Canon Kabushiki Kaisha

Hitachi, Ltd.

Japan Synthetic Rubber Co., Ltd.

Canon Denshi Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Fuji Xerox Co., Ltd.

Hitachi Medical Corporation

Denki Kagaku Kogyo Kabushiki Kaisha

Yokohama National University

Kazuo Suzuki

Masataka Kato

Toshimitsu Danzuka

Shin Genta

Masaya Uetsuki

Kazuhiko Sato

Tomoki Yamamuro

Tsuyoshi Ibe

Mitsutoshi Nagamura

Asako Tomida

Taku Yokozawa

Daigoro Kanematsu

Hiroaki Komatsu

Hiroshi Taira

Hiroto Kango

Rie Takekoshi

Kazuki Narumi

Sae Mogi

Tomomi Furuichi

Yoshinori Nakagawa

Naoko Baba

Yosuke Ishii

Takao Ogata

Yuhei Oikawa

Satoshi Azuma

Nobuhiko Zaima

Shingo Nishioka

Hiroshi Kawafuji

Yoshinori Nakajima

Yasunori Fujimoto

Takeshi Murase

Masaki Nitta

Akiko Aichi

Akihiro Tomida

Yoshito Mizoguchi

Kenichi Nakagawa

Hiroaki Shirakawa

Noboru Kunimine

Satoshi Hayashi

Takao Honda

Keita Ishimi

Yutaka Kawamata

Jumpei Jogo

Atsushi Arai

Yuichi Ikeda

Nobuatsu Sasanuma

Tomohisa Itagaki

Takahiro Kubo

Takeshi Menjo

Tatsuaki Orihara

Nobuaki Hara

Hiroyuki Kataoka

Shuichi Matsumoto

Takayuki Wakabayashi

Masayuki Uchiyama

Munetoshi Yoshikawa

Takashi Hasegawa

Akira Kato

Hideo Tamura

Makoto Kanbayashi

Kenji Matsumoto

Eiji Matsuzaki

Fusaji Shoji

Koichi Okuda

Nobuyuki Ushifusa

Naoaki Wada

Akira Hayakawa

Masahito Omata

Takeshi Saito

Yoichi Kimura

Yoshio Arai

Yasumasa Otsuka

Satoshi Tamura

Koei Komatsu

Teizo Kotani

Seiichi Tsuchida

Katsutoshi Igarashi

Toshiaki Aritomi

Haruki Kurihara

Tetsuo Kishida

Shiyuki Sakaue

Teruo Takai

Ryuichi Nakamura

Tuyosi Shudo

Seiji Fukuhara

Makoto Arai

Kyoko Amemiya

Seinosuke Yahiro

Hisakazu Ohkubo

Seiji Saita

Shigeo Kawasaki

Sae Tabuchi

Tsuyoshi Yokota

Syouji Kondou

Nobuaki Itakura

Koki Kora

A printing apparatus including a print head ejecting ink, flowing from a first channel into a pressure chamber, from a nozzle, by driving an ejection energy generating element in the pressure chamber, a circulation pump circulates the ink in a circulation channel including the first channel, the pressure chamber, and a second channel that flows the ink from inside the pressure chamber to the outside, a wiping unit with a cleaning member that wipes an ejection port surface of an ejection port and a winding member that winds the cleaning member, and a control unit controls a cleaning operation in which the wiping unit wipes the ejection port surface. When the cleaning operation is performed after the circulation pump is stopped, the cleaning operation is changed based on an elapsed time from the time the circulation pump stopped driving, and the cleaning operation is controlled based on the elapsed time.

Printing apparatus and a method of controlling a printing apparatus including a control unit controlling a cleaning operation of a wiping unit wiping an ejection port surface

A recording apparatus includes a recording unit, a scanning unit configured to perform relative scanning by moving the recording unit and a recording medium relative to each other at least once with respect to a unit region on the recording medium, a recovery unit configured to perform a recovery operation for maintaining or recovering a recording performance of the recording unit for application of a recording material, and a control unit configured to control the recovery unit, wherein the control unit acquires recording mode information about recording of an image to be performed on a recording medium for (n+1)-th page (n being a natural number) and determines, based on the acquired recording mode information, whether to perform an inter-page recovery operation at timing after recording of an image on a recording medium for n-th page ends and before recording of an image on a recording medium for (n+1)-th page starts.

Recording apparatus, control method, and storage medium

An object is to provide a technique of calculating an ejection amount of an ink in accordance with a printing head. A printing apparatus includes: a printing head including an ejection port array in which multiple ejection ports to eject an ink are arrayed; a conveyer unit configured to convey a printing medium in a conveyance direction; and a controller unit configured to control the printing head. The controller unit executes processing to obtain the printing dot number based on printing data and processing to calculate an amount of the ink used in a case of performing printing based on the printing data by using different calculation methods between a case where a first printing mode is set and a case where a second printing mode is set based on the printing dot number and an ejection amount conversion factor corresponding to a temperature of the printing head.

Printing apparatus and method of controlling printing apparatus

A recording apparatus includes recording elements to eject ink, heating elements to heat the ink, and a common wiring through which the recording elements and the heating elements are applied with a voltage. The recording apparatus determines a drive pulse applied to the recording elements based on the number of recording elements to be simultaneously driven and the number of heating elements to be simultaneously driven.

Recording apparatus and control method

An embodiment of the present invention provides an ink jet printing apparatus including: a print head including a printing element array provided with printing elements each configured to generate thermal energy required to eject an ink, a supply flow channel provided along the printing element array and configured to supply the ink to the respective printing elements, an opening provided to the supply flow channel and configured to cause the ink to flow in, and heating units provided along the supply flow channel and configured to heat the ink inside the supply flow channel; and a heating control unit configured to carry out heating control of the heating units based on a heating pattern determined based on heating intensity distribution, the heating intensity distribution representing heating intensities corresponding to the respective heating units and representing the heating intensities corresponding to positions in a direction of the printing element array.

Ink jet printing apparatus, control method, and storage medium

An inkjet printing apparatus adopting short pulse heating is designed to output a uniform image without unevenness. To this end, in a serial inkjet printing apparatus, a print head is subjected to a short pulse heating treatment before each print scan is carried out. In a case where a print medium is a first print medium, the print head is heated to a first target temperature before carrying out each of the print scans. In a case where the print medium is a second print medium, the print head is heated to a second target temperature lower than the first target temperature before carrying out each of the print scans.

Inkjet printing apparatus and inkjet printing method

An object is to provide a full-line inkjet printing apparatus and a printing method that can suppress occurrence of image degradation in the case where a conveyance roller conveys a print medium and multipass printing is performed. The maximum conveyance amount in a return route is set to be smaller than a distance between the conveyance roller and a print head.

Inkjet printing apparatus and printing method with conveying print medium in first direction and second direction and with control of nip of conveyance rollers

The object of the present disclosure is to optimize the time necessary for filling and the ink consumption. One embodiment of the present disclosure is a printing apparatus having: a storage unit; a print head having an ejection port from which ink supplied from the storage unit is ejected; an ink supply path that connects the storage unit and the print head; a suction unit configured to perform suction at the ejection port; and a supply control unit configured to supply ink stored in the storage unit to the ink supply path and the print head by performing suction at the ejection port by the suction unit, and the printing apparatus has an acquisition unit configured to acquire information relating to ink discharge from the ink supply path and the supply control unit determines the number of times of suction by the suction unit based on the information.

Printing apparatus, control method thereof and storage medium

An ejection apparatus includes a platen for supporting a recording medium, an absorber provided in the platen for absorbing liquid, an ejection unit for ejecting a plurality of types of ink including a first liquid containing a component to be deposited when the first liquid is ejected onto the absorber, and a second liquid different from the first liquid for suppressing deposition of the first liquid, a detection unit for detecting a state of a predetermined region of the absorber, and a control unit for controlling the detection unit to detect the state, and controlling the ejection unit to eject the second liquid to the predetermined region based on a result of the detection. When the first liquid is ejected to the predetermined region, the second liquid is ejected to the predetermined region after the ejection of the first liquid is finished, without using the result of the detection.

Ejection apparatus and deposition suppression method

Provided is an inkjet printing apparatus that can reduce smears on a back surface of a print result medium by reducing accumulation of ink in a platen while reducing generation of mist. To achieve this, an ink receiving portion of a platen is provided away from a support surface by a predetermined distance, is formed in a mesh shape by laying multiple linear members, and is formed as a guide member that guides the ink received in the ink receiving portion to an ink guide holes.

Inkjet printing apparatus

A printing apparatus includes an ink tank that stores ink, a supply tube that supplies the ink from the ink tank, and a printing head that includes therein a pressure chamber arranged with an ejection port to eject the ink and performs reciprocal moving. The printing head includes a first liquid chamber that includes a connection portion with the supply channel, a second liquid chamber that communicates with the first liquid chamber by way of the pressure chamber, and a volume variable unit that changes an inner volume of the second liquid chamber.

Printing apparatus

A recording apparatus discharges an ink in a first color to a position at which an accumulated state on an ink absorber is to be detected. After that, a light is emitted onto the position from a light emitting unit, and reflected light is received by a light receiving unit.

Recording apparatus and method in recording apparatus

According to an embodiment of this invention, an apparatus comprises: a detachable inktank containing ink; a subtank containing the ink supplied from the inktank; a printhead configured to discharge the ink supplied from the subtank; an ink supply path connecting the subtank to the printhead; a valve arranged on the ink supply path; a supply unit configured to supply the ink from the inktank to the subtank by repeatedly opening and closing the valve; a suction unit configured to suck the ink from the printhead; and a control unit configured to control, when the inktank is attached, the supply unit to operate for a predetermined number of times to supply the ink from the inktank to the subtank, and to subsequently control the suction unit to operate to supply the ink from the subtank to the printhead.

Inkjet printing apparatus and ink filling method

Growing community of inventors

Yokohama, Japan

Kazuo Suzuki