Printing device and printing method
AssigneeSeiko Epson Corporation
InventorsSeiji Izuo, Masaki Uchiyama, Bunji Ishimoto
Life of this patent
Estimating the term…
Abstract
Provided is a printing device including: a printing unit which has a plurality of nozzles for ejecting a liquid and printing an image; an inspection unit which inspects whether or not the liquid is able to be ejected from the nozzles; and a controller which divides each pixel of image data into a plurality of pixels, and allows the printing unit to perform printing if at least one of at least a predetermined number of nozzles corresponding to each pixel of the image data is able to eject the liquid in the inspected result of the inspection unit, when dots are formed using at least the predetermined number of nozzles with respect to the plurality of divided pixels.
Claims8
A printing device comprising:
- a printing unit which has a plurality of nozzles for ejecting a liquid and prints an image;
- an inspection unit which inspects whether or not the liquid is able to be ejected from the nozzles;
- and
- a controller which divides each pixel of image data into a plurality of pixels, and allows the printing unit to perform printing if at least one of a predetermined number of nozzles corresponding to each pixel of the image data is able to eject the liquid in the inspected result of the inspection unit, when dots are formed using at least the predetermined number of nozzles with respect to the plurality of divided pixels.
A printing method of a printing device which has a plurality of nozzles for ejecting a liquid and prints an image based on the ejection of the liquid from each of the nozzles, the method comprising:
- inspecting whether or not the liquid is able to be ejected from each of the nozzles;
- wherein each pixel of image data is divided into a plurality of pixels during printing, and the printing unit is allowed to perform printing if at least one of at least a predetermined number of nozzles corresponding to each pixel of the image data is able to eject the liquid in the inspected result, when dots are formed using at least the predetermined number of nozzles with respect to the plurality of divided pixels.
Dependencies are inferred from the claim text.