Canon SADDLE FINISHER K3 Service Manual page 39

CHAPTER 2 OPERATION OVERVIEW
1.3.6 Inputs to the Finisher Controller PCB (folder-related)
PI71
J1085-3
Folder set
sensor
PI72
J1086-3
Upper cover
open/closed
sensor
Folding path
PI73
J1105-3
residual
paper
sensor 1
PI74
J1060-3
Feed path
paper
sensor 4
Folding path
PI75
J1101-3
residual
paper
sensor 3
PI76
J1097-3
Feed path
paper
sensor 1
Folding path
PI77
J1057-3
residual
paper
sensor 2
J1103-5
Feeding
path paper
sensor 2
(S7)
Feeding
path paper
sensor 3
(light-
emitting;
S8)
Feeding
path paper
sensor 3
(light-
receiving;
S8)
2-8
COPYRIGHT© 2001 CANON INC.
-1
-2
-1
-3
-3
-1 -1
-2
-2 -2
Folder driver PCB
+5V
-3
-1 J794-1
-1 -3 -1 -3
-2 -2
-2 -2
+5V
J795-1
When paper
-1 -3
HPD
-2
-2 is over the
sensor, '1'.
+5V
J794-7
-1 -3
-1 -9
-1
-3
-2
-8
-2 -2
+5V
-6
-1 J797-1
-1 -4
-3 -3
-2
-2 -5
-2
+5V
-3
-4 J797-4
When paper
-1 -6 -1
-6
FPD2
is over the
-2
-5 -2
-5
sensor, '1'.
+5V
J794-4
-4
-1
-4
-5
-2 -3
-3 -6
-2
-3
+5V
J796-1
J1098-1
-2
-2
J1094-2 J798-4
-1 -3
F02-103-06
2000 2000 2000 2000
-4
-7
J122B-4
-6
-5
-5
-6
-1
-10
J122B-1
-3
-8
-2 -9
J122B
J792B
-4 -7 -4 -4
-7
J792A-1 J122A-6
-4
J792B
J122B
-3 -8 -3 -3
-8
J792A J122A
-7 -7
-3 -8 -3
J792A-1 J122A-6
-4
J792A
J122A
-8 -2 -9 -8
-2
Amplification
circuit
J792B
J122B
-2 -9 -2 -2
-9
Amplification
circuit
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
Finisher controller PCB
+5V
-6
When the folder is
FSET
-5
set, '1'.
+5V
-3
When the paper
FUCO
-2
cover is closed, '1'.
-7
When paper is over
FPD1
the sensor, '1'.
-9
Feeding path paper
sensor 4 signal received.
(serial communication)
-8
When paper is over
FPD3
the sensor, '1'.
-3
When paper is over
F-DP1
the sensor, '1'.
-9
Folding path residual paper
sensor 2 signal received.
(serial communication)
When paper is over
-2
F-S2D
the sensor, '1'.
When paper is over
-9
DP3
the sensor, '1'.