Seiko Epson Corporation

Other

Yasuaki Hirai

Ryo Oguchi

Shunichi Hizawa

Masato Haga

Yasuo Sunaga

Tadahiro Mizutani

Shuichi Koganehira

Kenji Tsukada

Shigenori Fukasawa

Takashi Akase

Atsushi Takei

Naoshi Furuta

Mitsuhiro Koseki

Hiromi Nishimura

Tokio Kato

Satoshi Jobetto

Masayuki Ishida

Kazumitsu Bunazawa

Tetsuya Kobayashi

Tatsuo Asada

Fumika Matsuzaki

Noriyuki Nukaga

Ayana Kodama

Yoko Chino

A liquid ejection device includes a liquid ejection unit configured to perform printing by ejecting a liquid from a nozzle onto a medium, a maintenance unit configured to perform maintenance of the liquid ejection unit, a determination unit configured to determine whether printing data for the printing is ruled-line data including a vertical ruled line or non-ruled-line data not including the vertical ruled line, a storage unit configured to store a determination result obtained by the determination unit, and a control unit. The control unit changes intensity of the maintenance in accordance with a frequency of the ruled-line data included in the determination result stored in the storage unit.

Liquid ejection device and control method for liquid ejection device

A liquid ejecting device includes a liquid ejecting portion configured to eject liquid from a nozzle, a closed space forming portion having a porous member inside thereof, and configured to form a closed space in which the nozzle opens, an discharging portion configured to discharge the liquid in the closed space forming portion, and a control portion configured to, when an amount of the liquid ejected from the liquid ejecting portion into the closed space forming portion reaches a prescribed value, cause the discharging portion to discharge the liquid in the closed space forming portion, wherein the control unit decreases the prescribed value as the number of stops increases, the number of stops being the number of times the liquid ejecting portion is stopped for a prescribed time or longer at a position other than a closed position where the closed space is formed.

Liquid ejecting device

A liquid ejecting device includes a liquid ejecting head configured to eject a liquid to a medium to perform printing, and a control unit configured to control the liquid ejecting head and include a storage unit. The storage unit is configured to be able to store a plurality of ranges of the liquid consumption amount, and the number of printed sheets on which, in a predetermined period, printing is performed in each of the plurality of ranges of the liquid consumption amount. When the plurality of ranges of the liquid consumption amount are changed within the predetermined period, the control unit performs invalidation processing on the number of printed sheets stored in the storage unit.

Liquid ejecting device and method of controlling liquid ejecting device

A liquid discharge device includes a discharge unit configured to discharge liquid, a maintenance unit configured to cause the discharge unit to eject liquid to perform maintenance of the discharge unit, and a control unit configured to cause the maintenance unit to perform the maintenance periodically, wherein when performing the maintenance, the control unit performs first maintenance in a case in which a consumption amount of the liquid consumed after the maintenance previously performed is greater than or equal to a first threshold value, and performs second maintenance stronger than the first maintenance in a case in which the consumption amount is less than the first threshold value.

Liquid discharge device and maintenance method of liquid discharge device

A liquid ejecting apparatus includes a liquid ejection head that ejects a liquid, a supply flow path that supplies the liquid from a liquid containing portion, which is replaceable and contains the liquid, to the liquid ejection head, a liquid feeding portion that is provided in the supply flow path and is configured to suck the liquid from the liquid containing portion and to feed the liquid to the liquid ejection head, and a control unit that controls driving of the liquid feeding portion. The control unit changes driving control of the liquid feeding portion in accordance with a remaining amount of the liquid in the liquid containing portion.

Liquid ejecting apparatus and method for controlling liquid ejecting apparatus

A billing method for a liquid jet device includes, counting a consumed amount of liquid by printing, counting the number of printed sheets, counting a consumed amount of liquid for maintenance of a jet head, calculating a maintenance consumption amount per unit number of sheets, from a maintenance consumption amount consumed in current maintenance, and the number of printed sheets for which printing is performed from previous maintenance to the current maintenance, setting, as a liquid consumption amount, a value obtained by adding the maintenance consumption amount per unit number of sheets, to a print consumption amount consumed in printing for the unit number of sheets, and billing for printing for the same number of sheets as the number of printed sheets performed after the current maintenance, in accordance with the liquid consumption amount.

Liquid jet device and billing method thereof

A liquid ejecting apparatus includes a printing portion and a control portion. The printing portion executes a printing operation including ejecting a liquid from a nozzle onto a medium. The control portion executes an initial operation upon supply of power and executes the printing operation in accordance with a print instruction. The initial operation and the printing operation include a common printing operation that is common to the initial operation and the printing operation. When the control portion does not receive the print instruction during execution of the initial operation, the control portion executes the initial operation including the common printing operation. When the control portion receives the print instruction during execution of the initial operation, the control portion omits the common printing operation from the initial operation.

Liquid ejecting apparatus and method for activating liquid ejecting apparatus

Printing is performed with a printing material accommodated in a printing material accommodation body. Accommodation body information on the printing material accommodation body is acquired. When the accommodation body information on the printing material accommodation body is first information, an operation of a first mode is performed. Meanwhile, when the accommodation body information on the printing material accommodation body is second information, in a case in which a permission condition is satisfied according to communication with a server apparatus, an operation of a second mode is performed.

Printing apparatus and printing system

A printing apparatus includes a setting section setting a reference value that satisfies an execution condition of a periodic maintenance; and a counting section counting a count value from a previous maintenance. A maintenance section performs the periodic maintenance when the count value of the counting section reaches the reference value. In a case where a user maintenance is performed by the maintenance section according to an instruction of a user, when the count value counted up to the user maintenance is a lower limit value or more, the setting section sets the reference value that is a value corresponding to the count value and is the lower limit value or more, while when the count value counted up to the user maintenance is less than the lower limit value, the setting section sets the lower limit value as the reference value.

A printer includes: a printing section configured to perform printing using a plurality of printing materials contained in corresponding printing material containers, a display section configured to display respective remaining amounts of the individual printing materials contained in the corresponding printing material containers; and a controller configured to control display on the display section, wherein the controller performs display control so as to match the display on the remaining amount of a second container other than the first container with the display on the remaining amount of a first container having a smallest remaining amount among the plurality of the printing material containers.

Printer

A printing apparatus includes a liquid accommodation body into which liquid contained in a liquid container is configured to be poured, a printing section that performs printing by discharge of liquid supplied from the liquid accommodation body, a counting section that performs counting relating to an amount of consumption of liquid with which a liquid container was contained and counting relating to an amount of consumption of liquid per predetermined period of time, and a delivery request section that, based on a counting result yielded by the counting section, sends the server apparatus a delivery request for a liquid container by a time that is earlier by a delivery period of a liquid container than an estimated timing of completion of consumption of liquid with which a liquid container was contained.

A liquid ejecting apparatus includes a liquid ejecting head that ejects a liquid accommodated in a liquid container, a detection unit that detects a remaining amount of the liquid accommodated in the liquid container, and a control unit that operates in a normal mode and a special mode. In the normal mode, the control unit prohibits ejection of the liquid from the liquid ejecting head when the detection unit has detected that the remaining amount of the liquid accommodated in the liquid container has become smaller than a predetermined threshold value. In the second mode, the control unit allows ejection of the liquid from the liquid ejecting head with an instruction from a user as a requirement when the detection unit has detected that the remaining amount of the liquid accommodated in the liquid container has become smaller than the predetermined threshold value.

Liquid ejecting apparatus

A recording apparatus includes a placement portion on which a medium is placed, a feeding portion that feeds the medium that is placed on the placement portion, a recording portion that has a liquid discharge portion that discharges liquid onto the medium that is fed by the feeding portion, a processing portion that executes pre-processing of the liquid discharge portion, and a control portion that performs control of the feeding portion and the processing portion or control of the feeding portion and the recording portion such that feeding of the medium and pre-processing are performed in parallel in a case where a recording start command is received in a state in which the processing portion faces the liquid discharge portion.

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Shiojiri, Japan

Yasuaki Hirai