A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2A3/4
Main PCB
6
/
9
3-7-22
CN1
–4
TLS
CN1
–3
TLDS
CN1
–32
PFM LOCK
CN1
–19
EHUMSENS
CN1
–18
ETTH
CN1
–8
FTH
CN10
–5
R474
C273
S
13
12
G
R475
IC61
A22S
INT SCC2
IPC SET
_BD
MACK ENG
C264
R460
R459
R452
R453
R455
R437
R435
R434
C255
_WR S
_WR S
R433
XT8
C256
L201
C265
IC64
C257
_RD S
LD
DACLK
DI
_RD S
_RES ENG
1
2
3
4
8
7
6
5
RA100
EXBV8V101J
_RES I/O
_WAIT S
_RES SCC2
_RES VTC
EACK MAIN
R451
2
3
1
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
P95
P94
AN0
A22
A21
A20
P90
P67/TB2in
P66/TB1in
P65/TB0in
INT2
IC66
INT1
INT0
P61/TA4in
P60/TA4out
P57/TA3in
P56/TA3out
P55/TA2in
P54/TA2out
RTPC3
RTPC2
RTPC1
RTPC0
P47
P46
P45
P44
32
33
31
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
BYTE
CNVss
_HOL
D
_RESET
Xin
Xout
_RD
Vss
Vcc
_HL
DA
ALE
_BHE
_WR
P1
17
P1
16
P1
15
P1
14
P1
13
P1
12
99
98
100
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
AN3
AN4
AN2
AN1
P75
P76
P77
Vss
A
Vss
V
ref
A
Vcc
Vcc
DA0
CLK0
P82
T
×
D0
DA1
P85
P86
P87
P43
1
79
78
80
77
2
3
RA93
1
4
7
6
8
5
A1S
A2S
A0S
A3S
2
3
RA94
1
4
7
6
8
5
A5S
A6S
A4S
A7S
2
3
RA95
1
4
7
6
8
5
A9S
A10S
A8S
A11S
2
3
RA96
R351
R469
R470
R472
R439
R440
R438
IC73
IC62
1
4
7
6
8
5
A13S
A14S
A12S
A15S
2
3
RA97
1
4
7
6
8
1
6
4
4
12
5
IC62
8
10
9
IC62
11
13
12
IC65
TR23
4
1
1
2
3
1B
E
2B
1C
2C
5
4
2
R471
IC62
3
S G
S G
1
2
S
3
2
A
IC59
C
B
3
1
2
C
A
B
G1
_G2B
_G2A
6
5
4
G1
_G2B
_G2A
5
6
4
5
A17S
A18S
A16S
A15S
A17S
A16S
A19S
A18S
A19S
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
8
7
6
5
8
7
6
5
AD0S
AD1S
AD2S
AD3S
AD4S
AD5S
AD6S
AD7S
1
2
3
RA98
RA99
4
1
2
3
4
52
51
A1
A2
A0
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
DCS
15
14
13
12
11
10
9
7
_Y0
_Y1
_Y2
_Y3
_Y4
_Y5
_Y6
_Y7
IC67
R441
R442
R443
R444
R445
R446
R496
A22S
A21S
A20S
7
9
10
11
12
13
14
15
_Y7
_Y6
_Y5
_Y4
_Y3
_Y2
_Y1
_IPC
_682
C271
C272
S G
L200
R465
_VTC
_SCC2
_ASIC2
_ASIC1
_RES I/O
_MAIL S
_Y0
D0
D1
D2
D3
D4
D5
D6
D7
P110
_RDY
S G
S G
S G
S G
S G
S G
S G
S G
S G
S G
S
3
1
2
R357
XT7
IC58
G
S G
P111
S G
A21S
A20S
R473
R456
R436
R432
R431
R430
CN1
–
138
b7
CN1
–
137
b6
CN1
–
68
b5
CN1
–
67
b4
CN1
–
136
b3
CN1
–
135
b2
CN1
–
66
b1
CN1
–
65
b0
L207
L206
L205
C263
A0S
A1S
_WR S
_RD S
_RAM S
_RES I/O
C262
C261
C260
C267
C266
L202
CN1
–16
CONT DB
PPST
_LDON
_LDEN
CN1
–17
CONT G
R461
R458
R457
R450
R448
R449
DACLK
LD
DI
ZERO CROSS SIG
CN1
–73
TONER CLK
CN1
–76
TRM REM
CN1
–75
TFM REM
CN1
–74
IMAGE UNIT SIG
CN1
–120
DUP _B
CN1
–121
SIDE _A
CN1
–122
REGIST B
CN1
–123
MOTOR A
CN1
–102
FINISHER RESET
CN1
–14
SC CONT
CN1
–15
TC CONT
CN1
–103
9
S
8
E
C
B
TR2
11
10
IC61
IC61
R354
L178
C225
C224
R355
R350
AD0S
AD1S
AD2S
AD3S
AD4S
AD5S
AD6S
AD7S
AD0S
AD1S
AD2S
AD3S
AD4S
AD5S
AD6S
AD7S
AD0S
C233
C232
R377
L175
R479
AD1S
AD2S
AD3S
AD4S
AD5S
AD6S
AD7S
AD0S
AD1S
AD2S
A0S
A1S
A2S
AD3S
AD4S
AD5S
AD6S
AD7S
R361
L177
L197
C229
IC57
C228
R370
S G
S G
S G
S G
S G
S G
S G
S G
S G
_ROM S
_RD S
_WR S
CN1
–42
DM LOCK
CN1
–41
PCM LOCK
CN1
–40
TC/AC ALARM
CN1
–39
MC ALARM
CN1
–132
PFCL
–U REM
CN1
–131
PFCL
–L REM
CN1
–130
FCL 4 REM
CN1
–107
FCL 5 REM
CN1
–106
FCL 1 REM
CN1
–105
FCL 2 REM
CN1
–104
FCL 3 REM
CN1
–134
BYPPFCL REM
CN1
–115
RCL REM
CN1
–114
PCFM REM
CN1
–78
FSSOL 1 REM
CN1
–79
FSSOL 2 REM
CN1
–84
TC REM
CN1
–80
PRY REM
CN1
–81
SSW1SOURCE
CN1
–83
H.ALM
L LIM
U LIM
R463
R464
SC REM
CN1
–86
MC REM
CN1
–85
DB REM
CN1
–72
CL REM
CN1
–71
IFFM REM
CN1
–109
H1 REM
CN1
–108
H2 REM
CN1
–38
PFSW1
CN1
–37
PFSW2
CN1
–36
PFSW3
CN1
–35
PFSW4
CN1
–34
FSW
CN1
–33
RSW
CN1
–10
SSW3
CN1
–9
SSW2
CN1
–7
FSSW
CN1
–6
SBESW
CN1
–5
DUPPCSW
CN1
–31
DUPESW
CN1
–30
DUPRSW
CN1
–29
DUPRSW
CN1
–28
STKSW
CN1
–11
SSW1
CN1
–127
DUPPTSOL REM
CN1
–128
DUPFWSOL REM
CN1
–126
SBFSSOL1 REM
CN1
–125
SBFSSOL2 REM
CN1
–124
SRM REM
L LIM
_ASIC1
[A0S
–A5S]
_RAM S
_ROM S
[A0S
–A7S]
[AD0S
–AD7S]
_RD S
_WR S
U LIM
C280
CN1
–
58
LICSW
–
L
CN1
–
59
LICSW
–
U
CN1
–
57
BYPPS
–
W
CN1
–
61
BYPPWSW
CN1
–
62
BYPPLSW
CN1
–
60
BYPEDSW
CN1
–
56
PSW
–
U
CN1
–
55
PSW
–
L
CN1
–133
BYPSOL REM
CN1
–129
N.C
CN1
–77
ESCL REM
CN1
–113
DM REM
CN1
–116
CCM FWD
CN1
–117
CCM REV
F.C SW
CN1
–111
PCM REM
CN1
–87
PFM REM
CN1
–118
CLM
–L
CN1
–119
CLM
–U
R480
_ASIC2
_RD S
A0S
A1S
A2S
A3S
A4S
A5S
A6S
A7S
A8S
A9S
A10S
A11S
A12S
A13S
A14S
A15S
A16S
A17S
A18S
R369
R368
R360
R359
R367
R366
R358
R363
R362
R364
R365
R484
R485
R486
R487
R488
_RES I/O
_WR S
_682
_RESET
R352
R353
DESK RESET
CN1
–94
DESK SCLK
_RD S
A0S
A1S
CN1
–95
DESK SOUT
CN1
–93
DESK _OE
CN1
–96
DESK SIN
CN1
–13
TNS CONT
CN1
–1
TNS
CN1
–2
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
Vcc
_RD
A0
A1
SCK
Sout
Sin
_OE
INT
Xin
Xout
Vcc
_RST
_WR
_CS
D0
D1
D2
D3
D4
D5
D6
D7
GND
12
11
10
9
8
7
6
5
27
26
23
25
13
14
15
17
18
19
20
21
22
24
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
D0
D1
D2
D3
D4
D5
D6
D7
_CE
_OE
4
28
29
3
2
30
31
1
32
16
A12
A13
A14
A15
A16
A17
A18
Vpp
Vcc
GND
IC55
R376
A0S
A1S
A2S
A3S
A4S
A5S
A6S
A7S
A8S
A9S
A10S
A11S
A12S
A13S
A14S
22
20
27
10
9
8
7
6
5
4
3
25
28
14
11
12
13
15
16
17
18
19
_OE
_CE
_WE
A0
A1
A2
A3
A4
A5
A6
A7
A8
Vcc
GND
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
24
21
23
2
26
1
A9
A10
A11
A12
A13
A14
R478
C279
C278
2
3
1
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
_RESET
SELECT
MODE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
IC60
GND
A0
A1
A2
A3
A4
A5
A6
A7
ALE
_RD
_WR
CS
32
LENGTH
CN1
–
46
DIG0
CN1
–
45
DIG1
CN1
–
44
DIG2
CN1
–
43
LENGTH
CN1
–
50
DIG0
CN1
–
49
DIG1
CN1
–
48
DIG2
CN1
–
47
DIG2
CN1
–
51
DIG1
CN1
–
52
DIG0
CN1
–
53
LENGTH
CN1
–
54
33
31
34
35
36
37
38
39
40
GND
Vdd
PB1
29
30
28
PB3
PB2
PB4
26
27
25
PB6
PB5
PB7
_CS
PB0
PA
0
PA
1
PA
2
PA
3
PA
4
63
62
64
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
PD0
_Y3
PD1
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
GND
PC7
PC6
PC5
PC4
PC3
79
78
80
77
76
75
74
73
72
71
70
69
68
67
66
65
PF6
PF5
PF7
PF4
PF3
PF2
PF1
PF0
Vdd
GND
PD7
PD6
PD5
PD4
PD3
PD2
PC2
PC1
PC0
INITD
PA7
PA6
PA5
AD0S
AD1S
AD2S
A0S
A1S
A2S
AD3S
AD4S
AD5S
AD6S
AD7S
2
3
1
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
_RESET
SELECT
MODE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
IC63
GND
A0
A1
A2
A3
A4
A5
A6
A7
ALE
_RD
_WR
CS
32
33
31
34
35
36
37
38
39
40
GND
Vdd
C270
PB1
29
30
28
PB3
PB2
PB4
26
27
25
PB6
PB5
PB7
_CS
PB0
PA
0
PA
1
PA
2
PA
3
PA
4
63
62
64
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
PD0
_Y3
PD1
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
GND
PC7
PC6
PC5
PC4
PC3
79
78
80
77
76
75
74
73
72
71
70
69
68
67
66
65
PF6
PF5
PF7
PF4
PF3
PF2
PF1
PF0
Vdd
GND
PD7
PD6
PD5
PD4
PD3
PD2
PC2
PC1
PC0
INITD
PA7
PA6
PA5
8
7
6
5
A01
A02
A03
Vcc
LD
CLK
DI
GND
1
2
3
4
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...