Abstract: A MEMS chip having at least two chip components bonded together by means of an adhesive layer that is applied to at least one of two mating bonding surfaces of the two components, wherein a pattern of finely distributed micro-cavities is formed in at least one of the two mating bonding surfaces, said micro-cavities being arranged to accommodate a major part of the adhesive.

Abstract: The present invention relates to an assembly of a print head and a maintenance unit. The present invention further relates to a method for the use of an assembly of a print head and a maintenance unit.

Abstract: The present invention relates to a method for ejecting droplets of a molten metal. In the present invention, the metal is a composition comprising a first metal and a second element, wherein the second element is Si. In jetting operation, the second elements may prevent contaminants present in the composition from precipitating and clogging the orifice. The present invention further relates to the use of such composition.

Abstract: An inkjet printing apparatus includes an inkjet print head arranged to be moveable in a direction of movement along a guiding assembly. The guiding assembly includes a support structure; a strip mounted on the support structure, the strip being rigidly straight in a first direction substantially perpendicular to the direction of movement and mounted in such way that a straightness in the direction of movement is provided; and an air bearing system operatively coupled to the strip. The strip extends in a vertical plane, the vertical plane being substantially parallel to the direction of movement and being substantially parallel to the first direction. The air bearing system is configured to control a position of the inkjet print head in a horizontal plane relative to the strip during movement of the print head in the direction of movement, the horizontal plane being substantially perpendicular to the vertical plane.

Abstract: An inkjet printing apparatus includes an inkjet print head arranged to be moveable in a direction of movement along a guiding assembly. The guiding assembly includes a support structure; a strip mounted on the support structure, the strip being substantially rigid and straight in a first direction substantially perpendicular to the direction of movement and mounted in such way that a straightness in the direction of movement is provided; and an air bearing system operatively coupled to the strip. The strip extends in a vertical plane, the vertical plane being substantially parallel to the direction of movement and being substantially parallel to the first direction. The air bearing system is configured to control a position of the inkjet print head in a horizontal plane relative to the strip during movement of the print head in the direction of movement, the horizontal plane being substantially perpendicular to the vertical plane.

Abstract: The invention comprises a method for forming a 3D object, wherein the method comprises the step of depositing a support structure. According to the invention, the support structure comprises an organic di-acid having a molecular weight of 300 g/mole or less. The invention further relates to an assembly of a 3D printed object and a support structure.

Abstract: A transport mechanism is provided for transporting sheets of a print medium in a printing system. The transport mechanism include a first conveyor device having a first conveyor body which is configured to support a plurality of sheets of print medium, the first conveyor body being movable to convey the sheets along the transport path in the printing system; and a transfer system including a second conveyor device having a movable second conveyor body for supporting the sheets of print medium and conveying the sheets further along the transport path, the transfer system being configured to transfer the sheets of print medium from the first conveyor body to the second conveyor body in a transfer region. The second conveyor body is arranged adjacent or proximate to the first conveyor body in the transfer region, and the transfer system includes spacer means which is configured to maintain a predefined spacing between the first conveyor body and the second conveyor body in the transfer region.

Abstract: A method of measuring a wetting property of a nozzle plate in a droplet expelling device having a number of nozzles formed in the nozzle plate, and an actuator system for expelling a droplet of a liquid from each of the nozzles includes applying an amount of liquid onto a surface of the nozzle plate, capturing a digital image of the nozzle plate with the liquid applied thereon, and analyzing the digital image for determining the wetting property from a distribution of the liquid on the nozzle plate. The amount of liquid is applied onto the nozzle plate by expelling liquid through the nozzle.

Abstract: A print job processing system comprising at least one printer, a user interface, a job file receiving section for receiving a print job having print job properties, a conflict checking section for checking for a conflict in the print job, and an auto resolve section for automatically resolving the conflict according to an auto resolve strategy, wherein the print job processing system comprises a system setting section adapted to set according to user input by means of the user interface per print job property a user interaction strategy out of a plurality of user interaction strategies, each user interaction strategy of the plurality of user interaction strategies comprising a different user interaction and each user interaction strategy being configured to be executed if the corresponding print job property has been changed due to the auto resolve strategy for the conflict.

Abstract: A jetting device comprising: a fluid chamber connected to a nozzle and containing a fluid to be jetted, and an electrically conductive medium; a magnetic field source arranged to create a magnetic field in the electrically conductive medium; a pair of electrodes contacting the electrically conductive medium; and a controller arranged to control a flow of an electric current through the electrodes and the electrically conductive medium, characterized in that the pair of electrodes is configured to constitute a sonode for generating an ultrasonic acoustic wave in the electrically conductive medium, and the controller is arranged to activate the sonode during a time at which the jetting device does not perform a jetting operation.

Abstract: A print head unit comprises a print head for ejecting droplets of a marking material; an electronic print head controller; and a coupling assembly for mechanically coupling the print head and the print head controller; wherein the coupling assembly provides a first coupling state and a second coupling state, wherein in the first coupling state, the print head and the print head controller are fixed relative to each other; in the second coupling state, the print head and the print head controller are enabled to move relative to each other within a limited range. The print head unit can be easily handled in the first coupling state, while in the second coupling state the print head may be mounted in a moving carriage without the print head controller affecting the position and rotation of the print head.

Abstract: Disclosed is a hot melt ink composition containing a substantially non-aqueous carrier composition; at least one dye which comprises at least one salt of the anthrapyridone series; and an organic sulfonic acid compound. Also disclosed is a method of preparing the hot melt ink composition.

Abstract: A system includes a printer including a plurality of functional modules and a controller configured to control the print process, a storage device configured to store information regarding supporting an operator to interact with a functional module of the plurality of functional modules other than the local user interface of the printer, a presence detection system configured to detect a presence of an operator near or at the functional module, and an information presentation device configured to present information within a perception reach of the operator. The system includes a computer device connected to the presence detection system, the storage device, the printer and the information presentation device.

Abstract: The present invention relates to an aqueous sublimation transfer ink composition. The sublimation transfer ink composition comprises a polysaccharide. The present invention further relates to a method of preparing said ink composition. The present invention also relates to a method for providing an image onto a receiving medium.

Abstract: A method of estimating a volume of a remaining fluidum in a non-translucent recipient having an opening which area is wider than or equal to the area of a bottom of the recipient. The method includes taking a picture of the opening at the top side of the recipient by with camera, deriving from the picture characteristics of a first and second number of pixels representing a visible part of the recipient and a visible part of the fluidum in the recipient, respectively, requesting from a user an identification of the recipient, matching the identification with a stored identification in order to retrieve reference data about an empty recipient, and estimating a volume of the remaining fluidum in the recipient by means of the retrieved reference data and a ratio of the characteristics of the first number of pixels and the characteristics of the second number of pixels.

Abstract: A method for determining functioning of a print head cooler includes operating the print head cooler, the print head cooler including a first surface in thermal contact with a surface of a print head; providing a predetermined amount of heat to the print head; measuring the temperature of the print head; based on the measured temperature, determining the functioning of the print head cooler. The predetermined amount of heat is provided by applying at least one non-jetting pulse to a liquid present in the print head. An assembly of a print head and a print head cooler is also disclosed. The assembly includes a control that is configured to perform the method for determining functioning of a print head cooler.

Abstract: A scrolling system for scrolling a printed roll of media includes a mechanical scrolling apparatus and a user interface device. The mechanical scrolling apparatus includes a first winder for placing the printed roll and from which first winder the printed roll is unwindable, and a second winder for winding up the printed roll unwound from the first winder. At least one winder of the first and second winder is drivable by a motor. An unwound area is a piece of the printed roll that is unwound from the first winder and not yet wound up on the second winder. The user interface device is configured to receive a selection of a part of a digital representation of images printed on the roll.

Abstract: A method is provided for enhancing a grayscale raster image comprising pixels. The method comprises the steps of composing a second raster image of equal dimensions to said raster image, selecting a target pixel in the second raster image, having a target position, and deriving a grayscale value for the target pixel from a grayscale value of a pixel in said raster image that is in a neighborhood of a pixel on a position corresponding to the target position, thereby dispersing the gray value of a pixel in a predetermined range around its original position and working the second raster image up for a halftoning process without using pixel segmentation.

Abstract: A method is provided for combining two source images in a relief image. Structural elements are applied that allow a first image to be observed in a first viewing direction and a second image in a second viewing direction. The method reduces a ghosting effect by a) printing a test relief image wherein the two source images comprise patches with a number of basic colors having a predefined amount of colorant; b) measuring for each patch an observed color in each of the viewing directions; c) scaling the source images such that an image element matches a size of a structural element in the relief image; d) selecting a structural element from the test relief image, wherefore the color differences between the image elements of the scaled source images and the patch color becomes minimal, and e) composing a relief image from the selected structural elements.

Abstract: Sheet alignment module and post-processing device comprising such sheet alignment module for aligning sheets in an operative orientation on a substantially horizontal sheet support member, comprising a support roller, the support roller being rotatably mounted on the sheet alignment module and configured to support the sheet alignment module during a sheet aligning movement, the sheet alignment module further comprising a jogger member comprising a substantially flat surface extending in a substantially vertical direction, the jogger member is moveably mounted on the sheet alignment module such that the jogger member is freely moveable in a substantially vertical direction with respect to the sheet alignment module.