Sharp AR-650 Service Manual Page 211
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- Table of contents
- BOOKMARKS
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TRANSFER/TRANSPORT UNIT 11 - 6
(4) Remove the 2 rear bearing bracket fastening
screws and the 2 casing fastening screws.
(5) Draw out the transfer belt unit upwards on the
front side.
Notes:1. During assembly, fasten the screws in or-
der
1
,
2
and
3
.
2. When assembling the transfer belt unit,
make sure that the front lever of the trans-
fer belt unit fits under the cam on the front
frame.
[C] Transfer belt
(1) Rotate the transfer belt support/power supply
mechanism inside the transfer belt unit by 90°,
and then draw out upwards.
3
2
1
(2) Remove the 2 fastening screws from the drive
roller support bracket.
Front frame side cam
Front side lever
- SERVICE MANUAL 1
- DIGITAL COPIER 1
- AND SERVICE FOR THE COPIER 2
- CONTENTS I 4
- II CONTENTS 5
- CONTENTS III 6
- CONTENTS IV 7
- CONTENTS V 8
- CONTENTS VI 9
- 1.1 Specifications 10
- SPECIFICATIONS 1 - 2 11
- 1 - 3 SPECIFICATIONS 12
- SPECIFICATIONS 1 - 4 13
- 1 - 5 SPECIFICATIONS 14
- SPECIFICATIONS 1 - 6 15
- 1 - 7 SPECIFICATIONS 16
- SPECIFICATIONS 1 - 8 17
- 1 - 9 SPECIFICATIONS 18
- SPECIFICATIONS 1 - 10 19
- 1 - 11 SPECIFICATIONS 20
- USA/CANADA 21
- OTHER COUNTRY 21
- 1.5 System List 22
- 2. OUTLINE OF THE MACHINE 23
- OUTLINE 2 - 2 24
- 2 - 3 OUTLINE 25
- [B] Front Drive System 26
- [C] Rear Drive System 27
- OUTLINE 2 - 6 28
- 2 - 7 OUTLINE 29
- Scanner unit 30
- Laser unit 30
- System unit 30
- [LT series] 32
- (B-3) Motors 33
- (B-4) AC electrical parts 33
- [C] Laser Unit 34
- (C-1) PC boards 34
- (C-3) Motors 35
- [D] System Unit 35
- (D-1) PC boards 35
- No. Name Symbol 38
- Upper unit 39
- OUTLINE 2 - 18 40
- (F-3) Motors 41
- (F-4) AC electrical parts 42
- Lower unit 43
- (G-3) Motors 45
- (G-4) AC electrical parts 46
- (1) Motors 47
- (2) Solenoids 48
- (4) Counters 48
- (5) Switches 48
- 2 - 27 OUTLINE 49
- (6) Heaters and lamps 50
- (7) PC boards 50
- (8) Transformers 51
- (9) Other 51
- 2.3 System Block Diagram 52
- Lower front cover 53
- Power switch cover 54
- 2 - 33 OUTLINE 55
- Rear top cover 56
- Original glass 56
- Lock supports 58
- High - voltage transformer 58
- Ground wire fixing screw 58
- Power inner cover 59
- 3. COPYING PROCESS 62
- COPYING PROCESS 3 - 2 63
- 3 - 3 COPYING PROCESS 64
- COPYING PROCESS 3 - 4 65
- 3 - 5 COPYING PROCESS 66
- Aluminum 67
- Photosensitive layer 67
- Discharge LED array 69
- 3 - 9 COPYING PROCESS 70
- COPYING PROCESS 3 - 10 71
- 4. COPIER OPERATION 72
- COPIER OPERATION 4 - 2 73
- 4 - 3 COPIER OPERATION 74
- COPIER OPERATION 4 - 4 75
- 4 - 5 COPIER OPERATION 76
- COPIER OPERATION 4 - 6 77
- 1.144sec 78
- Exit switch 79
- CLEAR PAPER (E02) 79
- 4 - 9 COPIER OPERATION 80
- 4.4.1 Power ON to ready 81
- 4 - 11 COPIER OPERATION 82
- 4.4.2 Automatic feed copying 83
- 4 - 13 COPIER OPERATION 84
- 5 - 1 DISPLAY UNIT 85
- DISPLAY UNIT 5 - 2 86
- 5 - 3 DISPLAY UNIT 87
- DISPLAY UNIT 5 - 4 88
- 5 - 5 DISPLAY UNIT 89
- 5.4 Description of Operation 91
- DISPLAY UNIT 5 - 8 92
- 5 - 9 DISPLAY UNIT 93
- KEY boardLCDLCD board 94
- Semicon 95
- 6.2 Image Processing Circuit 96
- 6 - 3 IMAGE PROCESSING 97
- Histogram 98
- 6 - 5 IMAGE PROCESSING 99
- IMAGE PROCESSING 6 - 6 100
- 6 - 7 IMAGE PROCESSING 101
- 6.4 PLG Board (PWA-F-PLG-300) 102
- 6.5 Scanner 103
- 6.6 Printer 103
- 7.1 Functions 104
- Reflector Original Glass 105
- Reflector 105
- Exposure lamp 105
- Mirror 1 105
- Carriage 2 106
- Copiable length 107
- Original indicator unit 107
- Carriage 1 107
- Copiable width 107
- Optical System (rear side) 108
- SCANNER 7 - 6 109
- 7 - 7 SCANNER 110
- Fig. 7.4-4. PWA-SDV 111
- 7.5 Exposure Control Circuit 112
- SCANNER 7 - 10 113
- 1 to generated 114
- SCANNER 7 - 12 115
- 7.6 Outline of Control 116
- Fig. 7.7-1 117
- [A4 Series] [LT Series] 117
- [A4 Series] 118
- [LT Series] 118
- SCANNER 7 - 16 119
- Original 120
- Phototransistor 120
- [A4 series] 121
- APS cover 122
- Scanning motor 123
- Connector 123
- Optical fan 124
- Front top frame 125
- Rear top frame 125
- Mirror 2 126
- Mirror 3 126
- Installation standard 127
- Setting holes 127
- 7 - 25 SCANNER 128
- 8. PRINTING 129
- Feed side 130
- Exit side 130
- Front side 130
- Rear side 130
- PLG PCboard 130
- 8.2 Structure 131
- (3) Half mirror 132
- 8 - 5 PRINTING 133
- PRINTING 8 - 6 134
- 8 - 7 PRINTING 135
- 8.3 Laser Diode 136
- 8 - 11 PRINTING 139
- 9. PAPER FEED SYSTEM 140
- PAPER FEED SYSTEM 9 - 2 141
- Construction of motor drive 142
- PAPER FEED SYSTEM 9 - 4 143
- 9.2 Aligning Section 144
- Aligning roller (L) 145
- Paper guide 145
- Set screw 146
- Aligning motor 146
- Belt transport unit 147
- 9 - 9 PAPER FEED SYSTEM 148
- PAPER FEED SYSTEM 9 - 10 149
- 9 - 11 PAPER FEED SYSTEM 150
- (1) Tray section 151
- (2) Paper feeding section 152
- PAPER FEED SYSTEM 9 - 14 153
- Pick-up bracket 154
- Manual pick-up roller 154
- LCF pick-up roller 155
- 9 - 17 PAPER FEED SYSTEM 156
- Paper-feed roller 157
- Separation roller 157
- 9 - 19 PAPER FEED SYSTEM 158
- PFP paper feed guide unit 159
- Drive bracket 159
- — Outer side Upper side 160
- Tray motor 161
- Tray motor unit 161
- Bottom switch unit 162
- Guide lever 162
- PAPER FEED SYSTEM 9 - 24 163
- LCF feed roller 164
- LCF separation roller 164
- 9.4 Paper Feed Pedestal (PFP) 168
- 9.4.2 Component names 169
- 9 - 31 PAPER FEED SYSTEM 170
- PAPER FEED SYSTEM 9 - 32 171
- Internal signals 172
- 9 - 35 PAPER FEED SYSTEM 174
- PAPER FEED SYSTEM 9 - 36 175
- Have two seconds 179
- CW came ON? 179
- 9 - 41 PAPER FEED SYSTEM 180
- PAPER FEED SYSTEM 9 - 42 181
- 9 - 43 PAPER FEED SYSTEM 182
- PAPER FEED SYSTEM 9 - 44 183
- 9 - 45 PAPER FEED SYSTEM 184
- Cassette switch 185
- Cassette 185
- Actuator 185
- (the actuator is detected) 186
- PAPER FEED SYSTEM 9 - 48 187
- PFP pick-up rolle 189
- Gear E-ring 190
- Stay guide 191
- Switch cover 192
- PFP tray-up switch 192
- PFP paper empty switch 192
- PFP upper aligning roller 193
- (metal roller) 193
- (rubber roller) 193
- Motor fixing screws 194
- Gear units 194
- (Outside) (Inside) 195
- 10. DRUM-RELATED SECTION 196
- 10.2 Functions 197
- Thermistor bracket 198
- Drum thermistor 198
- Front flange 199
- Charge wire 200
- V-groove 200
- Wire cleaner 201
- Main charger cleaning motor 202
- Ozone filter 203
- (2 screws) 205
- 11. TRANSFER/TRANSPORT UNIT 206
- 11.2 Description of Operation 207
- 11.3 Functions 208
- [Right side] 210
- [Left side] 210
- Front frame side cam 211
- Front side lever 211
- (Silver PCboard) 214
- (Green PCboard) 214
- Locking support 215
- 12. DEVELOPER UNIT 216
- 12.2 Construction 217
- 12 - 3 DEVELOPER UNIT 218
- Sensor lever 219
- Developer Unit Drive 221
- 12.4 Motors 222
- DEVELOPER UNIT 12 - 8 223
- Signal “H” level “L” level 224
- DEVON Motor OFF Motor ON 224
- Toner motor 225
- Gate array 225
- 12 - 11 DEVELOPER UNIT 226
- DEVELOPER UNIT 12 - 12 227
- ATS: large 228
- ATS: small 228
- Developer unit 229
- Top cover 229
- Urethan seal 230
- Guide roller 231
- Magnetic roller holder 232
- Magnetic roller 232
- Pole fixing holder 232
- Magnet roller holder 233
- Transport roller 234
- Pole fixing bush 234
- Convex part of sideframe 234
- Nozzle mixer 235
- Oil seal 235
- Mixer shaft 236
- Toner hopper unit 238
- Motor bracket 239
- Motor unit 240
- Developer bias 240
- DEVELOPER UNIT 12 - 26 241
- DEVELOPER UNIT 12 - 28 243
- 13. CLEANER UNIT 244
- 13.2 Description of Functions 245
- 13 - 3 CLEANER UNIT 246
- CLEANER UNIT 13 - 4 247
- Toner adhesion amount sensor 248
- Photosensitive drum 248
- Test pattern (toner image) 248
- Light source intensity signal 248
- CLEANER UNIT 13 - 6 249
- 13 - 7 CLEANER UNIT 250
- Recovery blade 252
- Fur brush 252
- Separation claw unit 253
- Solenoid 255
- Bunding band 255
- Toner bag 256
- Toner bag cover 256
- Toner-full detector 256
- CLEANER UNIT 13 - 14 257
- Fig. 14.1-1 258
- 14.3 Functions 259
- 14 - 3 FUSER UNIT 260
- 14.4 Heater Control Circuit 261
- Reference 262
- Fig. 14.5-1 264
- HTRMOT Motor OFF Motor ON 265
- 1mm~1.5mm 267
- Harness cover 268
- Lower thermistor 268
- Jam release unit 268
- Separation claw 269
- Lower separation claw unit 269
- 14 - 13 FUSER UNIT 270
- Stop ring 271
- Timing belt 271
- Upper heat 272
- Pressure lever 273
- Lower heat roller 273
- Stamped mark 273
- Lower inlet guide 273
- Connector cable bracket 274
- Heater fan 276
- 15.1 Introduction 277
- ADU 15 - 2 278
- 15.2 Drive 279
- Paper side guide 280
- Paper trailing edge guide 280
- Width guide motor 280
- Length guide motor 280
- Holding gate 281
- Spring clutch 281
- Flapper solenoid 281
- Aligning roller 281
- Aligning clutch 281
- 15.3 Description of Operation 282
- 15 - 7 ADU 283
- ADU 15 - 8 284
- 15 - 9 ADU 285
- ADU 15 - 10 286
- Length guide switch 287
- Width guide switch 287
- Position detection switch1 287
- ADU 15 - 12 288
- 15 - 13 ADU 289
- ADU 15 - 14 290
- 15 - 15 ADU 291
- Feed switch 292
- Aligning switch 292
- Color (black-black) 293
- (white-white) 293
- (white-black) 293
- ADU 15 - 18 294
- Transport guide-u 295
- ADU 15 - 20 296
- Discharge brush 297
- Exit roller 299
- Transport / reverse 300
- 16.1 Outline 301
- 16.2.1 ADF construction 302
- 16 - 3 ADF 303
- 16 - 5 ADF 305
- ADF 16 - 6 306
- 16 - 7 ADF 307
- ADF 16 - 8 308
- 16 - 9 ADF 309
- ADF 16 - 10 310
- 16 - 11 ADF 311
- ADF 16 - 12 312
- 16 - 13 ADF 313
- ADF 16 - 14 314
- 16 - 15 ADF 315
- ADF 16 - 16 316
- 16 - 17 ADF 317
- ADF 16 - 18 318
- 16 - 19 ADF 319
- ADF 16 - 20 320
- 16.5 Detection of Paper Jam 321
- ADF 16 - 22 322
- 16 - 23 ADF 323
- 16.7 Flow Charts 324
- 16.7.2 Operation control 325
- ADF 16 - 26 326
- 16.7.4 One-sided feed control 327
- ADF 16 - 28 328
- 16 - 29 ADF 329
- ADF 16 - 30 330
- 16.7.8 Exit control 331
- Initial alignment 332
- 16 - 33 ADF 333
- 16.8 Timing Charts 334
- 16 - 35 ADF 335
- ADF 16 - 36 336
- 16 - 37 ADF 337
- 16.9.1 Symbols 338
- 16.9.3 Signal block diagram 339
- 16.10 Description of Circuits 340
- 16 - 41 ADF 341
- Feed motor 342
- 16 - 43 ADF 343
- ADF 16 - 44 344
- 16 - 45 ADF 345
- 16.11.3 Sensor input circuits 346
- 16 - 47 ADF 347
- ADF 16 - 48 348
- Transportt unit 349
- Belt tension plate 350
- Transport belt 350
- ADF unit 351
- Jam release cover 352
- Feed unit 353
- Separation unit 354
- Leaf spring 354
- Inlet guide 354
- Timing sensor 355
- Size sensor 355
- Reverse unit 356
- Exit cover 357
- Reverse roller 358
- Exit sensor 358
- Fixing reference: clearance 360
- 0 to -0.5mm 360
- (end face reference) 360
- Fixing reference: Clearance 361
- (rib end face reference) 361
- 3. Feed sheets 1, 2, 4, 5 362
- (mirror mylar sheet) 363
- 0 to 0.5mm 363
- Weight holder 364
- Weight mylar sheet 364
- (overlapping not allowed) 365
- Fixing reference: 0.5mm 366
- Fixing reference: 0 to -0.5mm 367
- Fixing reference: 368
- (when pushed 368
- Clearance 0 to 0.5mm 368
- (Overlapping not allowed) 368
- 12. Cushions 369
- ADF 16 - 70 370
- 14. Discharge brush 371
- A-A cross-section 371
- Deviation ±0.5mm 372
- (slide tool line) 372
- 16. Tray sheet guides 373
- 16.13 PC Board 374
- (2) PWA-F-SEN-794 375
- ADF 16 - 76 376
- 19. Shield mylar (DF cover) 377
- 20. Pad cushion 377
- 17. POWER SUPPLY UNIT 379
- POWER SUPPLY 17 - 2 380
- 18. PC BOARD 382
- (2) PWA-F-MTB-300 383
- (3) PWA-F-LGC-300 384
- (5) PWA-F-MOT-300 385
- (4) PWA-F-ADU-300 385
- (6) PWA-F-SLG-300 386
- (7) PWA-F-SDV-300 386
- (8) PWA-F-PLG-300 387
- UNPACKING AND INSTALLATION 388
- "Down / 'Up 394
- SHARP CORPORATION 396
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