EP0154695B1 - Dispositif non-mécanique d'impression ou de copiage pour plusieurs couleurs et recto-verso - Google Patents

Dispositif non-mécanique d'impression ou de copiage pour plusieurs couleurs et recto-verso Download PDF

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Publication number
EP0154695B1
EP0154695B1 EP84115053A EP84115053A EP0154695B1 EP 0154695 B1 EP0154695 B1 EP 0154695B1 EP 84115053 A EP84115053 A EP 84115053A EP 84115053 A EP84115053 A EP 84115053A EP 0154695 B1 EP0154695 B1 EP 0154695B1
Authority
EP
European Patent Office
Prior art keywords
paper
printing
devices
paper web
deflecting element
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.)
Expired
Application number
EP84115053A
Other languages
German (de)
English (en)
Other versions
EP0154695A1 (fr
Inventor
Gerhard Dipl.-Ing. Hausmann (Fh)
Hubert Dipl.-Ing. Mugrauer (Fh)
Helmut Ing. Naeser (Grad)
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.)
Siemens AG
Original Assignee
Siemens AG
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
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Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0154695A1 publication Critical patent/EP0154695A1/fr
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Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/06—Turning-bar arrangements
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0142—Structure of complete machines
    • G03G15/0178—Structure of complete machines using more than one reusable electrographic recording member, e.g. one for every monocolour image
    • G03G15/0194—Structure of complete machines using more than one reusable electrographic recording member, e.g. one for every monocolour image primary transfer to the final recording medium
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2096—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using a solvent
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
    • G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
    • G03G15/238—Arrangements for copying on both sides of a recording or image-receiving material using more than one reusable electrographic recording member, e.g. single pass duplex copiers
    • 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
    • G03G2215/00016—Special arrangement of entire apparatus
    • G03G2215/00021—Plural substantially independent image forming units in cooperation, e.g. for duplex, colour or high-speed simplex
    • 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
    • G03G2215/00443—Copy medium
    • G03G2215/00451—Paper
    • G03G2215/00455—Continuous web, i.e. roll
    • G03G2215/00459—Fan fold, e.g. CFF, normally perforated

Definitions

  • a latent image is generally generated with the aid of a laser or magnetic recording medium on a photoconductor drum or a magneto-sensitive drum, which is developed by applying toner in a developer station and then transferred to a tape-shaped recording medium in the subsequent transfer printing station.
  • the loose on the record carrier, consisting of toner image is with the help of a fuser, as z. B. is known from DE-OS-2 717 260, fixed.
  • the tape-shaped recording medium is then deposited on an automatic paper stacker.
  • the printing devices have a heat fixing station.
  • the object of the invention is to design a non-mechanical printing or copying device of the type mentioned at the outset in such a way that it is suitable both for reverse side printing and for multi-color printing.
  • z. B. pivotally connect two printing unit modules with the help of a simple hinge. This makes switching between multi-color printing and back printing particularly easy.
  • the z. B. can already be integrated in the printer module, the printing system can be switched from multi-color printing to back printing.
  • Several printing unit modules have a fixing station arranged at the end of the printing system.
  • the deflection device arranged between two devices or two printing unit modules consists of a simple inclined deflection element which is formed from a rod and which, within the paper entry area of the printing unit or device receiving the paper web, can be changed from a position that reverses the paper web to a position that deflects the paper web .
  • the device can be easily converted for a wide variety of functions and used as a single device when the rod is removed.
  • the paper web is guided between the individual devices in a tread-resistant tunnel.
  • This tunnel has a in the paper entry area of the device receiving the paper web Paper length compensation device in the manner of a loop puller.
  • This paper length compensation device consists of a stationary deflection roller and a second motor-driven deflection roller between a rest position and a paper insertion position.
  • the motor-driven deflection roller is simply moved out of the paper entry area of the device receiving the paper web.
  • the motor constantly generates a restoring force which acts on the second deflection roller and with which the paper is tensioned.
  • Scanning contacts arranged in the displacement area of the second deflection roller are linked to a warning device or control device. Is z. B. due to an asynchronous run of both devices, the paper length is too short, the second deflection roller is pressed against the front scanning contact due to the paper length arrangement and this is triggered.
  • a drum 10 with a photoconductive surface is uniformly charged with the aid of a corona charging device 11. Then with the help of a character generator 12 z. B. a controlled light beam from a laser, charge images generated on the drum 10. The charge images are then in a developer station 13 z. B. developed according to the magnetic brush principle.
  • a transfer station 14 the toner images now arranged on the surface of the drum 10 are imaged on image-receiving material 15, e.g. B. a paper web as the final record carrier.
  • the image receiving material 15 is brought up to the surface of the drum 10. It is then passed through a fixing station 16.
  • the structure of station 16 is such. B. described in more detail in DE-OS-2 838 864.
  • the fixing station 16 initially consists of a container 17, the bottom surface of which is arranged a heating device 18. A solvent located at the bottom of the container 17 is evaporated by heating. In order to prevent the solvent vapor from escaping from the container 17, cooling coils 19 are arranged in the upper region of the container. In this area, condensed solvent vapor drips back to the bottom of the container.
  • the image receiving material 15 is passed through the container 17. If it is to be fixed, the guide roller 20 is in position 1, so that the image-receiving material 15 is in the region of the solvent vapor, which can act on the toner image attached to it. During the breaks in operation, it is advisable to remove the image-receiving material 15 from the area of the solvent vapor.
  • the guide roller 20 is moved upward in the container 17 and brought into the area of the cooling coils 19, specifically into the Position 11. After the paper web 15 has passed through the fixing station, it is stacked with the aid of paper transport rollers 21 via an appropriate stacking device.
  • paper deflection rollers designed at least in the fixing station according to FIG. 2 are used.
  • These very low-inertia paper deflection rollers consist of a rigid foam body 22 made of polymethacrylimide, onto which a masking tape 23 having a large number of individual spike-like plastic elements is applied.
  • This construction results in a low-mass paper deflecting roller with low thermal conductivity, so that no solvent vapor can condense on the surface of the fixing roller (guide roller 20). This prevents wiping when starting or braking the paper web 15 and a corresponding offset printing effect.
  • a laser printer constructed in this way can now be redesigned in accordance with the invention for reverse printing.
  • the fixing station is only indicated schematically in the examples described below.
  • a first printer 30 is coupled to a second printer 31 so that the recording medium 15 emerging from the paper exit area 32 is fed to the paper entry area 29 of the second printer 31 via a coupling device.
  • the two printers 30 and 31 are operated simultaneously and are synchronized via a synchronization device to be described later.
  • the printers 30 and 31, which are set up at right angles to one another, are coupled via a coupling device which consists of a tread-resistant tunnel 33 which receives the paper web.
  • a coupling device which consists of a tread-resistant tunnel 33 which receives the paper web.
  • the cover 34 of the tunnel 33 is designed to be hinged.
  • the tunnel serves both as a guide element for the paper web and as protection for the paper web between the two printers 30 and 31.
  • the tunnel is accessible and has a non-slip mat on its surface.
  • the deflection device In the paper entry area 29 of the subsequent, paper-receiving printer 31 there is a deflection device which turns the paper web 15.
  • the deflection device consists of a round rod 35 with bevelled ends having a latching opening.
  • the locking openings of the round rods 35 work together with corresponding locking lugs 36 in the paper entry area 29.
  • the paper deflection roller 41 is in accordance with the illustration in FIG 6 slidably mounted.
  • the position of the paper deflection roller 41 can thus be adapted to different operating states.
  • the position of the paper deflecting roller 41 in operation with the round rod removed is i.e. In other words, in normal single-sided printer operation differently than in single-sided two-color printing operation according to FIG. 4.
  • a paper length compensation device in the manner of a loop puller is located in the tunnel area 33 below the paper entry area 29 of the printer 31 for paper length compensation and to facilitate the insertion of the paper web.
  • the Paper length compensation device is arranged in an advantageous, space-saving manner below the actual frame of the printer 31.
  • this paper length compensation device can also be arranged in the paper exit area 32 of the printer 30. It consists of a fixedly arranged first deflection roller 42 and a second via a motor 43 and cables 45 between a rest position and a paper insertion position of the deflection roller 46 which is longitudinally displaceable.
  • the deflection roller 46 is supported on one side on a guide rod 47; B. via roller bearings 48 directly on the floor.
  • the motor 43 In order to generate a constant paper tension on the paper web, the motor 43 is constantly in frictional engagement with the cable pulls 45 during printer operation with a continuous paper web and thus constantly exerts a tensioning force on the paper web in the rest position. If the paper web is too short, the second deflection roller 46 is pulled through the paper web 15 into the vicinity of the position of the scanning element 50 and the warning device (lamp) is actuated and the first printer 30 is stopped. To insert the paper web, the motor 43 and thus the second deflection roller 46 can be controlled directly via the printer controls.
  • the second deflection roller 46 is moved from the rear position into the threading position shown in dashed lines to insert the paper.
  • the working rhythm and timing of such devices generally allow sheet-synchronous operation - which would enable a constant paper length between the devices - for reasons related to the principle, the inevitable start and stop processes cannot be fully synchronized in the meantime.
  • These adjustment processes which are unavoidable in the start and stop process, are compensated for by the paper length compensation device described, the automatic tensioning via the second deflection roller 46 permitting optimal handling when the paper web is inserted.
  • scanning devices 52 and 53 are located in the area of the paper feed, in order to synchronize the two printers 30 and 31.
  • These scanning devices 52 and 53 consist of conventional clock disks which intervene in perforations of the paper web 15 and which are scanned by appropriate scanning means will. They generate a synchronizing signal per line - however the print is made sheet by sheet.
  • the synchronization signals - which consist of individual pulses - of the scanning devices 52 and 53 are given to an up-down counter 54 in accordance with the illustration in FIG. 7. In this forward-backward counting device, the two incoming pulse quantities are subtracted from each other, so that the difference sum clearly shows which of the two printers, e.g. B. is in the lead or lag.
  • a synchronization tolerance range can be defined by specifying an absolute amount for the counter reading. If this synchronization tolerance range is exceeded, then according to the sign of the differential amount of the pulses starting from the up-down counter 54, a corresponding z. B. designed as a comparison device evaluation device 55 one of the two printers 30 or 31 stopped.
  • the printer receiving the paper web 15 is controlled via the printer control device 56 in such a way that the single sheet currently being printed is still being written to the end. This ensures synchronization between the leaf gaps.
  • the individual printing or copying devices are designed in a modular manner, in such a way that the fixing station is accommodated in a special fixing module 57 and the actual printing unit containing the transfer station is accommodated in a special printing unit module 58, whereby the modules 57 and 58 are detachably and connectably connected to one another, this results in a particularly simple structure both for multicolor printing and for reverse side printing.
  • Is z. 9 two-color printing is desired, two printing units 58 which are filled with differently colored toner are simply coupled to one another and these printing unit modules 58 are connected to a common fixing station 57.
  • a deflection rod 60 is fixed as the deflection element. This deflecting rod 60 can be fastened within the swivel range of the two printers 30 and 31 such that it is automatically brought into the working position shown when the printing system is swung apart.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Laser Beam Printer (AREA)
  • Counters In Electrophotography And Two-Sided Copying (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Fixing For Electrophotography (AREA)
  • Color Electrophotography (AREA)

Claims (16)

1. Imprimante ou photocopieur non mécanique, dans laquelle l'image-toner développée dans un poste de développement (13) et transférée sur le support d'enregistrement (15) en forme de bande dans un poste de transfert (14), est fixée dans un poste de fixation (16) fonctionnant notamment selon le principe de fixation à froid, caractérisée en ce que plusieurs appareils (30, 31) sont disposés les uns à la suite des autres et fonctionnent simultanément, le support d'enregistrement (15) issu de la région de sortie du papier (32) de l'appareil placé en amont (30) étant conduit à la région d'alimentation en papier (29) de l'appareil placé en aval (31), et qu'à la région d'alimentation ou de sortie du papier des appareils (30, 31) est associé à un dispositif d'ajustage de la longueur du papier, du type d'un formateur de boucle.
2. Dispositif selon la revendication 1, caractérisé en ce que les appareils sont constitués de modules de fixation (57) et de modules d'impression (58), individuels, qui peuvent être accouplés les uns aux autres et qui sont démontables, un module de fixation (57) commun étant ménagé pour plusieurs modules d'impression (58) accouplés les uns aux autres.
3. Dispositif selon une des revendications 1 ou 2, caractérisé en ce que, le canal de guidage du papier entre deux appareils (30, 31), ou modules, couplés, est conjugué à un dispositif de renvoi (35) qui retourne, en fonction des besoins, la bande de papier (15).
4. Dispositif selon la revendication 3, caractérisé en ce que le dispositif de renvoi présente un élément oblique (35) en forme de tige, placé en biais dans la région d'alimentation en papier (29) de l'appareil placé en aval (31, 58), avec un élément de guidage rectiligne (40,41) en forme de rouleau, placé en aval dans la direction de transport du papier.
5. Dispositif selon la revendication 4, caractérisé en ce que l'élément de renvoi oblique (35) est ménagé de manière à pouvoir être amené d'une position retournant la bande de papier (15) à une position déviant la bande de papier (15).
6. Dispositif selon la revendication 5, caractérisé en ce que, dans la région d'alimentation en papier (29) de l'appareil placé en aval (31, 58), l'élément de renvoi oblique (35) est ménagé mobile longitudinalement et de manière à pouvoir être bloqué dans des rails de guidage (37).
7. Dispositif selon une des revendications 1 à 6, caractérisé en ce qu'un dispositif de couplage amovible pour la bande de papier (15), est prévu entre les appareils individuels, et est formé d'un tunnel (33) rigide recevant la bande de papier et peuvent être foulé au pied.
8. Dispositif selon la revendication 7, caractérisé en ce que le plan (34) du tunnel (33) pouvant être foulé au pied est pivotant.
9. Dispositif selon une des revendications 1 à 8, caractérisé en ce que le dispositif d'ajustage de la longueur du papier présente un premier élément de renvoi (42) ménagé dans une position fixe, et un second élément de renvoi (46), actionné par un moteur, et mobile longitudinalement entre une position de repos et une position de chargement du papier.
10. Dispositif selon la revendication 9, caractérisé en ce que le second élément de renvoi (46) est en liaison, par l'intermédiaire de moyens d'entraînement (45), avec un moteur (43), qui pour obtenir une tension du papier, agit par l'intermédiaire des moyens d'entraînement (45), sur l'élément de renvoi (46) dans la direction de la position de repos, avec une force de rappel prédéfinie.
11. Dispositif selon une des revendications 9 ou 10, caractérisé en ce que dans le domaine du déplacement du second élément de renvoi (46), sont prévus des éléments de détection (49, 50) qui détectent la position de l'élément de renvoi (46) et en fonction de celle-ci déclenchent un dispositif de signalisation (51).
12. Dispositif selon une des revendications 9 à 11, caractérisé en ce que le dispositif d'ajustage de la longueur du papier est ménagé en-dessous de l'imprimante, dans la région du fond.
13. Dispositif selon une des revendication 1 à 12, caractérisé en ce qu'est prévu un dispositif synchronisant le déplacement du papier qui présente des dispositifs de détection (52, 53) générant des impulsions en fonction du déplacement du papier, le premier étant conjugué à l'appareil placé en amont (30, 58), le second à l'appareil placé en aval (31, 58), lesdits dispositifs étant couplés à un dispositif compteur-décompteur (54), et qu'un dispositif d'évaluation (55) qui détecte l'état du compteur est prévu, lequel arrête, en fonction de l'état du compteur, l'appareil placé en amont (30, 58) et/ou l'appareil placé en aval (31, 58).
14. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce que l'appareil placé en amont (30, 58) et l'appareil placé en aval (31, 58) sont disposés, l'un par rapport à l'autre, à peu près à angle droit.
15. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce qu'un premier module d'impression (58) et un second module d'impression (58) sont reliés de manière amovible d'un côté, par l'intermédiaire d'articulations (59), le dispositif de renvoi (60) retournant la bande de papier (15) pouvant être placé dans la plage de pivotement dégagée lors de l'écartement, à peu près a angle droit,des modules (58).
16. Dispositif selon l'une des revendications 1 à 15, caractérisé en ce qu'au moins dans la région du poste de fixation (16), les rouleaux de renvoi du papier (21, 20) présentent une surface constituée de plusieurs éléments individuels à pointes.
EP84115053A 1984-02-21 1984-12-10 Dispositif non-mécanique d'impression ou de copiage pour plusieurs couleurs et recto-verso Expired EP0154695B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3406244 1984-02-21
DE19843406244 DE3406244A1 (de) 1984-02-21 1984-02-21 Laserdrucksystem fuer mehrfarben- und rueckseitendruck

Publications (2)

Publication Number Publication Date
EP0154695A1 EP0154695A1 (fr) 1985-09-18
EP0154695B1 true EP0154695B1 (fr) 1988-06-29

Family

ID=6228394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115053A Expired EP0154695B1 (fr) 1984-02-21 1984-12-10 Dispositif non-mécanique d'impression ou de copiage pour plusieurs couleurs et recto-verso

Country Status (4)

Country Link
US (1) US4609279A (fr)
EP (1) EP0154695B1 (fr)
JP (1) JPH0825323B2 (fr)
DE (2) DE3406244A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19505982A1 (de) * 1995-02-21 1996-08-22 Siemens Nixdorf Inf Syst Berührungslos arbeitender Positionssensor mit Nonius
DE102008030970A1 (de) 2008-06-30 2010-01-07 OCé PRINTING SYSTEMS GMBH Vorrichtung zur Pufferung einer Bedruckstoffbahn bei einem elektrografischen Druck- oder Kopiergerät
DE102008032987A1 (de) 2008-07-14 2010-01-21 OCé PRINTING SYSTEMS GMBH Vorrichtung zur Führung einer Bedruckstoffbahn zwischen hintereinander angeordneten Druckwerken bei einem Druckgerät

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EP0239845B1 (fr) * 1986-03-14 1990-10-10 Siemens Aktiengesellschaft Dispositif de commande de plusieurs imprimantes non mécaniques fonctionnant au tandem
US4782362A (en) * 1986-11-12 1988-11-01 Hitachi, Ltd. Recording apparatus having a flash fusing apparatus
US5178063A (en) * 1986-12-16 1993-01-12 L & C Family Partnership Method and apparatus for automatic numbering of forms on a rotary printing press
US4827315A (en) * 1986-12-16 1989-05-02 Larry Wolfberg Printing press
JPH01146243U (fr) * 1988-03-31 1989-10-09
JPH01262140A (ja) * 1988-04-14 1989-10-19 Ricoh Co Ltd 複連記録装置
EP0348953B1 (fr) * 1988-06-28 1993-11-03 Asahi Kogaku Kogyo Kabushiki Kaisha Imprimante pour papier d'enregistrement en forme de bande sans fin
JP2772529B2 (ja) * 1988-11-14 1998-07-02 旭光学工業株式会社 連続用紙プリンター
US5565972A (en) * 1989-11-10 1996-10-15 Asahi Kogaku Kogyo Kabushiki Kaisha Electrophotographic printer using a continuous-form recording sheet
US5043749A (en) * 1989-12-29 1991-08-27 Am International Inc. Printing press and method
WO1991013386A1 (fr) * 1990-02-26 1991-09-05 Siemens Nixdorf Informationssysteme Aktiengesellschaft Dispositif d'impression electrophotographique modulaire
US5019872A (en) * 1990-06-08 1991-05-28 Output Technology Corporation Continuous-form electrophotographic printer
DE69014617T2 (de) * 1990-07-30 1995-04-13 Toray Industries Elektrophotographisches Druckgerät.
WO1992015513A1 (fr) * 1991-03-11 1992-09-17 Siemens Nixdorf Informationssysteme Aktiengesellschaft Dispositif de deviation d'une bande d'impression entre deux imprimantes rapides
DE4129277A1 (de) * 1991-09-03 1993-03-04 Siemens Nixdorf Inf Syst Elektrofotografisches simultan-doppeldrucksystem
WO1993021566A1 (fr) * 1992-04-10 1993-10-28 Siemens Nixdorf Informationssysteme Aktiengesellschaft Dispositif d'impression electrophotographique pour l'impression simultanee sur les deux faces d'un support
EP0699315B1 (fr) * 1993-05-19 1996-10-30 Siemens Nixdorf Informationssysteme AG Dispositif d'impression electrographique de supports d'enregistrement sous forme de bandes de differentes largeurs
US5461470A (en) * 1993-06-18 1995-10-24 Xeikon Nv Electrostatographic single-pass multiple station printer for forming images on a web
JPH07237336A (ja) * 1994-01-10 1995-09-12 Fujitsu Ltd 連続紙の両面印刷システム
JPH09507666A (ja) * 1994-01-24 1997-08-05 シーメンス ニクスドルフ インフオルマチオーンスジステーメ アクチエンゲゼルシヤフト 帯状の記録担体を処理するための摩擦駆動装置を備えた印刷装置
DE69431239T2 (de) * 1994-04-05 2003-04-17 Xeikon N.V., Mortsel Elektrostatographisches Kopier- oder Druckgerät
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DE102008030970A1 (de) 2008-06-30 2010-01-07 OCé PRINTING SYSTEMS GMBH Vorrichtung zur Pufferung einer Bedruckstoffbahn bei einem elektrografischen Druck- oder Kopiergerät
DE102008032987A1 (de) 2008-07-14 2010-01-21 OCé PRINTING SYSTEMS GMBH Vorrichtung zur Führung einer Bedruckstoffbahn zwischen hintereinander angeordneten Druckwerken bei einem Druckgerät

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DE3472476D1 (en) 1988-08-04
JPH0825323B2 (ja) 1996-03-13
JPS60201954A (ja) 1985-10-12
EP0154695A1 (fr) 1985-09-18
US4609279A (en) 1986-09-02
DE3406244A1 (de) 1985-08-22

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