Canon Kabushiki Kaisha

Takakazu Ohashi

Daiki Anayama

Ryohei Maruyama

Tetsuo Kikuchi

Naoki Wakayama

Shuichi Masuda

Yoshiaki Suzuki

Kengo Nieda

Itaru Wada

Kota Uchida

Masakazu Nagashima

Kohei Fukui

Naoki Zaizen

Yasuyuki Asai

Hiromasa Yoneyama

Ryo Harigae

Kouhei Tokuda

Hideyuki Nozawa

Takuya Suto

A printing apparatus includes a conveyance unit configured to convey a print medium in a conveyance direction, a printing unit, a plurality of rotary members arrayed in the direction intersecting a conveyance direction on a downstream side of the printing unit in the conveyance direction and configured to regulate a height position of the print medium from above the print medium, a holding member configured to rotatably hold the plurality of rotary members, a base member configured to support the holding member, and an adjustment member configured to adjust a position of the holding member in a height direction with respect to the base member.

Printing apparatus

A printing apparatus includes a conveyance unit, a printing unit, a platen section facing the printing unit, a regulation unit arranged on a downstream side of the printing unit in the conveyance direction and configured to regulate a height position of the print medium, and a guide section arranged on a downstream side of the platen section. The guide section includes a first declined section, a second declined section arranged on the downstream side of the first declined section in the conveyance direction, and an inclined section inclined from the second declined section to the downstream side in the conveyance direction. A declination of the second declined section is more moderate than that of the first declined section, and the regulation unit faces the guide section.

An image printing apparatus includes a print head configured to print an image on a printing medium; a conveyance unit configured to convey the printing medium in a conveyance direction; a detection unit movable in an intersection direction intersecting the conveyance direction and configured to detect an end of the printing medium in the intersection direction; a cutting unit located downstream of a printing region of the print head in the conveyance direction and capable of cutting the printing medium by being moved in the intersection direction; and a control unit configured to control movement of the detection unit such that the detection unit detects a position of the end of the printing medium during movement of the cutting unit for a cutting operation of cutting the printing medium.

Image printing apparatus and method of controlling image printing apparatus

An object of the present invention is to improve throughput of continuous printing in an image printing apparatus having a cutting device that needs to be returned to a standby position for a next cutting operation. One embodiment of the present invention is an image printing apparatus having a printing unit, a conveyance unit capable of conveying a printing medium in a conveyance direction or in a returning direction opposite to the conveyance direction; and a cutting unit provided at a cutting position on a downstream side in the conveyance direction of the printing unit and configured to cut the printing medium by moving in a first direction and return to a cutting standby position for a next cutting operation by moving in a second direction opposite to the first direction.

Image printing apparatus, control method of image printing apparatus, and storage medium

A document reading apparatus of a printing apparatus includes a document setting unit and a reading unit, the document reading apparatus being provided at a higher position compared to a printing unit. The document setting unit includes a supporting surface configured to support a document, and the reading unit is configured to read the document conveyed from the document setting unit. The document reading apparatus moves to a reading position and to a retracted position at which the document reading apparatus is retracted from the reading position. Furthermore, the printing apparatus includes a cover member configured to cover the printing unit. The cover member includes an outer surface configured to support and guide the document together with the supporting surface in a case where the document reading apparatus is at the reading position.

A conveyance unit of an image printing apparatus includes a conveyance member configured to nip and convey the print medium and disposed upstream of the print head in the conveyance direction but does not include a conveyance member configured to nip and convey the print medium and disposed downstream of the print head in the conveyance direction. In a case where a trailing edge margin length indicated by the trailing edge margin information is shorter than a first length, a control unit of the image printing apparatus controls the print head and the conveyance unit such that at least one scan of the print head for printing the image is performed after a trailing edge of the print medium in the conveyance direction passes by the conveyance member disposed upstream of the print head.

Image printing apparatus and control method therefor

A printing apparatus has a conveyance roller and a driven roller disposed upstream of a print head in the first direction, a platen facing the print head and supporting the print medium, a producing unit producing a holding force for holding the print medium at the platen. A conveyance operation includes a first conveyance operation in which the print medium is conveyed without any release from between the conveyance roller and the driven roller and a second conveyance operation in which the print medium is released from between the conveyance roller and the driven roller. A rotation amount of the conveyance roller during the second conveyance operation is increased than that during the first conveyance operation.

Printing apparatus and control method

A cutter unit is attached to a carriage in a predetermined direction, the carriage moving in a cutting direction of a sheet. A first set of first fitting sections and a second set of second fitting sections are provided as groups of fitting sections provided at positions, which face each other, on the carriage and the cutter unit. The first fitting sections and the second fitting sections each of which are fitted to each other in a predetermined direction. When the cutter unit is attached to the carriage, the fitting of the first fitting sections starts before the fitting of the second fitting sections.

Cutting apparatus and printing apparatus

A sheet storage apparatus according to an embodiment of the present invention includes a receiving unit which receives a sheet that is discharged from a discharge port at a position below the discharge port, and a sheet butting unit which is provided in the vicinity of the receiving unit and receives a front end portion of the sheet. The sheet butting unit has a projection which is provided on at least one of an inner side surface and an inner upper surface of the sheet butting unit. The projection is configured to be capable of retaining a state of regulating vertically upward movement of the front end portion of the sheet being discharged from the discharge port.

Sheet storage apparatus and printing apparatus

There is provided a stacking apparatus capable of stably conveying and stacking sheets without occurrence of damage or buckling of the sheets in the structure of discharging the curled sheets one by one. In regard to each of a plurality of clamp guides which project toward stacking trays from a conveyor to guide sheets S, the projecting position varies in accordance with a size and an amount of stacked sheets on the stack trays. The stacking tray comprises an inclined surface and a curved surface. An upper guide is located to face the inclined surface by a predetermined interval, and the upper guide is located not to face the curved surface or is located to face it by an interval larger than a predetermined interval.

Stacking apparatus

In order to reliably cut a sheet even when the width of the sheet is changed while shortening cutting time, the position of an end portion of the sheet is sensed and a cutting range is set according to the sensed position of the end portion.

A cutting apparatus comprising: a cutting unit including a first blade member and a second blade member that cooperates with the first blade member in cutting an object, configured to cut the object by relatively moving the object and at least one of the first blade member and the second blade member to each other to cut the object; and a changing unit configured to change a pressing force between the first blade member and the second blade member during an operation of cutting the object; wherein the changing unit sets the pressing force during the initial cutting operation from a time when cutting of the object is started until the object has been cut by a predetermined length higher than the pressing force during the subsequent cutting operation.

A cutting apparatus comprises a cutting unit including a first blade member and a second blade member that cooperates with the first blade member in cutting an object, configured to cut the object by moving the object and at least one of the first and second blade members relative to each other in a cutting direction; and a changing unit configured to change a crossing angle between the first blade member and the second blade member during an operation of cutting the object, wherein the changing unit makes the crossing angle after the start of the cutting smaller than the crossing angle at the start of the cutting.

An embodiment of this invention is directed to reducing waste paper caused by a margin added between images even between different jobs. According to the embodiment, a printing unit is caused to print an image based on an input job. It is determined, in accordance with a mode of a first job and a mode of a second job next to the first job, whether to provide a margin between an image printed based on the first job and an image to be printed based on the second job.

Growing community of inventors

Kawasaki, Japan

Takakazu Ohashi