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OPERATIONS
and
timing
C.
Inputs
to
DC
Controller
1.
Inputs
to
DC
Controller
(1/2)
DC
controller
PCB
Multifeeder
paper sensor
3
02
J23-1
Pre
-registration
paper
sensor
Scanner
home
position
sensor
3
35
Lens
home
position
sensor
Delivery
paper sensor
Cassette
paper sensor
3
^B
It
5V
7hr
5V
5V
5V
CPEP
when
paper
is
over
Q1
,
"1
'.
(light-blocking plate
is
at
Q1
)
when
paper
is
at
Q2,
'1'.
(light-blocking plate
is
at
Q2)
when
scanner
is
at
home
position,
'1'.
(light-blocking plate
is
at
Q3)
when
lens
is
at
home
position,
'1'.
(light-blocking plate
is
at
Q4)
when
paper
is
at
Q5,
'0'.
(light-blocking plate
is
not
at
Q5)
when
paper
is in
cassette,
'1'.
(light-blocking plate
is
at
Q11)
Figure 3-3
3-4
COPYRIGHT©
1992
CANON
INC.
CANON
NP-1550 REV.0
JAN.1992 PRINTED
IN
JAPAN
(IMPRIME
AU
JAPON)
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