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
Memory copy PCB
9
/
12
3-7-34
U26
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
1
2
3
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
31
32
33
34
35
36
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
31
30
29
28
27
26
25
VDD11
CD7
CD6
CD5
CD4
GND11
VDD10
CD3
CD2
CD1
CD0
GND10
VDD9
PXCKD
RVID
SVID
PXCK
PTIM
PRDY
GND9
VDD8
PDWR
PDRD
PDAK
PDRQ
GND8
VDD7
PD31
PD30
PD29
GND7
VDD6
PD28
PD27
PD26
PD25
CDAK
CDRD
CDWR
INTR
VDD17
GND18
HD0
HD1
HD2
HD3
HD4
VDD18
GND19
HD5
HD6
HD7
TEST0
TEST1
VDD19
GND20
MCLK
VDD20
GND21
RESET
HRD
HWR
HCS
VDD21
GND22
HA0
HA1
HA2
HA3
TOUT1
TOUT2
VDD22
GND1
PDO
PD1
PD2
PD3
PD4
VDD1
GND2
PD5
PD6
PD7
PD8
PD9
VDD2
GND3
PD10
PD11
PD12
PD13
PD14
VDD3
GND4
PD15
PD16
PD17
PD18
PD19
VDD4
GND5
PD20
PD21
PD22
PD23
PD24
VDD5
GND6
CDRQ
GND17
VDD16
CD31
CD30
CD29
CD28
GND16
VDD15
CD27
CD26
CD25
CD24
CD23
GND15
VDD14
CD22
CD21
CD20
CD19
CD18
GND14
VDD13
CD17
CD16
CD15
CD14
CD13
GND13
VDD12
CD12
CD11
CD10
CD9
CD8
GND12
(003-15A)
MCP 2AC (304:1)
178 Q2CDRQ
R88
173 Q2HINTR
R86
170 Q2HWR_
169 Q2HRD_
168 Q2HCS_
181 Q2CDWR_
180 Q2CDRD_
179 Q2CDACK_
1
2
3
4
8
7
6
5
RA82
1
2
3
4
8
7
6
5
RA81
0
1
2
3
4
5
6
7
1
2
3
4
$001
$001 CPUD (002-02H) (004-03A) (008-01D)
(010-12B)
CPUD (15:0)
A (31:0)
QDD (31:0)
QMCLK
(011-13C)
(002-15F)
(008-15J)
RST_
1
2
3
4
1
2
3
4
1
2
3
4
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
3
2
1
0
7
6
5
4
11
10
9
8
15
14
13
12
19
18
17
16
23
22
21
20
31
30
29
28
27
26
25
24
1
2
3
4
8
7
6
5
8
7
6
5
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
8
7
6
5
RA66
RA67
Q2HINTR
Q2PDRD
Q2CDRD
173
174
178
Q2PDWR_
Q2PDRD_
Q2PDACK_
177
176
175
174
VPL5
VPL5
VPL5
VPL5
R87
R85
R83
R81
GPL5
C83
L78
L83
L81
L79
C93
C92
C84
R84
C89
(008-09A)
SIMMD (31:0)
Q2PDRD
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 ...