| 摘要 |
A method of detecting orifice health includes moving a cap support into a drop detect position wherein a light source mounted on the cap support is positioned adjacent an array of fluid ejecting orifices, from the light source, projecting a light beam adjacent to the array of fluid ejecting orifices, ejecting at least one fluid drop from the array and through the light beam, and detecting scattered light from the at least one ejected fluid drop.
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