An example device includes a printhead including a first print element to print a first color to a print medium and a second print element to print a second color to the print medium. The second print element is spaced apart from the first print element by an offset distance. The device further includes a controller communicatively coupled to the printhead. The controller is to control the printhead to print an image, and in response to receiving a signal to stop printing the image, control the first print element to stop printing the first color to the print medium and control the second print element to continue printing the second color to the print medium.

There is provided a drive board a manufacturing cost of which can be reduced while enhancing a liquid ejection performance. The drive board according to an embodiment of the present disclosure is a drive board which is applied to a liquid jet head, and outputs a drive signal to a jet section, and includes a first wiring layer and a second wiring layer opposed to each other along a direction perpendicular to a board surface, at least one drive device which is mounted on the first wiring layer, and is configured to generate the drive signal, a first power supply wiring line which is arranged in the first wiring layer, and is a wiring line configured to supply drive power toward the drive device, a differential line which is arranged in the first wiring layer, and is a line configured to transmit a differential signal toward the drive device, and a second power supply wiring line which is arranged in the second wiring layer, which is electrically coupled to the first power supply wiring line via a first through hole, and is opposed to a first area in the differential line. A wiring width in the second power supply wiring line is larger than a line width of the first area in the differential line.

A liquid discharge head unit includes a liquid discharge head that has a first detection resistor that is provided to correspond to a first piezoelectric element group, a second detection resistor that is provided to correspond to a second piezoelectric element group, a power supply circuit that causes a current to flow through the first detection resistor and the second detection resistor, a voltage detection circuit that detects a voltage, and a switching circuit that is configured to switch between a first state in which the voltage detection circuit is configured to detect a voltage generated in the first detection resistor due to the current flowing from the power supply circuit and a second state in which the voltage detection circuit is configured to detect a voltage generated in the second detection resistor due to the current flowing from the power supply circuit.

A distance between the first circuit and the second circuit is a first distance, a distance between the first circuit and the temperature detection circuit is a second distance longer than the first distance, and a distance between the second circuit and the temperature detection circuit is a third distance longer than the first distance.

A head includes: a head unit; and a wiring film configured to be connected to the head unit. The wiring film includes: a flexible substrate; a first IC provided on the flexible substrate; a second IC provided on the flexible substrate; a first wire provided on the flexible substrate to connect the first IC and a first contact portion of the head unit; a second wire provided on the flexible substrate to connect the second IC and a second contact portion of the head unit; and a third wire provided on the flexible substrate. The first IC has a long side extended in a predetermined direction and connected to the first wire, the second IC has a long side extended in the predetermined direction and connected to the second wire, and the first IC and the second IC are aligned along the predetermined direction to be apart from each other.

In a printhead control circuit causing a printhead to execute printing, the printhead performing abnormality detection in response to a first signal inputted to a second terminal in a state in which the potential of a first terminal is a first potential and a second signal inputted to the second terminal in a state in which the potential of the first terminal is a second potential, one of the first and second potentials is higher than the potentials of the first and second signals, and a signal circuit is configured to output the first and second signals. The signal circuit outputs the first signal to the second wire electrically coupled to the second terminal in a state in which the first wire is being supplied with a first voltage signal at the first potential and outputs the second signal to the second wire after outputting the first signal in a state in which the first wire is being supplied with a second voltage signal at the second potential, which is different from the first potential, to cause the printhead to execute the abnormality detection in response to the first signal, the second signal, the first voltage signal, and the second voltage signal.

There is provided a head system includes: a main controller; a plurality of head units; and sub-controllers respectively connected to at least one of the plurality of head units. The sub-controllers are each serially connected via a wiring. The wiring includes: a first communication path for transmitting an image signal; and a second communication path that transmits a discharge timepoint signal indicating a discharge timepoint. Each of the sub-controllers is configured to cause liquid corresponding to an image indicated by the image signal that has been received through the first communication path to be discharged from nozzles of one of the head units to which each of the sub-controllers have been connected, at a discharge timepoint indicated by the discharge timepoint signal that has been received through the second communication path.

An integrated circuit to drive a plurality of fluid actuation devices includes a plurality of first non-volatile memory cells and control logic. Each first non-volatile memory cell stores a customization bit. The control logic configures an operation of the integrated circuit based on the customization bits.

There is provided a liquid discharge apparatus for forming an image on a medium by discharging a liquid, including: a first discharge head that discharges a liquid; and a first temperature indicating section provided in the first surface, in which the first temperature indicating section indicates that a temperature of the first temperature indicating section is lower than a first threshold value in a first state, and indicates that the temperature of the first temperature indicating section is equal to or higher than the first threshold value in a second state, and the first state and the second state change reversibly, and at least a part of the first temperature indicating section overlaps at least a part of the first propagation wiring in a normal direction of the wiring substrate.

An information processing apparatus used to determine a waveform of a drive pulse applied to a drive element provided in a liquid discharge head for discharging a liquid includes a first reception unit that receives an input of first information regarding a first setting item for determining the waveform of the drive pulse, a second reception unit that receives an input of second information regarding a second setting item different from the first setting item for determining the waveform of the drive pulse, and a third reception unit that collectively receives the inputs of the first information and the second information from information stored in advance.