General Description
1300 Service
1.5.4
Board
The
is the high-voltage supply circuit board. It converts the development bias,
drum
charge bias, and image transfer bias.
Do
not touch
on
board, as it is set
at the
and
should not be
changed.
Figure 1-19.
Board
1.5.5 Optical Unit
The optical unit consists of the laser diode
laser), the mirror motor (scanner motor)
which drives the polygon mirror
laser
and several mirrors and lenses.
laser beam
generated by the laser diode is conducted to the
drum
by way of the polygon mirror,
as well as several mirrors and lenses, to create a latent
image on the drum.
Figure 1-20. Optical Unit
1-26
Rev.
Содержание ActionLaser 1300
Страница 1: ...EPSON TERM NAL PR NTER EPL 3000 ActionLaser 1300 SERVICE MANUAL EPSON ...
Страница 8: ...REVISION SHEET t T Revision laeue Date Revision Page Rev A July 22 1994 let iesue C 5 i vii ...
Страница 101: ...EPL 3000 ActionLaser 1300 Service Manual Appendix Figure A 4 C144 MAIN Board Circuit Diagram 2 2 Rev A A n ...