| 摘要 |
A head carriage of an ink-jet printer is equipped with a heat lamp unit. The heat lamp unit is located very close to ink droplets discharged from an ink-jet head and landing on a recording medium and can directly heat and cure the ink droplets, so that the ink droplets can be efficiently fixed. If the heat lamp unit is placed very close to the ink-jet head, clogging of a nozzle of the ink-jet head and thermal failure of the ink-jet head itself may be caused by heat release of the heat lamp unit, but the heat lamp unit can be cooled efficiently by a cooling mechanism which circulates a refrigerant through a refrigerant circulating pipe by a refrigerant circulating pump, so that the ink-jet head can be prevented from being heated.
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