Abstract: In a method/device for preparing a print data stream for generation of print images with at least two primary colors, the print data contained in an input print data stream are supplied to a processing stage as input print data. The input print data are processed with the processing stage wherein at least one raster image of a first primary color is generated. Trapping information is generated by use of the raster image. An output print data stream is generated that has the trapping information in addition to print data.

Abstract: In a method or control device for controlling an electrophotographic printer or copier that has at least two developer stations, during a print operation print data is used to determine which developer stations are needed for printing of the data. In the event it is established that a developer station was not need or will not be needed for a predetermined time span, the developer station is shifted into a standby state in which at least one part of mechanical actuators of the developer station is stopped.

Abstract: In a method or device to generate or process a resource-based document data stream with which an output of at least one document on an output medium can be controlled, the document data stream is provided with resource reference data related to at least one color management resource, and medium reference data related to the output medium. The resource reference data and the medium reference data are logically connected with one another such that when the medium reference data changes because the output medium has changed, then the resource reference data is automatically changed to another color management resource.

Abstract: In a method or system for controlling an electrophotographic printer or copier that has at least one developer station, a toner discharge from the developer station is detected during the print operation and a developer regeneration process is started when the detected toner discharge fulfills a predetermined first regeneration criterion. A charge image is generated on the photoconductor, the charge image is developed by the developer station, and the developed image is removed by a cleaning device without being transferred as printed onto a recording medium. New toner is introduced into the developer station. Also in accordance with the method or system for controlling an electrophotographic printer or copier that has at least two developer stations, during a print operation the print data is used to determine which developer stations are needed for printing of the data.

Abstract: In a method or device for interpolation and correction of a digital image, the source image is mapped to a target image with a FIR filter that comprises a plurality of filter coefficients, the filter coefficients comprising both information for interpolation and information for correction of the image. Both the interpolation and the correction of the image are executed in a single step.

Abstract: In a method or system for generation of a document, at least personal data and a characteristic value are stored in at least one data bank, at least the characteristic value being associated with the personal data. Document data are selected dependent on the stored characteristic value, at least a portion of the document being generated with aid of the selected document data. Information about a point in time is associated with at least a portion of the document data. A time span is preset so that the document data are only selected to generate the document when the time span comprises the point in time associated with the document data.

Abstract: In a method, program, or device to generate or process a document data stream that comprises data relating to color management resources wherein processing of color-related data of the document data stream can be controlled, associating at least one indexed color management resource with the document data stream wherein with the management resource color-related data of the document data stream can be associated with multiple predetermined color palettes. Within a color palette, an index value is respectively associated with multiple color. Respective values regarding the index colors are stored in the color management resource. The values are associated with corresponding proportions of color tones to reproduce the respective indexed color. The color palettes are compared between the system that generates the document data and an output system that outputs the document data, the document data stream is structured.

Abstract: In a method or system for printing of a recording medium, potential images are generated on a potential image carrier. A developer liquid is used that comprises a transparent photo-polymerizable carrier liquid and charged colorant particles. The developer is transported via an applicator roller to the potential image carrier to form a developer film in a developing zone. The developer film adjacent to the potential image carrier comprises the photo-polymerizable carrier liquid enriched with the colorant particles in regions in which potential images are present on the potential image carrier and said photo-polymerizable liquid substantially depleted of said colorant particles in regions in which no potential images are present. The developer film splits at an end of the developing zone into an image film adhering to the potential image carrier comprising the developed potential image and a film adhering to the applicator roller comprising the photo-polymerizable liquid with residual colorant particles.

Abstract: According to the method and system for display screen-aided generation of an electronic document from rastered image data, a group of image data per page and comprising multiple pages is stored. Symbols for associated pages of the group per associated page are displayed in an organized structure in the first screen region. Per page or per region, the image data is separately selected for full display in a second screen display region so that the associated page is accessible for additional processing steps with respect to at least one of the elements selected from the group consisting of a pixel processing and a page processing. Upon touching a symbol of the group with a selection member, a content of the associated page of the group is displayed in an automatically opening, separate display region.

Abstract: In a control system or method for input or output of operating information and control data of a printing or copying system, the operating information is input or output with aid of at least one operating unit. The printing or copying system is controlled via a first control unit and at least one second control unit. Control data are transferred between the control units via a data line with aid of a data transfer protocol. A server which the operating unit accesses as a client is provided. At least one part of the transferred control data is input or output with aid of the operating unit of the printing or copying system.

Abstract: In a method or system for regulation of optical density in an electrographic printing method, a toner layer thickness of a toner image developed with a developer station is scanned with a sensor. The resulting toner layer thickness signal is used for regulation of inking in the developer station. A humidity is measured with a moisture sensor and the resulting humidity signal is used for at least one of compensation of moisture-dependent deviations of the toner layer thickness signal and regulation of the inking in the developer station.

Abstract: A method is provided for error handling in a printer or copier. A plurality of monitoring units detect error states of the printer or copier. A detected error states are transmitted to a controller. A plurality of successively transmitted error states are stored in a storage. The stored error states are evaluated by the controller. The stored error states are compared with predetermined error patterns and at least one error type is determined. Further steps are executed by the controller dependent on the error type.

Abstract: In a method or system for driving a load element, a drive motor is provided on a drive shaft of the load element that establishes a drive rotation speed of the load element. A rotation torque sensor on the drive shaft emits a load torque signal proportional to a rotation torque. A rotation torque influencing device generates a supplementary torque when the load torque signal deviates from a desired load angle value present when a change has not occurred to a load created by the load element and acting on the drive motor, the supplementary torque being added to a drive torque generated by the drive motor such that a load angle of the drive motor remains substantially constant and uninfluenced by a change of the load.

Abstract: In a fixer unit system and method to detect a fire in a fixer unit of an electrographic image generation device, at least one portion of a fixer region of the fixing unit is monitored with a photoelectric sensor arranged adjacent to a substrate material having a toner image to be fixed, at least one portion of radiation generated by at least one heat radiator of the fixer unit is not detected by the photoelectric sensor by not passing said at least one portion of the radiation generated by the at least one heat radiator through to the photoelectric sensor by use of an optical filter associated with the photoelectric sensor. An error signal is output when a fire in the fixer region is detected with the photoelectric sensor.

Abstract: Amphiphilic toner which has both hydrophilic groups and lipophilic groups in the molecule, use thereof for an electrophoretic printing process, and method for an electrophoretic printing process using it. The toner is first dispersed in a non-polar carrier liquid, the toner-containing carrier liquid being transported from a charge image carrier by means of a transfer roller to a. point of transfer and from there transferred to a substrate. A polar liquid is added before transfer of the toner to the substrate.

Abstract: In a developer station for a printer or copier, a rotating developer roller is provided having a mixture of toner particles and ferromagnetic carrier particles accumulated on a surface of the developer roller as a layer, and a transfer zone at which the toner particles are transferred away from the developer roller. A smoothing device is provided with a smoothing element arranged before the transfer zone, the smoothing element being charged with a mechanical tension in a rest state of the developer roller and designed such that it exerts a force on and over an entire width of the layer formed by the mixture of the toner particles and the carrier particles present on the developer roller and smoothes the layer before the transfer of the toner particles. Within the developer roller at least one magnet is provided. The smoothing element comprises a magnetizable material attracted toward said at least one magnet to create said mechanical tension.

Abstract: In a method for controlling material flow in production, or a consumable or replacement part maintenance, of a product comprised of a plurality of individual parts, the individual parts are delivered to a goods receipt of a logistic system, a transponder being associated with the individual parts. In the transponder are stored production and delivery data regarding the individual part. The data of the transponder are read at the goods receipt and used for controlling further material flow such that the individual parts are transported in a controlled manner to subsequent process stations.

Abstract: In a method or computer program product for trapping of image data, the image data in an output image per image point is prepared as color separation data, and the image data is processed.

Abstract: In a method or device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor. Also a toner reservoir is provided having a toner removal opening shaped to accommodate at least a portion of a paddlewheel.

Abstract: In a method and system for enhancement of an input document data stream which comprises at least one input format file comprising format definitions and an input document data file structured in at least one of ranges and sub-ranges and containing variable data, the data stream is enhanced with finishing commands. In a control file, defining level structures that correspond to at least one of the ranges and sub-ranges of the input document data file. In a control file, associating the finishing commands with levels. Using the control file, the input format file and the input document data file the following are automatically generated by a computer program module. a) an output format file that contains the finishing commands in callable groups, and b) an output document data file containing the variable data and group calls associated by at least one of range-by-range and sub-range-by-sub-range.