There are models use scanning mirror drum directly to photoptic scanning, tabll using post-sorts reflection of the laser beam on the peripherin-wenzhouhavedescended for exposure.

• 有的机型搁置扫描镜间接不差感平胀扫描曝平，有的机型搁置扫描后的不直射激平束不差感平胀举行曝平。