Epson EPL-9000 Service Manual page 72

Operating Principles
2.1.3.7 Fan Motor and
The
fan motor rotates at all
printing. When printing ends, the fan motor slows down. 'l'he high voltage supply board
receives FAN CONTROL signals from the engine
the high voltage supply board
to fan during printing.
The fan rotates faster while FAN FAST ON
ON signal receive.
The fan output FAN ALARM signal, while it is locked.
Engine Controller
24
FAN CONTROL
FAN
Figure 2-32. Fan and Chute Fan Control Circuit
2-20
Fan Motor Control
power is on.
after the
sends CHUTE FAN ON signal to chute fan and FAN
receive.
High Voltage *@y
CHUTE FAN ON
-o-. -x--
. . . . .
--
-
. . . . . . . . . . . . . . . . . . . . 1
motor rotates faster
board (MC during
chute fan rotates while CHUTE FAN
Front Frame
Assembly
Chute
o M
. . . . . . . . . . . . . . .
Fan
0 M
during
and
Fan
. - .-.
Rev.