S0V
EXT
R2
22k
1/4W
R1
330
CN1
B2B-PH-K-E
1 La
2 Lb
+30V
CR1
ATXD204(TXD2-24V)
9
1
12
10
8
4
3
5
+30V
L6
DL-6503C
L5
DL-6503C
CN4
R41-4910-C
1
S
2
Ta
3
La
4
Lb
5
Tb
6
E
7
FG
8
FG
EXT
L1 DRL-0033PF
L4
DRL-0033PF
CN5
MJ-62J-RD315
3
Ta
4
Tb
7
FG
8
FG
C6
C102
KY
FG
C1
C102
KY
C2
C102
KY
POL
CN2
B2B-PH-K-Y
1 POL
2 S0V
S0V
POL
CN3
B2B-PH-K-K
1 +30V
2 EXT
SW1
A5X-G-24E
1
2
12
11
7
D3
KU10S31N
C8
C473
C4
C153
D1
1SS120
C7
C682
C3
C153
JW3
JW2
C5
C474
L2
DL-6503C
S0V
JW1
D2
1SS120
JW4
L3
0
PH1
TLP629
A
K
E
C
to
MAIN
SDAA
to Main PCB
to
Line
to
EXT
A. MJ PCB
(U.S.A., Canadian and Asian models)
Confidential
Summary of Contents for FAX 1840C
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC3340CN 3240C FAX1940CN 1840C 1835C ...
Page 9: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 18: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 91: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 96: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 167: ...5 69 Confidential Viewed from the left ...
Page 171: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 191: ...6 18 Confidential Vertical Alignment Check Patterns ...
Page 193: ...6 20 Confidential Margin Check Pattern ...
Page 202: ...Confidential CHAPTER 7 CLEANING ...
Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 216: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...
Page 236: ...8 29 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...
Page 239: ...8 32 Confidential Margin Check Pattern ...
Page 249: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 253: ...9 2 Confidential ...
Page 254: ...9 3 Confidential ...
Page 371: ...B Power Supply PCB U S A and Canadian models Confidential ...
Page 372: ...B Power Supply PCB European and Asian models Confidential ...
Page 401: ...Confidential February 05 SM FAX032 8XA901 5 Printed in Japan ...