Riso Kagaku

An inkjet head includes nozzles arranged at different height positions, respectively. A purging unit is configured to discharge ink from the nozzles by positive pressure purging. A controller is configured to: cause the purging unit to discharge the ink from the nozzles by the positive pressure purging at a purging pressure suiting a reference nozzle that is a nozzle other than a nozzle of the nozzles at a highest position in maintenance of the inkjet head; and then perform flushing in each nozzle of the nozzles at positions above the reference nozzle such that the higher the position of the nozzle is, the greater an ejection amount of the ink is.

A conveyance device (1) includes a plurality of turntables (11, 12, 13, 14) and a circulation mechanism (20). A processing medium (B) as a three-dimensional object is placed on the plurality of turntables (11-14), and each of the turntables (11-14) is rotatable. The circulation mechanism (20) circulates and moves the plurality of turntables (11-14) on a circulation path (R) including a processing position (P2) where the processing medium (B) faces a processing device (110).

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A print system includes: a printer; and a server connected to the printer via a network and configured to cause the printer to perform printing on a three-dimensional print medium. The server includes a controller configured to: store an advertisement table associating market information including at least product information with advertisement image data obtained by converting a three-dimensional image into two dimensions or store a learned model where data associating market information including at least product information with advertisement image data obtained by converting a three-dimensional image into two dimensions is learned as training data; extract, based on the stored advertisement table or the stored learned model, the advertisement image data corresponding to the market information relevant to transaction information of a purchased product; and process the extracted advertisement image data such that an advertisement image of the extracted advertisement image data appears three-dimensional from a prescribed virtual viewpoint according to a three-dimensional shape of the three-dimensional print medium with respect to at least two surfaces of the three-dimensional print medium where the purchased product is packaged.

A method for producing a printed textile item, the method including applying a treatment liquid containing an aggregating agent to a fabric using an inkjet method, applying a white ink having a charge density of at least 30 µeq/g, using a step of using an inkjet method and a wet-on-wet method, to the fabric to which the treatment liquid has been applied, applying a color ink for which the Young's modulus of the dried coating film is not more than 3.0 MPa, using an inkjet method and a wet-on-wet method, to the fabric to which the white ink has been applied.

An inkjet printer includes an inkjet head including nozzles arranged in a nozzle array and configured to eject ink. While moving relative to a print medium, the inkjet head is configured to perform printing on a printing surface of the print medium by ejecting ink from the nozzles for every line of an image along a direction orthogonal to a direction of the relative movement, the printing surface being non-horizontal and parallel to the direction of the relative movement. The nozzle array is inclined such that positions of the nozzles are lower toward an upstream side in the direction of the relative movement of the print medium as viewed from the inkjet head.

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