Abstract: Image data which defines an ink amount to be ejected from each of a plurality of nozzles is stored in memory, the image data which is stored in the memory is subjected to an interpolation process corresponding to a faulty nozzle of a print head, the image data which is subjected to the interpolation process is subjected to a rotation process and the image data which defines the ink amount to be ejected and corresponds to each of the plurality of nozzles to be stored in the memory so as to be in a read-out order of the memory when the print head is positioned at a certain point in relation to the print medium, and the image data which is subjected to the rotation process is read out and output as the print data.

Abstract: A liquid discharge apparatus includes: a piezoelectric element that is displaced according to a voltage of a drive signal; a cavity which is filled with a liquid and of which an inside volume is changed due to the displacement of the piezoelectric element; a nozzle that communicates with the cavity and is capable of discharging the liquid; a charge source that supplies a charge to the piezoelectric element; and a connection path selecting section that causes the piezoelectric element and the charge source to be electrically connected to each other by using a first signal path or a second signal path. The charge source includes: a first auxiliary power source that outputs two types or more of voltages; and a second auxiliary power source that outputs three types or more of voltages by using the two types or more of voltages output from the first auxiliary power source.

Abstract: There is provided a compound which is represented by General Formula (1) below: in General Formula (1), R1 and R2 each independently represent a hydrogen atom, substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, R3, R4, and R5 each independently represent a substituent group, M represents a hydrogen atom or a counter cation, each of M may be the same or different, n3, n4, and n5 each independently represent a number between 0 and 4, and R3, R4, and R5 may be the same or different in a case where n3, n4, and n5 each represent a number equal to or greater than 2.

Abstract: Methods and systems are described herein for driving droplet ejection devices with multi-level waveforms. In one embodiment, a method for driving droplet ejection devices includes applying a multi-level waveform to the droplet ejection devices. The multi-level waveform includes a first section having at least one compensating edge and a second section having at least one drive pulse. The compensating edge has a compensating effect on systematic variation in droplet velocity or droplet mass across the droplet ejection devices. In another embodiment, the compensating edge has a compensating effect on cross-talk between the droplet ejection devices.

Abstract: The disclosure discloses a printer including a controller. The controller executes a reception process, a determination process, a first notification transmission process, a second notification transmission process, a data acquisition process, and a coordination control process. In the determination process, it is determined whether any of a print formation process, a feeding process, and a standby process is executed when a first print instruction is received. In the case that the print formation process or the feeding process is in execution, a first notification is transmitted in the first notification transmission process. In the case that the standby process is in execution, a second notification is transmitted in the second notification transmission process. In the case that none of the print formation process, the feeding process, and the standby process is in execution, print data included in the first print instruction is acquired in the data acquisition process.

Abstract: A printer according to this invention includes a print head, a carriage, a recovery unit, and a controller. The controller causes a recovery operation to be performed based on a total value of two values. Assuming that front and rear arrays of discharge port arrays during outbound movement of the carriage are defined as first and second arrays, respectively, the first value is obtained by multiplying a sum of an amount of ink discharged from the first array during outbound movement of the carriage and an amount of ink discharged from the second array during homebound movement of the carriage by a first coefficient, and the second value is obtained by multiplying a sum of an amount of ink discharged from the second array during outbound movement of the carriage and an amount of ink discharged from the first array during homebound movement of the carriage by a second coefficient.

Abstract: By appropriately defining a flow path capacity from an opening of an ink supply path to a nozzle in a pressure chamber, a progress of thickening ink toward the pressure chamber is suppressed. In other words, by setting the individual flow path capacity to be large, specifically, to 4400 pl or higher, desirably 6210 pl or higher, it is possible to suppress the progress of the thickening of the ink even in a small-sized liquid ejecting head of which the shortest formation pitch between each of the nozzles is 1/300 inches. More specifically, a nozzle communication opening is provided between the pressure chamber and the nozzle, and a total capacity of the nozzle communication opening and the pressure chamber is configured to be 4400 pl or higher, desirably 6210 pl or higher.

Abstract: A liquid ejecting head includes a driving element for ejecting a liquid from a nozzle; a wiring electrically connected to the driving element; an accommodation space that accommodates at least a portion of the wiring; and dummy wirings which are arranged in the accommodation space and adsorb sulfur.

Abstract: There is provide an ink-jet recording apparatus including: an ink containing a resin dispersion type pigment; an ink-jet head configured to discharge the ink; an absorber which is arranged in an area facing a discharge surface of the ink-jet head, and which is configured to absorb the ink discharged from the ink-jet head; and a liquid agent which contains a water-soluble organic solvent, and which is absorbed in the absorber, wherein a surface tension of an aqueous solution containing the liquid agent at concentration of 5% by weight is not more than 50 mN/m; and a blending percentage by weight of the water-soluble organic solvent in the liquid agent is not less than seven times a blending percentage by weight of the resin dispersion type pigment in the ink.

Abstract: There is provided a liquid discharging apparatus configured to discharge liquid, including: a liquid discharging head including a driving element; a driving device configured to drive the driving element; a power unit; a switch configured to perform switching of voltage supply; and a controller. When the power unit is switched on, the controller causes a power supply voltage of the power unit to be raised up to a first voltage while checking the power supply voltage; and the controller controls the switch to start the voltage supply from the power unit to the driving device while the power supply voltage is being raised up to the first voltage; and under a condition that the voltage supply is started while the power supply voltage is being raised up to the first voltage, the controller controls the driving device to apply the voltage to the driving element.

Abstract: A liquid container that supplies a liquid to a liquid consumption apparatus via a liquid introduction part disposed in the liquid consumption apparatus. The liquid container includes: a liquid container part that stores the liquid; a liquid supply part that is in communication with an inside of the liquid container part, that has a liquid supply opening facing in a first direction, and that the liquid introduction part is to be connected to, the first direction being a longitudinal direction of one end portion of the liquid container part; and an operation part that is connected to the liquid container part and that has a grip part that is grippable.

Abstract: A liquid discharge apparatus includes a discharge unit including a piezoelectric element that is displaced in response to a drive signal, a pressure chamber of which an inner pressure is increased or decreased by the piezoelectric element, and a nozzle which is in communication with the pressure chamber and discharges liquid filling the pressure chamber, depending on an increase or a decrease in the inner pressure of the pressure chamber, a detection unit that detects residual vibration occurring in the discharge unit according to a potential change of the drive signal that is supplied to the piezoelectric element, and a determination unit that determines a discharge state, in which the detection unit outputs a first detection signal and a second detection signal, and the determination unit determines the discharge state, based on the first detection signal and the second detection signal.

Abstract: An image forming apparatus includes a carriage configured to scan with an ejection head for ejecting ink droplets that harden when exposed to active energy line onto a recording medium to form an image and an emitter unit for emitting the active energy line mounted thereon, and an image forming controller configured to control ejection of the ink droplets from the ejection head and scan of the carriage. The image forming controller forms an ink droplet film of an uppermost layer of an image made of multiple layers of ink droplet films with finer image quality than that of an ink droplet film of each lower layer other than the uppermost layer, and forms the ink droplet film of the each lower layer other than the uppermost layer with coarser image quality and in a shorter length of time than a length of time taken to form the uppermost layer.

Abstract: According to an embodiment, an ink jet head includes a discharge unit, a first storing unit, a second storing unit, a waveform generating unit, and a voltage applying unit. The discharge unit discharges ink according to the operation of an actuator. The first storing unit stores a pattern of a voltage to be applied to the actuator. The second storing unit stores a plurality of timer sets. The waveform generating unit generates, on the basis of the timer sets stored by the second storing unit and the voltage pattern stored by the first storing unit, a waveform of the voltage to be applied to the actuator. The voltage applying unit applies the voltage to the actuator on the basis of the waveform generated by the waveform generating unit.

Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.

Abstract: There is provided a liquid discharge apparatus including: a liquid discharge head which includes a channel structure provided with a nozzle and a liquid channel, a driving element, and a driving unit; a light emitting part; a liquid receiving part receiving light passed through or reflected by the meniscus; and a controller. The controller controls the driving unit to apply at least one of several kinds of meniscus driving signals to the driving element in a state that the light emitting part emits the light to the nozzle, thereby vibrating the meniscus in the nozzle, and is configured to determine a recovery operation from among several kinds of recovery operations which have mutually different liquid discharge amounts to be discharged from the nozzle, on the basis of an amount of light which is received by the light receiving part in the case of vibrating the meniscus of the liquid.

Abstract: The type or surface condition of a sheet is determined with high accuracy even when performance of an optical sensor is degraded by ink mists or the like. Specifically, at the time of detecting light from a sheet with a sensor to make a determination on the sheet, at least two detection values are obtained by changing a relation between the sensor and the sheet, and the type or surface condition of the sheet is determined by using the at least two obtained detection values.

Abstract: Provided is a recording apparatus including a transporting unit capable of transporting a medium, a detecting unit capable of detecting a transport direction in which the medium is transported by the transporting unit, a recording unit capable of performing recording on the medium transported by the transporting unit, and a member capable of coming into contact with and separating from a side of the medium opposite to a recording side on which recording is performed by the recording unit and coming into contact with at least a part of the opposite side of the medium to prevent skewing of the transported medium when the medium is transported by the transporting unit.

Abstract: An example method for managing a service cartridge for an inkjet printhead in accordance with the present disclosure is provided. The service cartridge comprises a printing fluid storage container for receiving printing fluid discharged from the printhead and a web wipe intended to be advanced a predetermined length for performing a wiping operation on the printhead. The method comprises monitoring the amount of discharged printing fluid into the container, monitoring the amount of consumed web wipe, and causing that in a subsequent wiping operation the web wipe is advanced a length that is higher than the predetermined length, if the ratio of the amount of discharged printing fluid to the capacity of the printing fluid storage container is higher than the ratio of the amount of consumed web wipe to the total length of the web wipe.

Abstract: An inkjet printing system, fluid ejection system and method thereof are disclosed. The fluid ejection system includes a fluid ejection device and a determination module to determine a supply condition based on the count value output by the converter module. The fluid ejection device includes a fluid supply chamber to store fluid, an ejection chamber including a nozzle and a corresponding ejection member to selectively eject the fluid through the nozzle, a pressure sensor unit having a sensor plate to output a voltage value corresponding to a cross-sectional area of an amount of fluid in the ejection chamber. The fluid ejection system also includes a converter module to output a count value corresponding to the voltage value output by the pressure sensor unit.