Abstract: A tube pump that sends a fluid includes a tube, a roller, and a roller holder. In the roller holder, a guide groove is formed that receives a shaft of the roller and defines a range in which the roller is movable with respect to the roller holder. The roller holder has an inner side surface and an outer side surface as surfaces defining the guide groove in the roller holder. The inner side surface has a protrusion protruding toward the outer side surface.

Abstract: A printing device is provided. The printing device prints a cut position mark for specifying a medium cut position that is a cut position of a medium in a medium transport direction at a position separated by a certain distance from each of multiple medium cut positions on an transport direction upstream side, and prints a first cut range mark disposed at a position corresponding to one end of the medium cut range that is a cut range of the medium in the medium width direction at the medium cut position and a second cut range mark disposed at a position corresponding to the other end of the medium cut range.

Abstract: A shaping apparatus includes an inkjet head forming one shaped layer by performing multiple main scans of ejecting an ink droplet of a curable ink that cures according to light of a predetermined wavelength toward a shaping table while reciprocating in a main scanning direction; a light source provided at least at one position on a front side in a forward or return direction in the main scan with respect to the inkjet head and irradiating an ink dot formed by the ink droplet with light; and a flattening unit flattening an upper surface of the ink dot. A shaped object is formed by layering the shaped layer. In the shaping apparatus, the ink dot is flatted by the flattening roller in the return movement without completely curing the ink dot by controlling the on/off state or illuminance of the light source during at least one of the main scans.

Abstract: Provided is a wiper unit capable of simplifying a mechanism. The wiper unit includes a wiping body extending in a band shape, a housing on which the wiping body is placed and provided to be movable in a predetermined direction, a conveyance mechanism that moves the housing in the predetermined direction, and a transmission mechanism that transmits a moving force of the housing in the predetermined direction and converts the moving force into a moving force of moving the wiping body.

Abstract: A printer includes a printing portion that performs printing on a media, and a media exchanger that can hold a roll of a plurality of media and can move a specific roll among the rolls to a media supply position where the media can be supplied from the roll to the printing portion. The media exchanger includes a plurality of media holding parts and a rotating part. Each media holding part includes a set of clamping parts that rotatably clamps a single roll, and a guide part that slidably supports one or both of the clamping parts. The rotating part holds the plurality of media holding parts in an arrangement such that, when rotated about the rotation axis, the roll held by each media holding part comes to the media supply position once in the process of the rotation.

Abstract: An ink ejection mechanism, a printing device, and a method for fixing an inkjet head are provided for easy attachment of the inkjet head to a carriage. An ink ejection mechanism includes: a carriage that moves along a print surface of a recording medium; a head assembly that is detachably disposed on the carriage and ejects ink onto the recording medium; and a fixing unit that fixes the head assembly to the carriage by pressing the head assembly from above.

Abstract: A method for adjusting a printing apparatus includes an analyzing stage of performing, by an image analysis apparatus, analysis on a pattern image generated by reading a test pattern by a scanner, and a setting value updating stage of updating a control setting value stored in a database, in which the printing apparatus is caused to print a test pattern including a pattern for ejecting ink from a plurality of nozzle rows to the same position in a main scanning direction, in the analyzing stage, a dot position misalignment amount occurring in each nozzle row is detected by image processing based on the pattern image, a dot position correction value corresponding to the dot position misalignment amount is calculated by calculation, and in the setting value updating stage, the database is caused to store the dot position correction value as at least a part of the control setting value.

Abstract: An inkjet printing apparatus includes an inkjet head that moves in a main scanning direction at the time of printing; a filter chamber provided on a path for supplying ink to a nozzle hole (nozzle) in the inkjet head; and a spherical body placed on a head filter in the filter chamber. The spherical body has a diameter ? larger than the mesh of the head filter. The spherical body is disposed on the head filter so as to be rollable by the movement of the inkjet head.

Abstract: The ink landed on a print object is quickly irradiated with an ultraviolet ray. An ultraviolet irradiation device includes a rotating mechanism that holds a print object and rotates the print object about an axis of the print object, and an ultraviolet irradiator that irradiates an outer peripheral surface of the print object to which an ultraviolet-curable ink is attached with an ultraviolet ray. The ink ejected from above the print object lands on the outer peripheral surface of the print object. The ultraviolet irradiator is disposed on the side of the print object, and irradiates the outer peripheral surface of the print object with an ultraviolet ray from the side of the print object.

Abstract: The disclosure more appropriately creates a product of printing closer to the target state. A printing system (10) that creates a product of printing includes a printer (16) that is a printing apparatus that executes a printing step, a steaming machine (18) that is a device for a predetermined step that is a device that executes a predetermined step, and a control device (12); where the control device (12) acquires printed matter information that is information indicating a state of a printed matter obtained by performing the printing step by the printer (16), and adjusts a condition of a step to be executed in the steaming machine (18) based on information indicating a state of the target product and the printed matter information such that a product in a state closer to a state indicated by target product information is obtained.

Abstract: Provided are a maintenance liquid and a maintenance method that can solve an ejection problem of a UV curable inkjet printer. The maintenance liquid includes: a first ingredient in which a water-soluble compound is soluble and a cured matter of a UV curable ink is insoluble. The maintenance method includes: a first cleaning process at which a water-soluble compound that adheres to an inkjet head included in the UV curable inkjet printer is dissolved by a first maintenance liquid including the first ingredient in which the water-soluble compound is soluble and a cured matter of a UV curable ink is insoluble, and a second cleaning process at which the inkjet head is cleaned by a second maintenance liquid including a second ingredient in which the water-soluble compound is insoluble and the cured matter of the UV curable ink is soluble.

Abstract: The photocurable inkjet ink contains: a radical polymerizable compound; a photoinitiator; and a thixotropic agent, and has a first viscosity of 1,000 mPa·s or less as measured at a shear rate of 10,000 s?1, and a second viscosity of 10,000 mPa·s or more as measured at a shear rate set to 10?1 s?1 after a shear force is continuously applied at the shear rate of 10,000 s?1 for 30 seconds.

Abstract: A printing method for drawing an image on a transfer-receiving medium by transferring the image printed on a transfer medium to the transfer-receiving medium, the method including: a printing stage of printing the image on the transfer medium with a printing unit, which is a printing device; a hot melt resin adhering stage of causing hot melt resin powder to adhere to the transfer medium; and a transfer stage of transferring the image from the transfer medium to the transfer-receiving medium, in which the printing unit includes a colored ink head that ejects a colored ink and a clear ink head that ejects a clear ink, and in the printing stage, the clear ink is further ejected from the clear ink head to at least a part of a region to which the colored ink is ejected from the colored ink head in the transfer medium.

Abstract: An inkjet printing apparatus includes an inkjet head that moves in a main scanning direction at the time of printing; a filter chamber provided on a path for supplying ink to a nozzle hole (nozzle) in the inkjet head; and a spherical body placed on a head filter in the filter chamber. The spherical body has a diameter ? larger than the mesh of the head filter. The spherical body is disposed on the head filter so as to be rollable by the movement of the inkjet head.

Abstract: Provided is a printing device including a printing mechanism that performs printing on a long medium and a cutting mechanism that cuts the medium after printing in a width direction of the medium orthogonal to a transport direction of the medium, the printing device capable of performing printing on the medium by the printing mechanism and transporting the medium toward the cutting mechanism even during the cutting of the medium by the cutting mechanism. A printing device (1) includes a tension applying mechanism (10) having a tension bar (9) that comes into contact with a medium (2) after printing to apply tension to the medium (2). The tension bar (9) is disposed between a printing mechanism (3) and a cutting mechanism (7) in the transport direction of the medium (2).

Abstract: A printing apparatus that performs printing through an inkjet method includes an inkjet head and an ink supply system, where the ink supply system includes a pressure damper that is a pressure adjustment mechanism, a flow path that is a container-side flow path, and a connecting member in which a flow path that is a head-side flow path for flowing ink from the pressure damper to the inkjet head is formed, the pressure damper supplies ink adjusted to a pressure in a predetermined range lower than atmospheric pressure from an output port that is a pressure adjustment mechanism outlet to the flow path, and a flow path cross-sectional area of at least one part of the flow path in the connecting member is larger than a flow path cross-sectional area of the output port.

Abstract: Shaping of a shaped object is appropriately performed with high accuracy. A shaping device that shapes a shaped object includes head units that are ejection heads, a carriage that holds the head units, a main scan driving part, and a flattening roller unit that is a flattening member having a flattening roller, in which the main scan driving part includes a guide member that guides movement of the carriage in a main scanning direction, and a drive mechanism that moves the carriage along the guide member, and the flattening roller unit is coupled to the carriage so as to be held by the guide member movably in the main scanning direction outside the carriage and move together with the carriage in main scan operation.

Abstract: A printer control system for controlling an inkjet printer that prints an image having a predetermined thickness on a print medium includes: an image data creating/editing portion, configured for creating and editing an image data; and a printer control portion, configured for converting the image data sent from the image data creating/editing portion into a printing data and sending the printing data to the inkjet printer. When a portion for allowing the image to have a thickness in the image printed on the print medium is defined as a thick portion, the image data sent from the image data creating/editing portion to the printer control portion includes at least one of: a thickness information regarding a thickness of the thick portion, and a shape information regarding a shape of an end portion of the thick portion.

Abstract: Provided are a maintenance liquid and a maintenance method that can solve an ejection problem of a UV curable inkjet printer. The maintenance liquid includes: a first ingredient in which a water-soluble compound is soluble and a cured matter of a UV curable ink is insoluble. The maintenance method includes: a first cleaning process at which a water-soluble compound that adheres to an inkjet head included in the UV curable inkjet printer is dissolved by a first maintenance liquid including the first ingredient in which the water-soluble compound is soluble and a cured matter of a UV curable ink is insoluble, and a second cleaning process at which the inkjet head is cleaned by a second maintenance liquid including a second ingredient in which the water-soluble compound is insoluble and the cured matter of the UV curable ink is soluble.

Abstract: A printing system 10 configured to generate a product of printing includes: a coater 14 that is a pretreatment machine configured to execute a pretreatment process of performing a predetermined pretreatment on a medium that is a target of the printing; a printer 16 that is a printing device configured to execute a print process of performing the printing by ejecting ink onto the medium after the pretreatment performed by the coater 14; and a controller 12 that is a process management device configured to propose a condition for the pretreatment process based on a condition for the product to be generated.