Advertisement
C. DC CONTROLLER
INPUTS (1/2)
Scanner at
HOME position
Lens at HOME
position
Q4
:
J24-1
J314-7
t
-3
-§
ai
=2
=
=
=)
Ql
' 3606
DC controller PCB
1
:
!
When scanner is at HOME position — "1""
(when light blocking plate is in,Q3)
|
When lens is at HOME position > 1"
{when light blocking plate is at Q4)
,
J310
5V
J17-1
-1r=-~-—13604-2
—-10
4
Cassette paper
—3 -31
if
T
5
7|)=
When lens is no copy paper in cassette > 0"
sensor
t
"4-8
CPEP
(when light blocking plate is not in Q1)
4
ae
tl
ae
3
3
I
t
Remaining black
eae % J310!
toner sensor
!
—
3 TEP
When toner in black developing unit
u
er
falls below specified level > "0"
L
J
CDP
When black developing unit is in place > "0"
Lamp regulator
|
|
3308-2
|
|
CSZ0
|
|
| tteshi
{osz
enerr
Cassette size sensor
CSZ1
Cassette size sensor switches are connected
PCB
|
SW7 6 2]
in a matrix (see page 3-29.)
+f};
—
+-[00}4
| | sw763
|
|
5
[pas
8
i
ge
| ?t-L92
When cassette is present —
'0!
|
76410
oy
L
Sse
|
Pick-up unit paper
sensor
Manual feed tray
position sensor
Figure 3-3
COPYRIGHT © 1988 CANON INC.
CANON NP-1215 REV.0 MAR. 1988 PRINTED IN JAPAN (IMPRIME AU JAPON)
When copy paper is sensed > "1°"
(when light blocking plate is in 2)
When manual feed tray is closed -> "0"
Advertisement
