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4-7
FS-1010
(2) Exposure
The charged surface of the drum A is then scanned by the laser beam from the laser scanner unit
B.
Figure 4-1-5 Exposure
The laser beam (780 nm wavelength) beam is dispersed as the polygon motor (polygon mirrors)
revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the
scanner unit, adjust the diameter of the laser beam, and focalize it at the drum surface.
B
A