Abstract: A compact and portable printer, scanner and copier having dimensions and a housing allowing the device to be portable for travel with a laptop computer or other tablet or portable computing device. The three in one printer has a pivotal carriage for linear and rotational movement of the carriage and an ink cartridge. The printer also has an easily accessible removable ink cartridge maintenance system.

Abstract: An inkjet printer is provided, which is configured to acquire gap information related to a gap between an ink discharging surface and a recording sheet in each individual position of top-formed positions and bottom-formed positions within a predetermined wave-shape generating range, identify, when the predetermined wave-shape generating range includes a partial range in which the recording sheet is not placed, a top-formed position where the gap information has not been acquired and a bottom-formed position where the gap information has not been acquired, within the partial range, complement the unacquired gap information in the identified top-formed position with a value determined based on the respective pieces of gap information acquired in other top-formed positions, and complement the unacquired gap information in the identified bottom-formed position with a value determined based on the respective pieces of gap information acquired in other bottom-formed positions.

Abstract: A wiping member is configured to wipe a nozzle forming surface of a liquid ejecting head, which has nozzles through which a liquid is ejected, in a first direction. The wiping member includes a fibrous material and is configured to satisfy the following: ?a+3?a??f+3?f where ?f is an average of sizes of spaces between fibers in the first direction, ?f is a standard deviation of the sizes of the spaces, ?a is an average of sizes of aggregation substances formed of a solute in the liquid adhered to the nozzle forming surface in the first direction, and ?a is a standard deviation of the sizes of the aggregation substances.

Abstract: An aqueous ink used in an ink jet recording method that uses thermal energy to eject an ink from a recording head includes a copper phthalocyanine pigment and a urethane resin. The urethane resin has a unit derived from a polyisocyanate, a unit derived from a polyether polyol having no acid group, a unit derived from a polyol having an acid group and a unit derived from a polyamine; in the urethane resin, the proportion of the urethane bond relative to the total amount of the urethane bond and the urea bond derived from the polyamine is 90.0% by mole or more to 99.0% by mole or less; and the urethane resin has a weight-average molecular weight of 20,000 or less and an acid value of 50 mg KOH/g or more to 110 mg KOH/g or less.

Abstract: An inkjet recording apparatus includes an ink tank, a recording head, an ink sensor, a monitor, an operation panel, and a controller configured to control operation thereof. The controller receives a completion signal indicating completion of ink injection, and receives a first signal or a second signal from the ink sensor based on whether a predetermined amount of ink is sensed in the ink chamber. Based on the completion signal and receipt of the first signal, inquiry information is displayed on the monitor regarding whether ink injection into the ink chamber is completed. Based on the completion signal and receipt of the second signal, a notification is displayed on the monitor that is based on the ink sensor not sensing the predetermined amount of ink.

Abstract: A printing apparatus includes: a platen having a supporting surface configured to support a recording medium; a liquid droplet jetting head having a nozzle surface on which nozzles are open; a head moving unit configured to move the liquid droplet jetting head in a head movement area including a first area and a second area which is adjacent to the first area; a maintenance mechanism including a cap member configured to be movable in a cap movement area which includes a retracted position and a capping position and to cover the nozzles; a cap moving mechanism configured to move the cap member by utilizing movement of the liquid droplet jetting head form the first area to the second area; and a cap guiding mechanism configured to guide movement of the cap member in the cap movement area in an inclined direction.

Abstract: A method for manufacturing a device for ejecting a fluid, including producing a nozzle plate including: forming a first nozzle cavity, having a first diameter, in a first semiconductor body; forming a hydrophilic layer at least in part in the first nozzle cavity; forming a structural layer on the hydrophilic layer; etching the structural layer to form a second nozzle cavity aligned to the first nozzle cavity in a fluid-ejection direction and having a second diameter larger than the first diameter; proceeding with etching of the structural layer for removing portions thereof in the first nozzle cavity, to reach the hydrophilic layer and arranged in fluid communication the first and second nozzle cavities; and coupling the nozzle plate with a chamber for containing the fluid.

Abstract: Provided are an inkjet head and an inkjet recording apparatus which are compact and are capable of realizing high resolution, and are capable of stably ejecting liquid droplets at a high frequency while having a structure capable of circulating ink. The inkjet head includes: a plurality of nozzles which eject ink; a plurality of pressure chambers which are respectively communicate with the plurality of nozzles and are filled with ink; a plurality of pressure generation portions which apply a pressure to ink inside the plurality of pressure chamber; a circulation flow passage that is provided to be branched from an ink flow passage ranging from an inlet of the pressure chambers and an outlet of the nozzles, and is capable of discharging ink inside the plurality of pressure chambers; and a first damper and a second damper which are provided to face the circulation flow passage, and is capable of changing a volume of the circulation flow passage through elastic deformation in correspondence with a pressure.

Abstract: An inkjet printer includes: an inkjet printhead; an ink line connected to the printhead; and a compliance fluidically communicating with the ink line. The compliance includes sealed flexible bellows configured for dampening ink pressure fluctuations in the ink line.

Abstract: A liquid jetting head includes: a channel substrate having a nozzle surface in which nozzles are open, the channel substrate being formed with pressure chambers communicating with the nozzles respectively; and an actuator covering the pressure chambers. The pressure chambers include first pressure chambers arranged in an arrangement direction to form a first pressure chamber row. The nozzles include first nozzles communicating with the pressure chambers respectively. Any two first nozzles that are adjacent in the arrangement direction are arranged at different positions in the channel substrate with respect to an orthogonal direction which is parallel to the nozzle surface and orthogonal to the arrangement direction and different in a first distance. The first distance is a distance in the orthogonal direction between each first nozzle and an end on one side in the orthogonal direction of the first pressure chamber communicating with the first nozzle.

Abstract: A head unit includes a discharge section, a determination circuit, and a discharge limitation circuit. The discharge section is equipped with a piezoelectric element that is configured to be displaced in accordance with changes in potential of a drive signal when the drive signal is supplied. The discharge section is configured to discharge a liquid in accordance with displacement of the piezoelectric element. The determination circuit is configured to determine whether or not the piezoelectric element has a predetermined power storage capability. The discharge limitation circuit is configured to stop supply of the drive signal to the piezoelectric element and limit discharging of liquid from the discharge section when a result of determination is negative.

Abstract: In one example, a fluid flow structure includes a fluid dispensing micro device embedded in a molding having a channel therein through which fluid may flow directly to the device. The device contains multiple fluid ejectors and multiple fluid chambers each near an ejector. Each chamber has an inlet through which fluid from the channel may enter the chamber and an outlet through which fluid may be ejected from the chamber. A perimeter of the channel surrounds the inlets but is otherwise unconstrained in size by the size of the device.

Abstract: The disclosure discloses a non-transitory computer-readable recording medium storing a print processing program for executing an increment mode acceptance step, a condition acceptance step, a determination step, and a data output step on a computing device. In the increment mode acceptance step, a setting operation of an increment mode of at least one print number is accepted. In the condition acceptance step, a setting of a specific numerical condition of the print number to be emphasized is accepted. In the determination step, it is determined whether or not the print number included in a corresponding a print object satisfies the numerical condition. In the data output step, in the case that it is determined that the print number satisfies the numerical condition, the print data is generated to apply a predetermined emphasis process to the print number.

Abstract: A system for removably retaining a print head assembly includes a bracket holding a print head assembly and a shaft for receiving the bracket on the shaft. The shaft includes a retaining assembly, a first shaft section having a profile geometry to allow the bracket to be received onto the shaft, a second shaft section having a profile geometry preventing removal of the bracket from the shaft, and a positioning assembly configured to resiliently engage the bracket. When the bracket is received on the shaft at the first shaft section, the positioning assembly can engage and releasably reposition the bracket onto the second shaft section and against the retaining assembly.

Abstract: A direct-to-object printer includes a printhead pivoting subsystem. The printhead pivoting subsystem includes an actuator that rotates a frame in which a plurality of printheads is mounted. This rotation pivots the printheads about a pivot position to enable the printheads to change orientation with reference to a surface of an object being printed to accommodate contours of the object.

Abstract: An inkjet printhead comprising a printhead die, the printhead die comprising: a plurality of actuators; a plurality of electrical connections in electrical communication with respective first electrodes of the plurality of actuators for providing drive signals thereto; a first electrical bus arranged in common electrical communication with second electrodes of a first group of the actuators for providing first signals thereto; and a second electrical bus arranged in common electrical communication with second electrodes of a second group of the actuators for providing second signals thereto.

Abstract: A liquid ejecting apparatus includes a back pressure control unit including a back pressure control element that has a first opening, a second opening, a first liquid flow channel that enables the first opening and the second opening to communicate with each other, and a valve body that controls the flow of liquid in the first liquid flow channel, and a housing that houses the back pressure control element and in which a liquid introduction opening that communicates with the first opening and a discharge channel that communicates with the second opening are formed, and a head unit including a third opening connected to the discharge channel of the back pressure control unit, a second liquid flow channel that communicates with the third opening, a first filter disposed in the second liquid flow channel, a pressure generation chamber, a nozzle, and a pressure generation element.

Abstract: A method for detecting and compensating for failed printing nozzles in an inkjet printing machine by using a computer, includes printing a current print image, recording the printed print image by using an image sensor and digitizing the recorded print image by using the computer, adding digitized color values of the recorded print image of every column over the entire print image height and dividing the added-up color values by the number of pixels to obtain a column profile, subtracting an optimized column profile without failed printing nozzles from the original column profile to obtain a differential column profile, setting a maximum value threshold defining a failed printing nozzle when exceeded, applying that maximum value threshold to the differential column profile to obtain a resultant column profile every maximum of which marks a failed printing nozzle. The marked printing nozzles are compensated in a subsequent printing operation.

Abstract: The disclosure discloses a portable printer including a feeder, a printing head, a controller, and a command transmission unit. The feeder is configured to feed a print-receiving medium. The printing head is configured to perform print on the print-receiving medium fed by the feeder. The controller is configured to control the feeder and the printing head in cooperation with each other to produce a first printed matter by using desired first print data. The command transmission unit is configured to transmit through wireless communication to another printer other than the portable printer a production instruction for a second printed matter having print contents equivalent to the first printed matter at a predetermined timing after start of production of the first printed matter.

Abstract: A textile holder having adjustable side extensions is provided. The side extensions can be generally U-shaped metal rods or wires having a plurality of spaced notches for adjusting the spacing of the wires from a central pallet portion. Alternatively, other structures, such as plates can be used for the side extensions. The plates can include one or more slots. Screws or posts on the central pallet portion can be used to align the plates at appropriate extension distances and hold the plates in place.