Lexmark C750 Service Manual - Page 38

Lexmark C750 Manual

Get Lexmark C750 PDF manuals and user guides View all Lexmark C750 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 38 highlights

5060-00x Symptom Print quality: toner on the back of the page Print quality: toner smears or rubs off the page Print quality: multiple horizontal lines Fuser problem: fuser cold Fuser problem: fuser running too hot Fuser problem: excessive fuser drive motor assembly noise Close Door displays constantly, unable to clear the message, POR incomplete Action Go to "Toner is on the back of the printed page" on page 2-146. Go to "Toner smears or rubs off the page with no error code displayed" on page 2-145. Go to "Horizontal lines or streaks" on page 2-137. Go to "Cold fuser service" on page 2-127. Go to "Hot fuser service" on page 2-127. Go to "Excessive fuser drive motor assembly noise" on page 2-127. Go to "Close door/HVPS/printhead interlock switch service check" on page 2-118. Symptom table-500-sheet drawer option Symptom Printer fails to recognize the option is installed The tray x autocompensator fails to retract, stays in down position Paper Low message appears when adequate paper is installed (tray x) Paper Out message appears when adequate paper is installed (tray x) Tray x does not detect size media is installed Paper Jam 24x displayed. Media fails to feed from the 500-sheet option tray Action Go to "The base printer does not recognize that tray x is installed." on page 2-108. Go to "Tray x autocompensator fails to retract, stays in down position." on page 2-109. Go to "The printer does not detect paper low in Tray x when adequate paper is installed in the tray." on page 2-109. Go to "The printer does not detect paper out in tray x when adequate paper is installed in the tray." on page 2-110. Go to "Tray x does not detect size media is installed" on page 2-111. Go to "500-sheet drawer option (242, 243, 244)" on page 2-77. Symptom table-HCIT 2000-sheet option Symptom Printer fails to recognize the option is installed HCIT does not function. There is no response. The HCIT is inoperative. HCIT does not recognize the correct paper size Paper Jam 24x displayed. Media fails to feed from the 2000-sheet option. Action Go to "Printer does not recognize that the HCIT 2000-sheet option is installed." on page 2-128. Go to "HCIT inoperative" on page 2-130. Go to "HCIT 2000-sheet Option does not recognize the size paper selected." on page 2-131. Go to "2000-Sheet high-capacity input tray (HCIT) (243, 244)" on page 2-79. 2-4 Service Manual

  • 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
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 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
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
  • 264
  • 265
  • 266
  • 267
  • 268
  • 269
  • 270
  • 271
  • 272
  • 273
  • 274
  • 275
  • 276
  • 277
  • 278
  • 279
  • 280
  • 281
  • 282
  • 283
  • 284
  • 285
  • 286
  • 287
  • 288
  • 289
  • 290
  • 291
  • 292
  • 293
  • 294
  • 295
  • 296
  • 297
  • 298
  • 299
  • 300
  • 301
  • 302
  • 303
  • 304
  • 305
  • 306
  • 307
  • 308
  • 309
  • 310
  • 311
  • 312
  • 313
  • 314
  • 315
  • 316
  • 317
  • 318
  • 319
  • 320
  • 321
  • 322
  • 323
  • 324
  • 325
  • 326
  • 327
  • 328
  • 329
  • 330
  • 331
  • 332
  • 333
  • 334
  • 335
  • 336
  • 337
  • 338
  • 339
  • 340
  • 341
  • 342
  • 343
  • 344
  • 345
  • 346
  • 347
  • 348
  • 349
  • 350
  • 351
  • 352
  • 353
  • 354
  • 355
  • 356
  • 357
  • 358
  • 359
  • 360
  • 361
  • 362
  • 363
  • 364
  • 365
  • 366
  • 367
  • 368
  • 369
  • 370
  • 371
  • 372
  • 373
  • 374
  • 375
  • 376
  • 377
  • 378
  • 379
  • 380
  • 381
  • 382
  • 383
  • 384
  • 385
  • 386
  • 387
  • 388
  • 389
  • 390
  • 391
  • 392
  • 393
  • 394
  • 395
  • 396
  • 397
  • 398
  • 399
  • 400
  • 401
  • 402
  • 403
  • 404
  • 405
  • 406
  • 407
  • 408
  • 409
  • 410
  • 411
  • 412
  • 413
  • 414
  • 415
  • 416
  • 417
  • 418
  • 419
  • 420
  • 421
  • 422
  • 423
  • 424
  • 425
  • 426
  • 427
  • 428
  • 429
  • 430
  • 431
  • 432
  • 433
  • 434
  • 435
  • 436
  • 437
  • 438
  • 439
  • 440
  • 441
  • 442
  • 443
  • 444
  • 445
  • 446
  • 447
  • 448
  • 449
  • 450
  • 451
  • 452
  • 453
  • 454
  • 455
  • 456
  • 457
  • 458
  • 459
  • 460
  • 461
  • 462
  • 463
  • 464
  • 465
  • 466
  • 467
  • 468
  • 469
  • 470
  • 471
  • 472
  • 473
  • 474
  • 475
  • 476
  • 477
  • 478
  • 479
  • 480
  • 481
  • 482
  • 483
  • 484
  • 485
  • 486
  • 487
  • 488
  • 489
  • 490
2-4
Service Manual
5060-00
x
Symptom table—500-sheet drawer option
Symptom table—HCIT 2000-sheet option
Print quality: toner on the back of the page
Go to
“Toner is on the back of the printed page”
on page 2-146
.
Print quality: toner smears or rubs off the page
Go to
“Toner smears or rubs off the page with no
error code displayed” on page 2-145
.
Print quality: multiple horizontal lines
Go to
“Horizontal lines or streaks” on page 2-137
.
Fuser problem: fuser cold
Go to
“Cold fuser service” on page 2-127
.
Fuser problem: fuser running too hot
Go to
“Hot fuser service” on page 2-127
.
Fuser problem: excessive fuser drive motor assembly
noise
Go to
“Excessive fuser drive motor assembly
noise” on page 2-127
.
Close Door
displays constantly, unable to clear the
message, POR incomplete
Go to
“Close door/HVPS/printhead interlock
switch service check” on page 2-118
.
Symptom
Action
Printer fails to recognize the option is installed
Go to
“The base printer does not recognize that
tray x is installed.” on page 2-108
.
The tray
x
autocompensator fails to retract, stays in
down position
Go to
“Tray x autocompensator fails to retract,
stays in down position.” on page 2-109
.
Paper Low message appears when adequate paper is
installed (tray
x
)
Go to
“The printer does not detect paper low in
Tray x when adequate paper is installed in the
tray.” on page 2-109
.
Paper Out message appears when adequate paper is
installed (tray
x
)
Go to
“The printer does not detect paper out in
tray x when adequate paper is installed in the
tray.” on page 2-110
.
Tray
x
does not detect size media is installed
Go to
“Tray x does not detect size media is
installed” on page 2-111
.
Paper Jam 24x displayed. Media fails to feed from the
500-sheet option tray
Go to
“500-sheet drawer option (242, 243, 244)” on
page 2-77
.
Symptom
Action
Printer fails to recognize the option is installed
Go to
“Printer does not recognize that the HCIT
2000-sheet option is installed.” on page 2-128
.
HCIT does not function. There is no response. The
HCIT is inoperative.
Go to
“HCIT inoperative” on page 2-130
.
HCIT does not recognize the correct paper size
Go to
“HCIT 2000-sheet Option does not recognize
the size paper selected.” on page 2-131
.
Paper Jam 24x displayed. Media fails to feed from the
2000-sheet option.
Go to
“2000-Sheet high-capacity input tray (HCIT)
(243, 244)” on page 2-79
.
Symptom
Action