| 摘要 |
An ink jet recording apparatus has an ink jet head mounted for movement in a scanning direction to record on a surface of a recording medium using an active ray curing type ink. An active ray irradiation device is disposed adjacent to the ink jet head for irradiating an active ray to cure the ink on the surface of the recording medium. A plate is mounted to undergo movement in the scanning direction of the inkjet head for preventing an active ray from the active ray irradiation device and reflected by the platen from entering in ink discharge surface of the ink jet head. The plate is disposed adjacent to an end portion of the recording medium and in an arbitrary position between a surface lying substantially on the same plane as the surface of the recording medium and the ink discharge surface of the ink jet head. A plate position adjusting mechanism and a head position adjusting mechanism are provided for moving the plate and the ink jet head, respectively, in a direction orthogonal to the recording medium.
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