A V D D
R X D
V D D 1
V D D 2
V D D 3
D G N D 1
V A A 1
V A A 2 L
S R 4 I N
S R 3 O U T
S A 1 C L K
S R 3 I N
T X D A T
I A 1 C L K
T S T R O B E
T M O D E
S R 1 I O
R M O D E
/ R E S E T
R S 1
D 0
R S 0
Y C L K
X C L K
D G N D 2
D G N D 3
G P O 0
2 5
3 5
4 5
8 2
8 3
8 7
9 0
8 6
2 3
8 8
1 8
7 2
4 7
7 1
6
5 8
7 7
1 6
6 7
9 3
9 2
9 6
9 9
1 0 0
1 4
1 3
1 2
1 1
1 0
9
8
7
5
4
2
1
7 8
6 8
5 3
5 2
7 6
7 5
5 5
5 6
3 0
4 3
8 4
6 1
6 6
5 9
6 0
2 1
9 7
8 1
S 0 V
R F X 1 4 4
+ 5 V
C 7
1 0 V
/ 1 0
C L K I N
I A C L K
4 8
5 0
7 3
7 4
C 6
1 0 V
/ 1 0
C 8 3
C C 1 0 4
C 8 4
C C 1 0 4
R 1 6 9
2 2 K
R 6 5
0
R 6 4
P 1 7
S H O R T - 2
# 7
R 6 7
R 6 6
0
R 7 1
4 . 7 K
+ 5 V
S O V
L 6
0
M 5 V
M O V
A R E F
R 1 6 6
2 7 K
R 1 0 4
5 6 K
C 8 5
C C 1 0 4
-
+
# 8
K I 3 2 4
C 1 0 0
C C 1 0 4
R 1 0 6
6 8 K
C 9 9
C C 1 0 2
R 1 0 5
6 8 K
R 6 2
0
1
2
3
-
+
# 8
K I 3 2 4
6
5
7
R 9 8
6 8 K
/ C T S
D C L K
/ R L S D
/ R T S
T X D
D 1
D 2
D 3
D 4
D 5
D 6
D 7
C 7 6
C C 1 0 4
C 7 5
C C 1 0 4
+ 5 V
R S 2
R S 3
R S 4
/ I R Q 2
/ I R Q 1
/ R E A D
/ C S
3
1 5
/ W R I T E
8 0
D G N D 4
D G N D 5
D G N D A 1
D G N D A 2
D G N D A 3
E Y E S Y N C
E Y E C L K
8 5
E Y E X Y
8 9
X T L I
X T L O
M 0 V
S 0 V
R 1 2 3
2 2 K
A 1
A 5
R D
L W R
M C E
N C
N C
A 4
A 3
A 2
T R E S E T
2 0
2 4
R X O U T
1 9
S R 4 O U T
1 7
7 9
3 6
/ P O R
4 6
/ S L E E P
/ O H
/ T A L K
R I N
T X A 1
T X A 2
S P K R
2 6
3 8
2 8
2 9
4 4
V R E F
V C
G P I 0
4 0
3 9
9 5
9 8
5 4
5 7
7 0
6 9
6 5
6 4
6 3
6 2
9 4
G P I 1
G P I 2
G P I 3
G P I 4
G P I 5
G P I 6
G P I 7
G P O 1
G P O 2
G P O 3
G P O 4
G P O 5
G P O 6
G P O 7
/ E N 8 5
A G N D 1
3 7
2 7
A G N D 2
S 0 V
S 0 V
C 5 9
1 0 p F
C 5 8
1 0 p F
C 5 7
3 3 p F
L 2
2 . 2 U H
X T 3
+ 5 V
M 0 V
R 1 6 8
0
C 6 5
C C 1 0 4
C 1 3 5
1 0 0
F / 1 0 V
G P I 0
G P I 1
G P I 2
M 0 V
R 9 9
5 6 K
C 9 4
C C 1 0 4
A R E F
R 1 6 5
6 8 K
C 9 6
C C 1 0 4
M 0 V
R 9 7
4 . 7 K
R 1 0 7
4 . 7 K
S 0 V
R 1 6 7
2 2 0 K
R 7 0
4 . 7 K
M 5 V
M 0 V
A R E F
C 8 6
C C 1 0 4
R 5 1
1 0 0
*
*
*
*
*
+ 5 V
G P I 0
G P I 1
G P I 2
M S L
V O L 1
V O L 2
M R S T
D B U S
M I N T
A B U S
S 0 V
7 4 C
7 4 B
7 4 B
7 4 C
R R N G
R I N
S P O N
S 0 V
T X O
M 0 V
D 9
H Z 5 . 1 B
*
+ 5 V
*
S O V
4 4 C
4 4 C
4 4 C
7 5 C
7 5 D
7 4 B
4 5 C
4 5 C
4 5 C
1 3 A
1 2 B
1 2 B
1 1 B
1 3 A
A
B
1
2
3
C
D
1
2
3
5
6
A
B
C
D
6
4
4
5
MAIN 4/8
FAX3550/3650/8000P/8200P
MFC4550/6550MC/7550MC
MFC9000/9500
A
Summary of Contents for MFC 4550
Page 5: ...CHAPTER I GENERAL DESCRIPTION ...
Page 14: ...CHAPTER II INSTALLATION ...
Page 15: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Page 18: ...CHAPTER III THEORY OF OPERATION ...
Page 49: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 81: ...CHAPTER V MAINTENANCE MODE ...
Page 89: ...V 7 Scanning Compensation Data List 200 dpi ...
Page 133: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Page 163: ...MAIN 8 8 FAX3550 3650 8000P 8200P MFC4550 6550MC 7550MC MFC9000 9500 A ...
Page 185: ...D CONTROL PANEL 1 2 ...
Page 187: ...E POWER SUPPLY 120 V Low voltage power supply ...
Page 188: ...E POWER SUPPLY 200 240 V Low voltage power supply European versions ...
Page 189: ...E POWER SUPPLY 200 240 V Low voltage power supply Asian versions ...
Page 190: ...E POWER SUPPLY High voltage power supply ...
Page 191: ...Sept 98 5X52012 Printed in Japan ...