EP0593813B1 - Imprimante ou copieur électrographique muni d'une station de fixage thermique et d'un agencement pour la sélection des paramètres de fonctionnement par commande à programme - Google Patents

Imprimante ou copieur électrographique muni d'une station de fixage thermique et d'un agencement pour la sélection des paramètres de fonctionnement par commande à programme Download PDF

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Publication number
EP0593813B1
EP0593813B1 EP19920118108 EP92118108A EP0593813B1 EP 0593813 B1 EP0593813 B1 EP 0593813B1 EP 19920118108 EP19920118108 EP 19920118108 EP 92118108 A EP92118108 A EP 92118108A EP 0593813 B1 EP0593813 B1 EP 0593813B1
Authority
EP
European Patent Office
Prior art keywords
fixing
arrangement
menu
input
paper
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 - Lifetime
Application number
EP19920118108
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German (de)
English (en)
Other versions
EP0593813A1 (fr
Inventor
Edmund Dipl.-Ing. Creutzmann (Fh)
Walter Dipl.-Ing. Kopp (Fh)
Hans Dipl.-Ing. Winter
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.)
Canon Production Printing Germany GmbH and Co KG
Original Assignee
Wincor Nixdorf International GmbH
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.)
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Publication date
Application filed by Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH
Priority to EP19920118108 priority Critical patent/EP0593813B1/fr
Priority to DE59204861T priority patent/DE59204861D1/de
Publication of EP0593813A1 publication Critical patent/EP0593813A1/fr
Application granted granted Critical
Publication of EP0593813B1 publication Critical patent/EP0593813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure
    • 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
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2039—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature
    • 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
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
    • G03G15/2021—Plurality of separate fixing and/or cooling areas or units, two step fixing

Definitions

  • the invention relates to an electrographic printing or copying device with a heat-setting station and an arrangement for program-controlled setting of operating parameters of the fixing station.
  • Such a device is known for example from the abstract of JP-A-2062574.
  • heat-fixing devices are used in electrographic printing or copying machines which work according to the electrophotographic, ionographic or magnetographic principle, which have a preheating saddle with a downstream fixing zone comprising a heated fixing roller and a pressure roller.
  • Such heat fixing devices are e.g. known from US-A-4 147 922 or JP Abstract Vol. 13, No. 120, March 24, 1989 (JP-A-63-292177).
  • the print quality of such devices depends crucially on the fixing quality that can be achieved with the fixing station.
  • the fusing quality depends on the various operating parameters of the fusing station. These are e.g. the fixing energy supplied to the recording medium and the negative pressure with which the recording medium is braked and pressed against the preheating caliper.
  • the fixing energy supplied is of particular importance. It must not be too big and not too fast are fed to the record carrier, because otherwise the record carrier is stressed too much and permanent deformations interfere with the paper postprocessing. On the other hand, the fixing energy must be so high that the loose toner images are securely connected to the recording medium. It is therefore beneficial to regulate the fixing energy to be supplied.
  • the fixing quality depends crucially on the characteristics of the recording medium. These characteristics are in particular the paper basis weight and other data describing the structure and properties of the paper or other recording media, e.g. Variety labeling data.
  • the fusing quality depends particularly on the paper basis weight if a very large paper basis weight spectrum has to be processed, e.g. in a range from 60 gr / qm to 160 gr / qm. In general, the larger the paper basis weight, the worse the fixing quality becomes with otherwise the same paper parameters.
  • the paper In order to achieve a good connection of the toner image to the paper fiber structure, the paper must be heated to a temperature in the range of the melting temperature of the toner images, which is in a range of approximately 90 to 110 °, before it passes through the fixing gap of the fixing station.
  • the preheating of the paper is achieved when using paper webs by pulling the paper web over a heated preheating saddle. The so reaching paper temperature at the outlet of the saddle is thus dependent on the temperature of the heated saddle and the time during which the paper is exposed to the saddle temperature.
  • the melting temperature can essentially only be achieved by increasing the saddle temperature with otherwise the same geometrical dimensions of the saddle.
  • the toner image on the preheated paper web is firmly connected to the paper surface structure of the paper web under pressure and heat.
  • the heat flows from the hotter fixing roller at a temperature of about 180 to 220 ° to the toner image, which melts in the border area to the paper surface and from there to the preheated paper web. Preheating the paper web is necessary because otherwise too much heat would be removed from the fixing gap by the paper web.
  • the paper has a larger paper basis weight and thus a larger mass, more heat must flow in order to achieve a constant contact temperature between the toner image and the paper. This in turn requires an increase in the fuser roll temperature.
  • the preheating saddle e.g. can consist of a preheating saddle and an actual heating saddle and adjust the fixing roller depending on the paper basis weight.
  • Continuous paper printers in particular must be able to process an extremely wide range of papers with a wide variety of paper properties, e.g. with a paper basis weight of 50 gr / sqm to 160 gr / sqm, coated and uncoated papers, recycled papers, plastic-coated papers, long-fiber and short-fiber papers, etc.
  • paper types with new properties come onto the market every year that are processed by the printers without hardware changes Need to become.
  • the paper In the case of data printers which work at very high printing speeds, in order to achieve an acceptable fixing quality, the paper must be preheated before the fixing gap is reached.
  • the paper web is usually preheated via the back of the paper web by running it over a heated, temperature-controlled preheating saddle with good thermal contact. Then the actual one takes place Fixing the toner images on the paper web in the fixing nip by means of pressure and heat, the heat starting from the fixing roller being fed directly to the toner image.
  • the aim of the invention is therefore to provide an electrographic printing or copying device with a heat-setting station and an arrangement for program-controlled setting of operating parameters of the fixing station, which enables the user to easily set the operating parameters.
  • Another object of the invention is to design the setting so that the fixing qualities do not deteriorate as a result of the setting process.
  • a constant fixing quality is guaranteed by a program-controlled setting of the operating parameters depending on the characteristics of the recording medium.
  • This setting is simplified for the user in that he can enter the characteristic data and select fixing levels via a control panel.
  • the coupling of the setting parameters of the fixing station enables easy selection and setting without the fixing quality deteriorating by entering an unfavorable setting parameter combination.
  • the input of recording medium-specific characteristic data and the selection of the corresponding fixing levels is made considerably easier by a menu control.
  • the operator is presented on the control panel with a menu of the various adjustable fixing levels and the paper data to be entered, in particular the weight per unit area.
  • An electrophotographic printing device for printing on continuous paper contains a heat fixing device shown schematically in FIG. 1.
  • the heat fixing device is designed as a thermal pressure fixing device. It contains a heating roller 11 which is heated by radiators 10 and a pressure roller 12 which can be pivoted to and from the heating roller 11 by an electric motor.
  • the heating roller consists of an aluminum cylinder with a heat-resistant coating arranged thereon, the pressure roller likewise consists of an aluminum cylinder with a silicone coating.
  • the heating roller 11 is driven by an electric motor.
  • the heating roller 11 is assigned an oiling device 13 for applying separating oil to the heating roller.
  • a heated preheating saddle 15 with associated vacuum brake 16 is arranged upstream of the rollers in the direction of recording medium transport, which serves to preheat a recording medium 17 designed as continuous paper and to supply it to the actual fixing gap between the rollers 11 and 12 in the preheated state. Braked by the vacuum brake 16 and driven by the rollers, the recording medium 17 is guided tightly over the preheating caliper 15. A loose toner image on the recording medium is preheated on the preheating saddle 15 and fixed between the rollers 11 and 12 by heat and pressure.
  • a cooling device 18 arranged downstream of the rollers 11 and 12 in the paper running direction ensures cooling of the heated paper.
  • the cooling device 18 contains a cooling surface 19 provided with openings, which is swept by the recording medium 17, with cold air supplied via an air supply channel 20 flowing out of the openings and a cooling air cushion being created under the recording medium 17.
  • air is blown onto the concrete side of the recording medium via an opposite profile.
  • the continuous paper 17 is preheated via a preheating saddle 15 which consists of two heated saddles connected in series, namely a stationary preheating saddle 21 and a heating saddle 23 which can be pivoted about a pivot point 22.
  • the preheating saddle 21 and heating saddle 23 form two separate heating zones when viewed in the direction of paper travel .
  • the entire preheating section has a length of approximately 500 to 700 mm.
  • the paper 17 slides during preheating with its toner-free side on sliding surfaces 24 of the preheating saddle 21 or heating saddle 23.
  • the sliding surfaces or the saddles are curved with a curvature radius which in the example shown is 700 mm. Due to the curvature of the sliding surfaces in connection with the train through the rollers 11 and 12 and the braking by the vacuum brake 16, a force component acts over the entire length of the saddle, which presses the paper 17 against the sliding surfaces 24; thereby promoted.
  • the saddles 21 and 23 have elongated depressions 25 which extend transversely to the paper running direction and extend over the entire width of the saddles. They are connected to a vacuum channel 27 (FIG. 1) by lateral bores 26.
  • the vacuum channel runs below the saddles and is equipped with a vacuum generating device, e.g. a pump. Due to the negative pressure, the recording medium (paper) is sucked onto the sliding surfaces 24 of the saddles and the water vapor released by the preheating is sucked out.
  • a vacuum generating device e.g. a pump. Due to the negative pressure, the recording medium (paper) is sucked onto the sliding surfaces 24 of the saddles and the water vapor released by the preheating is sucked out.
  • the saddles 21 and 23 are heated by electrical resistance elements in the form of interchangeably arranged ones Heating cartridges 28.
  • the saddles 21 and 23 have through bores 29. These holes enable the replacement of each individual heating cartridge 28 in the event of a defect.
  • the saddles 21 and 23 can thus be produced inexpensively from an extruded aluminum profile.
  • each saddle 21 or 23 is divided into three heating zones 30/1, 30/2 and 30/3 transversely to the direction of paper travel (FIG. 2).
  • These transverse heating zones 30/1 to 30/3 are used to adapt the saddles to different recording medium widths.
  • the first heating zone 30/1 is delimited on one side by the fixed paper running edge 31.
  • This heating zone 30/1 is as wide as the minimum width of the recording medium.
  • the remaining area of the saddles up to the maximum recording medium width is divided into the equally wide heating zones 30/2 and 30/3.
  • Each of the transverse heating zones 30/1 to 30/3 has a temperature sensor 32/1 to 32/3 for regulating the heating zones. It is located approximately in the middle of the respective heating zones across the paper running direction.
  • the sensor position When viewed in the paper travel direction, the sensor position is selected so that the same temperature can be controlled both in the standby state of the printing device (standby) and in the printing mode itself. This simplifies the temperature control.
  • the control temperature and the position of the sensors 32/1 to 32/3 are selected so that the paper temperature at the end of the saddle is just as high during the starting phase as during a longer printing phase.
  • the area from the middle to the last third of the saddles has proven to be a favorable sensor position.
  • the heating zones 30/1 to 30/3 are generated by the arrangement of the heating cartridges 28 in the bores 29.
  • a cartridge for the two outer heating zones 30/1 and 30/3 is inserted into the first hole of a saddle in the direction of paper travel.
  • a heating cartridge 29 for the middle zone 30/2 is inserted into the second hole.
  • the third hole is equipped like the first, etc. There are therefore six heating cartridges 28 in each heating zone 30/1 to 30/3.
  • the surface temperature of the saddles and thus the temperature of the recording medium are controlled with the aid of a control arrangement as shown in FIG. 3.
  • the control arrangement contains an actuator 33, for example in the form of individual relays for coupling the heating cartridges 28 to a power supply unit 34.
  • the control element 35 is connected downstream of the control element 35 with the heating cartridges 28.
  • the actual temperature is detected by the temperature sensors 32/1 to 32/3 and converted into an electrical control signal by the sensors and amplified in a subsequent amplifier 37.
  • a microprocessor-controlled control device 39 coupled to the amplifier 37 compares the actual temperature with a predefinable target temperature TS and regulates the target temperature as a function of the control deviation.
  • the control device contains an analog-digital converter 40 with the associated program-controlled two-point controller 41.
  • the microprocessor-controlled control arrangement 39 is also coupled to the controller 42 of the printing device, which has an arrangement described below for program-controlled setting of operating parameters of the fuser station.
  • the control arrangement shown in FIG. 3 can be part of the program-controlled setting arrangement for the operating parameters of the fixing station. It is used specifically to regulate the Temperature at the preheating saddle. It is regulated to a target temperature TS, which is referred to below as a control target value.
  • the setpoint temperature at the preheating saddle is the temperature at which the paper leaves the preheating saddle or the entry temperature of the paper into the fixing nip between fixing roller 11 and pressure roller 12.
  • An additional low-voltage power supply unit 44 which is coupled to the actual power supply unit 34, provides the power supply the device control and thus the microprocessor-controlled control device 39.
  • the microprocessor-controlled control arrangement 39 switches the heating cartridges on to the phases of the three-phase network of the power supply unit 34 via the actuator 33. After reaching the target temperature, they are separated from the mains again via the actuator 33. After starting the printing operation, depending on the paper temperature, the paper basis weight, the printing speed and the surface quality of the paper and the width of the paper, heat is removed from the preheating saddle 15 via the paper.
  • This influence of disturbance is symbolically represented in the control circuit of FIG. 3 as disturbance SG.
  • the actual temperature resulting depending on the deduction of the disturbance variable is detected by the temperature sensors 32/1 to 32/3 and supplied to the microprocessor-controlled control arrangement 39 in the form of electrical signals. This activates the actuator 33 in a corresponding manner until the predetermined target temperature is reached again.
  • control arrangement of FIG. 3 for regulating the temperature on the preheating saddle and on the heating saddle of the fixing station is part of an arrangement for program-controlled setting of operating parameters of the fixing station, as shown in FIG.
  • the operating parameters of the fusing station are the fusing energy which is fed to the recording medium during the fusing process via the preheating caliper 15 and the fusing roller 11, and the negative pressure in the area of the paper brake 16 and the preheating caliper 15.
  • This negative pressure in the paper brake 16 and in the negative pressure duct 27 can be adjusted via a vacuum generating device in the form of a blower with associated control valve. The negative pressure is detected by means of corresponding commercially available negative pressure sensors.
  • the arrangements shown schematically in FIGS. 4, 6 and 7 are used for program-controlled setting of the operating parameters of the fixing station. These are, for example the fixing energy transferred to the recording medium and the negative pressure in the paper brake 16 and on the preheating caliper 15, but also operating parameters such as printing speed, printing operation in general, standby mode etc.
  • the setting of the operating parameter "fixing energy” takes place in fixing stages, with each fixing stage having a specific combination of setting parameters on units of the fixing station, namely temperature on the preheating saddle 21, temperature on the heating saddle 23 and temperature on the fixing roller 11 are assigned. Further setting parameters are, for example, the electrical control values for determining the negative pressure via the negative pressure generating device.
  • control setpoints are assigned control setpoints as a function of characteristic data specific to the recording medium, such as paper basis weight, paper type or other data characterizing the structure of the recording medium.
  • control setpoints are, for example, calculated setpoints for temperature and vacuum, via which a control arrangement (for example FIG. 6 in the case of temperature control of the preheating saddle 15) then regulates the operating parameters “fixing energy” and “vacuum”.
  • the characteristic data specific to the recording medium must be recorded and supplied to the arrangement in the form of electrical signals, and on the other hand a separate selection of the fixing stages itself is provided.
  • the fixing energy to be supplied to the recording medium depends on the one hand on the characteristic data specific to the recording medium, in particular the paper basis weight, which can be automatically recorded or entered.
  • the amount of heat input i.e. the fixing energy to the front and back of the paper web can be easily selected for the user without the fixing quality suffering because paper properties which determine the curvature of the paper web under the influence of temperature cannot be detected by sensors.
  • the operator is offered a control panel menu with several preprogrammed temperature combinations, the fixing levels, from the control panel 43, from which he can select specific fixing levels in order to achieve a minimum of paper curvature.
  • the setting parameter combination and thus the setting temperature on the preheating saddle, heating saddle and fixing roller is chosen so that the fixing quality as such is not influenced, but rather that there is essentially an influence on the type of supply of the fixing energy to the recording medium. This prevents a choice of the setting parameters, in this case the temperatures on the preheating saddle and the fixing roller, from having a warp-compensating effect, but from worsening the fixing quality overall.
  • further fusing levels i.e. To provide temperature combination levels, it is possible to additionally enter these in the user menu via the additional input arrangement 45 using a PC or also via the control panel keyboard in a corresponding MENU level.
  • the fixing levels are entered in the control panel 43 by calling up a "fixing levels" menu.
  • the control panel 43 contains a known microprocessor-controlled arrangement for operator guidance in the form of menus.
  • the input is then made by selecting from fixing levels, which are identified by "min”, “low”, “normal”, “high” and “max”.
  • fixing levels which are identified by "min”, “low”, “normal”, “high” and "max”.
  • the setting parameters “temperature” on preheating saddle 21, heating saddle 23 and fixing roller 11 are thereby determined and determined with their temperature values.
  • the setting level "normal” is assigned a setting parameter combination with associated temperature combinations of 220 ° for the fixing roller, 100 ° for the heating saddle and 60 ° for the preheating saddle.
  • the other assignments can be found in the table in FIG. 5.
  • the arrangement shown in FIG. 6 is provided in order to determine the control setpoints for the units of the fixing station on the basis of the characteristic data specific to the recording medium and the fixing levels, and thus to control the operating parameters such as fixing energy and vacuum.
  • It contains an evaluation arrangement 48 assigned to the controller 42 with a memory field 49, a computing unit 50 and working memory 51/1, 51/2.
  • the memory field 49 has memory cell combinations which can be called up via the control panel 43 and are designated by "min”, “low”, “normal”, “high”, “max” and “variable” in accordance with the number of fixation levels which can be selected.
  • the storage cell combination "normal" in the storage cell 49/1 contains a value characterizing the fixing roller temperature 220 °, the storage cell 49/2 a value characterizing the heating saddle temperature of 100 ° and the storage cell 49/3 a characterizing the preheating saddle temperature of 60 ° Value.
  • the memory field 49 contains memory cell combinations marked P1 to P3, which are assigned the setting parameters assigned to the recording medium-specific characteristic data. In the exemplary embodiment shown, these are the paper weight and the negative pressure.
  • Each of the memory cell combinations P1 to P3 is assigned two memory cells 49/4 and 49/5, which are used to hold data characterizing the setting parameters "paper basis weight" and "negative pressure".
  • the memory cell combination P1 in the memory cell 49/4 contains the value 0.8 corresponding to, for example, the paper basis weight 80 gr / m2 and in the memory cell 49/5 contains a value correspondingly the negative pressure to be set.
  • the stored values do not need to be values representing absolute values, rather it is sufficient to store relative values in relation to a normal setting.
  • the value 0.8 denotes a relative value of the paper basis weight of 0.8 based on a normal basis weight of 1. The same applies to the stored setting parameter values of the negative pressure.
  • the memory field 49 is coupled to an arithmetic unit 50, which in this case is designed as a multiplier and which serves to set control setpoints for the control arrangement from the values stored in the memory cells min, low, normal, max, variable or P1 to P3 Calculation of the operating parameters.
  • the values calculated in this way are then stored in working memories 51/1 and 51/2.
  • the working memory 51/1 is assigned to the operating parameter fixing energy and the working memory 51/2 to the operating parameter negative pressure.
  • the operating parameter "fixing energy" is controlled separately from the operating parameter "negative pressure”.
  • the working memory 51/1 contains three memory cells FIX, VOR, HEIZ for receiving the control setpoints for the fixing energy to be set.
  • the control setpoint assigned to the fixing roller 11 for the fixing roller temperature is stored in the memory cell FIX
  • the control setpoint assigned to the preheating saddle 21 for the preheating saddle temperature and the control setpoint assigned to the heating saddle 23 for the heating saddle temperature are stored in the memory cell VOR.
  • the working memory 51/2 contains a memory area for receiving a value corresponding to the negative pressure control setpoint to be set.
  • the memory cells of the working memory 51/1 stand with the one in FIG. 3 Control arrangement shown for controlling the fixing energy in conjunction, the working memory 51/2 for receiving the control setpoints for the vacuum with a vacuum control arrangement regulating the vacuum, which can be designed in accordance with a control arrangement as shown in FIG. 3.
  • the function of the program-controlled arrangement described is as follows: After the automatic insertion of the paper web into the printing device, the operator is offered menus for entering the paper basis weight (menu G) and menus for selecting the fixing levels (menu F). By automatically or manually entering the paper basis weight, a corresponding call of an assigned memory cell combination P1 to P3 takes place and a corresponding value characterizing the paper basis weight is fed to the computing unit 50, at the same time the working memory 51/1 is assigned the corresponding value for the vacuum control setpoint. The operator then selects the desired fixing level. It normally begins with the fixing level "normal", whereupon the memory content of the memory cell combination "normal" is also applied to the computing unit 50.
  • the control arrangement in FIG. 3 now controls the temperature in the fixing station in the manner described. If the operator already knows the recommended fusing level for a certain type of paper, he can choose a fusing level that deviates from normal in advance. However, it is also possible to select the fixing levels empirically depending on the fixing result. If, for example, warping occurs on the paper after it has passed through the fusing station, he selects a different fusing level, for example "low”, depending on the type of warping. This corrects the control setpoints Fixing roller, preheating saddle and heating saddle in a corresponding manner.
  • the program-controlled arrangement now also opens up the possibility of calling program flow menus, e.g. depending on the print jobs to be processed.
  • the called up print jobs are processed as a result of print jobs.
  • Different operating parameters of the fuser can now be assigned to each of these print jobs.
  • the first print job involves printing on thin paper, e.g. Data paper
  • the following second print job is printing data paper with forms of a predetermined size, the forms being called up electronically
  • the third printing job is printing data paper in landscape format, etc.
  • each program step for example each individual job, is assigned a special menu combination of submenus.
  • the menu combination can also contain other submenus (menu X, menu Y).
  • These menus can be called up in the following table, whereby the menus paper basis weight (menu G) and fuser level selection (menu F) can be part of the submenu class "Parameters”.
  • the arrangement contains, for example assigned to the control unit 43, the arrangement for generating a program sequence menu that is evident from FIG. 7 and is functionally superimposed on the arrangement of FIG. 6.
  • menu memory 52 for recording and displaying the callable submenus or for compiling the callable sequence menus, whereby the program sequence menu (menu J) can itself be a callable submenu.
  • a menu combination memory 53 is functionally coupled to the menu memory 52.
  • the menu combination memory 53 is assigned, depending on the program sequence menu called, memory areas in which submenu combinations assigned to the individual program steps are stored. In the case of the program sequence menu "Job" (menu J), the individual memory areas of the menu combination memory 53, job 1 to job 4, are assigned corresponding job-oriented menu combinations.
  • a menu working memory 54 Coupled with the menu combination memory 53 is a menu working memory 54, into which the menu sub-combination is read for processing when a job-oriented menu sub-combination is called up.
  • the submenus located in the menu working memory 54 are then called up and processed one after the other in a manner as has already been described in connection with the menus G and menus F.
  • the operator calls the Job submenu (menu J).
  • menu J Job submenu
  • these subcombinations are processed one after the other in print mode after calling up menu J, namely by entering a command via operating unit 43 for processing menu J.
  • Job-oriented the submenu combinations are retrieved from menu combination memory 53 and read into menu working memory 54 and processed from there.

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  • General Physics & Mathematics (AREA)
  • Fixing For Electrophotography (AREA)

Claims (11)

  1. Appareil d'impression ou de copie électrographique comportant un poste de thermofixage et un dispositif pour régler, d'une manière programmée, des paramètres de fonctionnement du poste de thermofixage, le dispositif comportant :
    - un dispositif d'introduction (43) comportant des moyens d'introduction (55,56,57) de données caractéristiques spécifiques du support d'enregistrement,
    - un dispositif (52) de sélection d'étages de fixage associé au dispositif d'introduction (43) et comportant des moyens de sélection (menu F) pour sélectionner un étage de fixage parmi des étages de fixage (MIN, LOW, NORMAL, HIGH, MAX),
    - un dispositif d'exploitation (42,48) accouplé au dispositif d'introduction et comportant une mémoire (49) pour mémoriser des réglages de paramètres de fonctionnement, associés aux étages de fixage (MIN, LOW, NORMAL, MIGH, MAX) et aux données caractéristiques, de modules (11,15,16) du poste de fixage, et des moyens d'association (50) pour affecter, en fonction des données caractéristiques introduites et de l'étage de fixage sélectionné (MIN, LOW, NORMAL, HIGH, MAX), des valeurs réglées de consigne (TS) aux réglages associés de paramètres de fonctionnement, et
    - un dispositif de régulation (39), accouplé au dispositif d'exploitation (42,48) et aux modules (11,15,16) du poste de fixage, pour régler les paramètres de fonctionnement du poste de fixage (15,16,11), en fonction des valeurs réglées de consigne (TS).
  2. Appareil d'impression ou de copie électrographique suivant la revendication 1, comportant des moyens d'introduction et de sélection (43, menu F, menu G) commandés par un menu de telle sorte que l'introduction des données caractéristiques et la sélection des étages de fixage (MIN, LOW, NORMAL, HIGH, MAX) s'effectue par l'intermédiaire de menus d'entrée (menu F, menu G) pouvant être appelé sur un panneau de commande (43) de l'appareil.
  3. Appareil d'impression ou de copie électrographique suivant la revendication 2, comportant des moyens pour produire un menu d'exécution de programme (menu J) ayant une suite de pas de programme, et dans lequel une combinaison spécifique de menus d'introduction (menus F, G, X, Y) est associée à chaque pas de programme et le dispositif d'exploitation (53,48) affecte des valeurs réglées de consigne (TS) au pas associé de programme, en fonction de la combinaison spécifique de menus d'introduction.
  4. Appareil d'impression ou de copie électrographique suivant l'une des revendications 1 à 3 comportant un clavier (55) du panneau de commande en tant que moyens d'introduction (43).
  5. Appareil d'impression ou de copie électrographique suivant l'une des revendications 1 à 3, comportant, comme moyens d'introduction, un dispositif de lecture (56) explorant les données caractéristiques.
  6. Appareil d'impression ou de copie électrographique suivant l'une des revendications 1 à 3, comportant, comme dispositif d'introduction, un dispositif pour détecter le grammage (57) du papier.
  7. Appareil d'impression ou de copie électrographique suivant l'une des revendications 1 à 6, comportant un dispositif supplémentaire distinct d'introduction (45), couplé au dispositif d'exploitation (48) et destiné à l'introduction variable de réglages de paramètres de fonctionnement dans le dispositif d'exploitation (48).
  8. Appareil d'impression ou de copie électrographique suivant l'une des revendications 1 à 7, comportant un dispositif d'exploitation (48) pourvu de zones de mémoire (49/1, 49/2, 49/3) pour mémoriser des paramètres de régulation associés à des étages de fixage (MIN, LOW, NORMAL, MAX), et des zones de mémoire (P1,P2,P3) pour mémoriser des paramètres de réglage associés à des données caractéristiques, des valeurs de consigne étant mémorisées en tant que paramètres de réglage des étages de fixage (MIN, LOW, HIGH, NORMAL, MAX) et des données caractérisant le grammage du support d'enregistrement étant mémorisées en tant que paramètres de réglage des données caractéristiques, et comportant un dispositif de calcul (50) en tant que moyens d'association, qui calcule les valeurs réglées de consigne (TS) à partir des valeurs de consigne et des données caractérisantes.
  9. Appareil d'impression ou de copie électrographique suivant l'une des revendications 1 à 8, dans lequel le poste de thermofixage comprend :
    - une selle de préchauffage (15) pouvant être chauffée et sous la forme d'une selle à basse température,
    - un frein à dépression (16) disposé en amont de la selle de préchauffage dans la direction de défilement du support d'enregistrement, et
    - une fente de fixage à laquelle est associé un cylindre de fixage chauffé (11), et comportant au moins un cylindre presseur (12).
  10. Appareil d'impression ou de copie électrographique suivant la revendication 9 ayant comme paramètre de fonctionnement l'énergie de fixage et/ou la dépression.
  11. Procédé pour régler d'une manière programmée, l'énergie de fixage d'un poste de thermofixage (11,21,23) dans un appareil d'impression ou de copiage électrographique, comportant les étapes suivantes :
    - introduction de données caractéristiques, spécifiques du support d'enregistrement, dans un dispositif d'introduction (43),
    - sélection d'un étage de fixage (MIN, LOW, NORMAL, HIGH, MAX) à partir d'un menu (menu F) d'étages de fixage par l'intermédiaire du dispositif d'introduction (43), et pour chaque étage de fixage (MIN, LOW, NORMAL, HIGH, MAX), une combinaison prédéterminée de paramètres de réglage ayant des valeurs de réglage correspondantes de paramètres de réglage de température, qui déterminent l'énergie de fixage, du poste de fixage (11,21,23), étant mémorisée dans une mémoire (49) couplée au dispositif d'introduction (43),
    - calcul de valeurs de consigne réglées (TS) à partir des valeurs de réglage et des données caractéristiques,
    - réglage de l'énergie de fixage par régulation des paramètres de réglage de la température sur les valeurs de consigne réglées (TS) au moyen d'un dispositif de régulation (42).
EP19920118108 1992-10-22 1992-10-22 Imprimante ou copieur électrographique muni d'une station de fixage thermique et d'un agencement pour la sélection des paramètres de fonctionnement par commande à programme Expired - Lifetime EP0593813B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19920118108 EP0593813B1 (fr) 1992-10-22 1992-10-22 Imprimante ou copieur électrographique muni d'une station de fixage thermique et d'un agencement pour la sélection des paramètres de fonctionnement par commande à programme
DE59204861T DE59204861D1 (de) 1992-10-22 1992-10-22 Elektrografisches Druck- oder Kopiergerät mit einer Thermofixierstation und einer Anordnung zum programmgesteuerten Einstellen von Betriebsparametern der Thermofixierstation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19920118108 EP0593813B1 (fr) 1992-10-22 1992-10-22 Imprimante ou copieur électrographique muni d'une station de fixage thermique et d'un agencement pour la sélection des paramètres de fonctionnement par commande à programme

Publications (2)

Publication Number Publication Date
EP0593813A1 EP0593813A1 (fr) 1994-04-27
EP0593813B1 true EP0593813B1 (fr) 1995-12-27

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DE (1) DE59204861D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035529A1 (fr) * 1994-06-21 1995-12-28 OCé PRINTING SYSTEMS GMBH Imprimante ou photocopieur electrographique comportant un systeme de reconnaissance du cylindre de fixage
DE102012111040A1 (de) * 2012-11-16 2014-05-22 Océ Printing Systems GmbH & Co. KG Einrichtung zum Fixieren eines Schreibmediums auf einem Aufzeichnungsträger
DE102020117559A1 (de) 2020-07-03 2022-01-05 Canon Production Printing Holding B.V. Vorrichtung und Verfahren zum Betrieb einer Trocknungseinheit mit mehreren Heizsätteln

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861863A (en) * 1973-12-19 1975-01-21 Ibm Fusing apparatus
US4119831A (en) * 1977-03-14 1978-10-10 Rank Xerox, Ltd. Contact pressure adjusting device in heating pressing fixing apparatus for electrophotographic copiers
US4835573A (en) * 1988-04-29 1989-05-30 International Business Machines Corporation Machine control system utilizing paper parameter measurements

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EP0593813A1 (fr) 1994-04-27
DE59204861D1 (de) 1996-02-08

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