Canon Kabushiki Kaisha

Nifco Inc.

Haruyuki Yanagi

Hiroyuki Saito

Tetsuo Suzuki

Hiroyuki Kinoshita

Masahiro Taniguro

Soichi Hiramatsu

Takashi Nojima

Satoshi Saikawa

Hideaki Kawakami

Masaya Shinmachi

Tan At Ming

Makoto Kawarama

Koichi Tanno

Tetsuya Ishikawa

Katsumi Kurematsu

Nobuo Minoura

Kentaro Onuma

Hideaki Mitsutake

Junichi Asano

Yuji Nakano

Hiroyuki Inoue

Tetsuhiro Nitta

Hiroshi Yoshino

Kenji Kawazoe

Takeji Niikura

Kiichiro Takahashi

Minoru Teshigawara

Koichiro Kawaguchi

Yasuhiko Ikeda

Seiji Takahashi

Shigeyuki Sugiyama

Shinnosuke Taniishi

Tetsuya Saito

Masaaki Ishibashi

Shinya Sonoda

Hiroshi Ogushi

Kazuhiro Nakata

Atsushi Arai

Hiroyuki Tanaka

Tsutomu Kawai

Kenichi Nishimura

Shoji Kikuchi

Masaaki Kanashiki

Osamu Iwasaki

Naoji Otsuka

Kentaro Yano

Hitoshi Nishikori

Takao Nakamura

Hitoshi Nakamura

Akira Kida

Yasuyuki Asai

Hideki Yamaguchi

Katsuyuki Yokoi

Takehiko Kiyohara

Yuji Kanome

Makoto Kashimura

Akira Miyakawa

Seiji Ogasawara

Kenji Shigeno

Masakazu Tsukuda

Nozomu Nishiberi

Yasuo Miyauchi

Naofumi Sekine

Akira Okamoto

Hideo Sugimura

Nobutsune Kobayashi

Toshiya Matsumoto

Yasuhiro Unosawa

Michiharu Shoji

Jun Katayanagi

Yuichiro Suzuki

Sakiko Takizawa

Hiroyuki Kakishima

Kenji Yoshida

Isao Inoue

Daijirou Nagasaki

Kentaro Ohnuma

A recording apparatus for forming images using a recording head includes a feeding roller, a conveying roller, a conveyance control unit, and a recording control unit. The conveyance control unit performs a conveying operation a number of times after the trailing end of a sheet reaches a predetermined position defined between the feeding roller and the conveying roller such that the trailing end of the sheet is disposed in a predetermined range upstream of the conveying roller in a sheet conveying direction after the conveying operations. At least one of the conveying operations performed a number of times is performed based on a distance from the position of the trailing end of the sheet to the position of the conveying roller.

Apparatus and method for controlling recording and sheet conveying based on recording scans and sheet position

According to the present invention, to perform double-sided printing or marginless printing, overall image data consonant with an area that includes an area on a print medium and an overrun area are generated based on information concerning the size of the print medium and information concerning the overrun distances. To generate image data, the image data are prepared for both one side of the print medium and the other side of the print medium, so that, relative to the print medium, the position of the image data corresponding to one side matches the position, relative to the print medium, of the image data corresponding to the other side.

Print method and print apparatus

An apparatus includes a printing unit which is disposed in a housing and configured to form an image on a sheet, an lid attached to the housing by a hinge mechanism, and a camera which is attached to the lid and configured to read an image on a document while the lid is open, wherein the sheet having the image formed by the printing unit is discharged on the lid, and when the lid is opened, the camera can read the document which is placed at a reading position below the camera.

Image forming apparatus

An image forming apparatus includes a printing section, a flatbed scanner section configured to read an original on a reading surface, and a moving mechanism configured to change the angle of the reading surface relative to an installation plane on which the apparatus is installed. The scanner section is capable of performing reading in each of a first mode where the angle of the reading surface is a first angle (vertical) and a second mode where the angle of the reading surface is a second angle (horizontal) different from the first angle.

A display unit includes a slide mechanism slidable in a lateral or vertical direction to a housing. A maintenance opening formed in the housing can be covered and uncovered. When the opening is uncovered, a user can access at least apart of a print section in the housing from the opening and perform maintenance.

Printer

This invention relates to a printing apparatus and a conveyance control method capable of allowing even an arrangement having a plurality of conveyance rollers in a printing medium conveyance path to accurately control conveyance of a printing medium. According to this invention, a first encoder detects a conveyance amount by a first conveyance roller, provided in a conveyance path, for conveying a printing medium. A second encoder detects a conveyance amount by a second conveyance roller provided in the conveyance path in the conveyance direction of the printing medium at the downstream side of the first conveyance roller for conveying the printing medium. On the other hand, a signal output from the first or second encoder is selected on the basis of the position of the printing medium on the conveyance path. Conveyance of the printing medium is controlled on the basis of the selected output signal.

Printing apparatus and conveyance control method

This invention relates to a printing apparatus and a conveyance control method capable of allowing even an arrangement having a plurality of conveyance rollers in a printing medium conveyance path to accurately control conveyance of a printing medium. A pattern having a predetermined uniform density is printed on a printing medium a plurality of number of times by using a printhead while conveying the printing medium and changing the conveyance amount by a small amount. A conveyance correction amount obtained on the basis of the conveyance amount upon printing a pattern selected from a plurality of printed pattern is stored in a storage medium. Conveyance of the printing medium is controlled while correcting the conveyance amount of the printing medium by the conveyance means on the basis of the conveyance correction amount stored in the storage means.

A printing apparatus and method are capable of printing an image in a rear end area of a print medium. A sheet is transported by a transport roller and pinch rollers situated upstream of a print head with respect to the transport direction, and by a discharge roller and spurs situated downstream of the print head. After the sheet has left the transport roller and the pinch rollers, it is transported by the discharge roller and spurs. The sheet is printed with a test pattern for detecting a difference between a transport amount appearing before the sheet leaves the transport roller and pinch rollers and a transport amount appearing when the sheet leaves them. Based on a correction value set according to a printed result of the test pattern, the transport amount used when the sheet leaves the transport roller and pinch rollers is corrected.

Printing apparatus and printing method

In order to stabilize a performance of a pump employed for processing in an inkjet printing apparatus such as sucking ink from a printing head with a low cost configuration and without the need of using any specific detecting unit, the following configuration is employed. Namely, a tube pump having a member with a curved surface aligned with a flexible tube for supporting the tube and a roller which moves while pressing (squeezing) the flexible tube is driven with a DC motor. To keep revolutions always constant, a current PWM control is employed for changing a power applied to the motor according to load fluctuations, and a phase of the roller is determined based on the current PWM value to manage a pressure generated by the pump and a discharge rate.

Inkjet printing apparatus and method of controlling an ink suction pump motor

This invention relates to a printing apparatus and a conveyance control method capable of simultaneously operating plural encoder sensors and executing more accurate printing medium conveyance control. A first encoder sensor provided adjacent to a first conveyance roller detects the conveyance amount of a printing medium by the first conveyance roller provided in the conveyance path of the printing medium. A second encoder sensor provided adjacent to a second conveyance roller detects the conveyance amount of the printing medium by the second conveyance roller provided in the conveyance path of the printing medium at the downstream side from the first conveyance roller in the conveyance direction of the printing medium. For example, conveyance of the printing medium is controlled on the basis of the output signals from the first and second encoder sensors when a tail end of the printing medium is located adjacent to the first conveyance roller.

An ink jet printing apparatus that can print high quality images under simple control includes a conveying roller disposed upstream of a printing section to convey a print medium, a pinch roller that rotates in cooperation with the conveying roller and discharging rollers that convey the print medium downstream of the printing section. The pinch roller, before a trailing end of the print medium reaches a nip portion between the conveying roller and the pinch roller, moves from a pressure contact position with respect to the conveying roller. A conveyance amount of the print medium varies between before and after separation of the pinch roller from the conveying roller.

Ink jet printing apparatus and method for controlling ink jet printing apparatus

A sheet material guiding mechanism for guiding the edge portion of sheet material comprises a movable side guide capable of sliding corresponding to the sizes of sheet material, and being fixable in any position within the sliding area; a sheet guide section provided for the movable side guide in order to regulate the position of sheet material by butting against the edge of the sheet material; and an inner-side operating section provided for the movable side guide, being capable of releasing the fixed condition of the movable side guide by depression, hence making it possible to provide a sheet material guiding mechanism having a simple structure at lower costs, and producing the suppression effect against the skew of the sheet material with the easy operation that copes with disability.

Sheet material guiding mechanism, and sheet material feeding and conveying device provided with such mechanism, and recording apparatus

This invention is intended to perform a mounting/dismounting or replacement of a print head and ink tank mounted on the carriage without contaminating a print medium including a tray when performing an ink jet printing using the tray. For this purpose, the tray guide that supports the tray so that it can be fed is removably mounted to the printing apparatus. Whether this tray guide is mounted to the printing apparatus is detected by the tray guide sensor. According to a result of detection by this tray guide sensor, the control unit for controlling the driving of the carriage controls the position of the carriage in the main scan direction.

Ink jet printing apparatus and method using removably mounted print medium tray

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Machida, Japan

Haruyuki Yanagi