| 摘要 |
Provided is a printing apparatus that performs printing by moving a print head in main scan directions and sub scan directions relative to a printing medium, including: an input unit that inputs image data constituting an image; a halftone processing unit that converts the input image data to dot data indicating whether or not dots are formed; and a printing unit that performs printing by controlling ejection of ink from the print head based on the result of the halftone process, wherein, in a printing area where an ink duty is in a predetermined range, the printing unit forms dots by forward movement in which the print head relatively moves in one direction of the main scan directions and backward movement in which the print head relatively moves in the direction opposite to the one direction so that a forward-moving dot occurrence ratio that is a ratio of forming the dots by the forward movement and a backward-moving dot occurrence ratio that is a ratio of forming the dots by the backward movement are gradually increased with a biased magnitude relation as the ink duty is increased.
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