5
R E F
4
S 0 V
R A 3 5 1 x 2
+ 2 6 V
S 0 V
+ 5 V
8
4
S 0 V
6
3
1
4
2
1
R E F
4
3
4
3
S 0 V
+ 2 6 V
C M L
C R 1
M Z F - 2 4 H G
o r
O U A Z - S S - 1 2 4 D
F G
+ 5 V
4
2
5
3
4
3
1
2
P L S
S 0 V
+
-
2
1
4
3
S 0 V
R L 2
2
1
4
3
T E L O F F
R E F
4
5
C I
S 0 V
S 0 V
N C U S L
S 0 V
+ 2 6
C M L
R L 2
C I
T E L O F F
P L S
T E L R L
R L 1
T E L S L
S 0 V
F G
F G
+ 5 V
+ 5 V
R E F
o r
B A 1 0 3 5 8
S B T 0 2 6 0 x 2
o r
F L 5 R 2 0 0 P N x 2
o r
D L - 6 5 0 3 C x 2
S B T 0 2 6 0
o r
F L 5 R 2 0 0 P N
o r
D L - 6 5 0 3 C
0
C 9
S B T 0 2 6 0 x 2
o r
F L 5 R 2 0 0 P N x 2
o r
D L - 6 5 0 3 C x 2
4 - 4 P M J
T E L S L
4
3
2
S 0 V
S 0 V
+ 5 V
C
E
B
T E L R L
1
S B T 0 2 6 0 x 4
o r
F L 5 R 2 0 0 P N x 4
o r
D L - 6 5 0 3 C x 4
3 . C O M P O N E N T S
I N
P A R E N T H E S I S
N O T
T O
B E
M O U N T E D .
A
B
1
2
3
C
D
1
2
3
5
6
A
B
C
D
6
4
4
5
B
NCU PCB
(U.S.A./Canada)
Summary of Contents for MFC-7050C
Page 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL MFC7050C ...
Page 4: ...CHAPTER I GENERAL DESCRIPTION ...
Page 10: ...CHAPTER II INSTALLATION ...
Page 11: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Page 14: ...CHAPTER III THEORY OF OPERATION ...
Page 16: ...III 1 1 OVERVIEW ...
Page 27: ...III 12 Location of Sensors and Actuators ...
Page 30: ...III 15 ...
Page 35: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 41: ...IV 4 n n Disassembly Order Flow ...
Page 93: ...IV 56 1 33 Ink Foam 1 Take up the ink foam from the lower cover ...
Page 94: ...IV 57 1 34 Harness Routing ...
Page 96: ...IV 59 2 Control panel locks 3 Scanner frame ASSY and separation roller gear ...
Page 97: ...IV 60 4 Top cover lock spring 5 Gear plate ASSY ...
Page 98: ...IV 61 6 Hinges 7 Frame chassis ASSY ...
Page 99: ...IV 62 8 Idle pulley holder 9 Maintenance ASSY ...
Page 100: ...IV 63 10 Exit roller ASSY 11 Large feed roller ASSY ...
Page 101: ...CHAPTER V MAINTENANCE MODE ...
Page 108: ...V 6 Scanning Compensation Data List ...
Page 123: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Page 135: ...May 99 SM8XD115 Printed in Japan ...
Page 136: ...MFC7050C Appendix 1 EEPROM Customizing Codes ...
Page 153: ...E Power Supply PCB ...