Canon Kabushiki Kaisha

Chisso Corporation

Masaya Uetsuki

Masataka Kato

Toshimitsu Danzuka

Tsuyoshi Ibe

Hitoshi Sugimoto

Kazuo Suzuki

Hiromitsu Hirabayashi

Noribumi Koitabashi

Asako Tomida

Fumihiro Gotoh

Shigeyasu Nagoshi

Toshiharu Inui

Shin Genta

Hiroaki Komatsu

Yuji Akiyama

Masami Ikeda

Tsutomu Abe

Eiichiro Shimizu

Masahiko Higuma

Shinichi Sato

Sadayuki Sugama

Miyuki Matsubara

Naohito Asai

Hiroshi Tajika

Takahiro Mori

Hideo Fukazawa

Tomoki Yamamuro

Yoshinori Nakagawa

Masao Kato

Hiroki Hayashi

Jiro Moriyama

Hiroyuki Inoue

Minako Kato

Hirofumi Hirano

Miyuki Fujita

Hideaki Okamoto

Tetsuji Kurata

Hiroshi Netsu

Noriyasu Asaki

Yohji Ara

Hidehiko Kanda

Shuichi Murakami

Yutaka Kurabayashi

Yoshinori Nakajima

Kiichiro Takahashi

Toshio Kashino

Taku Yokozawa

Osamu Iwasaki

Atsushi Arai

Rie Takekoshi

Yoshie Asakawa

Takumi Kaneko

Tatsuaki Orihara

Kouhei Tokuda

Keita Ishimi

Yoshiyuki Touge

Akitoshi Yamada

Hajime Yamamoto

Kentaro Yano

Shigeru Watanabe

Daigoro Kanematsu

Fumihiro Goto

Hiroshi Sato

Nobuyuki Matsumoto

Hiroki Tajima

Hiroshi Koshikawa

Makoto Torigoe

Tatsuo Nanjo

Mikio Sanada

Hiromasa Amma

Takeshi Okazaki

Takuya Iwano

Nobuyuki Hatasa

Genji Inada

Mikiya Umeyama

Keiichi Murai

Hiroaki Shirakawa

Takayuki Ushiyama

Tatsuo Shimmoto

Tetsuhiro Nitta

Yoshihisa Takizawa

Hiroshi Yoshino

Shinya Matsui

Yasuyuki Takanaka

Mayumi Yamamoto

Toshiro Sugiyama

Kazutsune Kikuta

Takeshi Kono

Shiro Konotsune

Naoshi Inoue

Eiichi Adachi

Eriko Saito

Tetsuro Inoue

Hiroaki Hase

Tsuyoshi Mikoshiba

Tetsurou Inoue

Syuu Utzui

Takeshi Kouda

A printing apparatus applies liquids so that a reaction liquid and a clear emulsion liquid are mainly applied in a first scanning stage; a coloring material liquid is mainly applied in an intermediate scanning stage; and the clear emulsion liquid is mainly applied in a last scanning stage.

Printing apparatus and printing method

A printing apparatus is operable to eject a plurality of inks having different functions onto any one of a plurality of types of printing medium. The plurality of inks include a first ink containing a coloring material, and a second ink containing a polymer emulsion and substantially no coloring material. The plurality of types of printing medium includes a first printing medium and a second printing medium less permeable to liquid than the first printing medium. When the first printing medium is printed, the first ink is used without using the second ink, and when the second printing medium is printed, both the first and the second ink are used.

A printing apparatus includes a printing head configured to eject a first ink and a second ink, wherein the second ink generates less deposition than the first ink, an ink absorber configured to absorb the ink ejected from the printing head, a detection unit configured to detect a state of the ink absorber through an optical method, and a control unit configured to cause the printing head to eject the second ink to the ink absorber based on a detection result of the detection unit.

Inkjet printing apparatus

Provided is an inkjet printing apparatus capable of performing preliminary discharge without the influence of mist while suppressing degradation in throughput regardless of a preliminary discharge time. Specifically, an inkjet printing apparatus that performs a wiping operation on a nozzle arrangement surface provided with nozzles discharging an ink in a print head includes a wiping determination unit that determines whether to perform the wiping operation before preliminary discharge based on the amount of the preliminary discharge to be performed.

Inkjet printing apparatus and preliminary discharging method

An inkjet printing apparatus includes a head, a platen, a platen absorbent that temporarily stores ink ejected from the head, a waste ink storage container that stores the ink discharged from the platen absorbent, and an estimation unit that, in a case where the platen is divided into a plurality of regions in a direction intersecting a conveyance direction of the printing medium, estimates an amount of ink stored in the waste ink storage container based on a position of a region to which the ink is ejected by the head and an amount of ink ejected to the region.

Provided are a liquid ejection head, a liquid ejection apparatus and a manufacturing method for the liquid ejection head which make it possible to achieve both of high-speed printing and a reduction in number of recovering operations. A liquid chamber which is formed in a part of a flow passage that guides liquid to an ejection element substrate includes plural supply paths which are able to supply the liquid by capillarity, are connected together and are different from one another in width.

Liquid ejection head, liquid ejection apparatus and manufacturing method for liquid ejection head

A recording device including a recording head, a tank, a valve capable of being switched between an open state where ink is supplied from the tank to the recording head and a closed state where the ink is not supplied, a cap covering a discharge port surface, a pump configured to make a pressure of an inside of the cap negative, an acquiring unit configured to acquire information on an atmospheric pressure of an environment where the recording device is placed, and a control unit configured to perform a suction operation of sucking the ink from the discharge port surface by driving the pump when the valve is in the closed state, making the pressure of the inside of the cap negative, and then switching the valve to the open state and to control the suction operation based on the acquired information.

Recording device

An inkjet printing apparatus includes a printhead, a subtank for storing ink to be supplied to the printhead, a maintank for storing ink to be supplied to the subtank, a valve that can be switched between an open state in which the printhead communicates with the subtank and a closed state in which the printhead does not communicate with the subtank, a cap for covering an discharging port surface of the printhead, a pump for generating a negative pressure in an inside of the cap with the cap covering the discharging port surface, and an internal pressure changing member for changing an internal pressure of the subtank to perform a subtank filling operation in which ink is supplied from maintank to the subtank.

Inkjet printing apparatus and control method with coordinated filling operations

An inkjet recording apparatus includes a first ink tank that contains ink, a second ink tank that contains ink supplied from the first ink tank, a communication unit, having conductivity, communicates between the first ink tank and the second ink tank, an opening provided at one end of the communication unit connected to the second ink tank and opening to the second ink tank, an electrode portion provided in the second ink tank, of which a lower end position is located at or above a lower end position of the one end of the communication unit and at or below a highest position of the opening, and a detecting unit that detects an ink amount in the second ink tank in accordance with electrical properties between the electrode portion and the communication unit.

Inkjet recording apparatus

A printing apparatus performs a printing operation where mist that is generated in inkjet printing is efficiently collected. Specifically, a fan is rotated during a mist collection operation at a maintenance operation with a rotating speed that is greater than the rotating speed of the fan during printing.

Printing apparatus and mist collection method

An ink jet recording apparatus includes a recording head ejecting ink; a buffer tank temporarily storing the ink; a mounting unit to which a main tank that stores the ink is capable of being mounted, the main tank having a first supply port from which the ink is supplied to the recording head and a second supply port from which the ink is supplied to the buffer tank; a first detecting unit detecting an ink volume in the main tank; and a control unit performing a discharge operation to discharge the ink in the buffer tank from the recording head via the main tank in a pre-transportation process in the ink jet recording apparatus. The control unit prompts a user to replace the main tank without performing the discharge operation if the ink volume detected by the first detecting unit is smaller than a threshold value.

Ink jet recording apparatus and pre-transportation processing method for the apparatus

A printer according to this invention includes a print head, a carriage, a recovery unit, and a controller. The controller causes a recovery operation to be performed based on a total value of two values. Assuming that front and rear arrays of discharge port arrays during outbound movement of the carriage are defined as first and second arrays, respectively, the first value is obtained by multiplying a sum of an amount of ink discharged from the first array during outbound movement of the carriage and an amount of ink discharged from the second array during homebound movement of the carriage by a first coefficient, and the second value is obtained by multiplying a sum of an amount of ink discharged from the second array during outbound movement of the carriage and an amount of ink discharged from the first array during homebound movement of the carriage by a second coefficient.

A recording apparatus includes a recording head, a sub tank, an ink tank containing ink supplied to the sub tank, a detector that detects an amount of ink contained in the sub tank, a variable volume member provided between the recording head and the sub tank and having variable inner volume, and a controller that repeatedly performs first and second operations, thereby supplying ink from the ink tank to the sub tank. In the first operation, the member is caused to switch from a first state to a second state, while in the second operation, the member is caused to switch from the second state to the first state.

Ink-jet recording apparatus

An ink jet recording apparatus is capable of suppressing an increase of waste ink while solving an increase in density of ink within a supply tube. An ink jet recording apparatus according to the present invention includes a recording head configured to discharge ink, a tank configured to store ink, a supply tube configured to supply ink to the recording head from the tank, a discharge unit configured to execute a discharge operation for discharging ink within the supply tuber a control unit configured to make the discharge unit execute a discharge operation when an elapsed time from a previous discharge operation is greater than a predetermined time, and a changing unit configured to change at least any one of the elapsed time or the predetermined time based on an ink consumption amount consumed through the recording head after the previous discharge operation.

Ink jet recording apparatus

Growing community of inventors

Yokohama, Japan

Masaya Uetsuki