Ink-jet recording apparatus and ink-jet recording method
AssigneeBrother Kogyo Kabushiki Kaisha
InventorKohei Terada
Life of this patent
Estimating the term…
Abstract
An ink-jet recording apparatus is provided, including a first transport section which transports a recording medium; a recording section which is formed with a plurality of nozzles and which records an image on the recording medium by discharging ink droplets from the nozzles; an interference member which is provided at a position separated from the recording section; and a control unit which controls the recording section so that only a part of the nozzles is used for a certain area of the recording medium.
Claims17
An ink-jet recording apparatus comprising:
- a first roller pair configured to convey a media tray on which a medium is held in a first conveyance direction and a second conveyance direction being the opposite side to the first conveyance direction;
- a head disposed at a downstream side of the first roller pair in the first conveyance direction, the head comprising a plurality of nozzles aligned in the first conveyance direction, the plurality of nozzles comprising a first nozzle positioned at the most downstream side of the plurality of nozzles in the first conveyance direction and a second nozzle positioned at the most upstream side of the plurality of nozzles in the first conveyance direction;
- a carriage on which the head is mounted, the carriage configured to move in a scanning direction orthogonal to the first conveyance direction;
- and
- a controller,
- wherein the controller is configured to:
- prior to ejecting ink from any of the plurality of nozzles toward a label of the medium held by the media tray, control the first roller pair to position the media tray at a position where the most upstream side of the label in the first conveyance direction is positioned between the first nozzle and the second nozzle in the first conveyance direction;
- and then,
- control the head, the carriage and the first roller pair alternately repeating:
- performing a pass for moving the carriage in the scanning direction and ejecting the ink from the head toward the label;
- and
- conveying the media tray in the second conveyance direction,
- wherein, before an upstream area of the label is positioned at a downstream side of the second nozzle in the second conveyance direction, the controller is configured to control the carriage, the head and the first roller pair to perform a plurality of passes and a plurality of conveying of the alternately repeating to eject the ink from a subset of the plurality of nozzles toward the upstream area, the upstream area being an area of the label that is an upstream side of the first nozzle in the first conveyance direction when the media tray is positioned at the position, the subset of the plurality of nozzles comprises at least one nozzle positioned at the upstream side of the first nozzle in the first conveyance direction, and
- wherein the second nozzle is excluded from the subset of the plurality of nozzles in particular passes of the plurality of passes.
A method for printing an image on a label of a medium by an ink-jet recording apparatus,
- the ink-jet recording apparatus comprising:
- a first roller pair configured to convey a media tray on which the medium is held in a first conveyance direction and a second conveyance direction being the opposite side to the first conveyance direction;
- a head disposed at a downstream side of the first roller pair in the first conveyance direction, the head comprising a plurality of nozzles aligned in the first conveyance direction, the plurality of nozzles comprising a first nozzle positioned at the most downstream side in the first conveyance direction and a second nozzle positioned at the most upstream side in the first conveyance direction;
- and
- a carriage on which the head is mounted, the carriage configured to move in a scanning direction orthogonal to the first conveyance direction,
- the method comprising:
- prior to ejecting ink from any of the plurality of nozzles toward the label, positioning the media tray at a position where the most upstream side of the label of the medium conveyed by the first roller pair in the first conveyance direction is positioned between the first nozzle and the second nozzle in the first conveyance direction;
- and then
- alternately repeating:
- moving the carriage in the scanning direction and ejecting the ink from the head toward the label;
- and
- conveying the media tray in the second conveyance direction,
- wherein the method further comprises, before an upstream area of the label is positioned at a downstream side of the second nozzle in the second conveyance direction, moving the head and the carriage in the scanning direction and ejecting the ink from a subset of the plurality of nozzles toward an upstream area of the label, the upstream area being an area of the label that is an upstream side of the first nozzle in the first conveyance direction when the media tray is positioned at the position, the subset of the plurality of nozzles comprises at least one nozzle positioned at the upstream side of the first nozzle in the first conveyance direction, and
- wherein the first nozzle and the second nozzle are excluded from the subset of the plurality of nozzles.
An ink-jet recording apparatus comprising:
- a first roller pair configured to convey a media tray comprising a media loading portion on which a medium is held in a first conveyance direction and a second conveyance direction being the opposite side to the first conveyance direction;
- a head disposed at a downstream side of the first roller pair in the first conveyance direction, the head comprising a plurality of nozzles aligned in the first conveyance direction, the plurality of nozzles comprising a first nozzle positioned at the most downstream side of the plurality of nozzles in the first conveyance direction and a second nozzle positioned at the most upstream side of the plurality of nozzles in the first conveyance direction;
- a carriage on which the head is mounted, the carriage configured to move in a scanning direction orthogonal to the first conveyance direction;
- and
- a controller,
- wherein the controller is configured to:
- prior to ejecting ink from any of the plurality of nozzles toward the media loading portion, control the first roller pair to position the media tray at a position where the most upstream side of the media loading portion is positioned between the first nozzle and the second nozzle in the first conveyance direction;
- and then,
- control the head, the carriage, and the first roller pair alternately repeating:
- moving the carriage in the scanning direction and ejecting the ink from the head toward the media loading portion;
- and
- conveying the media tray in the second conveyance direction,
- wherein, before an upstream area of the media loading portion is positioned at a downstream side of the second nozzle in the second conveyance direction, the controller is configured to control the carriage to move the head and the carriage in the scanning direction and control the head to eject the ink from a subset of the plurality of nozzles toward the upstream area, the upstream area being an area of the media loading portion that is an upstream side of the first nozzle in the first conveyance direction when the media tray is positioned at the position, the subset of the plurality of nozzles comprises at least one nozzle positioned at the upstream side of the first nozzle in the first conveyance direction, and
- wherein the first nozzle and the second nozzle are excluded from the subset of the plurality of nozzles.
An ink-jet recording apparatus comprising:
- a first roller pair configured to convey a media tray on which a medium is held in a first conveyance direction and a second conveyance direction being the opposite side to the first conveyance direction;
- a head disposed at a downstream side of the first roller pair in the first conveyance direction, the head comprising a plurality of nozzles aligned in the first conveyance direction, the plurality of nozzles comprising a first nozzle positioned at the most downstream side of the plurality of nozzles in the first conveyance direction and a second nozzle positioned at the most upstream side of the plurality of nozzles in the first conveyance direction;
- a carriage on which the head is mounted, the carriage configured to move in a scanning direction orthogonal to the first conveyance direction;
- and
- a controller,
- wherein the controller is configured to:
- prior to ejecting ink from any of the plurality of nozzles toward a label of the medium held by the media tray, control the first roller pair to position the media tray at a position where the most upstream side of the label in the first conveyance direction is positioned between the first nozzle and the second nozzle in the first conveyance direction;
- and then,
- control the head, the carriage and the first roller pair alternately repeating:
- moving the carriage in the scanning direction and ejecting the ink from the head toward the label;
- and
- conveying the media tray in the second conveyance direction,
- wherein, before an upstream area of the label is positioned at a downstream side of the second nozzle in the second conveyance direction, the controller is configured to control the carriage to move the head and the carriage in the scanning direction and control the head to eject the ink from a subset of the plurality of nozzles toward the upstream area, the upstream area being an area of the label that is an upstream side of the first nozzle in the first conveyance direction when the media tray is positioned at the position, the subset of the plurality of nozzles comprises at least one nozzle positioned at the upstream side of the first nozzle in the first conveyance direction,
- wherein the plurality of nozzles comprises a first nozzle group comprising nozzles, the nozzles in the first nozzle group being consecutive nozzles in the first conveyance direction, the first nozzle group comprising the first nozzle, and
- wherein the subset of plurality of nozzles comprises at least one nozzle positioned at an upstream side of the first nozzle group in the first conveyance direction.
An ink-jet recording apparatus comprising:
- a first roller pair configured to convey a media tray on which a medium is held in a first conveyance direction and a second conveyance direction being the opposite side to the first conveyance direction;
- a head disposed at a downstream side of the first roller pair in the first conveyance direction, the head comprising a plurality of nozzles aligned in the first conveyance direction, the plurality of nozzles comprising a first nozzle positioned at the most downstream side of the plurality of nozzles in the first conveyance direction and a second nozzle positioned at the most upstream side of the plurality of nozzles in the first conveyance direction;
- a carriage on which the head is mounted, the carriage configured to move in a scanning direction orthogonal to the first conveyance direction;
- and
- a controller,
- wherein the controller is configured to:
- prior to ejecting ink from any of the plurality of nozzles toward a label of the medium held by the media tray, control the first roller pair to position the media tray at a position where the most upstream side of the label in the first conveyance direction is positioned between the first nozzle and the second nozzle in the first conveyance direction;
- and then,
- control the head, the carriage and the first roller pair alternately repeating:
- moving the carriage in the scanning direction and ejecting the ink from the head toward the label;
- and
- conveying the media tray in the second conveyance direction,
- wherein, before an upstream area of the label is positioned at a downstream side of the second nozzle in the second conveyance direction, the controller is configured to control the carriage to move the head and the carriage in the scanning direction and control the head to eject the ink from a subset of the plurality of nozzles toward the upstream area, the upstream area being an area of the label that is an upstream side of the first nozzle in the first conveyance direction when the media tray is positioned at the position, the subset of the plurality of nozzles comprises at least one nozzle positioned at the upstream side of the first nozzle in the first conveyance direction,
- wherein the plurality of nozzles comprises a second nozzle group comprising nozzles, the nozzles in the second nozzle group being consecutive nozzles in the first conveyance direction, the second nozzle group comprising the second nozzle, and
- wherein the subset of plurality of nozzle comprises at least one nozzle at a downstream side of the second nozzle group in the first conveyance direction.
An ink-jet recording apparatus comprising:
- a first roller pair configured to convey a media tray on which a medium is held in a first conveyance direction and a second conveyance direction being the opposite side to the first conveyance direction;
- a head disposed at a downstream side of the first roller pair in the first conveyance direction, the head comprising a plurality of nozzles aligned in the first conveyance direction, the plurality of nozzles comprising a first nozzle positioned at the most downstream side of the plurality of nozzles in the first conveyance direction and a second nozzle positioned at the most upstream side of the plurality of nozzles in the first conveyance direction;
- a carriage on which the head is mounted, the carriage configured to move in a scanning direction orthogonal to the first conveyance direction;
- and
- a controller,
- wherein the controller is configured to:
- prior to ejecting ink from any of the plurality of nozzles toward a label of the medium held by the media tray, control the first roller pair to position the media tray at a position where the most upstream side of the label in the first conveyance direction is positioned between the first nozzle and the second nozzle in the first conveyance direction;
- and then,
- control the head, the carriage and the first roller pair alternately repeating:
- moving the carriage in the scanning direction and ejecting the ink from the head toward the label;
- and
- conveying the media tray in the second conveyance direction,
- wherein, before an upstream area of the label is positioned at a downstream side of the second nozzle in the second conveyance direction, the controller is configured to control the carriage to move the head and the carriage in the scanning direction and control the head to eject the ink from a subset of the plurality of nozzles toward the upstream area, the upstream area being an area of the label that is an upstream side of the first nozzle in the first conveyance direction when the media tray is positioned at the position, the subset of the plurality of nozzles comprises at least one nozzle positioned at the upstream side of the first nozzle in the first conveyance direction, and
- wherein the first nozzle and the second nozzle are excluded from the subset of the plurality of nozzles.
Dependencies are inferred from the claim text.