Printing method and printing apparatus
AssigneeSeiko Epson Corporation
InventorToshiki Usui
Life of this patent
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Abstract
A printing method includes: at a certain timing, controlling a first drive element so that a dot can be formed for each pixel with a first number of gradations, and controlling a second drive element so that a dot can be formed for each pixel with a second number of gradations that is lower than the first number of gradations, the first drive element being driven to form a dot by ejecting an ink of a first color from a nozzle, and the second drive element being driven to form a dot by ejecting an ink of a second color that is different from the first color from a different nozzle; and at a different timing, controlling the first drive element so that a dot can be formed for each pixel with the second number of gradations.
Claims17
A printing method comprising:
- at a certain timing, controlling a first drive element so that a dot can be formed for each pixel with a first number of gradations, and controlling a second drive element so that a dot can be formed for each pixel with a second number of gradations that is lower than the first number of gradations,
- the first drive element being driven to form a dot by ejecting an ink of a first color from a nozzle, and the second drive element being driven to form a dot by ejecting an ink of a second color that is different from the first color from a different nozzle;
- and
- at a different timing, controlling the first drive element so that a dot can be formed for each pixel with the second number of gradations.
A printing apparatus comprising:
- a first drive element that is driven to form a dot by ejecting an ink of a first color from a nozzle;
- a second drive element that is driven to form a dot by ejecting an ink of a second color different from the first color from a different nozzle;
- and
- a controller that controls the first drive element so that a dot can be formed for each pixel with a first number of gradations, and controls the second drive element so that a dot can be formed for each pixel with a second number of gradations that is lower than the first number of gradations, at a certain timing, the controller controlling the first drive element so that a dot can be formed for each pixel with the second number of gradations, at a different timing.
Dependencies are inferred from the claim text.