D A R E F H
V D D
V D D
V D D
T E M P
A T A P
A P 2
A P 3
T R I G
M T P
S D / P D 7
P D 6
P D 5
P D 1
D 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
A 0
A 2
A 3
A 4
A G N D
A G N D
A V D D
4 2
4 0
4 1
3 5
3 4
3 1
4 3
1 0
2 4
5 6
9
1 7
2 6
4 9
6 4
4 7
4 8
5 0
5 4
5 9
3 6
4 6
2 0
1 8
1 6
1 5
8
7
6
5
4
3
2
1
R 0 V
R 5 V
R 0 V
* # 6
1 1
1 2
A 5
A 6
A 7
A 8
1 4
1 3
1 9
A 1
P D 4
P D 3
P D 2
5 1
5 2
5 3
S A M P
R S
3 3
6 2
S H
C L K 1
6 3
6 1
C L K 2
6 0
P D 0
5 5
D A C K
5 7
D R E Q
5 8
+ 5 V
3 0
2 9
2 8
2 7
2 3
2 2
2 1
2 5
3 2
I C L K
I O C S
M C S
I O E
M E
R D
W R
C L K I N
R E S E T
3 9
D A R E F L
A I N
3 8
4 5
4 4
A P 0
A P 1
3 7
A D R E F L
3 2 B
R 0 V
C 7 1
C C 1 0 4
C 7 3
C C 1 0 4
C 7 0
C C 1 0 4
C 8 0
C C 1 0 4
1 0
R 5 9
2 0 0
R 5 8
3 0 0
C 6 9
C C 1 0 4
C 7 2
C C 1 0 4
A 8
A 5
A 6
A 7
D 7
D 0
D 1
D 2
D 3
D 4
D 5
D 6
G N D
S 0 V
A 4
A 0
A 2
A 3
A 1
R 5 V
L C 8 2 1 0 2 / 1 0 3
C 6 7
C C 1 0 4
G N D
G N D
G N D
G N D
D B U S
S 0 V
+ 5 V
R 3 1
2 2 K
R 3 0
2 2 K
1 3 B
P D
A B U S
S 0 V
R S
1 1 C
C L K 2 4
L W R
T G
A P 0
A 1 0
1 3 B
1 2 B
1 3 B
A 9
* R 5 6
0
R 5 5
*
C S I P
1 3 B
R D
1 2 B
S M P C
1 3 A
S 0 V
+ 5 V
R 6 3
S A 1 2
3 3 B
1 6 V /
R 0 V
R 6 0
1 0 0
R 6 1
1 0 0
R 5 7
3 0 0
R 5 V
V I D
R 7 4
0
+ 5 V
R 5 V
R 0 V
C 7 9
1 0 4
1 6 V /
C 4
1 0
C 3
C 7 8
*
R 0 V
A P 0
3 5 B
S E N S
P 4
+ 2 4 V
L 4
B L M 1 1 A 2 0
3
3
2
1
2 4 R E T
1
L E D
1 4 C
Q 1 7
D T D 1 1 3 Z K
* R 7 5
2 0 0
1 3 B
* R 7 9
L L 1 2 1
1 3 B
* R 7 6
1 3 B
* R 7 8
2 0 0
1 3 B
* R 7 7
2 0 0
1 3 B
8
1 0
9
7
S H
R B
C L 2
C L 1
T G
R 5 V
R 0 V
3 5 B
R 5 V
4
6
5
1 1
2
+ 5 V
R 7 3
2 2 K
R 6 8
2 2 K
C 7 7
C C 1 0 2
C 8 2
C C 1 0 2
S 0 V
R 7 2
1 K
R 6 9
1 K
F S E N
R S E N
1 4 A
1 4 A
5
1
3
2
4
B 5 B - P H
P 5
+ 5 V
L 5
B L M 1 1 A 2 0
C 1 1 4
C C 1 0 2
S 0 V
C 1 1 5
C C 1 0 2
C 1 1 6
C C 1 0 1
C 1 1 7
C C 1 0 2
R 1 2 5
4 . 7 K
S 0 V
R 1 2 6
1 0 0
R 1 2 7
1 0 0
P C L K
S D O U T
S D I N
1 3 A
1 3 A
1 3 A
P A N E L
D 4
1 S S 1 3 3
V I D
B 1 1 B - P H
C 3 1
C C 1 0 2
C 6 8
C C 1 0 4
2 2 K
+ 5 V
A 1 1
R 1 7 1
1 K
R 1 7
0
(
)
S A M P
( 1 6 D )
R 1 6
0
R 1 8 8
1 K
R O V
C 8 1
C C 1 0 4
R 0 V
2 4 R E T
C 1 3 7
C C 1 0 2
2 4 R E T
R 1 9 9
1 K
C 1 3 9
C C 1 0 2
*
*
M F C 7 6 5 0
R 2 0 2
1 5 0
A
B
1
2
3
C
D
1
2
3
5
6
A
B
C
D
6
4
4
5
A
MAIN 3/8
MFC4550plus/7650MC
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 ...