| 摘要 |
<p>A rotatable optical wedge (125) disposed relative to a reflective member (130) and rotated between a first position and a second position to direct a light beam (127) reflected from the reflective member (130) to a position on a recording medium (135) and the position of the light beam is adjusted by moving the optical wedge (125) to different positions including the first and second positions.</p> |
