Abstract: An ink for inkjet textile printing is disclosed that contains a pigment, a water-dispersible urethane resin having a film elongation of 600% to 2,000%, a water-soluble organic solvent and water, wherein the weight ratio between the pigment and the water-dispersible urethane resin is from 1:3 to 1:16. An ink set and a method for producing a printed item are also disclosed.

Abstract: A conveyance device includes: a conveyance mechanism configured to unwind and convey a web from a web roll; a brake configured to brake rotation of the web roll; a controller configured to perform control of gradually reducing a torque of the brake and then turning off the brake in an operation of turning off the brake in a state where conveyance of the web by the conveyance mechanism is stopped and the brake is on with a tension applied to the web between the web roll and the conveyance mechanism.

Abstract: A printing apparatus includes: a printer; a sheet feeder including sheet feed trays; a sheet discharger to discharge and hold sheets printed by the printer; and a controller. Upon unloading of the sheets from the sheet discharger, the controller: determines whether to perform switching of a sheet feed source from a first sheet feed tray which is a latest sheet feed source of the sheet feed trays to a second sheet feed tray which is a sheet feed tray other than the first sheet feed tray of the sheet feed trays, based on a first sheet remaining amount in the first sheet feed tray and a second sheet remaining amount in the second sheet feed tray; and, upon determining to perform the switching, controls the sheet feeder to switch the sheet feed source from the first sheet feed tray to the second sheet feed tray.

Abstract: An ink jet printing apparatus includes: a conveying mechanism that moves at least one of a print medium and an ink jet head in a predetermined conveyance direction; a height information detecting unit that obtains information related to the height of the surface of the print medium; a moving mechanism that moves at least one of the ink jet head and the print medium upward and downward in the vertical direction; and a control unit that controls the ink jet head while sequentially controlling the moving mechanism accompanying conveyance by the conveying mechanism, based on the information related to the height which is detected by the height information detecting unit, thereby maintaining the distance between the print medium and the ink jet head to be within a range which is set in advance, to perform a printing process on the print medium.

Abstract: An oil-based magnetic ink can be provided that has low viscosity and improved storage stability. Specifically disclosed is an oil-based magnetic ink containing a magnetic pigment that contains a ferrite, a pigment dispersant A that has an acid value but has no base value, a pigment dispersant B that has an acid value and a base value, and a non-aqueous solvent. One example of the pigment dispersant A is at least one compound selected from the group consisting of hydroxystearic acid and polyhydroxystearic acid. One example of the pigment dispersant B has an acid value of at least 5 mgKOH/g.

Abstract: A transportation apparatus includes a plurality of transportation members that are arranged in a transportation direction for a medium and transport the medium, a plurality of actuators that drive the plurality of transportation members, and a processor that controls the plurality of actuators in such a manner as to increase transportation velocities of the plurality of actuators in order from actuators for driving transportation members on a downstream side in the transportation direction to actuators for driving transportation members on an upstream side in the transportation direction.

Abstract: A printing apparatus includes: a conveyor including a first pair of conveyance rollers and a second pair of conveyance rollers each configured to nip and convey a sheet; a first jam releaser configured to separate rollers of the first pair of conveyance rollers from each other; a second jam releaser configured to separate rollers of the second pair of conveyance rollers from each other; and a controller configured to control the conveyor. In stopping sheet conveyance by the conveyor upon occurrence of a failure, the controller controls the conveyor to prevent a sheet from being nipped only by the first pair of conveyance rollers prior to separation of the rollers of the first pair of conveyance rollers from each other by the first jam releaser.

Abstract: An aqueous pigment ink for textile inkjet printing is disclosed that contains a pigment, a first water-dispersible resin, a second water-dispersible resin and water, wherein the first water-dispersible resin is at least one resin selected from the group consisting of a water-dispersible urethane resin, a water-dispersible (meth)acrylic resin and a water-dispersible styrene/(meth)acrylic resin, the second water-dispersible resin is a water-dispersible polyester resin, the total amount of the first water-dispersible resin and the second water-dispersible resin is from 2 to 18% by mass relative to the total mass of the ink, and the mass ratio of the second water-dispersible resin relative to the first water-dispersible resin (second water-dispersible resin/first water-dispersible resin) is from 0.1 to 5.0. A method for producing a printed textile item and an ink set are also disclosed.

Abstract: A controller performs control to: print a test pattern on a print medium, the test pattern including: a head reference straight line extending in a main scanning direction and printed by a reference print head; and head adjustment straight lines extending in the main scanning direction and printed by each of non-reference print heads at timings corresponding to timing adjustment values; and in response to input of information specifying the head adjustment straight line with a smallest print misalignment amount in the sub-scanning direction with respect to the head reference straight line for each of the non-reference print heads, determine, for each of the non-reference print heads, the timing adjustment value corresponding to the head adjustment straight line specified by the input information as an adjustment value of an ink ejection timing in the non-reference print head in normal printing.

Abstract: A pretreatment liquid for inkjet textile printing is disclosed that includes water and a cellulose-based polymer having a weight average molecular weight of at least 50,000. A method for producing a printed textile item and an ink set for inkjet textile printing are also disclosed.

Abstract: A medium ejection apparatus includes a placement mount on which media are placed, a restriction part that moves between a restriction position at which the restriction part restricts media ejected toward the placement mount and a retracted position retracted from the restriction position, and a processor that controls the restriction part by adjusting a restriction frequency on the basis of at least either an amount of movement of the restriction part from the retracted position to the restriction position or ejection intervals at which the media are ejected toward the placement mount, the restriction frequency being a frequency with which the restriction part performs a restriction operation for the media.

Abstract: A printing system includes: a first printing device, which has a first print processing unit that performs print processing and a first display unit that displays a setting input screen that receives a predetermined input of settings; a second printing device, which is provided on the downstream side of the first printing device, has a second print processing unit that performs print processing and a second display unit that displays a setting input screen that receives a predetermined input of settings; and a control unit that controls the first printing device and the second printing device. The control unit enables a setting to be input via the setting input screen of only one of first display unit and the second display unit in the case that input of settings having the same content is to be received by the first printing device and the second printing device.

Abstract: An inkjet printer includes first and second inkjet heads arranged to partially overlap each other in a main scanning direction and configured to eject ink to a print medium conveyed in a direction orthogonal to the main scanning direction and a controller. The controller is configured to perform a distribution processing of distributing a number of drops of ink for each of pixels in an image to be printed by an overlap portion of the first inkjet head and the second inkjet head based on a random number between first nozzles of the first inkjet head and second nozzles of the second inkjet head overlapping each other.

Abstract: An ink circulator includes a first tank configured to supply ink to an inkjet head, a second tank configured to collect the ink from the inkjet head, an inter-tank path through which the ink is delivered from the second tank to the first tank, and an ink deliverer arranged in the inter-tank path and configured to deliver the ink from the second tank to the first tank through the inter-tank path. A third tank and the inter-tank path are connected via a connection path in which a switch arranged. Ink supply to the ink circulator is performed by driving the ink deliverer to deliver the ink from the third tank to the first tank with communication between the inter-tank path and the third tank allowed by the switch.

Abstract: An oil-based inkjet ink is disclosed that contains a colorant, an oil-soluble resin that is an acrylic-based polymer having a side chain containing a polydimethylsiloxane structure, and a non-aqueous solvent. A method for producing an oil-based inkjet ink is also disclosed.

Abstract: A print system includes an image forming apparatus and a wearable terminal configured to communicate with the image forming apparatus. The image forming apparatus includes a detector configured to detect an error and a controller configured to send a guidance information used to remove the error to the wearable terminal. The wearable terminal includes a transmissive display, a fixing portion configured to fix the transmissive display in front of eyes of a user, a communication unit configured to receive the guidance information, and a display controller configured to display the guidance information on the transmissive display for the image forming apparatus viewed through the transmissive display.

Abstract: An oil-based inkjet ink is disclosed that contains colored resin particles, an ionic dispersant and a non-aqueous solvent, wherein the colored resin particles contain a colorant and a urethane-urea resin. A method for producing an oil-based inkjet ink is also disclosed.

Abstract: A wiping device is equipped with a wiping blade that wipes an ink ejection surface of a nozzle row of an ink jet head, a cleansing tank that stores a cleansing solution and in which the wiping blade is immersed, and a shower unit that sprays the cleansing solution onto the wiping blade.

Abstract: An oil-based inkjet ink can be provided which prevents dye conversion of a dye lake pigment contained in the ink, prevents adhesion of the ink to the nozzle plate, and yields excellent drying properties for printed items. The oil-based inkjet ink contains a dye lake pigment, a pigment dispersant and a non-aqueous solvent, wherein the non-aqueous solvent contains a silicone oil having a surface tension of at least 20 mN/m but not more than 28 mN/m. The surface tension of the silicone oil is preferably at least 22 mN/m but not more than 26 mN/m.

Abstract: An oil-based inkjet ink set is disclosed that includes: an oil-based inkjet ink A containing a non-aqueous solvent, the non-aqueous solvent of the oil-based inkjet ink A containing at least 15% by mass of a silicone oil relative to the total mass of the non-aqueous solvent of the oil-based inkjet ink A, and an oil-based inkjet ink B containing a non-aqueous solvent, the non-aqueous solvent of the oil-based inkjet ink B containing at least 50% by mass of a petroleum-based hydrocarbon solvent relative to the total mass of the non-aqueous solvent of the oil-based inkjet ink B. A method for producing a printed item is also disclosed.