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OPERATIONS
AND
TIMING
3.
DC
Controller
Out Puts
(3/3)
DC
controller
PCB
J309-1
Scanner
cooling fan
(
FM1
Exhaust
fan
24V
Feeder
fan
/^-y
J311-1
r
(
FM2J
-3
^
r-
J313-6
FM2D
(FM3
j
r
-7
FM3D
J731
J308
Pre-expos
ure
lamps
FM1D
When
"0"
—
FM1
ON
24V
FM2D
When
"0"
-
FM2
ON
24V
FM3D
When
"0"
-
FM3
ON
—
^
WV
1
—
^
<WV
-2
-1
1
j
24V
-1
-2
Total
counter
CNT1
J313-2
-1
PEXP
When
"0"
-
Pre-exposure lamps
ON
24V
TCNTD
When
"0"
-
Total
counter operates
(only for
1
00V
copier
when
making
1
black
and
white copy)
Control card
unit
C.C.V.
(CC1)
J315-4
J314-13
J314-14
J315-3
H V T
c
5V
CCNTD
When
"0"
->
operates
CCNNT
When
"0"
-
card
sensed
^T
See
page
3-21
Figure 3-7
3-8
COPYRIGHT©
1992
CANONINC.
CANON
NP-1550
P.EV.1
SEPT.
1
992
PRINTED
IN
JAPAN
(IMPRIME
AU
JAPON)
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