Patent ID: 8348372

Claim:
An ink jet printing apparatus which prints on a print medium with a print head for ejecting ink by transporting the print medium in a transporting direction, the ink jet printing apparatus comprising: a first acquiring unit that acquires information about an ink amount ejected on unit areas of a preceding print medium, with the preceding print medium divided into the unit areas in the transporting direction and a first crossing direction which crosses the transporting direction; a second acquiring unit that acquires information about a size of a following print medium; and a setting unit that sets an interval between a printing of the preceding print medium and a printing of the following print medium based on information about an ink amount ejected on one or more unit areas, wherein the setting unit determines, among the divided unit areas, the one or more unit areas in a second crossing direction, which crosses a discharge direction in which the preceding print medium and following print medium are discharged, for setting the interval, based on the information about the size of the following print medium acquired by second acquiring unit.