Canon DADF-Q1 Service Manual page 25

-Inputs to ADF Controller PCB(2/2)
Reversal sensor
Pre-registration
roller paper sensor
Post registration
roller paper sensor
Separation sensor
Skew sensor
Original sensor
(light-receiving)
Original sensor
(light-emitting)
Original trailing
edge sensor
Manual feed
registration roller
paper sensor
+5V
-4
-1
S1
-2
-3
J149
+5V
-1 -6
-6 -1
S2
-5 -2
-4 -3
S3
-3 -4
-2 -5
J135 J133
+5V
-1
-6
S4
-5
-4
S5
-3
-2
J134
-2
-1
J136
S6
-2
-1
J145
Pickup tray
PCB
S7
Paper
Original
width
detecting
switch
SW301
+5V
-4 -1
-1 -4
S9
-2 -3
-3 -2
J25 J23
ADF controller PCB
+5V
-2 -4 J14-B1
Reference signal for
-5 -1 -B4
TNSAJ
paper detection
-4 -2 -B3
TNS
-3 -3 -B2 When paper is present, '0'.
J144
+5V
-1 -8 -1 J13-8
Reference signal for
-6 -3 -6 -3
RGBSAJ paper detection
-5 -4 -5 -4
RGBS
When paper is present, '0'.
Reference signal for
-4 -5 -4 -5
RGASAJ
paper detection
-3 -6 -3 -6
RGAS
-2 -7 -2 -7
When paper is present, '0'.
J132
+5V
-6 -1 J13-14
Reference signal for
-1 -6 -9
SPSAJ
paper detection
-2 -5 -10
SPS
When paper is present, '0'.
Reference signal for
-3 -4 -11
SKSAJ
paper detection
-4 -3 -12
SKS
-5 -2 -13
When paper is present, '0'.
J131
-2 -7 J13-2
DTS When paper is present, '0'.
-1 -8 -1
J132
Light intensity adjustment
-1 -3 J14-A1
DTSAJ
-2 -2
-A2 signal
J140
+5V
+5V
Light intensity adjustment
-2 J5-12
signal
-5 -9
TAILSAJ
-4 -10 When paper is present, '1'.
TAILS
Light intensity adjustment
signal
-3 -11
When paper is present, '1'.
-8 J5-6
SSW-0
-9 -5
SSW-1
-10 -4
Signal according to
SSW-2
-11 -3
SSW-3
paper width
-12 -2
SSW-4
-13 -1
J51
+5V
J2-4
-7 -4 -9
Reference signal for
-4 -7 -6 -7
MFRGSAJ
paper detection
-5 -6 -7 -6
MFRGS
When paper is present, '0'.
-6 -5 -8 -5
J21
F-2-3
Chapter 2
2-3