A transport section transports a continuous printing paper in a predetermined transport direction. A first print section ejects first ink to the printing paper. A second print section is provided in a downstream side of the first print section in the transport direction, and ejects second ink to the printing paper. An ink amount estimating section estimates an amount of ink ejected to the printing paper from before printing by the first print section to before printing by the second print section, based on print data. A deviation amount obtaining section obtains a deviation amount between a print position by the first print section and a print position by the second print section at least based on the estimated ink amount. A print control section controls the print position by the second print section based on the deviation amount.

A printing apparatus configured to perform printing while varying an amount of adjustment of a target of adjustment, executing: printing a first adjustment pattern on a printing medium; reading the printed first adjustment pattern to acquire a first adjustment amount; printing a part of a second adjustment pattern on the printing medium, the printed part of the second adjustment pattern corresponding to only a part of the amount of adjustment according to the first adjustment pattern; reading the printed part of the second adjustment pattern to acquire a second adjustment amount; setting a first parameter that is a result of adjusting the target of adjustment by using the first adjustment amount; and setting a second parameter that is a result of adjusting the target of adjustment by using the second adjustment amount.

A recording apparatus includes a first nozzle row and a second nozzle row, and a control unit configured to control ejection of liquid, the control unit is configured to cause the nozzle row to perform scan of ejecting the liquid while moving, and when recording a first pattern including a first overlapping region and a first normal region by controlling the first nozzle row and recording a second pattern including a second overlapping region and a second normal region by controlling the second nozzle row, the first overlapping region is formed at a position overlapping the second normal region as viewed in a longitudinal direction, the first overlapping region being an overlapping region where a raster line is formed by performing the scan m times, the first normal region being where the raster line is formed by performing the scan n times, n being smaller than m.

A liquid discharge apparatus includes a substrate stage configured to move while holding a substrate, a discharge unit including nozzles for discharging a liquid, a control unit configured to control the discharge unit to discharge the liquid from the discharge unit, and a position acquisition unit configured to acquire a position of a movement target object at a predetermined timing while the substrate stage or the discharge unit is moved as the movement target object. The control unit controls a discharge timing for discharging the liquid from the discharge unit, based on a difference between the position of the movement target object acquired by the position acquisition unit at the predetermined timing and a target position of the movement target object at the predetermined timing.

A printing apparatus includes: a conveying roller which conveys a print medium in a conveying direction; a line head having first and second nozzle rows arranged in the conveying direction; and a controller. Each of the first and second nozzle rows includes nozzles aligned along a width direction orthogonal to the conveying direction. The nozzles are configured to discharge liquid, and the nozzles in the first nozzle row and the nozzles in the second nozzle row are shifted in the width direction. The first nozzle row has: first nozzles forming a group; and second nozzles forming a group adjacently in the width direction to the group of first nozzles in the first nozzle row. The second nozzle row has: first nozzles forming a group; and second nozzles forming a group adjacently in the width direction to the group of first nozzles in the second nozzle row.

A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit among the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.

A liquid discharge apparatus includes a substrate stage configured to be movable while holding a substrate, a discharge unit having nozzles for discharging droplets, a control unit configured to perform control to supply driving signals for discharging droplets from the nozzles to the discharge unit while moving the substrate stage, and an acquisition unit configured to acquire sizes of the droplets discharged onto the substrate, wherein the control unit performs control to discharge a plurality of droplets from the nozzles onto the substrate by supplying a plurality of driving signals for discharging droplets of different volumes to the discharge unit, and wherein the control unit identifies the driving signals corresponding to the droplets on the substrate based on the sizes of the droplets on the substrate acquired by the acquisition unit.

A control unit obtains a captured image of a reference workpiece by a second image capturing unit after a droplet ejected from a droplet ejecting head lands toward a reference mark formed on an upper surface of the reference workpiece, detects a positional deviation amount of a position of the reference mark and a landing position of the droplet based on the captured image, and calculates the correction amounts of the relative positions of a workpiece table and a droplet ejecting head based on the positional deviation amount.

A base material processing apparatus includes a tension detector that detects tension on a base material that is being transported, an encoder that detects the amounts of rotational drive of rollers that transport the base material, edge position detectors that detect the position of an edge of the base material in the width direction, and a transport displacement calculation part that calculates a transport displacement of the base material in the transport direction. The transport displacement calculation part includes an operation unit that has completed learning through machine learning and outputs the transport displacement on the basis of at least one of the result of detecting the tension, the result of detecting the amounts of rotational drive of the rollers, and the result of detecting the position of the edge. Accordingly, the transport displacement can be detected with high accuracy and low cost.

Misalignment between landing positions is appropriately corrected. A printing device 10 that performs printing by an inkjet method includes an inkjet head 102, a carriage 100, a main scan driving part 18 (carriage drive mechanism), a detection mechanism 106, and a controller 30. The controller 30 detects a position where a concentration is the highest among concentrations of a correction pattern changing depending on positions in a main scanning direction, calculates magnitude of misalignment between a landing position of ink ejected from the inkjet head 102 when the carriage 100 moves to a first direction side and a landing position of the ink ejected from the inkjet head 102 when the carriage 100 moves to a second direction side based on a detection result of the position where the concentration is the highest, and corrects the misalignment between the landing positions based on a calculation result.