Patent ID: 7374267

Claim:
An inkjet printing apparatus which performs printing by moving, on plural types of printing media, a carriage on which a printhead which discharges ink is mounted, comprising: preliminary discharge means for performing preliminary discharge to cause the printhead to discharge ink irrespective of printing; a first preliminary discharge performing position and a second preliminary discharge performing position where the preliminary discharge is performed within a moving area of the carriage; print means for printing by changing the moving area of the carriage according to a type of printing medium used, out of the plural types of printing media; and preliminary discharge position setting means for setting a position where preliminary discharge is performed by said preliminary discharge means, (i) to both the first preliminary discharge performing position and the second preliminary discharge performing position, in a case where the moving area of the carriage is longer than a predetermined length, and (ii) to a position closer to the moving area of the carriage selected from the first preliminary discharge performing position and the second preliminary discharge performing position, in a case where the moving area of the carriage is equal to or shorter than the predetermined length, on the basis of information of a size of a printing medium and the moving area of the carriage.