B41J2025/008

Maintenance device and inkjet recording device
11807009 · 2023-11-07 · ·

Provided is a maintenance device that performs maintenance of a recording head with a nozzle face on which an opening of a nozzle for ink discharge is provided. The maintenance device includes a scraper that scrapes ink that adheres to the nozzle face, and an ink receiver that receives ejected ink that is ejected through the nozzle and scraped ink that is scraped off by the scraper. The ink receiver includes a first face and a second face that are each inclined with respect to a horizontal plane. The ink receiver receives the ejected ink at least on the first face of the first face and the second face, and receives the scraped ink on the second face. A flowability of ink on the second face is greater than a flowability of ink on the second face.

Liquid discharge apparatus, inspection method, and non-transitory computer-readable storage medium
11535040 · 2022-12-27 · ·

A liquid discharge apparatus includes a plurality of liquid dischargers and circuitry. The plurality of liquid dischargers is configured to discharge liquids of a plurality of colors from discharge holes to form an inspection image on a recording medium. The circuitry is configured to detect a failure of the discharge holes, based on the inspection image formed on the recording medium with the liquids of the plurality of colors. The inspection image includes linear images of the plurality of colors extending in a first direction and arrayed in a second direction intersecting the first direction. Linear images of at least two colors, of the linear images of the plurality of colors, are positioned to overlap each other in the first direction.

Image forming apparatus and image forming method
11458738 · 2022-10-04 · ·

An image forming apparatus includes: a hardware processor that forms an image on a conveyed recording medium; and a determining device that determines whether a type of the recording medium is a first recording medium or a second recording medium, wherein if the type of the recording medium is determined to be the first recording medium, the hardware processor forms a normal image on the recording medium, whereas if the type of the recording medium is determined to be the second recording medium, the hardware processor forms a test image on the recording medium.

PRINTING DEVICE AND BACK PRESSURE CONTROL METHOD
20220297441 · 2022-09-22 · ·

A printing device includes an ink jet head that jets an ink from a jetting surface, an ink circulation flow passage through which the ink circulates, a moisturizing unit that moisturizes the jetting surface in an ink circulation stop period in which circulation of the ink in the ink circulation flow passage is stopped, a reception unit that receives a set input value of the ink circulation stop period, and a controller that controls a back pressure of the ink jet head at a start of the ink circulation stop period in accordance with the set input value of the ink circulation stop period received by the reception unit.

Apparatus configured to discharge liquid
11383521 · 2022-07-12 · ·

An apparatus configured to discharge liquid includes a plurality of liquid discharge modules arranged at different inclinations in the apparatus. Each of the plurality of liquid discharge modules includes a liquid discharge head, a containing member, and a holding member. The liquid discharge head is configured to discharge liquid. The containing member is configured to contain liquid to be supplied to the liquid discharge head. The holding member is configured to hold the containing member. The holding member of each of the plurality of liquid discharge modules includes a first adjuster configured to adjust a position of the containing member relative to the liquid discharge head in a vertical direction in the apparatus.

Image processing device, printing apparatus, image processing method with control for print medium feed executed at first time interval where error module is detected and at second time interval where error module is not detected
11416185 · 2022-08-16 · ·

An image processing device of the present invention comprises: image processing groups each of which includes modules that perform predetermined image processing on pieces of divided image data obtained by dividing input image data and each of which outputs the pieces of image data processed in the respective modules via a predetermined one of the modules; an obtaining unit to which the image processing groups are connected in parallel and which obtains the pieces of image data processed and outputted from the image processing groups; a detection unit which detects an error module not performing normal processing among the modules; and a control unit which sets a usable group that is usable for the image processing among the image processing groups based on a result detected by the detection unit and which causes the usable group to execute the image processing on the pieces of divided image data.

Printing apparatus and method of positioning ultraviolet irradiation part
11390095 · 2022-07-19 · ·

A printing apparatus includes a supporting part for a printing medium, a head, an ultraviolet irradiation part that emits from an irradiation surface thereof ultraviolet light, a protrusion fixed to the ultraviolet irradiation part, a frame, an attaching part that is attachable to the frame with an attaching position thereof adjusted, and a guide part that is attachable to the frame and guides the adjustment of the attaching position of the attaching part with respect to the frame. The guide part includes first and second butted parts, and the attaching part includes a butting part having a width smaller than a spacing between the first and second butted parts, and a distance between the irradiation surface and the supporting part is a sum of a difference between the width of the butting part and the spacing and a protruding length of the protrusion from the irradiation surface.

Liquid ejecting apparatus and maintenance method for liquid ejecting apparatus

A liquid ejecting apparatus includes a liquid ejecting portion that has a nozzle opening surface on which a plurality of nozzles open, and that ejects a liquid from the nozzles to a medium in an inclined state in which the nozzle opening surface is inclined, a first cleaning portion that has a wiping member configured to wipe the nozzle opening surface by moving relative to the liquid ejecting portion in a state of being in contact with the nozzle opening surface, and a second cleaning portion that is formed of an absorbing member configured to absorb the liquid and that has an end portion cleaning member configured to wipe a lower end of the nozzle opening surface in the inclined state by moving relative to the liquid ejecting portion in a state of being in contact with the lower end.

LIQUID DISCHARGE APPARATUS, PRINTER, AND LIQUID DISCHARGE METHOD

A liquid discharge apparatus includes a first liquid that generates heat in an absorption wavelength region of an active energy ray, a first discharger configured to discharge the first liquid, a second liquid that starts polymerization in the absorption wavelength region of the active energy ray, a second discharger configured to discharge the second liquid, and an irradiator configured to irradiate the first liquid and the second liquid with the active energy ray.

Recording device and recording method
11458736 · 2022-10-04 · ·

A recording device includes a recording unit configured to discharge a plurality of colors of ink, and a control unit configured to control the recording unit to perform recording of an image on a recording medium, wherein the control unit is configured to perform color expansion processing to copy, to a target pixel, a recording amount of first ink included in another pixel, the target pixel and the other pixel configuring image data representing the image, the target pixel being adjacent to the other pixel, the other pixel including the recording amount of the first ink of the plurality of colors of ink, the target pixel including a recording amount of second ink of the plurality of colors of ink, and cause the recording unit to perform recording based on the image data after the color expansion processing. The target pixel does not include the recording amount of the first ink, and the second ink has a different color than the first ink.