Lexmark 5021-0XX Manual do Utilizador Página 140
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2-62 Service Manual
5021-0XX
930,931,932—Laser unit assembly service check
Step Questions / actions Yes No
1 Check LCN connection on
laser assembly LDU board.
Is connector properly
connected?
Go to step 2. Properly connect
LCN cable. If
error clears,
problem solved,
otherwise go to
step 2.
2 Check LCN connection on
engine controller board. Is
cable properly connected?
Go to step 3. Properly connect
LCN cable. If
error clears,
problem solved,
otherwise go to
step 3.
3 Check cable that connects
engine controller board
LCN and LDU LCN
connectors for continuity
and shorted pins. Is cable
okay?
Replace laser
unit assembly.
“Laser unit
assembly
(printhead)
removal” on
page 4-24. Go
to step 4.
Replace cable.
Go to step 4.
4 Does error clear? Problem solved. Replace engine
controller board.
See “Engine
controller
board removal”
on page 4-55.
- • Table of Contents 1
- • Safety and Notices 1
- • Trademarks 1
- •Start Diagnostics 1
- Table of contents 3
- Laser notices 11
- Class 1 Laser statement label 12
- Laser notice 13
- Avvertenze sui prodotti laser 14
- Avisos sobre el láser 15
- Laserinformatie 16
- Lasermeddelelse 16
- Huomautus laserlaitteesta 17
- Laser-notis 17
- Laser-melding 18
- Avís sobre el Làser 18
- Japanese laser notice 19
- Chinese laser notice 19
- Korean laser notice 20
- Safety information 21
- Norme di sicurezza 22
- Sicherheitshinweise 22
- Pautas de Seguridad 23
- Informações de Segurança 23
- Informació de Seguretat 24
- Safety information xxv 25
- Definitions 26
- 1. General information 27
- Acronyms 29
- Specifications 30
- Operating clearances 32
- Print speed and performance 33
- Time to first print 33
- Duty cycle 34
- Printer memory 34
- 1-10 Service Manual 36
- Media sizes 37
- 1-12 Service Manual 38
- 1-14 Service Manual 40
- General information 1-15 41
- Environment 42
- Printer identification 43
- Options identification 44
- Printer theory of operation 45
- Printer paper path 46
- Printer systems description 47
- 1-22 Service Manual 48
- Printer component systems 49
- 1-24 Service Manual 50
- 1-26 Service Manual 52
- 1-28 Service Manual 54
- Details of the print system 55
- 1-30 Service Manual 56
- Exposing process 57
- Developing process 58
- (-CBV)+(-DBV) 59
- 1-34 Service Manual 60
- Belt cleaning process 62
- General information 1-37 63
- 1-38 Service Manual 64
- 1-40 Service Manual 66
- General information 1-41 67
- 1-42 Service Manual 68
- General information 1-43 69
- Fusing unit 70
- General information 1-45 71
- Fusing process 72
- Control system structure 73
- Control of print process 74
- Print sequence diagram 75
- Laser drive control circuit 76
- Interface control 77
- 1-52 Service Manual 78
- 2. Diagnostic information 79
- Service error codes 80
- Diagnostic information 2-3 81
- 2-4 Service Manual 82
- Diagnostic information 2-5 83
- 2-6 Service Manual 84
- Diagnostic information 2-7 85
- 2-8 Service Manual 86
- Operator messages 87
- 2-10 Service Manual 88
- Diagnostic information 2-11 89
- 2-12 Service Manual 90
- Diagnostic information 2-13 91
- 2-14 Service Manual 92
- Diagnostic information 2-15 93
- 2-16 Service Manual 94
- Diagnostic information 2-17 95
- 2-18 Service Manual 96
- Diagnostic information 2-19 97
- 2-20 Service Manual 98
- Diagnostic information 2-21 99
- Paper jam messages 100
- Diagnostic information 2-23 101
- 5021-0XX 101
- 2-24 Service Manual 102
- Symptom tables 103
- 2-26 Service Manual 104
- Print quality symptom table 105
- 2-28 Service Manual 106
- Printer service checks 107
- 2-30 Service Manual 108
- Diagnostic information 2-31 109
- 2-32 Service Manual 110
- Diagnostic information 2-33 111
- 2-34 Service Manual 112
- Diagnostic information 2-35 113
- 2-36 Service Manual 114
- Diagnostic information 2-37 115
- 2-38 Service Manual 116
- Diagnostic information 2-39 117
- 2-40 Service Manual 118
- Diagnostic information 2-41 119
- 2-42 Service Manual 120
- Diagnostic information 2-43 121
- 2-44 Service Manual 122
- Diagnostic information 2-45 123
- 2-46 Service Manual 124
- Diagnostic information 2-47 125
- 911—Main motor service check 126
- Diagnostic information 2-49 127
- 2-50 Service Manual 128
- Diagnostic information 2-51 129
- 913—Fuser fan service check 130
- 914—Laser fan service check 131
- 915—Erase lamp service check 132
- Diagnostic information 2-55 133
- 2-56 Service Manual 134
- Diagnostic information 2-57 135
- 2-58 Service Manual 136
- Diagnostic information 2-59 137
- 2-60 Service Manual 138
- Diagnostic information 2-61 139
- 2-62 Service Manual 140
- Diagnostic information 2-63 141
- 2-64 Service Manual 142
- Diagnostic information 2-65 143
- 2-66 Service Manual 144
- Diagnostic information 2-67 145
- 2-68 Service Manual 146
- Diagnostic information 2-69 147
- 2-70 Service Manual 148
- Diagnostic information 2-71 149
- 2-72 Service Manual 150
- Diagnostic information 2-73 151
- 2-74 Service Manual 152
- Cover open service check 153
- 2-76 Service Manual 154
- Diagnostic information 2-77 155
- Incorrect media service check 156
- Diagnostic information 2-79 157
- 2-80 Service Manual 158
- Diagnostic information 2-81 159
- 2-82 Service Manual 160
- Diagnostic information 2-83 161
- Operator panel service check 162
- Diagnostic information 2-85 163
- 2-86 Service Manual 164
- Diagnostic information 2-87 165
- 2-88 Service Manual 166
- Diagnostic information 2-89 167
- 2-90 Service Manual 168
- Toner feed service check 169
- Toner low/empty service check 170
- Diagnostic information 2-93 171
- 2-94 Service Manual 172
- Tray empty service check 173
- 2-96 Service Manual 174
- Diagnostic information 2-97 175
- 2-98 Service Manual 176
- Paper feed service checks 177
- 2-100 Service Manual 178
- Print quality service checks 179
- Back stain service check 180
- Banding service check 181
- Black line service check 182
- Diagnostic information 2-105 183
- 2-106 Service Manual 184
- Diagnostic information 2-107 185
- 2-108 Service Manual 186
- Jitter service check 187
- 2-110 Service Manual 188
- Diagnostic information 2-111 189
- Mixed color image appears 189
- Mottle service check 190
- Residual image service check 191
- Ribbing service check 192
- Diagnostic information 2-115 193
- Toner drop service check 194
- Diagnostic information 2-117 195
- Vertical line service check 196
- Diagnostic information 2-119 197
- 2-120 Service Manual 198
- White band service check 199
- White line I service check 200
- White line II service check 201
- 2-124 Service Manual 202
- White print service check 203
- 2-126 Service Manual 204
- Diagnostic information 2-127 205
- 2-128 Service Manual 206
- Spacing table 207
- 2-130 Service Manual 208
- 3. Diagnostic aids 209
- Paper jam sequence 210
- Diagnostic mode 212
- Print registration 214
- Print tests 215
- Hardware tests 216
- LCD test 217
- Button test 217
- Parallel wrap test 217
- ROM memory test 218
- • ROM checksum error 218
- • ROM burst read error 218
- DRAM memory test 219
- Serial wrap test 219
- 3-12 Service Manual 220
- Duplex tests 221
- Device tests 222
- Printer setup 224
- Serial number 225
- Setting configuration ID 225
- Parallel strobe adjustment 226
- Error log 227
- Clearing the error log 228
- Restore EP factory defaults 228
- Exiting diagnostic mode 229
- 3-22 Service Manual 230
- 4. Repair information 231
- 4-2 Service Manual 232
- Photodeveloper cartridge 233
- Printer removal procedures 234
- CRU/FRU and supplies removals 235
- Cleaning roller cover removal 236
- Transfer belt unit removal 237
- Transfer roller removal 238
- Fuser assembly removal 239
- Waste toner bottle removal 240
- 4-12 Service Manual 242
- Duplex unit assembly removal 243
- 4-14 Service Manual 244
- Repair information 4-15 245
- 4-16 Service Manual 246
- Cover removals 247
- Top cover assembly removal 248
- Front cover assembly removal 249
- 4-20 Service Manual 250
- Repair information 4-21 251
- Right cover removal 252
- Rear cover assembly removal 252
- Left cover removal 254
- 4-26 Service Manual 256
- Erase lamp removal 257
- 4-28 Service Manual 258
- Right side removals 259
- 4-30 Service Manual 260
- Developer motor removal 261
- 4-32 Service Manual 262
- MagentaCyan 263
- 4-34 Service Manual 264
- 4-36 Service Manual 266
- Main motor assembly removal 268
- Repair information 4-39 269
- Clutch removal 270
- Waste toner feeder removal 272
- Repair information 4-43 273
- Rear removals 274
- RIP board removal 275
- Bracket assembly removal 275
- Paper guide assembly removal 276
- Paper feed roller removal 278
- Paper exit assembly removal 279
- 4-50 Service Manual 280
- Repair information 4-51 281
- 5. Disconnect cable (D) 281
- 6. Remove two screws (E) 281
- 7. Remove paper exit (F) 281
- Registration assembly removal 282
- Left side removals 283
- Operator panel cable removal 284
- 4-56 Service Manual 286
- RIP board cage removal 287
- 4-58 Service Manual 288
- 4-60 Service Manual 290
- HVPS cage removal 292
- Toner present sensor removal 293
- 4-64 Service Manual 294
- 4-66 Service Manual 296
- Repair information 4-67 297
- Top removals 298
- I/O board removal 300
- Waste toner auger removal 302
- Waste toner agitator removal 303
- Power supply fan removal 304
- 5. Locations and connectors 305
- 5-2 Service Manual 306
- Locations and connectors 5-3 307
- Electronic components 308
- Locations and connectors 5-5 309
- 5-6 Service Manual 310
- Fan/motor locations 311
- Interlock switch locations 312
- Locations and connectors 5-9 313
- 5-10 Service Manual 314
- Symbol and part name table 315
- 5-12 Service Manual 316
- Locations and connectors 5-13 317
- 5-14 Service Manual 318
- RIP board 319
- Engine controller board 320
- Input/output (I/O) board 321
- 5-18 Service Manual 322
- Printer cables 323
- 5-20 Service Manual 324
- Locations and connectors 5-21 325
- 5-22 Service Manual 326
- Locations and connectors 5-23 327
- 5-24 Service Manual 328
- Locations and connectors 5-25 329
- Cable 4 connector assignments 330
- Cable 5 connector assignments 331
- 5-28 Service Manual 332
- 5-30 Service Manual 334
- Locations and connectors 5-31 335
- 5-32 Service Manual 336
- Locations and connectors 5-33 337
- I/O board DCN8—Laser fan 337
- 5-34 Service Manual 338
- Locations and connectors 5-35 339
- I/O board DCN16—Sensors 339
- 5-36 Service Manual 340
- Locations and connectors 5-37 341
- 5-38 Service Manual 342
- Locations and connectors 5-39 343
- 5-40 Service Manual 344
- Locations and connectors 5-41 345
- Cable 9 connector assignments 346
- Locations and connectors 5-43 347
- 5-44 Service Manual 348
- Locations and connectors 5-45 349
- 5-46 Service Manual 350
- (120V Printer) 351
- (240V Printer) 351
- 5-48 Service Manual 352
- Locations and connectors 5-49 353
- 5-50 Service Manual 354
- 6. Preventive maintenance 355
- 6-2 Service Manual 356
- 7. Parts catalog 357
- Assembly 1: Base printer 358
- Assembly 1: Base printer 359
- Assembly 2: Covers 360
- Assembly 2: Covers 361
- Assembly 3: Front 362
- Assembly 3: Front 363
- Assembly 4: Right 364
- Assembly 4: Right 365
- Assembly 5: Rear 366
- Assembly 5: Rear 367
- Assembly 6: Left 368
- Assembly 6: Left 369
- Assembly 7: Top 370
- Assembly 7: Top 371
- Assembly 8: RIP board 372
- Assembly 8: RIP board 373
- 7-18 Service Manual 374
- Parts catalog 7-19 375
- 7-20 Service Manual 376
- I-2 Service Manual 378
- I-4 Service Manual 380
- Part number index 381
- I-6 Service Manual 382
- I-8 Service Manual 384
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