EP1328849A1 - Systeme d'impression electrophotographique de construction modulaire - Google Patents

Systeme d'impression electrophotographique de construction modulaire

Info

Publication number
EP1328849A1
EP1328849A1 EP01982403A EP01982403A EP1328849A1 EP 1328849 A1 EP1328849 A1 EP 1328849A1 EP 01982403 A EP01982403 A EP 01982403A EP 01982403 A EP01982403 A EP 01982403A EP 1328849 A1 EP1328849 A1 EP 1328849A1
Authority
EP
European Patent Office
Prior art keywords
printing device
electrophotographic
printing
transport
module
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.)
Granted
Application number
EP01982403A
Other languages
German (de)
English (en)
Other versions
EP1328849B1 (fr
Inventor
Bernd Schultheis
Birgit Lattermann
Dieter Jung
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.)
AGC Inc
Original Assignee
Schott Glaswerke 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
Application filed by Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of EP1328849A1 publication Critical patent/EP1328849A1/fr
Application granted granted Critical
Publication of EP1328849B1 publication Critical patent/EP1328849B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • 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
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1603—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for multicoloured copies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/166—Electrical connectors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1696—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for auxiliary devices, e.g. add-on modules

Definitions

  • the invention relates to a modular electro-photographic printing device.
  • a printing device is known from EP 0 896 256 A2 with which copy paper can be coated using the color printing method.
  • the printing device has four photoconductor drums which are arranged one behind the other. The copy paper is guided past the photoconductor drums by means of a conveyor belt. Each photoconductor drum can then apply toner with a specific color to the copy paper.
  • Such printing devices are not suitable for industrial use if, for example, plate-shaped workpieces are to be provided with a decorative print.
  • the printing device must be specially adapted to the printing requirements. If, for example, two-color printing is to be carried out or a special toner is to be applied, the printing device is not optimally designed. It is an object of the invention to provide an electrophotographic printing device which can be flexibly configured in terms of its technical equipment and can be individually equipped with little effort to meet the specific print job.
  • a modular electrophotographic printing device with a carrying device that has a transport device on which a substrate can be transported between a start and a target position, with one or more on the carrying device between the start and the target position electrophotographic units are arranged, which have a developer unit, a photoconductor and an exposure unit assigned to the photoconductor, the carrier device optionally having two or more recording positions lying one behind the other in the transport direction of the transport device, which are equipped with uniform mechanical interfaces, the electrophotographic units having fastening parts, which are designed to match the interfaces.
  • the electrophotographic units independently form functional assemblies that can be positioned on the support frame at the user's choice. Depending on the print job to be done, one or more electrophotographic units can be used. As a result, different toners with different technical properties or different colors can then be printed one after the other for decoration and / or modification of surface properties of plate-shaped materials. Since the carrying device forms uniform mechanical interfaces, the electrophotographic units can be easily assembled and assigned. The assembly effort can be further reduced if it is additionally provided that the receiving positions are equipped with uniform electrical interfaces, preferably with a bus system.
  • the carrying device is composed of at least two partial frames placed one behind the other, and that the partial frames are of identical construction and each have at least one receiving position for an electrophotographic unit.
  • the carrying device can be constructed in the desired manner, adapted to the individual requirements.
  • the number of electrophotographic units to be used will determine the number of partial frames.
  • the transport device is guided over the subframes as a unitary assembly or that each subframe has its own part transport device, and that the individual part transport devices mechanically and / or via an electrical unit to form a uniform transport device Drive control are coupled.
  • the connection of the partial transport devices ensures a synchronous feed so that the substrate can be transported at a constant speed.
  • a centering module is attached to the carrying device in the area of the starting position.
  • the centering module thus again represents a unitary assembly that can be connected to the printing device in the form of a kit.
  • a precentering module is assigned upstream of the centering module in the transport direction, and that the precentering module is attached to the carrying device or to the centering module. In conjunction with the centering module, the pre-centering module ensures exact alignment of the substrates and their orderly feeding.
  • a fixing module is arranged on the carrying device or on the electrophotographic unit, which serves for pre-fixing or for fixing the toner applied to the substrate.
  • the toner can be connected to the surface of the substrate by means of a suitable energy input via the fixing module.
  • Pre-fixing the toner after the toner has been applied is particularly useful if, for example, ceramic inks are printed. These ceramic colors are usually applied to substrates on glass or glass ceramics.
  • the substrate with the pre-fixed toner is fed for final fixing to a unit in which the toner is fixed at a high temperature, in particular in the case of ceramic toners, or baked in in the case of thermoset toners.
  • the fixing module can have fastening parts, by means of which it can be coupled to the interfaces of the carrying device.
  • the interfaces are therefore not only used for fastening and exact alignment of the electrophotographic units, but also of the fixing module or modules.
  • a single fixing module can be provided for a printing device. This would usually be done in trans- Port direction can be arranged according to the individual electro-photographic units. However, it is also conceivable that a fixing module is assigned to each electrophotographic unit, with which intermediate fixing is possible. This can be particularly important if, for example, toners are to be printed on top of one another.
  • An outlet module can be provided in the area of the target position of the printing device. Using this, an orderly removal of the printed substrates can be achieved.
  • the outlet module can be, for example, a stacking device which is attached to the carrying device.
  • each electrophotographic unit has a transfer system for transferring the toner to the substrate, and that the transfer system is connected upstream in the transport direction
  • Primary load means and a secondary load means is connected downstream in the transport direction.
  • the surface of the substrate can be electrostatically charged by means of the primary and secondary charging means.
  • Conceivable charging means are charging brushes, charging rollers or charging corons, which preferably act on the surface of the substrate to be printed.
  • the substrate is then advanced to the secondary loader where it is reloaded.
  • the substrate is now either connected to both the primary loading means and the secondary loading means or alone to the secondary loading means. It should be ensured that the substrate is always connected to and is charged by at least one charging means during the coating process.
  • toners namely cyan, magenta, yellow or black colored toners
  • the individual colors can be printed on top of each other, if necessary with intermediate fixation or printed side by side and thus mixed together. This means that additional colors can be generated in a known color.
  • Fig. 1 shows a schematic representation of a printing device with an electrophotographic unit
  • Fig. 2 shows a schematic illustration of a full-color printing system.
  • the printing device can be used for single-color printing.
  • the printing device has a carrying device 15 to which a transport system 16 is assigned.
  • Various components are arranged along the transport system.
  • a substrate can be transported between a start and a target position.
  • the substrate can be, for example, a glass ceramic plate, a glass plate, a ceramic plate or a plastic plate.
  • flexible substrates such as plastic films, leather, fabrics etc., which are then fixed during the printing process on a rigid base which is located on the transport device or is part of the same.
  • a pre-centering module 1 0 is arranged in the area of the start position. The substrate is roughly positioned by means of this.
  • the substrate is then fed by means of the transport device 1 6 to a centering module 11, in which it is precisely aligned. After the substrate has been aligned, it is fed to an electrophotographic unit 1 2a.
  • the electrophotographic unit 1 2a has a developer, a photoconductor and a transfer system 1 2.2. Furthermore, the electrophotographic unit 1 2a has an exposure arrangement by means of which a latent charge image can be generated on the photoconductor in a known manner. On the basis of this charge image, the developer transfers a toner material which is stored in a separate toner cartridge of the developer to the photoconductor. The photoconductor then transfers the toner onto the substrate directly or with the aid of the transfer system 1 2.2. In order to be able to ensure a toner transfer to the substrate with good quality, a primary charging means 1 2.1 is connected upstream of the transfer system 1 2.2 and a secondary charging means 1 2.3 is connected downstream. The primary and secondary charging means introduce a charge into the surface of the substrate to be printed. This is due to the order maintained by the primary loading device and secondary loading device during the entire coating process.
  • the toner After the toner has been applied to the substrate, it passes through a fixing module 1 3. In the fixing module 1 3, the toner is connected to the substrate under the action of temperature. The substrate then arrives in a run-out module 1 4, in which it is removed from the printing device, runs into a stacking device, for example into a buffer, or arrives at further processing stations via an appropriate linkage.
  • the carrying device 1 5 is designed such that it has uniform mechanical interfaces both for the electrophotographic unit 1 2a and for the fixing module 1 3. Electro-photographic unit 1 2a and the fixing module 1 3 accordingly have fastening parts which are adapted to the mechanical and electrical interfaces of the carrying device. This allows a quick and easy assignment of these units to the support device 1 5.
  • FIG. Similar to the configuration according to FIG. 1, a carrying device 1 5 with a transport system 1 6 is used.
  • the carrying device 1 5 has five mechanical interfaces one behind the other, to which an electrophotographic unit 1 2a, 1 2b, 1 2c, 1 2d, or a fixing module 1 3 can be attached. Since the mechanical and electrical interfaces are uniform, the electrophotographic units 1 2a to 1 2d can be arranged in any order.
  • a toner is stored in each of the electrophotographic units 1 2a to 1 2d.
  • the toners are colored differently, for example a magenta-colored toner can be stored in the first electrophotographic unit 1 2a, a yellow one in the electrophotographic unit 1 2b, a cyan color in the electrophotographic unit 1 2c and a black toner in the electrophotographic unit 1 2d.
  • FIG. 2 5 are similar to that in FIG. 1 again a pre-centering module 1 0, a centering module 1 1, a fixing module 1 3 and an outlet module 1 4 are mounted. Furthermore, a transport system 16 is used, which links the individual structural units of the printing device to one another.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)

Abstract

L'invention concerne un système d'impression électrophotographique de construction modulaire qui comporte un dispositif de support comprenant un dispositif de transport sur lequel un substrat peut être transporté d'une position de départ à une position cible, une ou plusieurs unités électrophotographiques étant disposées sur le dispositif de support entre la position de départ et la position cible, lesdites unités comprenant une unité de développement, un photoconducteur et une unité d'exposition associée au photoconducteur. Le dispositif de support comprend deux ou plusieurs points de réception disposés l'un derrière l'autre dans le sens de transport du dispositif de support et pourvus d'interfaces mécaniques uniformes. Les unités électrophotographiques comprennent des pièces de fixation uniformes conçues de façon à s'adapter auxdites interfaces. Un tel système d'impression peut être mis en place avec une grande flexibilité grâce à son équipement technique et installé individuellement à moindres frais pour effectuer des travaux d'impression spécifiques.
EP01982403A 2000-10-20 2001-10-06 Systeme d'impression electrophotographique de construction modulaire Expired - Lifetime EP1328849B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10052371 2000-10-20
DE10052371A DE10052371A1 (de) 2000-10-20 2000-10-20 Modular aufgebaute elektrofotografische Druckvorrichtung
PCT/EP2001/011539 WO2002035293A1 (fr) 2000-10-20 2001-10-06 Systeme d'impression electrophotographique de construction modulaire

Publications (2)

Publication Number Publication Date
EP1328849A1 true EP1328849A1 (fr) 2003-07-23
EP1328849B1 EP1328849B1 (fr) 2008-12-17

Family

ID=7660662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01982403A Expired - Lifetime EP1328849B1 (fr) 2000-10-20 2001-10-06 Systeme d'impression electrophotographique de construction modulaire

Country Status (10)

Country Link
US (1) US7031636B2 (fr)
EP (1) EP1328849B1 (fr)
JP (1) JP4355492B2 (fr)
CN (1) CN1266552C (fr)
AT (1) ATE418092T1 (fr)
AU (1) AU2002213997A1 (fr)
CA (1) CA2426287A1 (fr)
DE (2) DE10052371A1 (fr)
ES (1) ES2317946T3 (fr)
WO (1) WO2002035293A1 (fr)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
DE10226561B4 (de) * 2002-06-14 2006-12-28 Schott Ag Gegenstand aus Glas oder Glaskeramik und Verfahren zum Dekorieren eines Gegenstandes aus Glas oder Glaskeramik
DE10354345A1 (de) * 2003-11-20 2005-07-07 Schott Ag Mehrfarben-Druckvorrichtung
DE102004054132A1 (de) * 2004-11-08 2006-05-18 Schott Ag Elektrofotografisch verarbeitbarer Toner
US8078082B2 (en) * 2008-12-10 2011-12-13 Xerox Corporation Modular printing system

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DK155061C (da) * 1983-11-03 1989-07-03 Mercante Int As Elektrofotografisk informationsskriver
US5049946A (en) * 1988-10-17 1991-09-17 Kabushiki Kaisha Toshiba Base for supporting an image forming apparatus, and function-adding device for combination therewith
DE3911933A1 (de) 1989-04-12 1990-10-18 Krause Biagosch Gmbh Vorrichtung zur herstellung einer druckform und hiermit hergestellte druckform
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JPH0566622A (ja) * 1991-09-05 1993-03-19 Toshiba Corp 画像形成装置
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Also Published As

Publication number Publication date
US20040047647A1 (en) 2004-03-11
CN1470011A (zh) 2004-01-21
JP4355492B2 (ja) 2009-11-04
DE10052371A1 (de) 2002-05-02
ES2317946T3 (es) 2009-05-01
JP2004512568A (ja) 2004-04-22
CA2426287A1 (fr) 2003-04-22
WO2002035293A1 (fr) 2002-05-02
EP1328849B1 (fr) 2008-12-17
CN1266552C (zh) 2006-07-26
AU2002213997A1 (en) 2002-05-06
DE50114589D1 (de) 2009-01-29
US7031636B2 (en) 2006-04-18
ATE418092T1 (de) 2009-01-15

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