Seiko Epson Corporation

Tatsuya Nakano

Masahiko Yoshida

Hirokazu Nunokawa

Toru Miyamoto

Bunji Ishimoto

Yoichi Kakehashi

Takeshi Yoshida

Michiaki Tokunaga

Keigo Yamasaki

Hitotoshi Kimura

Katsuhiro Okubo

Ryoichi Tanaka

Naoki Kayahara

Eishin Yoshikawa

Tomohiro Yuda

Takayuki Kawakami

Masato Mitsuhashi

Toshiaki Ishikawa

Akira Takagi

Takeshi Shiode

Takanori Seki

Yuji Miyama

Yusuke Kashimoto

There is provided a printing apparatus including a print head that has a color nozzle row for applying ink to a roll paper and a working liquid nozzle row, a main scanning unit that relatively moves the print head with respect to the roll paper in the main scanning direction (X-axis direction), a sub-scanning unit that relatively moves the roll paper in the sub-scanning direction (Y-axis direction) intersecting the main scanning direction (X-axis direction) with respect to the print head, and a control device that controls a relative position between a use area of the nozzle included in the color nozzle row in the sub-scanning direction (Y-axis direction) and a use area of the nozzle included in a working liquid nozzle row, based on the attribute information of the roll paper.

Printing apparatus and printing method

A liquid ejecting apparatus includes a liquid ejecting unit that can eject a first liquid and a second liquid to a medium, a first rotating body having a circumferential surface that can receive the first liquid ejected from the liquid ejecting unit, a first sliding contact member that can be slidably in contact with the circumferential surface of the first rotating body, a first collection unit that collects the first liquid that is collected from the circumferential surface by the first sliding contact member, a second rotating body having a circumferential surface that can receive the second liquid ejected from the liquid ejecting unit, a second sliding contact member that can be slidably in contact with the circumferential surface of the second rotating body, and a second collection unit that collects the second liquid that is collected from the circumferential surface by the second sliding contact member.

Liquid ejecting apparatus

When an original point position of a transport roller is detected using an original point detecting sensor and a downstream end in the transport direction of an elongated sheet is positioned on a more downstream side in the transport direction than a cutting position, the sheet is cut by a cutter. Thereafter, a correction chart is generated by driving the transport roller and a recording unit.

Recording device, method of generating correction chart, and method of transporting medium

A fluid ejecting apparatus includes a nozzle row in which a plurality of nozzles that eject fluid onto a medium are arranged, a first movement unit that displaces a relative position between the medium and the nozzle row, and a control unit that forms a plurality of dot-lines by repeating a fluid ejection operation in which fluid is ejected so as to form a dot-line, such that a maximum time between when one of the adjacent dot-lines in the plurality of dot-lines is formed to when the other of the adjacent dot-lines is formed is reduced.

Fluid ejecting apparatus and fluid ejecting method

A recording apparatus of this invention includes a head; a transport mechanism that transports a medium in a transport direction with respect to the head, according to a target transport amount to be targeted; a memory that stores a plurality of correction values associated with a relative position of the head and the medium; and a controller that controls the transport mechanism based on the target transport amount that has been corrected, after correcting the target transport amount based on correction values, which are in number according to a size of the target transport amount, and which include the correction value according to the relative position when transporting by the target transport amount.

Recording apparatus and transport method

There is provided a method of calculating a correction value in a liquid ejecting apparatus in which a plurality of heads is arranged in a predetermined direction and each of the heads has a nozzle row in which nozzles ejecting a liquid on a medium are arranged in the predetermined direction. The method includes: forming a first and second pattern by a first and second operation; and calculating, on the basis of the first pattern, a first correction value and, on the basis of the first and second patterns, a second correction valve to line up a landed position of the liquid ejected in the first operation and the second operation.

Correction value calculating method and method of manufacturing liquid ejecting apparatus

Liquid ejecting apparatuses and image formed methods are provided. In an exemplary embodiment, a liquid ejecting apparatus is provided including a head unit, a movement mechanism, and a control section. The head unit has along a first direction a plurality of heads, in which a plurality of nozzles that eject a liquid onto a medium are lined up in the first direction, and the head unit forms a single raster line by ejecting the liquid while performing m number of movements relative to the medium in a second direction, which intersects the first direction. The movement mechanism causes the head unit to perform a plurality of movements relative to the medium alternately in the second direction and the first direction. The control section forms an image having a resolution that is n times a pitch of the nozzles.

Liquid ejecting apparatus and image forming method

A transport mechanism transports a medium in a transport direction based on a target transport amount and has a first roller provided on an upstream side in the transport direction and a second roller provided on a downstream side in the transport direction. Correction values are calculated based on an interval between the lines in the transport direction. The transport mechanism is controlled based on a corrected target transport amount after correcting the target transport amount based on the correction values. Lines are formed by ejecting ink from a first nozzle when the first roller is in contact with the medium, and ejecting ink from a second nozzle on a downstream side from the first nozzle in the transport direction when the first roller is not in contact with the medium and the second roller is in contact with the medium.

Recording method

A transport amount correcting method, including; (A) storing in a memory, in regard to a medium of a predetermined size, correction values associated with relative positions of the medium and a head; and (B) when carrying out recording on the medium of the predetermined size, transporting the medium while correcting a target transport amount using a correction value associated with a relative position of the medium and the head, and when carrying out recording on a medium larger than the predetermined size, transporting the medium while correcting the target transport amount by using a portion of the correction values a plurality of times, the portion of the correction values being a portion of the correction values among the correction values used when the medium of the predetermined size is being transported by both an upstream side roller and a downstream side roller.

Transport amount correcting method, recording apparatus, and storage medium having program stored thereon

A medium is carried to a predetermined position in a carrying direction. A first pattern is formed on the medium with nozzles on the carrying direction upstream side of a nozzle row constituted by a plurality of nozzles lined up at predetermined intervals. After forming the first pattern, the medium is carried in the carrying direction by a target carry amount that is shorter than the length in the carrying direction of the nozzle row. Along with forming on the medium a second pattern that forms a boundary with the first pattern with nozzles on the carrying direction downstream side of the nozzle row, a third pattern is formed on the medium with the nozzles on the carrying direction upstream side of the nozzle row. After forming the second pattern, the medium is carried in the carrying direction by a target carry amount that is shorter than the length in the carrying direction of the nozzle row so that a carry amount of the medium after forming the first pattern is longer than the length in the carrying direction of the nozzle row. A fourth pattern that forms a boundary with the third pattern is formed on the medium with the nozzles on the carrying direction downstream side of the nozzle row.

Printing method, printing system and method for determining correction value

A transport amount correcting method, including: (A) storing in a memory, in regard to a medium of a predetermined size, correction values associated with relative positions of the medium and a head; and (B) when carrying out recording on the medium of the predetermined size, transporting the medium while correcting a target transport amount using a correction value associated with a relative position of the medium and the head, and when carrying out recording on a medium smaller than the predetermined size, transporting the medium while correcting the target transport amount by not using a portion of the correction values, the portion of the correction values being a portion of the correction values among the correction values used when the medium of the predetermined size is being transported by both an upstream side roller and a downstream side roller.

A method of calculating a correction value includes: forming a test pattern by ejecting a liquid by a liquid ejecting apparatus, which has a first nozzle row in which a plurality of nozzles ejecting the liquid to a medium are arranged in a predetermined direction and a second nozzle row in which a plurality of nozzles ejecting the liquid to the medium are arranged in the predetermined direction, the second nozzle row being disposed so that an end portion on one side thereof in the predetermined direction overlaps with an end portion on the other side of the first nozzle row in the predetermined direction, to an area of the medium corresponding to certain pixel data on the basis of the certain pixel data from first nozzles belonging to the end portion on the other side of the first nozzle row and second nozzles belonging to the end portion on the one side of the second nozzle row; acquiring a read-out gray scale value by allowing a scanner to read-out the test pattern; and calculating a correction value used to correct the pixel data corresponding to the area to which the liquid is ejected from the first and the second nozzles on the basis of the read-out gray scale value.

Method of calculating correction value, method of ejecting liquid, and liquid ejecting apparatus

At the time of setting a correction value for a certain density (subject density), a higher side density that is higher than the certain density and a lower side density that is lower than the certain density to be referenced according to the measured value of a region printed at the certain density are arbitrarily specified, and a correction value for the certain density is set by using at least one of a measured value of the density of a region printed at the arbitrarily specified higher side density and a measured value of the density of a region printed at the arbitrarily specified lower side density.

Method and apparatus for setting correction value

The invention is a transport method that transports a medium by causing a transport roller to rotate based on a corrected target transport amount, after correcting the target transport amount that is targeted based on a correction value and includes: printing a first pattern on a medium, printing a second pattern after the medium has been transported by causing the transport roller to rotate by a rotation amount of less than one rotation from a rotation position of the transport roller at a time of printing the first pattern, printing a third pattern after the medium has been transported by causing the transport roller to rotate by a rotation amount of one rotation from a rotation position of the transport roller at a time of printing the first pattern, printing a fourth pattern after the medium has been transported by causing the transport roller to rotate by a rotation amount of one rotation from a rotation position of the transport roller at a time of printing the second pattern, calculating a first correction value based on the first pattern and the third pattern, calculating a second correction value based on the second pattern and the fourth pattern, transporting the medium by correcting the target transport amount based on the first correction value or the second correction value depending on the relative position of the medium with respect to the transport roller.

Transporting method and recording apparatus

A recording apparatus including: a head for performing recording on a medium, a transport mechanism that includes a roller on an upstream side of the head and transports the medium in the transport direction according to a target transport amount that is targeted, a sensor that is provided at a more upstream side than the upstream-side roller in order to detect a lower end of the medium transported in the transport direction, and a controller that corrects the target transport amount by correction values matched with a relative position of the head and the medium.

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Hata-machi, Japan

Tatsuya Nakano