
Appendix Contents
Feeder board circuit diagram (PF-80) ......................................................................................................A-3
Feeder board circuit diagram (PF-81) ......................................................................................................A-4

15
+
R939
C942
+24VAGND FG
R941
C920
FG
R940
C919
FG
R942
C921
FG
O2PCTL
OPSRDD1
OPSCLK
OPSLD
+24VAGND
+24VA
56789
101112PFMSET1
OPSRDD0
CN901
+5VB
+5VBGND
O1PCTL
123
4
OPMCTL
CN902
+24VANC+24VAS
123
4
NC
L901
C901
0.1µ/25V
C902
47µ/6.3V
C922
47µ/6.3V
C923
0.1µ/25V
C924
47µ/6.3V
C925
0.1µ/25V
+
+
L902
+
C903
0.1µ/50V
C904
47µ/35V
R946
C929
+
C905
4.7µ/35V
L903
+24VAS
C906
0.1µ/50V
R947
R909
47k
R910
8.2k
C907
D901
5.5V
IC901
56
IC901
98
R943
C926
R901
15k
R944
C927
R902
15k
R945
C928
R903
15k
IC901
34
IC901
11 10
IC901
12
IC901
13 12
IC902
65
R904
2.2k
R905
2.2k
R906
1.5k
IC903
56
IC902
43
R907
1.5k
IC903
34
R908
15k
IC903
12
D906
+
R948
10k
D904
C943
10µ
D907
R949
10k
D905
C944
10µ
+
X901
R938
IC906
34
1M
547KHz
56
C908
100p
C909
100p
IC907
10
CLK
Q1
Q4
Q3
Q2
Q5
Q8
Q7
Q6
Q9
Q12
Q11
Q10
9
5
6
7
3
13
4
2
12
1
15
14
CLR
11
R937
1k
+
IC903
13 12
IC903
11 10
IC903
98
C916
47µ/6.3V
12
13
11
IC908
1
2
3
9
10
8
4
5
6
+5VB +24VAS
+5VBGND +24VAGND
ICP901
CN905
+
C914
100µ/35V
+24VAS
A
B
+24VASAB
1
7
12
11
18
8
OUTBN
OUTB
OUTA
OUTAN
IC911
4
A
A
B
B
+5V
R929
47k
C910
470p
R930
47k
C911
470p
9
31410
C913
1000p
R932
2.2/1W
C912
1000p
R931
2.2/1W
R933
2.2k
R934
2.2k
R935 1k
+5V
R936 180
Q903
13
11
12
IC910
J902
2
3
1
10
IC909
8
9
13
11
12
4
IC909
6
5
1
3
2
SOL901
1
2
+24VAS
D902
Q901
C917
R926
1k
R925
1k
SOL902
1
2
+24VAS
D903
Q902
C918
R928
1k
R927
1k
OP1PSZ0 5
6+5VBGND
PIPWR(1)
OP1PEMP
OP1PSZ1
123
4
OP1PSZ2
CN906
SW901
SW902
SW903
FG
OP2PSZ0 5
6+5VBGND
PIPWR(2)
OP2PEMP
OP2PSZ1
123
4
OP2PSZ2
CN907
SW904
SW905
SW906
FG
A
B
D
C
IC904
J955
100
E
F
H
G
SI
INH
CLK
SH/LD
CLR
9
QH
A
B
D
C
IC905
E
F
H
G
SI
INH
CLK
SH/LD
CLR
9
QH
C915
27p
13
13
OP2PNOT
R924
4.7k
R923
180
PI902
OP1PNOT
R917
4.7k
R916
180
PI901
4.7k x 4
R912
R913
R914
R915
4.7k x 4
R919
R920
R921
R922
R911
180
CN903
R918
180
CN904
IC910
4
5
9
10
6
8
1
9
11
13
2
8
10
12
IC906
6
5
17
16
2
13
J1
PIPWR(1)
OP1PEMP
OP1PSZ1
123
4
OP1PSZ2
+5VBGND
5
6
OP1PSZ0
123
4
5
6
PIPWR(2)
OP2PEMP
OP2PSZ1
OP2PSZ2
+5VBGND
OP2PSZ0
51234
6
PR
DQ
Q
CLR
PR
DQ
Q
CLR
2
3
4
5
10
11
12
14
1
7
6
15
2
3
4
5
10
11
12
14
1
7
6
15
Feed motor
Paper empty sensor (B)
Paper empty sensor (A)
Pickup solenoid
Pickup solenoid
Tray sensor board (A) Tray sensor board (B)
Feeder board circuit diagram (PF-80)
A-3
PF-80/PF-81

Feeder board circuit diagram (PF-81)
15
+
R939
C942
+24VAGND FG
R941
C920
FG
R940
C919
FG
R967
C954
FG
R968
C955
FG
R942
C921
FG
O2PCTL
OPSRDD1
OPSCLK
OPSLD
+24VAGND
+24VA
56789
101112PFMSET1
OPSRDD0
CN901
+5VB
+5VBGND
O1PCTL
123
4
OPMCTL
CN902
+24VANC+24VAS
123
4
NC
L901
C901
0.1µ/25V
C902
47µ/6.3V
C922
47µ/6.3V
C923
0.1µ/25V
C924
47µ/6.3V
C925
0.1µ/25V
+
+
L902
+
C903
0.1µ/50V
C904
47µ/35V
R946
C929
+
C905
4.7µ/35V
L903
+24VAS
C906
0.1µ/50V
R947
R909
47k
R910
8.2k
C907
D901
5.5V
IC901
HC14
IC901
HC14
IC901
HC14
IC901
HC14
IC901
HC14
IC901
HC14
56
98
R943
C926
R901
15k
R944
C927
R902
15k
R945
C928
R903
15k
341110
1 2 13 12
IC902
7406
IC902
7406
65
R904
2.2k
R905
2.2k
R906
1.5k
IC903
HC14
IC903
HC14
IC903
HC14
56
43
R907
1.5k
34
R908
15k
12
+
R948
10k
D904
C943
10µ
R949
10k
D905
C944
10µ
+
R937
1k
R962
330
+
13 12 11 10 9 8
C916
47µ/6.3V
+5VB +24VAS
+5VBGND +24VAGND
ICP901
CN905
+
C914
100µ/35V
+24VAS
A
B
+24VAS
A
B
1
7
12
11
18
8
OUTBN
OUTB
OUTA
OUTAN
IC911
SLA7024
4
A
A
B
B
+5V
R929
47k
C910
470p
R930
47k
C911
470p
9
31410
C913
1000p
R932
2.2/1W
C912
1000p
R931
2.2/1W
R933
2.2k
R934
2.2k
R972
680
R972
680
R935 1k
+5V
R936 270
Q903
13
11
12
IC910
HC86
J902
2
3
1
10
IC909
HC74
8
9
13
11
12
4
IC909
HC74
D908
D909
6
5
1
3
2
SOL901
1
2
+24VAS
D902
D911
D912
Q901
C917
R926
1k
R925
1k
SOL902
1
2
+24VAS
D903
Q902
C918
R928
1k
R927
1k
OP1PSZ0 5
6+5VBGND
PIPWR(1)
OP1PEMP
OP1PSZ1
123
4
OP1PSZ2
CN906
SW901
SW902
SW903
FG
OP2PSZ0 5
6+5VBGND
PIPWR(2)
OP2PEMP
OP2PSZ1
123
4
OP2PSZ2
CN907
SW904
SW905
SW906
FG
A
B
D
C
IC904
HC166
R960
470
E
F
H
G
SI
INH
CLK
SH/LD
CLR
9
QH
A
B
D
C
IC905
HC166
E
F
H
G
SI
INH
CLK
SH/LD
CLR
9
QH
C915
27p
13
13
OP2PNOT
R924
4.7k
R923
180
PI902
OP1PNOT
R917
4.7k
R916
180
PI901
4.7k x 4
R912
R913
R914
R915
4.7k x 4
R919
R920
R921
R922
R911
180
CN903
R918
180
CN904
IC910
4
5
9
10
6
8
1
9
11
13
2
8
10
12
IC906
6
5
17
16
2
13
J1
PIPWR(1)
OP1PEMP
OP1PSZ1
123
4
OP1PSZ2
+5VBGND
5
6
OP1PSZ0
123
4
5
6
PIPWR(2)
OP2PEMP
OP2PSZ1
OP2PSZ2
+5VBGND
OP2PSZ0
51234
6
PR
DQ
Q
CLR
PR
DQ
Q
CLR
2
3
4
5
10
11
12
14
1
7
6
15
2
3
4
5
10
11
12
14
1
7
6
15
Feed motor
Paper empty sensor (B)
Paper empty sensor (A)
Pickup solenoid
Pickup solenoid
Tray sensor board (A) Tray sensor board (B)
IC903
HC14
IC903
HC14
IC903
HC14
C939
+
C953
0.1µ
C952
0.1µ
R969
680
R970
680
D906
D907
C950
C951
D910
PF-80/PF-81
A-4