General Description
Service Manual
1.5.6
Board
The
is the high-voltage supply circuit board. It
the development bias,
drum
charge bias, and image transfer bias.
Do not touch VRl,
and
on the
board. These
volumes are for
setting only.
VR102
1-22.
Board
1.5.7
Unit
The
unit consists of the laser diode (semi-conductor laser), the mirror motor ( scanner motor)
which drives the polygon mirror for laser
and several mirrors and lenses. The laser beam
generated by the laser diode is conducted to the
drum surface by way of the polygon mirror,
as well as several mirrors and lenses, to
a latent
image on the drum.
Figure 1-23.
Unit
1-38
Rev.
