B41J2002/1655

PRINTING APPARATUS AND MAINTENANCE METHOD
20220305792 · 2022-09-29 ·

A technique for suppressing ejection failure at an ejection port, which is caused by reaction of reaction liquid and ink during a wiping operation, is to be provided. Before the ejection port surface, on which the first ejection port array that is capable of ejecting the ink and the second ejection port array that is capable of ejecting the reaction liquid which reacts with the ink are formed, is wiped by the maintenance unit that is capable of receiving the ink and the reaction liquid, ink that does not contribute to printing is ejected to an area of the maintenance unit between an area abutted by the first ejection port array during the wiping and an area abutted by the second ejection port array during the wiping.

Printing unit with replaceable printhead

A printing unit includes: a sleeve and a print module received in the sleeve, the print module being slidably removable, in a first direction, from the sleeve. The print module includes a supply module and a replaceable printhead. The printhead is slidably removable, in a second direction, from the supply module, the first and second directions being non-parallel.

Liquid jetting device, liquid jetting head cleaning device, and liquid jetting head cleaning method
11247474 · 2022-02-15 · ·

Provided are a liquid jetting device, a liquid jetting head cleaning device, and a liquid jetting head cleaning method, in which a nozzle surface is cleaned without a liquid infiltrating into a gap of a liquid jetting head having a gap between head modules adjacent to each other. After performing pressurization purging for pressurizing an inside of a liquid jetting head (32) that is the liquid jetting head (32), which jets a liquid from a nozzle (202) disposed on a nozzle surface (33), is formed by a plurality of head modules (200), and has a gap (G) between the head modules adjacent to each other, to discharge the liquid from the nozzle (202), a long wiping web (104) in a dry state abuts against the nozzle surface (33) of the liquid jetting head (32) at a pressing force of 0 kPa or more and 15 kPa or less, and the wiping web (104) is transported with respect to the liquid jetting head (32) in a web transporting direction to wipe the nozzle surface (33).

CLEANING SOLUTION, SET OF INK AND CLEANING SOLUTION, CLEANING METHOD, CLEANING APPARATUS, PRINTING METHOD, AND PRINTING APPARATUS
20170267879 · 2017-09-21 ·

Provided is cleaning solution used for cleaning ink containing water and resin, cleaning solution containing water and solvent. Solvent contains glycol ether compound represented by general formula 1. Ink film obtained by drying the ink has swelling ratio of 20 percent or higher but 150 percent or lower, where swelling ratio is calculated by mathematical formula 1 based on masses of ink film before/after immersed in cleaning solution at 25 degrees C. for 24 hours,


R.sup.1(OR.sup.2).sub.XOR.sup.3  General formula 1

In general formula 1, R.sup.1 and R.sup.3 represent hydrogen atom or alkyl group including from 1 through 4 carbon atoms, R.sup.2 represents alkyl group including from 2 through 3 carbon atoms, and X represents integer of from 1 through 4,


Swelling ratio (%)=100×[(B−A)/A]  Mathematical formula 1

In mathematical formula 1, A represents mass of ink film before immersed, and B represents mass of ink film after immersed.

LIQUID EJECTING APPARATUS
20170259574 · 2017-09-14 ·

A liquid ejecting apparatus includes a liquid ejecting unit having nozzles able to eject a liquid to a medium, a wiping unit able to wipe the liquid ejecting unit, a waste liquid receiving unit which receives a waste liquid which is discharged by a maintenance operation for maintaining the liquid ejecting unit, at a position facing the liquid ejecting unit, and a collection unit which comes in contact with the waste liquid receiving unit to collect the waste liquid which is received by the waste receiving unit, in which the wiping unit comes in contact with the collection unit to wipe the waste liquid which is collected by the collection unit.

Print Head Maintenance Cartridge

Disclosed herein is a print head maintenance cartridge, a printing device and a method of controlling a wiping subsystem of a print head maintenance cartridge. The print head maintenance cartridge comprises a wiping subsystem with a wiping material to wipe a print head; a clean material roll, wherein a clean part of the wiping material is rolled up on the clean material roll at least in part; a brake to generate a first brake force applied to the wiping material; and a friction element to generate a second brake force applied to the wiping material, wherein the friction element compensates at least in part a change in the first brake force to control a total brake force, wherein the total brake force is the sum of the first and second brake forces.

Printers and associated printer maintenance

Printers and associated printer maintenance methods and apparatus are disclosed. An example printer includes a nozzle to dispense fluid; a wiper to wipe the nozzle during a maintenance event; and a controller to cause the nozzle to dispense fluid during the maintenance event while the wiping material engages or is immediately adjacent the nozzle to deter a substance from being present within the nozzle.

INKJET RECORDING APPARATUS
20210379896 · 2021-12-09 ·

An inkjet recording apparatus includes an inkjet head that ejects ink from a nozzle; and a cloth wipe unit that includes a woven cloth that wipes a nozzle surface in which an ejecting opening of the nozzle of the inkjet head is open. The ink attached to the nozzle surface is wiped by a relative sliding movement between the woven cloth and the nozzle surface. A mountain portion formed on a surface by a thread passing above a crossed thread of the woven cloth rubs against all of the ejecting openings during the sliding.

Wiping device, head maintenance device, and liquid discharge apparatus
11370221 · 2022-06-28 · ·

A wiping device includes a roll unit, a moving member, processing circuitry, and a groove. The roll unit includes a band-shaped member, a first axial member, and a second axial member. The band-shaped member is wound around the first axial member to form a feed-side roll, and is wound around the second axial member to form a winding-side roll. The first axial member is movable relative to the second axial member. The moving member slides the roll unit. The processing circuitry controls sliding of the roll unit. The groove supports the first axial member at a position substantially horizontally opposed to the second axial member when a diameter of the feed-side roll is equal to or larger than a size, and guides the first axial member so that the first axial member moves upward and farther away from the second axial member as the diameter of the feed-side roll decreases.

LIQUID EJECTING APPARATUS AND CLEANING DEVICE
20230271420 · 2023-08-31 ·

A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a first wiping portion which is able to wipe away the liquid that is adhered to the nozzle surface, and a second wiping portion which is able to hold the liquid that is adhered to the nozzle surface by contacting the nozzle surface, wherein it is possible to perform a first maintenance operation in which the nozzle surface is wiped using the first wiping portion and a second maintenance operation in which the second wiping portion is caused to contact the nozzle surface due to the second wiping portion being biased by the first wiping portion.