An example input voltage agnostic fluidic device may include a level shifter to adjust an input voltage of control signals received at an input interconnect to a voltage level that is within operational thresholds of on-chip devices of the input voltage agnostic fluidic device.

A recording apparatus includes a plurality of recording heads that performs recording by discharging ink onto a recording medium, a carriage on which the plurality of the recording heads are mounted, a reference portion provided at a position faceable by the plurality of recording heads, a distance sensor that is provided in either the plurality of recording heads or the reference portion to measure a distance between the plurality of recording heads and the reference portion, and a controller that controls execution of a predetermined process based on a measurement result of the distance sensor to adjust an ink adhering position discharged by each of the recording heads.

In at least one embodiment, a number of nozzle rows in a first area on a side of one end of a first substrate closest to one end of a print head is set to be lower than a number of nozzle rows on a central side of the print head relative to the first area, and energy for driving the element on the first substrate is set to be larger than energy for driving the element on a second substrate on the central side of the print head relative to the first substrate to set a dot to be formed on the recording medium by ink discharged from a nozzle in the first area to be larger than a dot to be formed on the recording medium by ink discharged from a nozzle in the second substrate.

A liquid discharge apparatus includes a liquid discharge head and circuitry. The liquid discharge head includes a nozzle to discharge liquid. The circuitry is configured to: generate and output a common drive waveform including a drive pulse for discharging liquid from the nozzle of the liquid discharge head; select a waveform portion of the drive pulse to be applied to a pressure generating element of the liquid discharge head; and output a selection signal for designating the waveform portion selected. The drive pulse includes at least an expansion waveform element for expanding a pressure chamber of the liquid discharge head and a holding waveform element for holding a state expanded by the expansion waveform element. The selection signal includes a deselection signal for deselecting at least a part of a waveform portion preceding the expansion waveform element having, as a terminal, a state held by the holding waveform element.

In one example, an apparatus is described, which includes a platen locating the print medium, at least one printhead for marking on the print medium, a carriage holding the at least one printhead, a sensor at least partially mounted to the carriage to measure a printhead-to-platen spacing (PPS) along scanning axis during scanning, and an integrated circuit including a dynamic compensation module and a PPS analysis module to delay firing of printing fluid drops from the at least one printhead to compensate platen defects based on the measured PPS.

A printing apparatus includes: power supply circuits including at least a first power supply circuit and a second power supply circuit, the power supply circuits having mutually different output voltages; and a head including nozzles, the nozzles forming groups arranged in a first direction, each of the nozzles being associated with any one of the power supply circuits. The groups include a first group and a second group adjacent to each other in the first direction. The first group is formed by nozzles associated with the first power supply circuit and nozzles associated with the second power supply circuit. The second group is formed by nozzles associated with the first power supply circuit and nozzles associated with the second power supply circuit.

A correction data setting apparatus, which sets correction data in a memory for storing the correction data for correcting a pulse width of a drive pulse signal applied to each actuator corresponding to each nozzle of an inkjet head, comprises a generation section which sequentially generates a channel No. for individually identifying each nozzle; an output section which outputs a parameter required for arithmetic which represents a characteristic of a correction amount with respect to an arrangement direction of the nozzles; an arithmetic section which executes the arithmetic using the parameter output from the output section to calculate the correction amount for each channel No. generated from the generation section; a conversion section converts the correction amount calculated for each channel No. by the arithmetic section to the correction data; and a setting section sets the correction data obtained for each channel No. by the conversion section in the memory.

A printing apparatus includes first and second actuators for exerting force to liquid, the number of the second actuators being smaller than the number of the first actuators; a switching circuit; first, second and third power circuits for applying voltages to the first and second actuators; and a controller for controlling driving of the first and second actuators. The controller is configured to control the switching circuit to electrically connect the first power circuit and some of the first actuators, electrically connect the second power circuit to the other of the first actuators and electrically connect the third power circuit to the second actuators, based on the number of the first actuators and the number of the second actuators.

A control circuit includes a memory interface and a power interface. The control circuit is configured to: read out identifiers and voltage values from a memory via the memory interface, the memory storing the identifiers and the voltage values associated with the identifiers, the identifiers identifying actuators for jetting liquid, the voltage values corresponding to values of voltages to be supplied to the actuators; based on the voltage values, associate each of the identifiers with one of power circuits; detect whether failure occurs in any of the power circuits via the power interface communicated with the power circuits each changeable in output voltage; and based on detection of the failure occurring in any power circuits, associate specified identifiers with a non-failure power circuit in which the failure does not occur, the specified identifiers associated with a failure power circuit in which the failure is detected.

A liquid jetting apparatus includes: a first head chip having first nozzles arranged in a nozzle arrangement direction; a second head chip having second nozzles arranged in the nozzle arrangement direction, and being arranged to overlap at least partially with the first head chip in an orthogonal direction orthogonal to the nozzle arrangement direction; a controller configured to control the first head chip and the second head chip to jet liquid from the first nozzles and the second nozzles; and power sources having different voltages, respectively. Each of the first nozzles and the second nozzles is driven by voltage supplied from one of the power sources, and the first head chip has a first overlapping portion and the second head chip has a second overlapping portion overlapping with the first overlapping portion in the orthogonal direction.