Abstract: Provided herein are devices, methods and other means, including those related to printers, as well as computer readable media for storing code to execute instructions for a device, and other systems for providing and supporting mobile printing and other types of devices. An example disclosed printer includes circuitry that includes: a processor; connector circuitry; and input/output circuitry; a first circuit board onto which the processor is disposed; a second circuit board onto which the connector circuitry is disposed; and a third circuit board onto which the input/output circuitry is disposed.

Abstract: A printing apparatus (liquid droplet ejecting apparatus) includes a detector configured to output a first signal which denotes that a medium is not supported on a support face of a medium support unit, and a second signal which denotes that a medium is supported on the support face; and a controller that limits executing of a printing operation when the first signal in received and allows executing of a printing operation when the second signal is received. The controller is configured to ignore the first signal or interpret the first signal as the second signal under a specified condition.

Abstract: An ink jet recording apparatus of the present invention includes a head, a first light source, a second light source. Liquid droplets of a photo-curable ink composition are applied to a recording medium. After one second or less elapses from the time when the liquid droplets are applied to the recording medium, the liquid droplets are illuminated with light of the first light source. After 0.1 second or more and one second or less elapses from the time when the liquid droplets are illuminated with light of the first light source, the liquid droplets are illuminated with light of the second light source.

Abstract: In accordance with an embodiment, an ink circulation device comprises a pressure chamber including at least two flow holes through which ink flows; a piezoelectric vibration plate constituting a part of a wall of the pressure chamber and to be driven to increase or decrease an inner volume of the pressure chamber; a valve for opening and closing at least one of the two flow holes; a heater affixed on the piezoelectric vibration plate; and a connection section connecting the pressure chamber to an inkjet head.

Abstract: A liquid discharge apparatus includes an individual flow passage member; and a common flow passage member joined to the individual flow passage member in a first direction. The individual flow passage member has nozzle groups formed on a surface on a side opposite to the common flow passage member and connecting hole groups formed on a surface on a side of the common flow passage member; and the common flow passage member has manifold flow passages corresponding to the connecting hole groups respectively. Each of the nozzle groups includes nozzles aligned in a second direction orthogonal to the first direction; and each of the connecting hole groups includes connecting holes aligned in the second direction and connected to the nozzles respectively. Each of the manifold flow passages extends in the second direction and is connected to the nozzles via the connecting holes.

Abstract: A printer includes: a head; a platen roller; a support member supporting the head; a moving mechanism configured to move the support member between a nipping position and a separated position; a positioning member; and a displaceable member. The positioning member has a prescribed portion that contacts a printing medium nipped between the head and the platen roller. The positioning member positions the printing medium in a perpendicular direction perpendicular to a conveying direction of the printing medium. The prescribed portion and the head provide an imaginary straight line extending therebetween when the head is at a position that nips the printing medium in cooperation with the platen roller. The displaceable member supported by the support member moves along a prescribed path in conjunction with a movement of the support member between the nipping position and the separated position. The prescribed path intersects the imaginary straight line.

Abstract: Active-energy-ray-curable composition including: monofunctional monomers; and polymerization initiator, cured material of the composition satisfying 0.30?D?0.85, where D is difference between peak-area-ratios A and B in infrared-ATR and obtained by: the composition is coated on polycarbonate substrate to form coated film having average thickness of 10 ?m; the film is irradiated with active energy rays having light quantity of 500 mJ/cm2 at UV intensity of 1.

Abstract: A LED illumination source may include one or a plurality of LED illumination modules, each LED illumination module comprising a plurality of LED clusters, wherein each LED cluster comprises a LED array which is rotated by an angle of rotation with respect to an axis which is parallel to a predefined direction of sweep.

Abstract: The disclosure discloses a printer includes an error occurrence detecting portion, an interruption control portion, a switching portion, an error storage portion, and a display control portion. The error occurrence detecting portion detects occurrence of an error event. The interruption control portion interrupts a printing process. The switching portion performs switching to a supply shutoff state or a low power consumption state. The error storage portion stores contents of the error event corresponding to the interruption when the switching portion performs the switching. The display control portion controls the display device to display an error display screen representative of the contents of the error event stored in the error storage portion in the case that a return to a normal power supply state.

Abstract: An ink jet recording method according to the invention includes attaching a reaction liquid including a reactant for aggregating or thickening a coloring ink component including a coloring material to a recording medium; attaching the coloring ink by an ink jet method to an area where the reaction liquid is attached, in a state where a residual rate of a volatile component of the reaction liquid attached on the recording medium is 25% by mass or more after attaching of the reaction liquid; and attaching a clear ink including a resin to the area where the coloring ink is attached.

Abstract: Embodiments are directed to a molded plastic object that includes at least one vapor chamber within the plastic object. A wicking material is in contact with at least a portion of an inner wall of the vapor chamber. A working fluid located within the vapor chamber is configured to distribute heat from warmer regions of the plastic object to cooler regions of the plastic object. In some embodiments, the molded plastic object is part or all of a solid inkjet printhead.

Abstract: A liquid ejecting head includes a plurality of liquid ejecting modules each of which includes a plurality of unit heads each configured to eject liquid from a plurality of nozzles, and a first fixing plate having a first surface where the plurality of unit heads are fixed; and a second fixing plate having a base portion fixed to a second surface of the first fixing plate of the plurality of liquid ejecting modules, the second surface located on the side opposite to the first surface, and the base portion overlapping a gap between the adjacent liquid ejecting modules.

Abstract: A fluid ejection head and a method of making a fluid ejection head. The method includes providing a semiconductor substrate containing a plurality fluid ejection actuators on a device surface thereof. The substrate is reactive ion etched to form one or more fluid supply vias therein. A flow feature layer is laminated to the substrate and is exposed to ultra violet (UV) radiation through a photo mask to provide UV exposed areas of the flow feature layer. The flow feature layer is heated to cross-link material in the UV exposed areas. A nozzle plate layer is laminated to the flow feature layer and exposed to UV radiation through a photo mask to provide UV exposed areas for nozzle holes. The nozzle plate layer is cross-linked with heat and the flow feature layer and nozzle plate layer are developed to form the flow features and nozzle holes in the respective layers.

Abstract: A cap for a printhead device including a main body that includes a side wall, a top wall, and a bottom wall, the top wall and the bottom wall in a facing relation to one another so that a printhead device is held between the top and bottom walls, a vent seal disposed within an opening in the top wall, a nozzle plate seal disposed within an opening in the bottom wall, and a nozzle plate seal retainer that holds the nozzle plate seal within the opening in the bottom wall.

Abstract: Provided is a droplet ejection apparatus including: an ejecting mechanism in which plural ejection units which eject droplets from a nozzle to a transported recording medium are disposed in a zig-zag form in an intersection direction that intersects a transport direction of the recording medium; and a release unit which releases humidified air from a release port which is open in the recording medium side between ejection units in the intersection direction.

Abstract: Disclosed is an image forming apparatus including an image forming unit that ejects droplets from an image forming apparatus, and forms an image on a surface of a printing medium, a pre-processing unit that applies a pre-processing liquid to the surface of the printing medium before the image is formed by the image forming unit, and a post-processing unit that applies a post-processing liquid different from the pre-processing liquid to the surface of the printing medium after the image is formed by the image forming unit. The pre-processing unit applies an amount of the pre-processing liquid which is determined based on a type of the printing medium and the post-processing unit applies an amount of the post-processing liquid which is determined based on the type of the printing medium.

Abstract: There are provided: a maintenance unit that performs a maintenance operation simultaneously on the plurality of inkjet heads, a memory that stores, for each of ink types, a settable range of a maintenance cycle of a maintenance operation as maintenance information; and a controller that reads, from the maintenance information stored in the memory, lower limit values and upper limit values settable ranges) corresponding to table numbers stored in the memories of all the ink cartridges all the ink cartridges when a user maintenance cycle having been stored in the memory is set, and that causes the maintenance unit to perform a maintenance operation with the user-set maintenance cycle being the maintenance cycle when the user-set maintenance cycle is within the read-out settable ranges for all the ink types.

Abstract: The present disclosure is directed to a microfluidic die that includes a plurality of heaters above a substrate, a plurality of chambers and nozzles above the heaters, a plurality of first contacts coupled to the heaters, and a plurality of second contacts coupled to the heaters. The plurality of second contacts are coupled to each other and coupled to ground. The die includes a plurality of contact pads, a first signal line coupled to the plurality of second contacts and to a first one of the plurality of contact pads, and a plurality of second signal lines, each second signal line being coupled to one of the plurality of first contacts, groups of the second signal lines being coupled together to drive a group of the plurality of heaters with a single signal, each group of the second signal lines being coupled to a remaining one of the plurality of contact pads.

Abstract: A discharge position adjusting method includes: moving a first nozzle row and a second nozzle row in scanning directions, each of the first and second nozzle rows having a plurality of nozzles that eject liquid droplets, the first and second nozzle rows being disposed at different locations in a predetermined direction, the scanning directions intersecting the predetermined direction; forming a first image by ejecting liquid droplets from the first nozzle row, and forming a second image by ejecting liquid droplets from the second nozzle row; and adjusting positions at which liquid droplets are to be placed by using the first and second images. The first and second images are created during the moving of the first and second nozzle rows.

Abstract: A nonaqueous inkjet printing method that can provide prints with both high printing density and good gradation is provided. The nonaqueous inkjet printing method comprises printing an image by an inkjet recording system using a first nonaqueous ink comprising at least a coloring pigment, a water-soluble resin having an amino group, and a nonaqueous solvent, and then printing an image so as to overlap with the preceding image by an inkjet recording system using a second nonaqueous ink, wherein the second nonaqueous ink comprises at least a coloring pigment, inorganic particles, and a nonaqueous solvent, and the content of the coloring pigment in the second nonaqueous ink is lower than the content of the coloring pigment in the first nonaqueous ink. The first nonaqueous ink is preferably printed at a higher resolution of printing than the second nonaqueous ink.