The Opto-Mechanical - UMAX Data Systems Astra 1220U Service Manual

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.
One lense to focus and reduce the size of the image.
Resolution of Lens is 600dpi.
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.
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Fig. 2-2: The Opto-Mechanical System