L I N E
E
M
B
C
-
1
2
4
A - O U T
7
3
1
3
6
4
R D P S
D A S N D
-
+
R L 2
P L S
3
6
4
+ 2 4 V
+ 5 V
S 0 V
1
2
4
3
S 0 V
5
6
T E L O F F
1
R E F
P O L
F G
4
3
1
2
+
M
B
C
M
B
C
C
B
M
E
S 0 V
R E F
C M L
S 0 V
T E L O F F
C M L
2
S 0 V
C N 3
4 - 4 P M J
+ 5 V
+
-
R E F
S O V
S 0 V
R E F
4
1 1
+ 5 V
S 0 V
E
T E L R L
R L 1
+ 5 V
S 0 V
-
+
+
-
E A R T H
-
+
R E F
4
1
4
1
R D P S
S 0 V
S 0 V
3
3
2
2
3
2
4
1
P L S
1
1 2
D A S T
C H 2
D
G
S
D A S N D
-
+
S 0 V
A - O U T
A D L C
+ 5 V
S 0 V
S 0 V
-
+
+ 5 V
1
2
4
3
1
2
4
3
R E F
S 0 V
R E F
E A R T H
S 0 V
S P 6
(
)
L 9
L 8
L 1 0
L 6
L 7
L 5
L 2
F L 5 R 2 0 0 P N
X 2
F L 5 R 2 0 0 P N
F L 5 R 2 0 0 P N
X 2
S P 1
S P 5
J P 9 ( C )
(
)
(
)
(
)
J W 9
( 5 )
J W
2 5
J P 8
( C )
(
)
S
J P 7 ( C )
J W 1 2
( 1 0 )
J W 6 ( 5 )
J W 5
( 1 0 )
J W 2 0
( 5 )
J P 4
( C )
R 1 3
3 . 9
K F
Z D 1
Z D 2
J W 7 ( 5 )
J P 1 ( C )
+ 5 V ; J W 8 ( 5 ) , J W 1 5 ( 5 ) , J W 1 7 ( 1 0 ) , J W 2 9 ( 1 0 )
S 0 V ; J W 3 ( 5 ) , J W 4 ( 1 0 ) , J W 1 8 ( 1 0 ) , J W 2 6 ( 5 ) ,
J W 2 8 ( 5 ) , J P 3 ( C ) , J P 1 0 ( C )
+ 2 4 V ; J W 2 7 ( 1 0 ) , J W 3 1 ( 1 0 ) , J P 1 2 ( C )
R E F ; J W 1 ( 5 ) , J W 2 ( 5 ) , J W 1 1 ( 1 0 ) , J W 1 4 ( 5 ) ,
J P 2 ( C ) , J P 5 ( C )
S I G N A L ; J W 2 1 ( 5 ) , J W 2 2 ( 1 0 ) , J W 2 3 ( 1 0 ) , J W 2 4 ( 1 0 )
(
)
( 1 0 )
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
+ 5 V
D A S T
S 0 V
J W 1 3
( 1 0 )
D 1
1 S S 1 2 0
R E F
T E L R L
D A S T
(
)
1
4
2
3
S 0 V
+ 5 V
Q 7
5
R 6 0
R E F
S 0 V
S 0 V
S 0 V
+ 5 V
( P 1 )
1
2
3
1 0
1 1
8
1 2
7
6
1
2
3
5
9
4
( P 1 )
( P 1 )
( P 1 )
( P 1 )
( P 1 )
( P 2 )
( P 2 )
( P 2 )
( P 2 )
( P 1 )
( P 1 )
( P 1 )
( P 2 )
( P 1 )
( P 2 )
( P 1 )
( P 1 )
R E F
S P 8
J W 1 9
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
A
B
1
2
3
C
D
1
2
3
5
6
A
B
C
D
6
4
4
5
C
NCU PCB
(Belgium/Netherlands)
Summary of Contents for FAX-8650P
Page 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL FAX3750 FAX 8650P MFC7750 ...
Page 5: ...CHAPTER I GENERAL DESCRIPTION ...
Page 12: ...CHAPTER II INSTALLATION ...
Page 13: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Page 16: ...CHAPTER III THEORY OF OPERATION ...
Page 18: ...III 1 1 OVERVIEW Not provided on the FAX 8650P ...
Page 28: ...III 11 Not provided on the FAX 8650P Location of Sensors and Actuators ...
Page 31: ...III 14 Main PCB Modem PCB ...
Page 36: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 42: ...IV 4 n n Disassembly Order Flow ...
Page 71: ...IV 33 1 Provided on the FAX 8650P 2 Not provided on the FAX 8650P ...
Page 72: ...IV 34 Setting up the main PCB after replacement ...
Page 84: ...IV 46 2 Control panel locks 3 Scanner frame ASSY and separation roller gear ...
Page 85: ...IV 47 4 Top cover lock spring 5 Gear drive unit ...
Page 86: ...CHAPTER V MAINTENANCE MODE ...
Page 93: ...V 6 Scanning Compensation Data List ...
Page 141: ...V 54 FAX3750 FAX 8650P MFC7750 Key Button Entry Order ...
Page 146: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Page 171: ...Oct 98 SM5X5303 Printed in Japan ...
Page 172: ...FAX3750 FAX 8650P MFC7750 Appendix 1 EEPROM Customizing Codes ...
Page 194: ......
Page 195: ......
Page 196: ......
