| 摘要 |
A pressure generator is driven to eject ink droplets from a nozzle orifice such that a plurality of flushing operations are intermittently repeated with a first time interval, when a recording operation of a recording head is not performed. Each flushing operation includes a plurality of ink ejections repeated for a predetermined times with a second time interval which is shorter than the first time interval. The ink near the nozzle orifice is residually vibrated between the flushing operations, so that the viscous ink is diffused and the viscous ink is effectively expelled.
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