作者: Toru Itakura
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摘要: A light beam scanning apparatus is provided wherein a sheet such as stimulable phosphor or photographic material undergoes two dimensional by the with deflected to perform main scanning, and transferring in direction perpendicular sub-scanning, using pairs of rollers synchronously driven carry while clamping it therebetween. support member located between roller at least apertures alignment line, photoelectric element disposed each for receiving transmitted aperture, whereby any misalignment can be detected.