UMAX Data Systems Astra 1220U, Руководство по обслуживанию

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Service Manual
The Opto-Mechanical
The opto-mechanical system consists of the following (see Fig. 2-2 below):
‰ Three mirrors to guide the optical path from the document being scanned to the image sensor.
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One lense to focus and reduce the size of the image.
‰ Resolution of Lens is 600dpi.
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A support chassis for the mounting of mirrors, lens mount, and CCD.
‰ A stepping motor, gear train, and timing belt to move the optical system.
Note: Please be sure to keep all dirt, dust, moisture, and oil away from the optical system. Any small spot
in the optical system will adversely affect the image quality.
Fig. 2-2: The Opto-Mechanical System
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