Patent ID: 8702192

Claim:
An inkjet printing apparatus comprising: a printing head having an ink ejection port surface in which a plurality of ink ejection ports ejecting a plurality of color inks are formed; a wiping unit configured to wipe the ink ejection port surface; an elapsed-time measuring unit configured to measure an elapsed time from a previous wiping operation; a resting time measuring unit configured to measure a resting time from an end of a previous printing operation to a start of a next printing operation; and a preliminary ejection unit configured to cause the printing head to eject an ink amount decided based on the resting time, wherein the preliminary ejection unit is further configured to cause the printing head to eject a predetermined amount of ink when: (i) the elapsed time is equal to or greater than a predetermined time period, and (ii) an ink amount decided based on the resting time is less than a predetermined amount.