Patent ID: 6799824
Filing Date: 2004-10-05
Classification: B41J,H04N

Abstract:
A printing apparatus capable of fanning one of N types of dots having different sizes at one pixel area by a selective ejection of any of the N types of ink drops onto a print medium, the N types of ink drops being different in an ink amount, N being an integer of at least 2, the apparatus comprisingan error information receiver configured to receive error information indicative of an ink amount error of at least one specific type of ink drop among the N types of ink drops; a dot data generator configured to process input image data for generating dot data representing a state of dot formation at each pixel in a printed image; and a dot recorder configured to eject the N types of ink drops onto the print medium in response to the dot data; wherein the dot data generator is configured to generate the dot data whose specific dot recording rate is adjusted in response to the error information, the specific dot recording rate being a rate of dot recorded with the specific type of ink drops.