发明授权
US06669326B2 Ink-jet recording apparatus 有权
喷墨记录装置

Ink-jet recording apparatus
摘要:
An ink-jet recording apparatus having first eject ports ejecting a first ink; second eject ports ejecting a second ink; a recovery means for executing recovery treatments respectively against the first and second eject ports; and a controlling means for controlling the recovery means to execute sucking treatments against corresponding eject ports whenever elapsed times in respective first and second eject ports after the most recent recovery treatments against respective first and second eject ports by the recovery means exceed respective predetermined threshold times, where the predetermined threshold time for the second eject ports is set at an integral which is more than two times the predetermined threshold time for the first eject ports.
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