A liquid discharge apparatus includes a head having multiple nozzles arrayed in a nozzle array direction, a conveyor configured to convey a linear medium in a conveyance direction, circuitry configured to control the head to discharge a liquid droplet to the linear medium from the multiple nozzles based on image data, and a droplet detector configured to detect the liquid droplet discharged from the multiple nozzles. The circuitry is further configured to select discharge nozzles, from the multiple nozzles, used to discharge the liquid droplet to the linear medium according to a detection result of the droplet detector, and correct the image data according to the discharge nozzles selected by the circuitry.

A liquid discharge apparatus includes a head having multiple nozzles arrayed in a nozzle array direction, a conveyor configured to convey a linear medium in a conveyance direction, circuitry configured to control the head to discharge a liquid droplet to the linear medium from the multiple nozzles based on image data, and a droplet detector configured to detect the liquid droplet discharged from the multiple nozzles. The circuitry is further configured to select discharge nozzles, from the multiple nozzles, used to discharge the liquid droplet to the linear medium according to a detection result of the droplet detector, and correct the image data according to the discharge nozzles selected by the circuitry.

A printing apparatus configured to perform printing by a combination of transport of a printing medium by a transport unit and main scanning for discharging ink in association with movement of a scanning unit, wherein the control unit is configured to calculate, a one-time transport amount by the transport unit for each nozzle row at each of the nozzle row positions, the one-time transport amount being a complementary transport amount at which non-discharge of ink by the defective nozzle is complementable by discharge of ink by the normal nozzle, based on a relationship between the main scanning before the transport and the main scanning after the transport, determine a common transport amount to the nozzle rows at the respective nozzle row positions based on the complementary transport amount for each nozzle row, and perform the printing the determined common transport amount as the one-time transport amount by the transport unit.

Provided are an ink-jet type vehicle coating machine and an ink-jet type vehicle coating method that enable formation of a uniform coating film thickness at a coating portion including an end of a vehicle. In a state where a longitudinal direction of a nozzle head 53 is orthogonal to a scanning direction, a first nozzle array 55A and a second nozzle array 55B are disposed such that droplets discharged from nozzles 54 of the second nozzle array 55B are discharged to intermediate portions between droplets discharged from nozzles 54 adjacent to each other in the first nozzle array 55A. In addition, on the basis of trajectory data for moving the nozzle head 53, attitude data for keeping the longitudinal direction of the nozzle head 53 perpendicular to a main scanning direction of the nozzle head 53 is formed. An arm control unit 110 controls a robot arm on the basis of the trajectory data and attitude data such that, in a state where the nozzle head 53 performs coating while moving in the main scanning direction, the longitudinal direction of the nozzle head 53 is kept perpendicular to the main scanning direction.

Provided is an ink jet recording method using an ink jet recording apparatus having an ink jet head, the method including: a colored ink adhesion step of discharging an aqueous colored ink composition containing a coloring material from an ink jet head to adhere to a recording medium; and a clear ink adhesion step of discharging an aqueous clear ink composition from an ink jet head to adhere to the recording medium, in which the aqueous clear ink composition contains wax particles, the ink jet recording apparatus has a circulation path for circulating the aqueous clear ink composition, and in the clear ink adhesion step, the aqueous clear ink composition circulated in the circulation path is discharged.

A method for printing with an inkjet head includes: printing with an inkjet head comprising a plurality n of parallel nozzle rows, where n is at least 2; where each nozzle row comprises a plurality of nozzles, where adjacent nozzle rows of the plurality of nozzle rows are shifted with respect to each other; where a distance between two nozzle rows, seen in the printing direction, is d; and where said printing includes: moving the substrate with respect to the inkjet head in the printing direction at a printing speed v′; and firing each nozzle of the plurality of nozzles with a firing frequency f′; where the plurality of nozzle rows are fired at different instants in time, such that the distance d′ between printed rows of dots printed by the two nozzle rows, seen in the printing direction, is larger or smaller than d.

A recording device includes a leg unit that supports a base frame of a main body from a side of an installation surface. The leg unit includes four contact units that can contact the installation surface at positions different from each other, and the four contact units are constituted by three reference contact units that form a reference plane for which a relative position with respect to the base frame is defined, and one movable contact unit that can adjust a position in a height direction, which is a direction orthogonal to the reference plane.

A printing unit includes: a unit chassis for positioning over a media feed path; a pair of opposed inkjet modules mounted in tandem on the unit chassis in forward and reverse orientations, each inkjet module including a module chassis having a C-shaped base plate defining an open longitudinal slot and a printhead positioned in the open longitudinal slot of a respective base plate; and an aerosol extractor positioned beneath the base plate of a downstream inkjet module relative to a media feed direction. The pair of opposed C-shaped base plates have relatively proximal open longitudinal slots containing the pair of printheads and relatively distal longitudinal base members.

A printing unit includes: a unit chassis for positioning over a media feed path; a pair of opposed inkjet modules mounted in tandem on the unit chassis in forward and reverse orientations, each inkjet module including a module chassis having a C-shaped base plate defining an open longitudinal slot and a printhead positioned in the open longitudinal slot of a respective base plate; and an aerosol extractor positioned beneath the base plate of a downstream inkjet module relative to a media feed direction. The pair of opposed C-shaped base plates have relatively proximal open longitudinal slots containing the pair of printheads and relatively distal longitudinal base members.

A printing unit includes: a unit chassis having a pair of side bars interconnected by a pair of end bars; first and second print modules mounted on the unit chassis, each print module having a respective printhead and an associated print zone; an aerosol extractor providing an airflow through the print zones; and an interstitial bar positioned in a space between the printheads. The interstitial bar is configured to modulate the airflow through the print zones.