method for copying machine
JP2698221B2 (en) Full-color electrophotographic apparatus and image forming apparatus
JP3094245B2 (en) Image forming device
JP2890365B2 (en) Image forming device
JPH0635276A (en) Image forming device
JPS61198172A (en) Image recording device
JPS61114257A (en) Image recording device
JP2605749B2 (en) Separation claw advance / retreat control device in electrophotographic apparatus
JPH07149473A (en) Printing device facilitating takeout of continuous document when jam occurs