Ink jet printing apparatus and ink jet printing method

摘要

An ink jet printing apparatus inhibits the temperature of a print head from increasing excessively while preventing significant density or hue unevenness from occurring in images, without the need for a complicated structure or complicated control. Thus, the temperature of the print head is detected, and the number of scans in which the print head is to stand by until start of scanning and a standby time for each of the set number of scans by the print head are set, on the basis of the detected temperature.

主权项

1. An ink jet printing apparatus comprising:
a print head for ejecting ink for printing; a scanning unit configured to scan the print head relative to a print medium; an obtaining unit configured to obtain information relating to a temperature of the print head in a target scan of the print head by the scanning unit; and a control unit configured to control the scanning unit so as to delay scanning of the print head by providing a delay time between a previous scan and a next scan based on the information obtained by the obtaining unit in the target scan, wherein the control unit delays scanning by providing the delay time for a determined plurality of intervals between scans after the target scan when the temperature of the print head in the target scan indicated by the information is higher than a predetermined temperature such that a first delay time for one interval of the determined plurality of intervals is shorter than a second delay time for another interval of the determined plurality of intervals later than the one interval.