JPS6132865A - Image formation device - Google Patents
Image formation deviceInfo
- Publication number
- JPS6132865A JPS6132865A JP15502584A JP15502584A JPS6132865A JP S6132865 A JPS6132865 A JP S6132865A JP 15502584 A JP15502584 A JP 15502584A JP 15502584 A JP15502584 A JP 15502584A JP S6132865 A JPS6132865 A JP S6132865A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- recording medium
- image
- section
- photosensitive substance
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6552—Means for discharging uncollated sheet copy material, e.g. discharging rollers, exit trays
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
- G03G2215/00371—General use over the entire feeding path
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
- G03G2215/00417—Post-fixing device
- G03G2215/00421—Discharging tray, e.g. devices stabilising the quality of the copy medium, postfixing-treatment, inverting, sorting
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper Feeding For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は、たとえば電子写真プリンタなどの画像形成装
置の改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to improvements in image forming apparatuses such as electrophotographic printers.
（発明の技術的背景とその問題点）
通常、電子写真プリンタなどの画像形成装置においては
、記録体供給部から供給された記録体を画像形成部に導
いた後、この記録体を排紙部に排紙し得るようになって
いる。(Technical background of the invention and its problems) Normally, in an image forming apparatus such as an electrophotographic printer, a recording medium supplied from a recording medium supply section is guided to an image forming section, and then this recording medium is transferred to a paper discharge section. The paper can be ejected at any time.
しかしながら、従来においては記録体供給部から排紙部
に至る記録搬送路が直線状もしくは略横Ｕ字状になるよ
うに構成されているため、排紙部等がを装置本体の壁面
より大きく突出して、装置が大形化し、大きな専有面積
を必要としてシステム機器等への組込みが困難であると
いった問題があった。However, in the past, the recording conveyance path from the recording material supply section to the paper ejection section was configured to be linear or almost horizontally U-shaped, so the paper ejection section etc. protruded far beyond the wall surface of the main body of the apparatus. However, there is a problem in that the device becomes large and requires a large exclusive area, making it difficult to incorporate it into system equipment or the like.
本発明は、上記事情にもとずきなされたもので、その目
的とするところは、極めて簡単な構成でありながら、排
紙部が装置本体より突出しないコン 。The present invention has been made based on the above circumstances, and its object is to provide a computer which has an extremely simple structure and whose paper ejection section does not protrude from the main body of the apparatus.
パックドな構成で、しかも記録体の取扱いが容易な操作
性の良い画像形成装置を提供しようとするものである。It is an object of the present invention to provide an image forming apparatus which has a packed structure and has good operability in which the recording medium can be easily handled.
本発明は、かかる上記目的を達成すべく、記録体供給部
から排紙部に至る記録体搬送路を略Ｓ字状にして、排紙
部を装置本体の上面側に配置し、しかも記録体供給部と
排紙部が同一面側に位置するようにしたものである。In order to achieve the above-mentioned object, the present invention has a recording material conveying path from a recording material supply section to a paper ejection section in a substantially S-shape, the paper ejection section is arranged on the upper side of the main body of the apparatus, and the recording material is The supply section and the paper discharge section are located on the same side.
以下、本発明の一実施例を図面を参照して説明する。第
１図は画像形成装置としての電子写真プリンタの外観を
示すもので、図中１は装置本体であり、この装置本体１
の前面側には給紙カセット２を挿入するカセット挿入口
３、操作盤４が設けられているとともに上面側には凹陥
部からなる排紙部５が形成されている。Hereinafter, one embodiment of the present invention will be described with reference to the drawings. Figure 1 shows the external appearance of an electrophotographic printer as an image forming apparatus.
A cassette insertion port 3 into which the paper feed cassette 2 is inserted and an operation panel 4 are provided on the front side of the paper feed cassette 2, and a paper discharge section 5 consisting of a concave portion is formed on the top surface side.
また、装置本体１内には画像形成部６が形成されている
。すなわち、装置本体１のほぼ中央部には像担持体とし
てのドラム状感光体７が設けられており、この感光体７
の周囲には帯電装置８、露光装置９、現像装Ｗ１０、転
写装置１１、剥離装置１２、清掃装置１３、および残像
消去装置１４が順次配置されている。Further, an image forming section 6 is formed within the apparatus main body 1. That is, a drum-shaped photoreceptor 7 as an image carrier is provided approximately at the center of the apparatus main body 1, and this photoreceptor 7
A charging device 8, an exposure device 9, a developing device W10, a transfer device 11, a peeling device 12, a cleaning device 13, and an afterimage erasing device 14 are arranged in this order around the .
また、装置本体１内には記録体収容部としての給紙カセ
ット２から給紙ローラ１５を介して自動的に取出された
記録体としての普通紙等の用紙Ｐを前記感光体７と転写
袋［１１との間の画像転写部１５を経て前記排紙部５に
導く略Ｓ字状の記録体搬送路としての用紙搬送路１８が
形成されている。Further, within the apparatus main body 1, paper P such as plain paper as a recording medium is automatically taken out from a paper feed cassette 2 as a recording medium storage section via a paper feed roller 15, and is placed between the photoreceptor 7 and a transfer bag. [11] A paper conveyance path 18 is formed as a substantially S-shaped recording medium conveyance path leading to the sheet discharge section 5 via an image transfer section 15 between the recording medium 11 and the image transfer section 15.
この用紙搬送路１８の画像転写部１７の上流側には搬送
ローラ対２５、アライニングローラ対１９が、また、下
流側には定着装置２０および排紙ローラ対２１．２２が
配置されている。A pair of conveyance rollers 25 and a pair of aligning rollers 19 are disposed on the upstream side of the image transfer section 17 of the paper conveyance path 18, and a fixing device 20 and a pair of paper discharge rollers 21 and 22 are disposed on the downstream side.
また、用紙搬送路１８のアライニングローラ対１９の手
前側に８へる搬送＄１ｓａには、手差し給紙子１６から
手差し供給された用紙Ｐを搬送する手差し給紙路２３が
設けられている。この手差し給紙路２３には搬送ローラ
対２４が設けられている。Furthermore, a manual paper feed path 23 for transporting the paper P manually fed from the manual paper feeder 16 is provided at the paper transport path 1sa toward the front side of the aligning roller pair 19 of the paper transport path 18. . A pair of transport rollers 24 is provided in this manual paper feed path 23 .
また、上記露光袋Ｍ９は、図示しないレーザビーム発生
装置、このレーザビーム発生装置から発生したレーザビ
ームａを多面体鏡２７を介して偏向する多面体鎖式光偏
向器２８、この多面体鎖式光偏向器２８によって偏向さ
れたレーザビームａを集束するＦθレンズ２９、反射ミ
ラー３０１３１、および多面体鏡２７の面倒れ補正用シ
リンダーレンズ３２とを有した構成となっている。The exposure bag M9 also includes a laser beam generator (not shown), a polyhedral chain type optical deflector 28 that deflects the laser beam a generated from the laser beam generator via a polyhedral mirror 27, and this polyhedral chain type optical deflector. It has a configuration including an Fθ lens 29 that focuses the laser beam a deflected by the mirror 28, a reflecting mirror 30131, and a cylinder lens 32 for correcting the surface tilt of the polygonal mirror 27.
なお、前記排紙部５は装置本体１の上部カバー１ａの前
部傾斜部によって形成されているとともに上部カバー１
８の下面側には全体の制御を行なう制御部としての制御
回路基板３３・・・が配置されている。Note that the paper discharge section 5 is formed by the front inclined part of the upper cover 1a of the apparatus main body 1, and the upper cover 1
A control circuit board 33 . . . serving as a control unit for controlling the entire device is disposed on the lower surface side of the device 8 .
なお、装置本体１内には図示しない上部フレームと下部
フレームとが一端部において支軸４１を介して枢支され
ていて、両フレームの他端部が所望の角度に解放できる
ように構成されている。そして、前記上部フレームには
感光体７、帯電装置８、露光装置９、現像装置１０．清
掃装置１３、残像消去装置１４、定着装置２０の加熱ロ
ーラ３５、第２の排紙ローラ対２２等が取付けられてい
て、上部ユニット４３を構成している。In addition, an upper frame and a lower frame (not shown) are pivotally supported at one end via a support shaft 41 in the apparatus main body 1, and the other ends of both frames are configured to be opened at a desired angle. There is. The upper frame includes a photoreceptor 7, a charging device 8, an exposure device 9, a developing device 10. The cleaning device 13, the afterimage erasing device 14, the heating roller 35 of the fixing device 20, the second paper discharge roller pair 22, and the like are attached to form an upper unit 43.
また、下部フレームには給紙カセット３および給紙ロー
ラ１５等からなる記録体供給部４２、転写装置１１、剥
離装置１２、定着装置２０の加圧ローラ３５等が取付け
られていて下部ユニット４４を構成している。Further, a recording medium supply unit 42 consisting of a paper feed cassette 3, a paper feed roller 15, etc., a transfer device 11, a peeling device 12, a pressure roller 35 of a fixing device 20, etc. are attached to the lower frame. It consists of
そして、画像転写部１７から第１の排紙ローラ対２１に
至る用紙搬送路１８の主搬送部１８ｂをほぼ境にこの上
部ユニット４３を開閉できるようになっている。The upper unit 43 can be opened and closed approximately at the main conveyance section 18b of the paper conveyance path 18 from the image transfer section 17 to the first pair of paper discharge rollers 21.
また、操作盤４が設けられたフロントカバー１ｂは取外
し自在な構成となっているとともにフロントカバー１ｂ
の裏面には第１の排紙ローラ対２１から第２の排紙ロー
ラ対２２に至る搬送部１８Ｇを構成するガイド部材３７
．３８の一方のガイド部材３８が一体に取付けられた状
態となっている。Further, the front cover 1b on which the operation panel 4 is provided is configured to be removable, and the front cover 1b
A guide member 37 constituting the conveying section 18G from the first paper ejection roller pair 21 to the second paper ejection roller pair 22 is provided on the back surface of the
．． One of the guide members 38 of 38 is attached integrally.
したがって、上部ユニット４３を支軸４１を回動中心と
して変位させたり、フロントカバー１ｂを取外すことに
より、用紙搬送路１８の大部分が開放され、保守点検が
容易に行なえるとともに用紙Ｐが搬送路１８に詰まった
場合には容易に取り除くことができるようになっている
。Therefore, by displacing the upper unit 43 about the support shaft 41 or removing the front cover 1b, most of the paper transport path 18 is opened, and maintenance and inspection can be easily performed and the paper P can be moved along the transport path. 18, it can be easily removed if it becomes clogged.
しかして、上記構成において、前記感光体７は図示しな
い駆動機構により矢印方向駆動される。In the above configuration, the photoreceptor 7 is driven in the direction of the arrow by a drive mechanism (not shown).
そして、まず最初に帯電装置８により一様に帯電された
後、露光装置９により画像信号に応じた画像が感光体７
上に走査され、その潜像が形成される。First, after being uniformly charged by the charging device 8, an image corresponding to the image signal is formed on the photoreceptor 7 by the exposure device 9.
and a latent image thereof is formed.
ついで、この感光体７上の潜像は回転に伴゛つて現像装
置１０に対向し現像剤［）ａにより現像される。この現
像装置１０は、複数の磁極部を有した磁気ロール４０ａ
と、この磁気ロール４０ ａに外嵌され図中時計方向に
回転する回転スリーブ４０ｂどからなる現像ローラ４０
を有し、上記回転スリーブ４０ｂが感光体７の像の流れ
に逆行する方向に回転して、その表面に保持した現像剤
ブラシＤａ′を摺接させることにより、感光体７に形成
された潜像を現像するようになっている。Then, as the latent image on the photoreceptor 7 rotates, it faces the developing device 10 and is developed with the developer [a]. This developing device 10 includes a magnetic roll 40a having a plurality of magnetic pole parts.
A developing roller 40 consisting of a rotating sleeve 40b fitted around the magnetic roll 40a and rotating clockwise in the figure.
The rotary sleeve 40b rotates in a direction opposite to the flow of the image on the photoreceptor 7, and the developer brush Da' held on the surface of the rotary sleeve 40b slides into contact with the surface of the rotary sleeve 40b, thereby removing the latent formed on the photoreceptor 7. It is designed to develop images.
また、このように現像された現像剤像は、さらに感光体
７の回転に伴って転写装置１１側に送られる。Further, the developer image developed in this manner is further sent to the transfer device 11 side as the photoreceptor 7 rotates.
一方、自動もしくは手差しされた用紙Ｐは搬送ローラ対
２６もしくは２４を介してアライニングローラ対１９に
向けて給紙され、ここで先端傾き（スキュー）などが修
正された状態で一旦待機した状態にある。そして、この
用紙Ｐは上記画像形成動作に同期して感光体７上の現像
剤像に重なる状態に送り込まれ、現像剤像が転写装置１
１の働きによって用紙Ｐに転写される。On the other hand, the automatically or manually fed paper P is fed toward the aligning roller pair 19 via the transport roller pair 26 or 24, where it is temporarily placed on standby with the leading edge tilt (skew) etc. corrected. be. Then, this paper P is fed into a state where it overlaps the developer image on the photoreceptor 7 in synchronization with the image forming operation, and the developer image is transferred to the transfer device 1.
1 is transferred onto the paper P.
ついで、この用紙Ｐは剥離装置６により静電的に感光体
７から剥離され、用紙搬送路１８を搬送され、定着装置
！２０の加熱ローラ３４と加圧ローラ３５との間に送り
込まれ、ここで、現像剤像が用紙Ｐに溶融定着される。Next, this paper P is electrostatically peeled off from the photoreceptor 7 by the peeling device 6, transported through the paper transport path 18, and then transferred to the fixing device! The developer image is sent between the heating roller 34 and the pressure roller 35 of No. 20, and the developer image is melted and fixed on the paper P here.
この後、用紙Ｐは、剥離爪３６によって加熱ローラ３４
への巻付きを防止されて第１の排紙ローラ対２１に受は
渡されて、ガイド部材３７．３８の相互対向面部によっ
て形成された′円弧状の搬送部１８Ｇに送り込まれ、つ
いで第２の排紙ローラ対２２を介して装置本体１の上部
に形成された排紙部５に排紙される。After that, the paper P is removed from the heating roller 34 by the peeling claw 36.
The receiver is prevented from winding around the rollers, is passed to the first pair of discharge rollers 21, is fed into an arcuate conveyance section 18G formed by the mutually opposing surfaces of the guide members 37 and 38, and is then fed into the second paper discharge roller pair 21. The paper is discharged to a paper discharge section 5 formed at the upper part of the apparatus main body 1 via a pair of paper discharge rollers 22 .
このとき、用紙Ｐは画像形成面を下になる状態で順次排
紙され、連続処理時において用紙Ｐ・・・のベージ順序
が狂わない状態で集積されるようになっている。At this time, the sheets P are sequentially ejected with the image forming side facing down, so that the sheets P are stacked without disrupting the page order during continuous processing.
なお、前述の一実施例において、露光装置としてレーザ
ビームを多面体鏡によって偏向するものに付いて説明し
たが、本発明はこれに限らず、他の露光手段であっても
よいことは勿論である。In the above-mentioned embodiment, an exposure apparatus in which a laser beam is deflected by a polyhedral mirror has been described, but the present invention is not limited to this, and it goes without saying that other exposure means may be used. .
また、記録体として普通紙等の用紙を用いたものについ
て説明したがこれに限るものでない。Further, although the description has been made of a case where paper such as plain paper is used as the recording medium, the present invention is not limited to this.
さらに、感光体に一旦形成した画像を記録体に転写する
ものについて説明したが、記録体に直接画像形成するよ
うにしたものであってもよい。Furthermore, although the description has been given of a device in which an image once formed on a photoreceptor is transferred to a recording medium, it may be possible to form an image directly on the recording medium.
その他、本発明は本発明の要旨を変えない範囲で種々変
形実施可能で有ることは勿論である。In addition, it goes without saying that the present invention can be modified in various ways without departing from the gist of the invention.
本発明は、以上説明したように、記録体供給部から排紙
部に至る記録体搬送路を略Ｓ字状にして、排紙部を装置
本体の上面側に配置し、しかも記録体供給部と排紙部が
同一面側に位置するようにしたから、極めて簡単かつ排
紙部が装置本体より突出しないコンパックドな構成で、
しかも記録体の取扱いが容易な操作性の良い画像形成装
置を提供できるといった効果を奏する。As explained above, the present invention has a recording medium conveyance path from a recording medium supply section to a paper discharge section that is formed into a substantially S-shape, the paper discharge section is arranged on the upper surface side of the apparatus main body, and the recording medium supply section Since the paper ejection section and the paper ejection section are located on the same side, it is extremely simple and has a compact structure in which the paper ejection section does not protrude from the main body of the device.
Moreover, it is possible to provide an image forming apparatus with good operability in which the recording medium is easy to handle.
図面は本発明の一実施例を示すもので、第１図は本発明
を適用した電子写真プリンタの外観斜視図、第２図は概
略的縦断側面図である。
１・・・・・・装置本体、３・・・・・・給紙カセット
、５・・・・・・排紙部、９・・・・・−・画像形成部
、１８・・・・・・記録体搬送路（用紙搬送路）、４２
・・・・・・記録体供給部、Ｐ・・・・・・記録体（用
紙）。The drawings show one embodiment of the present invention, and FIG. 1 is an external perspective view of an electrophotographic printer to which the present invention is applied, and FIG. 2 is a schematic longitudinal sectional side view. 1... Apparatus main body, 3... Paper feed cassette, 5... Paper ejection section, 9... Image forming section, 18...・Record conveyance path (paper conveyance path), 42
... Recording body supply unit, P... Recording body (paper).
Claims (4)
の画像形成部に導いた後、この記録体を排紙部に排紙し
得るようにした画像成装置において、前記記録体供給部
から排紙部に至る記録体搬送路を略Ｓ字状に構成し、排
紙部を装置本体の上面側に配置するようにしたことを特
徴とする画像形成装置。(1) In an image forming apparatus that is capable of guiding a recording medium supplied from a recording medium supplying section to an image forming section within the apparatus main body and then discharging the recording medium to a sheet discharging section, the recording medium supply section 1. An image forming apparatus characterized in that a recording material conveyance path from a section to a paper discharge section is configured in a substantially S-shape, and the paper discharge section is disposed on the upper surface side of the apparatus main body.
位置していることを特徴とする特許請求の範囲第１項記
載の画像形成装置。(2) The image forming apparatus according to claim 1, wherein the recording medium supply section and the paper discharge section are located on the front side of the apparatus main body.
着脱自在なカセットからなることを特徴とする特許請求
の範囲第１項記載の画像形成装置。(3) The image forming apparatus according to claim 1, wherein the recording medium storage section of the recording medium supply section is comprised of a cassette that can be freely attached to and detached from the main body of the apparatus.
ていることを特徴とする特許請求の範囲第１項記載の画
像形成装置。(4) The image forming apparatus according to claim 1, wherein the paper discharge section is constituted by a part of the upper cover of the apparatus main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15502584A JPS6132865A (en) | 1984-07-25 | 1984-07-25 | Image formation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15502584A JPS6132865A (en) | 1984-07-25 | 1984-07-25 | Image formation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6132865A true JPS6132865A (en) | 1986-02-15 |
Family
ID=15597021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15502584A Pending JPS6132865A (en) | 1984-07-25 | 1984-07-25 | Image formation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6132865A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61238620A (en) * | 1985-04-12 | 1986-10-23 | Hitachi Ltd | Image recorder |
| JPS63236052A (en) * | 1987-03-25 | 1988-09-30 | Ricoh Co Ltd | Recorder |
| EP0307942A2 (en) * | 1987-09-19 | 1989-03-22 | Fujitsu Limited | Mechanisms in image recording apparatus |
| EP0460773A2 (en) * | 1986-04-04 | 1991-12-11 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| JPH07134460A (en) * | 1994-05-16 | 1995-05-23 | Tec Corp | Electrostatic printer |
-
1984
- 1984-07-25 JP JP15502584A patent/JPS6132865A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61238620A (en) * | 1985-04-12 | 1986-10-23 | Hitachi Ltd | Image recorder |
| JPH0325385B2 (en) * | 1985-04-12 | 1991-04-05 | Hitachi Ltd | |
| EP0460773A2 (en) * | 1986-04-04 | 1991-12-11 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| EP0460773B1 (en) * | 1986-04-04 | 1995-01-04 | Seiko Epson Corporation | Apparatus for forming an image on a record medium |
| USRE34948E (en) * | 1986-04-04 | 1995-05-23 | Seiko Epson Corporation | Electrophotographic type image forming apparatus |
| JPS63236052A (en) * | 1987-03-25 | 1988-09-30 | Ricoh Co Ltd | Recorder |
| EP0307942A2 (en) * | 1987-09-19 | 1989-03-22 | Fujitsu Limited | Mechanisms in image recording apparatus |
| JPH07134460A (en) * | 1994-05-16 | 1995-05-23 | Tec Corp | Electrostatic printer |
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