| 摘要 |
<p>PROBLEM TO BE SOLVED: To manufacture various light source units having light emission sources of different counts at low cost and adjust positions and focuses of the light emission sources for every package. SOLUTION: In this image-recording apparatus which irradiates laser beams from a plurality of multi channels and records pixels of a gradational image as a dot arrangement image to a recording medium, a light source of the plurality of laser beams is obtained by stacking a plurality of packages 72 each having light emission sources 71 of a partial count of a count of the plurality of laser beams in layers into a light source unit 70.</p> |
