19. MAIN BOARD (A009)
May 1,’87
Index
No.
1
2
3
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
Index
No.
164
165
166
167
168
169
170
171
172
173
174
175
176
Parts No.
A009 5301
A009 5302
A009 5303
1606 1454
1606 1455
1606 1208
1604 1354
1604 1386
1604 1363
1604 1382
1606 1452
1606 1453
1604 1381
1604 1383
1102 2825
1103 0750
1102 2828
1102 2826
1102 2260
1102 2533
1102 2122
1102 2829
1102 3100
1103 1894
1102 1567
1103 0347
1102 2985
1102 2119
1610 0065
1610 0067
Parts No.
1407 1610
1401 0320
1401 0265
1400 0369
1401 0296
1401 0298
1402 0642
1402 0110
1401 0835
1204 1482
1204 1480
1503 0085
1601 8428
Description
Main Board
IC - HN27256G - 25
IC - µPD7811G
Capacitor - 0.01µF 50V
Capacitor - 470PF 25V
Capacitor - 100PF ±5% 50V
Capacitor - 100µF 10V
Capacitor - 100µF 50V
Capacitor - 10µF 25V
Capacitor - 10µF 50V
Capacitor - 0.01µF 50V
Capacitor - 0.1µF 25V
Capacitor - 4.7µF 50V
Capacitor - 22µF 50V
Connector - 26P
Pin Housing - 2P
Connector - 40P
Connector - 30P
Connector - 18P
Connector - 11P
Spring Header - 15P
Connector - 50P
Connector - 30P
Connector - 20P
Connector - 2P
Connector - 8P
Receptacle - 12P
Connector - 6P
Resistor - 3.3KOHM l/8W ±5%
Resistor - 4.7KOHM l/8W ±5%
Description
IC - SN7407NS
Transistor - 2SB951
Transistor - 2SD1277
IC - 2SA1213
Transistor - 2SA1162Y
Transistor - 2SC2712YTE85L
Zener Diode - RD8.2M-B1
Diode - V06C
Diode - 1SS190
Dip Switch
Push Switch
Oscillator - 10MHz
Resistor - 2KOHM 0.3T
Q’ty Per
Assembly
1
1
1
Q’ty Per
Assembly
Index
Parts No.
Description
Q’ty Per
N0.
Assembly
128
1610 0025
Resistor - 22OHM l/8W ±5%
129
1610 0039
Resistor - 150OHM l/8W ±5%
130
1610 0041
Resistor - 180OHM l/8W ±5%
131
1610 0048
Resistor - 390OHM l/8W ±5%
132
1610 0408
Resistor - 680OHM l/8W ±2%
133
1610 0278
Resistor - lKOHM l/8W ±2%
134
1610 0053
Resistor - lKOHM l/8W ±5%
135
1610 0055
Resistor - 1.2KOHM l/8W ±5%
136
1610 0057
Resistor - 1.5KOHM l/8W ±5%
137
1610 0281
Resistor - 9.lKOHM l/8W ±2%
138
1610 0071
Resistor - 10KOHM ±5%
140
1610 0083
Resistor - 33KOHM l/8W ±5%
141
1610 0073
Resistor - 12KOHM l/8W ±5%
142
1610 0085
Resistor - 47KOHM l/8W ±5%
143
1610 0089
Resistor - 100KOHM l/8W ±5%
144
1610 0409
Resistor - 120KOHM l/8W ±5%
145
1610 0107
Resistor - lMOHM l/8W ±5%
146
1610 0017
Resistor - 10OHM l/8T ±5%
147
1610 0047
Resistor
- 330OHM l/8W ±5%
148
1407 2058
IC - M5M82C54FP-6
149
1407 2054
IC - TD62308F
150
1407 2051
IC - SN74LS00NS
151
1407 2052
IC - SN74LS74ANS
152
1407 1729
IC - TC74HC14FP
153
1407 1718
IC - TC74HC08F
154
1407 2073
Microprocessor - MPD78C10GF
155
1407 1846
IC - CS74LS42NS
156
1407 1882
IC - SN74LS373NS
157
1408 0537
IC - 7705CPS-B
158
1407 2057
IC - M5M82C55AFP-5
159
1407 1305
IC - SN7406NS
160
1408 0395
IC - AN6912S
161
1407 1741
IC - SN74LS32NS
162
1407 1883
IC - TC4050BF
163
1407 2055
IC - TD62304F
Index
Parts No.
Description
Q’ty Per
No.
Assembly
39
Summary of Contents for FT4480
Page 1: ...FT4480 F I E L D S E R V I C E M A N U A L RICOH COMPANY LTD ...
Page 4: ...SECTION 1 INSTALLATION ...
Page 26: ...SECTION 2 SERVICE TABLES ...
Page 48: ...SECTION 3 REPLACEMENT AND ADJUSTMENT ...
Page 140: ...SECTION 4 ELECTRICAL DATA ...
Page 142: ...4 PAPER FEED CONTROL BOARD SCHEMATIC 15 March 87 A 0 0 9 ...
Page 143: ...5 DC POWER SUPPLY BOARD SCHEMATIC ...
Page 144: ...9 SORTER CONTROL BOARD SCHEMATIC 15 March 87 A 0 0 9 ...
Page 145: ...10 LCT CONTROL BOARD SCHEMATIC Main Control ...
Page 146: ...SECTION 5 DOCUMENT FEEDER ...
Page 171: ...SECTION 6 SORTER ...
Page 181: ...SECTION 7 LARGE CAPACITY TRAY ...
Page 195: ...SECTION 8 EDITOR BOARD ...
Page 204: ...S E C T I O N 9 ...
Page 237: ...RICOH FT4480 A009 PARTS CATALOG First Edition May 1987 RICOH COMPANY LTD ...
Page 239: ...1 EXTERIOR A009 May 1 87 ...
Page 241: ...2 REGISTRATION AND 3RD PAPER FEED A009 May 1 87 4 ...
Page 243: ...3 PLATEN COVER AND CASSETTE A009 May 1 87 6 ...
Page 245: ...4 1ST AND 2ND PAPER FEED A009 May 1 87 8 ...
Page 247: ...5 3RD PAPER LIFT A009 May 1 87 10 ...
Page 249: ...6 CASSETTE TRAY A009 May 1 87 12 ...
Page 251: ...7 FRAME A009 May 1 87 14 ...
Page 253: ...8 OPTICS 1 A009 May 1 87 16 ...
Page 255: ...9 OPTICS 2 A009 May 1 87 18 ...
Page 257: ...10 AROUND DRUM A009 May 1 87 20 ...
Page 259: ...11 CLEANING UNIT A009 May 1 87 22 ...
Page 261: ...12 DEVELOPMENT UNIT A009 May 1 87 ...
Page 263: ...13 DRIVE SECTION A009 May 1 87 26 ...
Page 265: ...14 PAPER TRANSPORT A009 May 1 87 28 ...
Page 267: ...15 FUSING UNIT A009 May 1 87 30 ...
Page 269: ...16 PAPER EXIT A009 May 1 87 ...
Page 271: ...17 ELECTRICAL SECTION 1 A009 May 1 87 34 ...
Page 273: ...18 ELECTRICAL SECTION 2 A009 May 1 87 36 ...
Page 275: ...19 MAIN BOARD A009 May 1 87 3 8 ...
Page 277: ...20 DC POWER SUPPLY BOARD A009 May 1 87 40 ...
Page 279: ...21 FUSING LAMP DRIVE BOARD A009 May 1 87 42 ...
Page 281: ...22 POWER RELAY BOARD A009 May 1 87 ...
Page 283: ...23 PAPER FEED CONTROL BOARD A009 May 1 87 46 ...
Page 285: ...24 AC MAIN HARNESS A009 May 1 87 48 ...
Page 287: ...25 DC MAIN HARNESS A009 May 1 87 50 ...
Page 289: ...26 HARNESS 3RD FEED A009 May 1 87 52 ...
Page 291: ...27 FUSING UNIT HARNESS A009 5 4 ...
Page 293: ...28 CONTROL HARNESS A009 May 1 87 5 6 ...
Page 295: ...29 HARNESS PAPER FEED A009 May 1 87 5 8 ...
Page 297: ...30 SPECIAL TOOL A009 May 1 87 60 ...
Page 299: ...PARTS INDEX 63 ...
Page 322: ...CS2070 A414 ...
Page 323: ...l Mini Sorter A414 2 2 Bin Motor Board A414 4 3 Sorter Harness A414 6 Parts Index 9 1 ...
Page 324: ...1 MINI SORTER A414 May 1 87 2 ...
Page 326: ...2 BIN MOTOR BOARD A414 May 1 87 4 ...
Page 328: ...3 SORTER HARNESS A414 May 1 87 6 ...
Page 330: ...PARTS INDEX 9 ...
Page 334: ...DF39 A419 ...
Page 336: ...1 DOCUMENT FEEDER I A419 May 1 87 2 ...
Page 338: ...2 DOCUMENT FEEDER II A419 May 1 87 4 ...
Page 340: ...3 DOCUMENT FEEDER Ill A419 May 1 87 6 ...
Page 342: ...4 DF MAIN BOARD A419 May 1 87 8 ...
Page 344: ...5 DF HARNESS A419 May 1 87 10 ...
Page 346: ...PARTS INDEX 13 ...
Page 353: ...RT15 A912 ...
Page 355: ...1 LCT A912 May 1 87 2 ...
Page 357: ...2 L C T A 9 1 2 May 1 87 4 ...
Page 359: ...3 LCT Ill A912 May 1 87 ...
Page 361: ...4 LCT BOARD A912 May 1 87 8 ...
Page 363: ...5 LCT HARNESS A912 May 1 87 10 ...
Page 365: ...PARTS INDEX 13 ...