B41J2202/20

Modular service station and a method of servicing an inkjet printhead of an inkjet printing system
11491792 · 2022-11-08 · ·

A modular service station for servicing at least one inkjet printhead of an inkjet printing system, the service station comprising: a frame with mounted thereon at least one capping element and at least one wiping element, a means for horizontal movement of the at least one inkjet printhead between a printing position and a servicing position, the means for horizontal movement configured to enable a wiping process, a means for vertical movement of the at least one inkjet printhead, the means for vertical movement configured to enable capping, unclogging or purging processes in respect to the at least one inkjet printhead, and a waste ink tank in hermetic communication with the at least one capping element. A method of servicing an inkjet printhead of an inkjet printing system is also disclosed.

Ink-jet coater and coating method
11491788 · 2022-11-08 · ·

An ink-jet coater and a coating method for improving smoothness of a mixed part where the coating position in the previous scan overlaps the coating position in the next scan includes a robot arm configured to move a nozzle head unit by driving arms via an arm driving mechanism and a coating control unit configured to control driving of the nozzle driving mechanism and driving of the arm driving mechanism to execute coating on the coating object. The coating control unit performs coating by forming, in segmented coating surfaces formed by each scanning of the nozzle head unit, a normal coating region coated with a target coating film thickness and an overlapping coating region coated with a spray amount of the paint less than the normal coating region.

Multi-chip module (MCM) assembly and a printing bar

A multi-chip module (MCM) assembly comprising: a graphite substrate comprising a plurality of silicon chips directly attached to the graphite substrate, and a Printed Wiring Board (PWB) attached to the graphite substrate by means of a solvent-resistant adhesive glue and provided with openings surrounding outer profiles of the silicon chips. A printing bar comprising a plurality of the MCM assemblies is also disclosed.

Recording head recovery system, ink-jet recording apparatus therewith, and recording head recovery method

A recording head recovery system includes a recording head, a cleaning liquid tank for storing cleaning liquid, a cleaning liquid supplying path which connects together the cleaning liquid tank and the recording head, a liquid supply mechanism which is provided in the cleaning liquid supplying path, and a controller. The controller performs recording head recovery operation including cleaning liquid supplying operation for supplying the cleaning liquid from liquid supplying openings of the recording head, wiping operation for wiping an ink ejection face of the recording head while a wiper retains the cleaning liquid, and backflow operation for controlling the liquid supply mechanism to make the cleaning liquid in the cleaning liquid supplying path to flow from the cleaning liquid supplying openings to the cleaning liquid tank.

Method of installing printhead in print module

A method of installing a printhead in a print module includes the steps of: positioning the printhead in a nest of the print module; moving first and second ink couplings towards the nest and into engagement with complementary first and second ink ports positioned at opposite ends of the printhead; and moving a depressor towards the nest and into urging engagement with a portion of the printhead positioned between the first and second ink ports. The first ink coupling, the second ink coupling and the depressor are moved simultaneously, linearly and parallel to each other, thereby to datum the printhead against the nest.

Printing apparatus, control method and storage medium

An object of the present disclosure is to reduce power consumption while preventing a reduction in productivity. One embodiment of the present invention is a printing apparatus including: a print head that ejects a liquid; a circulation unit configured to circulate the liquid in a circulation path including the print head; a control unit configured to controls the circulation unit to execute periodic circulation by causing the circulation unit to circulate the liquid in the circulation path periodically at predetermined interval; and an input unit configured to input information on a suspension period during which the control unit suspends execution of the periodic circulation, wherein the control unit is set to start suspending the execution of the periodic circulation in accordance with the information and is set to resume execution of the periodic circulation when the suspension period indicated by the information is elapsed.

HEAD DEVICE, INK JET PRINTING DEVICE, AND DRIVING VOLTAGE ADJUSTMENT METHOD
20230097719 · 2023-03-30 · ·

Provided are a head device, an ink jet printing device, and a driving voltage adjustment method capable of adjusting a driving voltage corresponding to a target jetting amount and suppressing unevenness of printing density occurring between head modules. A dead device includes an ink jet head including a plurality of head modules, and a driving voltage supply device that includes a processor and supplies a driving voltage to the ink jet head, in which the processor acquires a module characteristic, acquires an ink characteristic of ink applied to printing, derives a first voltage coefficient for adjusting a driving voltage corresponding to a target jetting amount for each head module based on the module characteristic and the ink characteristic, and adjusts the driving voltage by applying the first voltage coefficient for each head module.

Liquid supply device, liquid discharge device, and liquid discharge apparatus
11571898 · 2023-02-07 · ·

A liquid supply device includes a collection sub tank and a collection flow path. The collection sub tank collects liquid from a liquid discharge head. The collection flow path connects the liquid discharge head and the collection sub tank. The collection sub tank includes a first inflow port connected with the collection flow path and a first inner wall portion on an extension line extending from the first inflow port in a direction in which the liquid flows into the collection sub tank from the collection flow path. The first inner wall portion has one of an inclined surface inclined with respect to the extension line, an arc-shaped surface, and a curved surface.

LIQUID EJECTING APPARATUS
20230094884 · 2023-03-30 ·

A liquid ejecting apparatus includes a liquid ejecting head ejecting a liquid to a medium, a wiping mechanism wiping a liquid ejection surface of the liquid ejecting head and including a wiper portion that wipes the liquid ejection surface by moving in a direction along the liquid ejection surface, an electric portion including a substrate, the electronic portion being a part related to control of the apparatus, and a power supply portion as a power supply source, in which a moving direction of the wiper portion is a direction intersecting a surface of the substrate, and at least part of the electric portion and at least part of the power supply portion overlap part of the wiping mechanism in the moving direction of the wiper portion.

LIQUID DISCHARGE APPARATUS, DRIVE WAVEFORM GENERATOR, AND HEAD DRIVING METHOD
20230098478 · 2023-03-30 · ·

A liquid discharge apparatus includes: a liquid discharge head configured to discharge a liquid from a nozzle; a drive waveform generator configured to generate a drive waveform including multiple drive pulses to be applied to the liquid discharge head, the multiple drive pulses successively including: a first drive pulse configured to cause the liquid discharge head to discharge the liquid; a second drive pulse configured to cause the liquid discharge head not to discharged the liquid while causing meniscus of the liquid in the nozzle in the liquid discharge head to vibrate; and a third drive pulse configured to cause the liquid discharge head to discharge the liquid; in time series.