JPH043758A - Electrophotographic printer - Google Patents
Electrophotographic printerInfo
- Publication number
- JPH043758A JPH043758A JP10480090A JP10480090A JPH043758A JP H043758 A JPH043758 A JP H043758A JP 10480090 A JP10480090 A JP 10480090A JP 10480090 A JP10480090 A JP 10480090A JP H043758 A JPH043758 A JP H043758A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- sheet
- printing
- toner image
- photosensitive drum
- 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
- 238000007639 printing Methods 0.000 claims abstract description 46
- 238000007664 blowing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000032258 transport Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Dry Development In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野コ
本発明はトナーを使用する電子写真方式に蟇づくプリン
ターに関し、特に転写後の印刷用紙を、定着装置へ搬送
する搬送経路の改良に関するもの−のり０
口従米の技術］
従来の電子写真プリンターにおげろ、転写から定着まで
の紙搬送経路は、印刷用紙の裏百を支持する表面紙案内
によって、定着装置へ搬送するよ５に構成されていた。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a printer that uses an electrophotographic method using toner, and particularly relates to an improvement in the conveyance path for conveying printed paper after transfer to a fixing device. In conventional electrophotographic printers, the paper conveyance path from transfer to fixation is structured in such a way that the paper is conveyed to the fixing device by a front paper guide that supports the back side of the printing paper. Ta.
また、印刷用紙の表面を案内する表面紙案内は、印刷面
に接触するとトナー像を乱すことから、紙づまつを防ぐ
だげのＭ動的な案内として、裏面紙案内に対し、２ｏＩ
ＩＩ１１程度の間隙を保ち配設されていた。In addition, the front paper guide, which guides the front side of the printing paper, disturbs the toner image when it comes into contact with the printing surface, so it is used as a dynamic guide to prevent paper jams, compared to the back paper guide.
They were placed with a gap of about II11.
口発明が解決しようとする腺８コ
以上述べたよ５な従来の構成による紙搬送経路において
は、紙の重量に頼った、弱いカでしか、印刷用紙を裏面
紙案内に沿わせることができるため、折れ曲がりや、カ
ールのある印刷用紙は、裏面紙案内からの浮きが発生す
る。こりような浮きが発生すると、印刷用紙が定着装蓋
忙スムースに人いらなくなり、トナー像が乱れたり、表
面紙案内に接触して、トナーこすれとなるという問題を
有していた。また、印刷用紙が定着装置を一度通過した
場合、紙カールの発生は必然である。したがって、従来
構造の紙搬送経路では、定着装置を２度通過させること
により達成される両面印刷において、印刷孔れのないプ
リンターを提供することは非常に困難なものとなってい
た。また従来の紙搬送経路では、印刷用紙の重さに頼っ
て、印刷用紙を定着装置へ案内するため、裏面紙案内を
重力下方に配設しなげればならないというレイアウト上
の制約を有し、プリンターの小形化や操作性向上のため
の＃４造変更の大きな障害となっていた本発明の目的は
以上述べた転写後の印刷用紙を定着装置まで搬送する経
路における、印刷用紙汚れやトナー像の乱れを無（すこ
と。これＫよって印刷孔れのない両面印刷を可能とする
こと。さらにはプリンターレイアウトの制約となり、プ
リンターの大形化の主要因となっていた紙壁送経路にレ
イアウトの自由度を与えることによってプリンターの小
形化を達成することにある。8 points that the invention aims to solve In the paper conveyance path with the conventional structure described above, printing paper can only be made to follow the back paper guide using a weak force that relies on the weight of the paper. If the printing paper is bent or curled, it may float away from the back paper guide. When such lifting occurs, there are problems in that the printing paper does not flow smoothly with the lid of the fixing device, the toner image is disturbed, and the toner comes into contact with the surface paper guide, resulting in toner rubbing. Furthermore, once the printing paper passes through the fixing device, it is inevitable that the paper will curl. Therefore, in the paper conveyance path of the conventional structure, it has been extremely difficult to provide a printer without printing holes in double-sided printing achieved by passing the paper through the fixing device twice. In addition, the conventional paper conveyance path relies on the weight of the printing paper to guide the printing paper to the fixing device, so there is a layout restriction in that the back paper guide must be placed below gravity. The purpose of the present invention is to prevent stains on printing paper and toner images in the path that transports the printing paper after transfer to the fixing device, which was a major obstacle in changing the #4 structure to make printers more compact and improve operability. This also enables double-sided printing without printing holes.Furthermore, it is necessary to eliminate the paper wall feed path, which was a constraint on the printer layout and the main reason for the increase in printer size. The aim is to achieve miniaturization of the printer by giving more freedom to the printer.
［課題を解決するための手段］
以上述べた目的を達成するため、転写後の印刷用紙を定
着装置へ案内する紙搬送経路において、請求項（１）記
載の発明は、印刷用紙を案内する紙案内に、印刷用紙の
裏面を吸引する吸引口を設けたことを特徴とする請求項
（２）記載の発明は、印刷用紙の表面に空気を吹き出す
吹き出し口を紙案内に設けたことを特徴とする請求項（
３）記載の発明は、紙案内に、吸引口と吹き出し口とを
設けたことを特鷲とする。[Means for Solving the Problems] In order to achieve the above-mentioned object, the invention as claimed in claim (1) provides a paper transport path for guiding the printed paper after transfer to a fixing device. The invention according to claim (2) is characterized in that the guide is provided with a suction port that sucks the back side of the printing paper. Claims (
3) The invention described above is characterized in that the paper guide is provided with a suction port and a blowout port.
［冥施例コ
以下本発明を適用した電子写真プリンターの一冥施例を
示す第１図〜纂５図及び紙保持力特性を示す第６図を用
いて説明する。この実施例では、吸ぢ［口と吹ぎ出し口
とを設けである。第１図は本冥施例の電子写真プリンタ
ーの一断面図である。[Example] Hereinafter, an explanation will be given using FIGS. 1 to 5 showing an example of an electrophotographic printer to which the present invention is applied, and FIG. 6 showing paper retention characteristics. In this embodiment, a suction port and a blowout port are provided. FIG. 1 is a sectional view of the electrophotographic printer of this embodiment.
感光ドラム１の上方に現ｉ装置２、右下方に帯電装置７
．除電装置６．下方に感光ドラム１上の残留トナーをク
リーニングするためのクリーニング装置４及び廃トナー
回収容器５をそれぞれ配設しこれらを一体的に形成しプ
ロセスユニット８として構成し、プリンター本体からプ
ロセスユニット８が脱着できるようにしである。また、
感光ドラム１の左方に転写装置３、上方に紙入ロローラ
３２、紙先端検出器３１、給紙装置３５．５６を配設し
、下方に定着装置３５．排紙ローラ５４、右方に潜像形
成装置９を配設している。そして転写後の印刷用紙を定
着装＆／１３３へ基円する紙侵送経路には、裏面紙案内
１０の中央付近において、矢印Ａ方向に空気を吸い込む
吸引口１３を設けである。また、吸引口１５を７アン１
２と接続する吸引７−ド１１が設けである。さらに、表
面紙案内１８をプロセスユニット８の廃トナー回収容器
５の近傍に一体的に構成し、表面紙案Ｐｇ１ａの中央付
近において、吸引口１５と対抗する位ＭＫ’２気を矢印
Ａ方向に吹き出す吹き出し口１７を設けである。また、
吹き出し口１７へ空気を送り出す吹き出しフード１６が
設けられている。そして、紙先鋪検出器３１２紙入ロロ
ーラ３２．転写装置３ル裏面紙案内ｉ０．吸入口１３．
吸入フード１１、吸入ファン１２．定着装置５３．排紙
ローラ３４は開閉ケース３０に一体的に取り付けられて
いる。The current i device 2 is above the photosensitive drum 1, and the charging device 7 is below the right side.
．． Static eliminator 6. A cleaning device 4 for cleaning residual toner on the photosensitive drum 1 and a waste toner collection container 5 are disposed below, and these are integrally formed as a process unit 8, and the process unit 8 is detachable from the printer body. It is possible to do so. Also,
A transfer device 3 is provided to the left of the photosensitive drum 1, a paper roller 32, a paper leading edge detector 31, and a paper feed device 35.56 are provided above the photosensitive drum 1, and a fixing device 35.56 is provided below. A latent image forming device 9 is disposed on the right side of the paper discharge roller 54. A suction port 13 for sucking air in the direction of arrow A is provided near the center of the back paper guide 10 in the paper transport path that carries the transferred printing paper to the fixing device &/133. In addition, the suction port 15 is
2 and a suction 7-door 11 are provided. Furthermore, the front paper guide 18 is integrally constructed near the waste toner collection container 5 of the process unit 8, and the MK'2 air is directed in the direction of arrow A in the vicinity of the center of the front paper plan Pg1a, opposing the suction port 15. A blowout port 17 is provided for blowing air. Also,
A blow-off hood 16 is provided that sends air to a blow-off port 17. Then, a paper leading edge detector 312, a paper loading roller 32. Transfer device 3 back paper guide i0. Inlet 13.
Suction hood 11, suction fan 12. Fixing device 53. The paper discharge roller 34 is integrally attached to the opening/closing case 30.
以上の構成による一連の印刷工程を説明する。A series of printing steps with the above configuration will be explained.
プリンターが印刷指令を外部から受けると、給紙装置３
５から印刷用紙３７が紙入ロローラ３２まで送られる。When the printer receives a print command from the outside, the paper feed device 3
5, the printing paper 37 is sent to the paper roller roller 32.
また印刷指令により、感光ドラム１が回転を始め、ファ
ン１２も回転を始める。そして紙入コロ−２３２０回転
により印刷用紙５７は感光ドラム１へ送られ、潜像形成
装置９は感光ドラムへの潜像形成を開始し、現像装置２
によってトナー像が形成され転写装置６によって感光ド
ラム１上に形成されたトナー像が印刷用紙６７に転写さ
れる。その後、印刷用紙３７は、裏面紙案内１ｏｆ）＠
肩口１５の吸引力と、表面紙案内１８の吹き′出し口１
７からの吹き川し力によって裏面紙案内１０に密着して
進み、定着装置３３ヘスムースに進入してい（。そして
未定着トナーが定着され、排紙ローラ５４によって排出
される。Further, in response to the print command, the photosensitive drum 1 starts rotating, and the fan 12 also starts rotating. Then, the printing paper 57 is sent to the photosensitive drum 1 by the rotation of the paper roller 2320, the latent image forming device 9 starts forming a latent image on the photosensitive drum, and the developing device 2
A toner image is formed by the transfer device 6, and the toner image formed on the photosensitive drum 1 is transferred onto the printing paper 67. After that, the printing paper 37 is printed on the back paper guide 1of) @
The suction force of the shoulder opening 15 and the air outlet 1 of the front paper guide 18
Due to the blowing force from 7, the toner advances in close contact with the back paper guide 10, and smoothly enters the fixing device 33 (.Then, the unfixed toner is fixed and discharged by the paper discharge roller 54.
本実施例は、吸引用のファンと吹き出し用のファンとを
ひとつの７アン１２で兼用している。これについて、第
２図〜第４図を用いて説明する。In this embodiment, one 7-an 12 serves both as a suction fan and a blowout fan. This will be explained using FIGS. 2 to 4.
第２図は、プリンターを側面からみた奴引フード１１と
吹き出しフード１６とをＭｕするＨａフード１４，１９
を示したもので、ファン１２の吹キ出しの空気を開閉ケ
ースｓｏ側の接続フード１４によって、本体５８側の接
読７−ド１９と接続しプロセスユニット８の吹き出しフ
ード１６へ接続するようになっている。第３図は第２図
の状態から開閉ケース３ｏを開げた状態を示したもので
、開閉ケース３０１！！１の接続７−ド１４の先端には
、密閉性を確保するための７ランジ１５が形成されてい
る。また、本体側の接続７−ド１９には、苫封のための
弾性部材を有する本体フランジ２゜が設けである。さら
に、第４図は、第６図の８閉ケース５０を矢印ｑ方向か
ら見た図であり、吸入０１３、収入７−ド１１．ンアン
１２．翔閉ケース５０＃ｆ）ｇＶｅ７ ）−１４の位
置関係を示している。そして第５図は第３図の矢印Ｐ方
向から見た図であり、プロセスユニット８における吹き
出し口１７と吹き出し７−ド１６及び本体３８劇の接続
フード１９の位置関係を示している。プロセスユニット
８の吹き出しフード１６と、本体ｒＩ８−の接続フード
１９との間には、密封性を碍るための弾性状のシール２
２が設げられている。FIG. 2 shows Ha hoods 14 and 19 that connect the pull hood 11 and the blow-out hood 16 when the printer is viewed from the side.
The air from the fan 12 is connected to the reading 7-door 19 on the main body 58 side through the connecting hood 14 on the opening/closing case SO side, and then to the air blowing hood 16 on the process unit 8. It has become. FIG. 3 shows the opening/closing case 3o opened from the state shown in FIG. 2, and the opening/closing case 301! ! A 7 flange 15 is formed at the tip of the 1 connection 7-door 14 to ensure airtightness. Further, the connecting door 19 on the main body side is provided with a main body flange 2° having an elastic member for sealing. Furthermore, FIG. 4 is a view of the 8-closed case 50 of FIG. 6 viewed from the direction of arrow q, with intake 013, intake 7-de 11. 12. The positional relationship of the closing case 50#f)gVe7)-14 is shown. FIG. 5 is a view seen from the direction of arrow P in FIG. 3, and shows the positional relationship between the air outlet 17 and the air outlet 16 in the process unit 8, and the connection hood 19 of the main body 38. An elastic seal 2 is provided between the blow-off hood 16 of the process unit 8 and the connection hood 19 of the main body rI8- to improve sealing performance.
2 is provided.
以上述べた実施例による実験結果である、転写から定着
までの紙敢送経路における紙の浮き刀と、＃、押えカと
の関係を第６図を用いて説明する。The relationship between the paper float and the # and presser foot in the paper feed path from transfer to fixation, which are the experimental results of the above-mentioned embodiments, will be explained with reference to FIG.
第６図において左側の縦線は裏面紙案内１ｏの位置を示
し、目盛りは裏面紙案内１ｏへ紙を密着させよ５とする
力、すなわち紙押えカを表わす。右動の縦線は表面紙案
内１８の位置を示し、裏面紙案内１０と表面紙案内１８
との間隔は、ｉｏ九ｍとなっている。そして、カール等
によって、裏面紙案内１ｏより紙が浮こうとする紙の浮
きカは、最大で約２０ ｇｆ となり破線で示す。この
紙の浮き力に対抗し、裏面紙翼内１ｏに紙を押える紙押
え力は、裏面紙案内１０側の吸引による力とし又の紙押
え力Ａのカーブと、表面紙案内１８１１ｉ！ｌの吹き出
しくよる力としての紙押え力Ｂのカーブとの合計、すな
わち紙押え力Ｃのカーブとなる。この図で示すように本
実施例の場合、裏面紙案内１゜劇のｇ＆引による力Ａだ
けでは裏面紙案内１ｏがらの組陥が騒れると急激に減少
するために、紙の浮き力に対して紙押え力が不足する。In FIG. 6, the vertical line on the left side indicates the position of the back paper guide 1o, and the scale represents the force 5 that brings the paper into close contact with the back paper guide 1o, that is, the paper pressing force. The vertical line moving to the right indicates the position of the front paper guide 18, and the back paper guide 10 and the front paper guide 18.
The distance between the two is io9m. The floating force of the paper, which tends to float from the back paper guide 1o due to curling or the like, is approximately 20 gf at maximum, which is shown by a broken line. The paper pressing force that opposes this paper floating force and presses the paper into the back paper wing 1o is determined by the suction force on the back paper guide 10 side, the curve of the paper pressing force A, and the front paper guide 1811i! This is the sum of the curve of the paper pressing force B as a force due to the speech bubble of l, that is, the curve of the paper pressing force C. As shown in this figure, in the case of this embodiment, the force A due to g & pull of the back paper guide 1° will rapidly decrease when the back paper guide 1o is jammed, so the buoyancy force of the paper will decrease. However, the paper pressing force is insufficient.
また、表面紙案内１８の吹き出しによる力は裏面紙案内
１ｏの表面で最少となり、紙を押さえるカとじて余裕が
無く不安定なものとなる。Further, the force generated by the balloon from the front paper guide 18 is at its minimum on the surface of the back paper guide 1o, and there is no margin for holding the paper, making it unstable.
そこで、本実施例は、吸引口と吹き出し口の両方を設け
ることによって、紙押え力Ｃのカーブを得、紙の浮き力
に対抗して十分に余裕を持った紙押え力を得たものであ
る。しかも、本実施例によれば、吸引と吠き出しを１つ
の７アン１２で、流路を閉ループにすることＫより達成
しているのでコストが安く、小形化も可能となっている
。また、空気を外に吹き出さないことから、トナー飛散
等の問題も発生しない装置となっている。さらに、本案
施例のように、感光ドラム１に対し、定着装置５３が下
方にあるようなプリンターにお（・では、感光ドラム１
と、定着装置３３との間に、定着装置３６から発生する
熱の上昇を、しゃ断するように空気流が発生するため、
熱に弱℃・電子写真プロセス要紫の温度上昇を防止する
こと力１できるという効果を有するものである。Therefore, in this embodiment, by providing both a suction port and a blowout port, a curve of the paper pressing force C is obtained, and a paper pressing force with sufficient margin to counter the floating force of the paper is obtained. be. Moreover, according to this embodiment, suction and barking are achieved with one 7-ring 12, and the flow path is made into a closed loop than K, so the cost is low and miniaturization is possible. Furthermore, since no air is blown out, the device does not cause problems such as toner scattering. Furthermore, as in the present embodiment, in a printer where the fixing device 53 is located below the photosensitive drum 1, the photosensitive drum 1
Since an air flow is generated between the fixing device 36 and the fixing device 33 to cut off the rise in heat generated from the fixing device 36,
It has the effect of being able to prevent temperature rises that are weakly resistant to heat and required for electrophotographic processes.
以上吸引と吹き出しとにより、紙を押えることの擾位性
について述べてきたが、ファン１２の）ぐワーをアップ
して紙押え力をあげることで吸フ［又は炊き出しの一一
方によっても紙を安定して保持することは可能である。As mentioned above, we have described the ability to press the paper by suction and blowing. By increasing the power of the fan 12 and increasing the paper pressing force, the paper can be moved by suction [or by one side of the cooking outlet]. It is possible to keep it stable.
なお、吹き出しによって未転写のトナー像の乱れや、ト
ナー飛散が発生するか調査した所、本実験においては全
く問題のな（・ことが確認できて−・る。It should be noted that when we investigated whether the balloons caused disturbances in the untransferred toner image or caused toner scattering, it was confirmed that there were no problems at all in this experiment.
また風の流れがスムースなるように本冥施例においては
、吸引口より吹き出し口の口の大きさを小さくしである
。In addition, in this embodiment, the size of the outlet is smaller than that of the suction port so that the air flows smoothly.
［発明の効果コ
以上述べたように本発明によれば、電子写真プリンター
におけるトナー像乱れや、トナーこすれの主原因であっ
た、転写から定着までの紙搬送経路における、トラブル
を解消し、紙カールが必ず発生する両面印刷においても
スムースに紙を搬送することができ、良好な印字が安定
して得られるプリンタを提供するとともに、重力下方に
しか配設することのできなかった紙案内のレイアウトに
自白式を与え、従来考えることのできないよ、うなレイ
アウトのプリンターを提供でき、それにより大幅な装置
の小形化をも達成することができる[Effects of the Invention] As described above, according to the present invention, troubles in the paper conveyance path from transfer to fixation, which were the main causes of toner image disturbance and toner rubbing in electrophotographic printers, can be solved, and paper We provide a printer that can transport paper smoothly even in double-sided printing, where curling always occurs, and can stably produce good prints, as well as a paper guide layout that could only be placed below gravity. It is possible to provide a printer with a layout that was previously unimaginable, and thereby achieve a significant reduction in the size of the device.
【図面の簡単な説明】
第１図は本発明の電子写真プリンターの一実施例を示す
ｗ断面図。
第２図は本発明のｙ子写真プリンターの一実施例の吸引
フードと吹き出しフードとをＭ Ｊする接続フードを示
す側面図。
第３図は本発明の電子写真プリンターの一実施例のメン
テナンス時の側面図。
第４図は本発明の電子写真プリンターの一実施例の裏面
紙案内を示す正面図。
纂５図は本発明の電子写真プリンターの一実施例の表面
紙案内を示す正面図。
第６図は本発明の紙保持力特性を示す図。
１・・・・・・・・・感光ドラム
２・・・・・・・・・現像装置
５・・・・・・・・・転写装置
１０・・・・・・・−・基面紙案内
１１・・・・−・・・・吸引フード
１２・・・・・・・・・ファン
１５・・・・・・・・・吸引口
１４・・・・・・・・−前ケース接続フード１６・・・
・・・・・・吹き出しフード１７・・・・・−・・・吹
き出し口
１８・・・・・・・・・表面紙案内
１９・・・・・・・−・本体接屁フード第１図
第４図
第３図
第５図BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing an embodiment of the electrophotographic printer of the present invention. FIG. 2 is a side view showing a connecting hood that connects a suction hood and a blow-out hood in an embodiment of the Y-child photographic printer of the present invention. FIG. 3 is a side view of an embodiment of the electrophotographic printer of the present invention during maintenance. FIG. 4 is a front view showing the back paper guide of an embodiment of the electrophotographic printer of the present invention. Figure 5 is a front view showing the front paper guide of an embodiment of the electrophotographic printer of the present invention. FIG. 6 is a diagram showing the paper retention characteristics of the present invention. 1......Photosensitive drum 2...Developing device 5...Transfer device 10...Base paper guide 11...Suction hood 12...Fan 15...Suction port 14...Front case connection hood 16 ...
...Blowout hood 17 ...Blowout port 18 ...... Surface paper guide 19 ...Body fart hood Figure 1 Figure 4 Figure 3 Figure 5
Claims (3)
上にトナー像を形成する現像装置と、前記トナー像を印
刷用紙に転写する転写装置と、前記印刷用紙に転写され
たトナー像を定着する定着装置と、前記印刷用紙を前記
定着装置へ案内する紙案内とを有する電子写真プリンタ
ーにおいて、前記印刷用紙の裏面を吸引する吸引口を前
記紙案内に設けたことを特徴とする電子写真プリンター
。(1) A photosensitive drum that holds a toner image, a developing device that forms a toner image on the photosensitive drum, a transfer device that transfers the toner image onto printing paper, and a fixing device that fixes the toner image transferred to the printing paper. an electrophotographic printer having a fixing device for guiding the printing paper to the fixing device, and a paper guide for guiding the printing paper to the fixing device, wherein the paper guide is provided with a suction port for sucking the back side of the printing paper. .
上にトナー像を形成する現像装置と、前記トナー像を印
刷用紙に転写する転写装置と、前記印刷用紙に転写され
たトナー像を定着する定着装置と、前記印刷用紙を前記
定着装置へ案内する紙案内とを有する電子写真プリンタ
ーにおいて、前記印刷用紙の表面に空気を吹き出す吹き
出し口を前記紙案内に設けたことを特徴とする電子写真
プリンター。(2) A photosensitive drum that holds a toner image, a developing device that forms a toner image on the photosensitive drum, a transfer device that transfers the toner image onto printing paper, and a fixing device that fixes the toner image transferred to the printing paper. and a paper guide for guiding the printing paper to the fixing device, wherein the paper guide is provided with an air outlet for blowing air onto the surface of the printing paper. printer.
上にトナー像を形成する現像装置と、前記トナー像を印
刷用紙に転写する転写装置と、前記印刷用紙に転写され
たトナー像を定着する定着装置と、前記印刷用紙の裏面
を案内する裏面紙案内と、印刷用紙の表面を案内する表
面紙案内とを有する電子写真プリンターにおいて、前記
印刷用紙の裏面を吸引する吸引口を前記裏面紙案内に設
けると共に、前記印刷用紙の表面に、空気を吹き出す吹
き出し口を前記表面紙案内に設けたことを特徴とする電
子写真プリンター。(3) A photosensitive drum that holds a toner image, a developing device that forms a toner image on the photosensitive drum, a transfer device that transfers the toner image onto printing paper, and a fixing device that fixes the toner image transferred to the printing paper. In an electrophotographic printer, the electrophotographic printer has a fixing device that guides the back side of the printing paper, a back paper guide that guides the back side of the printing paper, and a front paper guide that guides the front side of the printing paper. An electrophotographic printer characterized in that the front paper guide is provided with an air outlet for blowing air out onto the surface of the printing paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10480090A JPH043758A (en) | 1990-04-20 | 1990-04-20 | Electrophotographic printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10480090A JPH043758A (en) | 1990-04-20 | 1990-04-20 | Electrophotographic printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH043758A true JPH043758A (en) | 1992-01-08 |
Family
ID=14390516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10480090A Pending JPH043758A (en) | 1990-04-20 | 1990-04-20 | Electrophotographic printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043758A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008037642A (en) * | 2006-08-10 | 2008-02-21 | Fuji Xerox Co Ltd | Recording medium conveying mechanism and liquid drop discharging device |
| JP2009101652A (en) * | 2007-10-25 | 2009-05-14 | Seiko Epson Corp | Inkjet printer |
| JP2010052843A (en) * | 2008-08-26 | 2010-03-11 | Seiko Epson Corp | Conveyance device, inspection device having the same, and inspection system having the same |
| JP2010241154A (en) * | 2010-08-05 | 2010-10-28 | Seiko Epson Corp | Inkjet printer |
| JP2010253959A (en) * | 2010-08-05 | 2010-11-11 | Seiko Epson Corp | Printer |
| JP2013190627A (en) * | 2012-03-14 | 2013-09-26 | Sharp Corp | Image forming apparatus |
-
1990
- 1990-04-20 JP JP10480090A patent/JPH043758A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008037642A (en) * | 2006-08-10 | 2008-02-21 | Fuji Xerox Co Ltd | Recording medium conveying mechanism and liquid drop discharging device |
| JP4569540B2 (en) * | 2006-08-10 | 2010-10-27 | 富士ゼロックス株式会社 | Recording medium transport mechanism and droplet discharge device |
| JP2009101652A (en) * | 2007-10-25 | 2009-05-14 | Seiko Epson Corp | Inkjet printer |
| US8684517B2 (en) | 2007-10-25 | 2014-04-01 | Seiko Epson Corporation | Inkjet printer |
| US9079429B2 (en) | 2007-10-25 | 2015-07-14 | Seiko Epson Corporation | Inkjet printer |
| JP2010052843A (en) * | 2008-08-26 | 2010-03-11 | Seiko Epson Corp | Conveyance device, inspection device having the same, and inspection system having the same |
| JP2010241154A (en) * | 2010-08-05 | 2010-10-28 | Seiko Epson Corp | Inkjet printer |
| JP2010253959A (en) * | 2010-08-05 | 2010-11-11 | Seiko Epson Corp | Printer |
| JP2013190627A (en) * | 2012-03-14 | 2013-09-26 | Sharp Corp | Image forming apparatus |
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