Seiko Epson Corporation

Toshiro Murayama

Takahiro Katakura

Nobuaki Ito

Atsushi Toyofuku

Shunya Fukuda

Yuma Fukuzawa

Kazuaki Uchida

Akira Miyagishi

Shunsuke Watanabe

Noriaki Okazawa

Yukihiro Hanaoka

Shohei Mizuta

Atsushi Oshima

Hiroshi Koeda

Shotaro Tamai

Takao Yamamoto

Akinori Taniuchi

Daiki Tatsuta

Shinichi Yamada

Madoka Ito

Provided is an ink jet system configured to communicate with a server, the ink jet system including: a first head unit that ejects a first type of ink onto a recording medium; a second head unit that ejects a second type of ink onto the recording medium; an acquisition section that acquires one or both of first information regarding the first head unit and the second head unit, and second information regarding the first type of ink and the second type of ink; a transmitter that transmits one or both of the first information and the second information to the server; and a receiver that receives, from the server, reference color information for forming a reference color on the recording medium, which is generated based on one or both of the first information and the second information.

Ink jet system

An information processing apparatus used to determine a waveform of a drive pulse applied to a drive element provided in a liquid discharge head for discharging a liquid includes a first reception unit that receives an input of first information for determining a first waveform as the waveform of the drive pulse, a second reception unit that receives an input of second information for determining a second waveform different from the first waveform, as the waveform of the drive pulse, and a third reception unit that receives an input of third information regarding whether or not to adjust at least a portion of the second waveform to be identical to an element of the first waveform, the third information being used when the second waveform is determined.

Information processing apparatus

An ejection state determination method for determining an ejection state of a liquid ejecting head in which a plurality of nozzles for ejecting a liquid in a first direction are arranged in a second direction intersecting the first direction. The ejection state determination method includes a first obtaining step of obtaining a plurality of pieces of multi-valued data of an image including a plurality of pixels by capturing, at one timing, an image of a droplet ejected from one nozzle selected from the plurality of nozzles, and a second obtaining step of obtaining determination information from the plurality of pieces of multi-valued data.

Ejection state determination method, ejection state determination apparatus, and non-transitory computer-readable storage medium storing ejection state determination program

A method of determining an ejection state of a liquid ejecting head having a plurality of nozzles that are arrayed in a second direction intersecting a first direction and from which liquid is ejected in the first direction includes: an acquiring step of acquiring a plurality of positional information items by capturing, at a plurality of timings, images of droplets ejected from the plurality of nozzles; and a determining step of determining the ejection state based on the plurality of positional information items.

Method of determining ejection state

A liquid ejecting system includes a head unit that ejects liquid, a first output portion that outputs unique information unique to the head unit to an external server, a first input portion to which update information about the head unit is input from the external server in association with the unique information, and a notification portion that notifies a user based on the update information.

Liquid ejecting system

An information processing apparatus used to determine a waveform of a drive pulse applied to a drive element provided in a liquid discharge head for discharging a liquid includes a first reception unit that receives an input of first information regarding a first setting item for determining the waveform of the drive pulse, a second reception unit that receives an input of second information regarding a second setting item different from the first setting item for determining the waveform of the drive pulse, and a third reception unit that collectively receives the inputs of the first information and the second information from information stored in advance.

A liquid ejecting head includes a first driving element, a first pressure chamber, and a first nozzle that is formed in a nozzle substrate, in which the first nozzle includes a first upstream nozzle portion including a first supply opening opened in a second surface of the nozzle substrate and a first bottom surface and a first downstream nozzle portion including a first ejection opening opened in a first surface of the nozzle substrate and a first coupling section opened in the first bottom surface, when viewed in a thickness direction of the nozzle substrate, a sectional area of the first upstream nozzle portion is larger than a sectional area of the first downstream nozzle portion, and a center of gravity of the first coupling section is positioned between a center of gravity of the first ejection opening and a center of gravity of the first bottom surface.

Liquid ejecting head, liquid ejecting apparatus, and nozzle substrate

A determination method of determining a supply signal to be supplied to a first electrode and a second electrode includes an acquisition step of acquiring, when a predetermined condition is satisfied, first information regarding a liquid ejection characteristic when a first constant potential signal of a first potential is supplied to the second electrode, and second information regarding a liquid ejection characteristic when a second constant potential signal of a second potential different from the first potential is supplied to the second electrode, and a determination step of determining, based on the first information and the second information, the supply signal to be supplied to the first electrode and the second electrode after the predetermined condition is satisfied.

Determination method and liquid ejecting apparatus

A drive waveform determination method for determining a drive waveform being a waveform of a drive pulse to be applied to a drive element to discharge liquid from a liquid discharge head, the method including: a first step of notifying a user of first information for the user to determine whether to use a first determination method of determining the drive waveform based on a user operation or a second determination method of determining the drive waveform without any user operation; and a second step of determining the drive waveform in accordance with the first determination method or the second determination method determined by the user based on an instruction on the first information.

Drive waveform determination method, non-transitory computer-readable storage medium storing a drive waveform determination program, liquid discharge apparatus, and drive waveform determination system

An ink jet system includes a recording apparatus with a head unit that ejects ink, a processing apparatus that performs data processing for causing the recording apparatus to perform a recording operation, and a server connectable to either the recording apparatus or the processing apparatus. A first storage unit is disposed in either the recording apparatus or the processing apparatus. A second storage unit is disposed in the server. An acquiring section acquires first data during the recording operation, an accepting section accepts first selection information indicating a result of having a user select any one or more of the first storage unit and the second storage unit to store the first data, and a storing section that stores the first data to the selected one or more of the first storage unit and the second storage unit based on the first selection information.

An information processing apparatus is used to determine a waveform of a drive pulse applied to a drive element provided in a liquid discharge head for discharging a liquid, by using results obtained by evaluating a first discharge characteristic and a second discharge characteristic of the liquid discharge head. The information processing apparatus includes a first reception unit that receives an input of first information for designating a voltage based on the evaluation result of the first discharge characteristic as a voltage of the drive pulse used to evaluate the second discharge characteristic, and a second reception unit that receives an input of second information for designating a voltage freely designated by a user, as the voltage of the drive pulse used to evaluate the second discharge characteristic.

A drive waveform determination method includes: a first acquisition step of executing first acquisition processing for acquiring, in a first environment condition which is a condition of an environment in which a liquid ejection head is provided, first information on an ejection characteristic of a liquid when each of a plurality of drive waveform candidates is applied to a drive element; a second acquisition step of executing second acquisition processing for acquiring, in a second environment condition which is a condition of the environment in which the liquid ejection head is provided and is different from the first environment condition, second information on the ejection characteristic when each of the plurality of drive waveform candidates is applied to the drive element; and a waveform determination step of determining a drive waveform based on the first information and the second information.

Drive waveform determination method, liquid ejection apparatus, and non-transitory computer-readable storage medium storing program

The drive waveform determination method includes a first step of setting a condition of the first discharge characteristic, a second step of acquiring the first discharge characteristic and the second discharge characteristic that are measured when a candidate waveform is used as a waveform of the drive pulse, a third step of determining whether the first discharge characteristic meets the condition, and a fourth step of, when it is determined in the third step that the condition is met, evaluating a candidate waveform by performing a superior comparison using the second discharge characteristic. The waveform of the drive pulse is determined by an optimization process in which at least the second step, the third step, and the fourth step are repeated.

Drive waveform determination method, storage medium, liquid discharge apparatus, and drive waveform determination system

A driving waveform determining method with which a waveform of a driving pulse applied to a driving element provided in a liquid ejecting head that ejects a liquid is determined includes: a first step of determining a waveform candidate of the driving pulse; a second step of notifying a user of candidate information of the waveform candidate; a third step of receiving an instruction issued by the user in accordance with the candidate information; and a fourth step of determining the waveform of the driving pulse in accordance with the instruction.

Driving waveform determining method, non-transitory computer-readable storage medium storing driving waveform determining program, liquid ejecting apparatus, and driving waveform determining system

A waveform determination method is disclosed that includes acquiring second timing information regarding a timing at which the flight distance of the droplet reaches the first distance when each of the plurality of waveform candidates indicated by the second waveform information is used, and a determination step of determining a waveform of each of the first drive pulse and the second drive pulse based on the first timing information and the second timing information.

Drive waveform determination method, non-transitory computer-readable storage medium storing drive waveform determination program, and drive waveform determination system

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Fujimi-machi, Japan

Toshiro Murayama