Patent ID: 7775617
Filing Date: 2010-08-17
Classification: B41J

Abstract:
1. A printing apparatus in which a convey means for conveying a printing medium and a plurality of printing heads, each of which include a plurality of printing elements arranged in a direction different from a direction along which the printing medium is conveyed, are used to perform a printing operation, comprising: acquisition means for acquiring information regarding an angle formed by a reference convey direction and a convey direction along which the printing medium is conveyed by the convey means; driving means for driving the plurality of printing heads, respectively; and compensation means for compensating, based on the information regarding the angle, a driving timing of the driving means, wherein said acquisition means is provided at an upstream side and a downstream side of a convey path of the printing medium with respect to the plurality of printing heads and has a plurality of line image sensors to detect a position of an end of the printing medium conveyed by the convey means.