| 摘要 |
A printing system includes a multiple-beam generator array configured to generate multiple beams. A collimator lens is positioned to receive the multiple beams, and an aperture stop is located where the multiple beams are spatially coincident with each other. A scanning optical system is positioned to receive the beams from the aperture stop, and a recording medium receives the beams from the scanning optical system. A filter is located where the multiple beams are spatially coincident with each other, whereby each of the multiple beams may be filtered by the supplied filter.
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