Canon DADF-G1 Service Manual page 21

CHAPTER 2 OPERATIONS AND TIMING
1.3.2 Inputs to the DADF Controller PCB (2/2)
Reversal sensor
Feed motor
clock sensor
Belt motor
S10
clock sensor
Registration roller
S11
clock sensor
Delivery motor
S13
clock sensor
Indicator PCB
Recirculation
S14
sensor
Original width
VR
detecting volume
2-4
3
1
S8
2
1
2
S9
3
1
2
3
1
2
3
1
2
3
COPYRIGHT© 2000 CANON INC.
+5V
J209
1 3 J9-A7
3 1 -A9
TLIRNS When original is detected,
2 2 -A8
+5V
J9-A12
-A11
FCLK
-A10
+5V
J9-B5
-B4
BCLK1
-B3
+5V
J5-4
-5
RCLK
-6
+5V
J219
3 4 J14-3
2 5 -2
ECLK
1 6 -1
+5V
J101-3 J8-3
-2 -2
RSS
-1 -1
+5V
J218
3 1 J8-7
2 2 -8 WIDTH
(analog signal)
1 3 -9
F02-103-02
DADF controller PCB
'1'.
(light-blocking plate is at
sensor)
While feed motor is rotating,
alternately '1' and '0'.
While feed motor is rotating,
alternately '1' and '0'.
While feed motor is rotating,
alternately '1' and '0'.
While delivery motor is
rotating,
alternately '1' and '0'.
When recirculating lever is
placed on topmost original,
'1'.
Detects width of original
placed on original tray.
CANON DADF-G1 REV.0 OCT. 2000