2GM
2-1-11
(3) Exposure
The charged surface of the drum is then scanned by the laser beam from the laser scanner unit.
Figure 2-1-11 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.
Drum
Laser scanner
unit
Summary of Contents for CD 1018
Page 1: ...Service Manual MFP Copy CD 1018 Date 17 03 2005 ...
Page 2: ...Service Manual MFP Copy DC 2018 Date 17 03 2005 ...
Page 70: ...2GM 1 5 2 2 Paper misfeed detection conditions Registration sensor Exit sensor Figure 1 5 2 ...
Page 124: ...2GM 1 6 31 Eraser lamp 9 Remove the eraser lamp Figure 1 6 35 Removing the eraser lamp ...