Abstract: A print head includes a plurality of chip-like tiles arranged on a common substrate, each tile having a front face with an array of recording elements disposed in the front face in a predetermined pattern, and a generally rectangular contour with a cut-out formed at at least one of its four corners, each cut-out being delimited by two reference-defining walls extending normal to one another and to the front face and serving as a reference for positioning the tiles on the substrate so as to establish a predetermined positional relationship between the recording elements of the different tiles. The substrate has a plurality of recesses accommodating each at least a part of a tile and having side walls that define engagement surfaces for each of the reference-defining walls of each tile, the substrate is formed of a material that is suitable for photo-lithographic processing, and the engagement surfaces of the substrate are surfaces formed by photo-lithographic techniques.

Abstract: A liquid discharging head includes a print element substrate including an energy-generating element that generates energy used to discharge a liquid from a discharge port, and an electric wiring member including a plurality of contact pads arranged thereon. The plurality of contact pads are disposed in a contact area and include a first contact pad to which power for driving the energy-generating element is supplied and a second contact pad that has an electrostatic capacity lower than an electrostatic capacity of the first contact pad and that is disposed on an outer circumferential side of the contact area. The electric wiring member is connected to a ground of the print element substrate and includes a guard pad extending linearly outside the second contact pad.

Abstract: A liquid discharge head includes a head body, a wiring member, a connector, and a protector. The head body discharges liquid. The wiring member transmits a signal to the head body. The connector is disposed at the wiring member to connect the wiring member to the head body. The protector covers the head body and the connector. The head body includes a fitting portion. The protector includes a fitting portion to fit the fitting portion of the head body in a fitting direction. The connector is disposed more backward than a leading end of the fitting portion of the protector in the fitting direction.

Abstract: In an embodiment, a fluid flow structure includes a micro device embedded in a molding. A fluid feed hole is formed through the micro device, and a saw defined fluid channel is cut through the molding to fluidically couple the fluid feed hole with the channel.

Abstract: A printer including: a print module having a printhead for printing onto media fed along a media feed path and a maintenance module for maintaining the printhead. The maintenance module includes an L-shaped frame having a longer arm extending parallel with a longitudinal axis of the printhead and a shorter arm. The longer arm includes a capper for capping the printhead and the shorter arm includes a wiper for longitudinally wiping the printhead.

Abstract: A printing apparatus includes a plurality of components for the printing apparatus, and a housing configured to house the plurality of components in an inside of the housing and having a plurality of access portions used by a user and a service man to access the inside of the housing. The access portions have predetermined difficulty levels of access of accessing the inside of the housing from the access portions respectively. At least one or more of the plurality of components housed in the inside of the housing are arranged based on positions and the predetermined difficulty levels of access of the access portions and a frequency of access to the at least one or more of the plurality of components by the user and the service man.

Abstract: An inkjet printing apparatus includes: a print bar unit having a print bar, a maintainer, and a movement driver; and a controller. Upon maintenance of an inkjet head of the print bar, the controller is configured to drive the movement driver to move the maintainer from a deployment position to a retreat position with the print bar arranged at a maintenance position above a height position for printing while wiping a nozzle surface of the inkjet head with the wiper of the maintainer being moved. The deployment position is a position under the inkjet head in maintenance of the inkjet head and the retreat position is a position where the maintainer is retreated from the deployment position.

Abstract: A printer includes an ultraviolet (UV) curing device having UV light emitting diodes (LEDs) to cure UV curable inks ejected onto a surface after the surface travels past a plurality of printheads in the printer. A UV detector having UV sensors is positioned opposite the UV curing device so the UV sensors and UV LEDs are opposite one another in a one-to-one correspondence. A controller operates the UV curing device to direct UV light into the UV detector and receives electrical signals generated by the UV sensors. The controller compares these electrical signals to a predetermined threshold to identify defective LEDs in the UV curing device. The controller then determines how to move the UV curing device across the path of the surface to irradiate areas of the surface previously opposite the defective UV LEDs.

Abstract: A locating pin that is configured to be connected to a dockable member in a printer includes a shaft, first and second ends, and a conical member. The first end has a surface forming a partial ellipsoid and the conical member has a base aligned with the surface of the first end and a tip extending from the surface of the first end. The shaft is configured to engage the dockable member along a portion of the shaft between the second end and the first end.

Abstract: A conveyed object detection apparatus includes an optical sensor configured to receive light reflected by a conveyed object; a detection unit configured to use the optical sensor to acquire a detection result indicating a position, a moving speed, or a moved amount of the conveyed object in at least one of a conveyance direction in which the conveyed object is conveyed and a direction perpendicular to the conveyance direction, or a combination of the position, the moving speed, and the moved amount; and a setting unit configured to set an aperture value and an exposure time concerning the optical sensor based on the detection result.

Abstract: A printer includes a printer body including a holder configured to house rolled recording paper, a cover configured to open and close the holder, a coupling mechanism that couples the cover to the printer body, and a detachment preventing mechanism configured to prevent the cover from being detached from the printer body. The coupling mechanism includes shafts formed on one of side plates of the cover and inner walls of the printer body, and shaft holes formed in another one of the side plates and the inner walls and configured to receive the shafts; and the detachment preventing mechanism includes a stopper that is disposed such that ends of the stopper contact inner surfaces of the side plates and configured to support the side plates and prevent the side plates from falling when a load is applied to the cover.

Abstract: An apparatus for cooling a print head implemented on a wire and cable manufacturing line, the apparatus comprising a sleeve, wherein the sleeve has an internal portion and an external portion and wherein the sleeve forms an internal void marginally larger than the size of the print head and wherein the sleeve further comprises an elongated surface; a front surface connected to the elongated surface, wherein the front surface comprises an ink outlet opening; a rear surface connected to the elongated surface, wherein the rear surface comprises a cable opening; a channel connected to the internal portion of the sleeve, wherein the channel comprises an open side facing the internal void and wherein the channel on the internal portion of the sleeve extends from the rear to the front of the sleeve; an air inlet compartment in communication with the channel and enclosed by the rear surface; an air inlet in communication with the air inlet compartment; and an exhaust channel connected to the sleeve and extending from

Abstract: A liquid ejection head, including: a flow path forming member including a resin layer having an ejection orifice and a flow path formed therein; a substrate including a heat-generating resistance element for ejecting liquid and a protective layer having a portion for covering the heat-generating resistance element, a surface of the portion being exposed to the flow path; and an intermediate layer formed between the resin layer and the protective layer, the intermediate layer including a silicon carbonitride material.

Abstract: An automatic inkjet head cleaning method for a powder bed and inkjet 3D printer is provided, and the method includes steps: controlling a powder-laying module and a plurality of the inkjet heads of the powder bed and inkjet 3D printer to print a 3D physical model according to 3D printing data; retrieving a status value continuously or intermittently during printing; executing the first cleaning procedure for cleaning all or parts of the inkjet heads when determining the status value satisfies the first cleaning configuration value; and executing the second cleaning procedure for cleaning all or parts of the inkjet heads when determining the status value satisfies the second cleaning configuration value. The method automatically cleans the inkjet heads during the printing process, which effectively improves printing quality and reduces printing failure rates.

Abstract: Provided is a printing apparatus that includes a support unit which has a support surface for supporting a medium and moves in a movement direction, and a print unit configured to perform printing on the medium supported by the support unit. The support surface includes a first side and a second side that is shorter in length than the first side and extends in a direction intersecting with the first side. The support unit can be displaced to be in a first state where the first side is so arranged as to be along the movement direction and in a second state where the first side is so arranged as to be along a direction intersecting with the movement direction.

Abstract: The application provides an ink cartridge chip applied in an ink cartridge which is detachably installed in an imaging device. The ink cartridge chip includes an interface unit and a control unit. The interface unit receives a light control command from the imaging device, which may be a light-lighting-up or a light-extinguishing command. The control unit is connected to a light-emitting unit, and lights up the light-emitting unit on detecting that the ink cartridge chip is in a power-up initialization stage. And the control unit is also connected to the interface unit, and determines, in a case that the light control command is a light-extinguishing command, whether a preset extinguishing condition is satisfied, extinguishes the light-emitting unit if the preset extinguishing condition is satisfied, and maintains a current state of the light-emitting unit if the light control command is a light-lighting-up command.

Abstract: Example implementations relate to random wave mask generation. Some examples may distribute data points in a mask area based on a probability density function. The probability density function may have a maximum probability density located at a first edge and a second edge of the mask area. Some examples may also identify a wave curve that fits the data points. The wave curve may include oscillating waveforms of varying amplitudes. Some examples may also generate a random wave mask based on the wave curve.

Abstract: A drying device includes: a plurality of laser elements that emit laser beams with controllable intensity and respectively emit the laser beams such that the emitted laser beams partially overlap one another; and a controller that controls the intensity of the laser beams emitted from the plurality of laser elements so as to obtain intensity corresponding to drying intensity set as intensity for drying liquid droplets in a case where at least a part of an image region formed by the liquid droplets ejected in accordance with image information is included in an irradiation region of the laser beams emitted from the plurality of laser elements.

Abstract: An image processing apparatus for a printing apparatus. The image processing apparatus includes a recording position acquiring device for acquiring recording positions of a reference image printed by a reference print head and a target image printed by a target print head, a positional deviation amount calculating device for calculating a deviation amount due to a skew with respect to the recording positions of the reference image and the target image, and a positional deviation interpolation image converting device, when there is a remainder of the deviation amount and the predetermined intervals, for adding a weight based on the remainder, and adding a smaller weight than the weight to the reference image or the target image without a remainder and adjoining the reference image or the target image with the remainder, thereby converting the image into a width direction positional deviation interpolation image.

Abstract: In a printing apparatus including a circulation system circulating a liquid, a volatile component included in the liquid evaporates from an ejection opening and thus characteristics of the liquid involving with concentration or viscosity change. The invention provides a printing apparatus that uses a liquid ejection head including an ejection opening ejecting a liquid, a print element generating energy for ejecting a liquid, and a pressure chamber having the print element provided therein, the printing apparatus including: a circulator configured to circulate the liquid so that the liquid passes through the pressure chamber; and a concentration adjustment unit configured to adjust a concentration of a liquid inside a liquid circulation system by discharging the liquid from the inside of the liquid circulation system and replenishing the liquid into the liquid circulation system from the outside of the liquid circulation system in response to the amount of the discharged liquid.