EXP Computer C4077-90960 User Manual Page 168
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- Table of contents
- TROUBLESHOOTING
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Laser/Scanner Assembly
Caution
The Laser Scanner diode is extremely sensitive to ESD.
1 Remove the toner cartridge.
2 Remove the top cover (see Figure 6-8).
3 Unplug three cable connectors (Figure 6-26, callout 1).
4 Re-route the cable running across the top of the assembly so that it is out of the way.
Caution
Do not touch the scanner mirror located under the forward edge of the assembly.
Use approved ESD handling procedures when touching the Beam Detect PCA.
5 Remove (4) screws, CH105 (Figure 6-26, callout 2).
To Reinstall:
Make sure that the locator pins are properly seated.
Laser/Scanner Assembly
Figure 6-26
6
Removal and
Replacement
Removal and Replacement 6-41
- HP LaserJet 5Si Family 1
- Printers Service Manual 1
- Service Manual 2
- Conventions 4
- Chapter Descriptions 5
- I\O Information 6
- Subject Index 6
- List of Figures 7
- List of Tables 12
- Product Information 14
- Printer Features 16
- Paper Capacities and Sizes 17
- Identification 20
- Specifications 21
- Media Selection Guidelines 24
- Adhesive Labels 25
- Transparencies 25
- Storing Print Media 26
- Shipping Print Media 26
- Product Overview 27
- Formatter Assemblies 29
- Accessories and Options 30
- Hard Disk 32
- • Use many downloaded fonts 33
- • Print complex documents 33
- Service Approach 34
- Consumables 35
- Toner Cartridge Life 35
- Cartridges 36
- Recycling Toner Cartridges 36
- Technical Assistance 38
- HP CompuServe Forum 39
- Internet 39
- World Wide Web 39
- Other Areas 39
- Warranty 40
- Warranty Limitations 41
- Site Requirements 42
- 2-2 Site Requirements 43
- Operating Environment 44
- Space Requirements 45
- Environmental Requirements 45
- Operating Overview 46
- 3-2 Operating Overview 47
- Using the Control Panel 48
- Indicator Lights 49
- Settings and Defaults 50
- Printer Driver Information 50
- Paper Source Default 50
- Restoring Factory Defaults 51
- Setting the Display Language 51
- Operating 52
- Operating Overview 3-7 52
- Control Panel Menus 55
- Tray Menu 57
- Job Control Menu 58
- Test Menu 59
- Configuration Menu 60
- 3-16 Operating Overview 61
- Print Quality Menu 62
- PostScript Menu 62
- PCL Menu 63
- I/O Menu 64
- MIO 1 and 2 Menus 65
- Service Mode 66
- 3-22 Operating Overview 67
- PowerSave 69
- Testing the Printer 70
- Figure 3-3 PCL Menu Map Page 73
- 3-28 Operating Overview 73
- Cold Reset 75
- Maintenance and Adjustments 76
- Cleaning the Printer 79
- Cleaning Spilled Toner 80
- Preventative Maintenance 81
- (Top Of Page) 82
- 6 After adjusting: 83
- Tray 4 Adjustment Procedure 84
- 10 Tighten both screws 85
- Functional Overview 86
- Basic Printer Functionality 88
- FunctionalBlockDiagram 89
- Power Distribution System 90
- AC Power Distribution 91
- Toner Cartridge Detection 92
- Print Density Adjustment 92
- Formatter System 93
- Resolution Enhancement (REt) 94
- EconoMode 94
- DC Controller System 95
- Engine Test Microswitch 96
- Image Formation System 97
- Toner Cartridge 98
- Drum Cleaning 99
- Drum Conditioning 100
- Image Writing 101
- Image Developing 102
- Image Fusing 104
- Paper Paths and Components 105
- Functional Overview 5-21 106
- Functional 106
- Overview 106
- 5-22 Functional Overview 107
- 5-24 Functional Overview 109
- Functional Overview 5-25 110
- SW601 SW602 Remaining Paper 111
- ON ON 100% 111
- OFF ON 75% 111
- OFF OFF 50% 111
- ON OFF 25% 111
- Functional Overview 5-27 112
- Multi-Bin Mailbox Components 113
- Functional Overview 5-29 114
- 5-30 Functional Overview 115
- Multi-Bin Mailbox Operation 116
- PAPER FEED CYCLE 118
- STAPLING CYCLE 118
- EJECT CYCLE STACKING 118
- 5-34 Functional Overview 119
- Functional Overview 5-35 120
- Paper Feed Cycle 121
- Stapling Cycle 122
- Eject Cycle 122
- Power-On or Reset Sequence 122
- Printer Input Sources 123
- Printing from Tray 1 124
- Two-Sided Printing 124
- Paper Jam Detection 125
- Printer Timing 125
- Functional Overview 5-41 126
- 5-42 Functional Overview 127
- Removal and Replacement 128
- 6-4 Removal and Replacement 131
- Required Tools 133
- User Installable Accessories 134
- Disk Drive 135
- To Reinstall Disk Drive 136
- Duplex Unit 137
- Envelope Feeder 138
- Hardware Table 142
- 6-16 Removal and Replacement 143
- Control Panel 144
- AC Access Cover 145
- Back Cover 146
- Front Cover 147
- Left Lower Cover 149
- Top Cover 150
- Top Cover (1 of 2) 151
- Top Cover (2 of 2) 151
- Figure 6-8 151
- Figure 6-9 151
- 6-24 Removal and Replacement 151
- • Top Cover (see Figure 6-8) 152
- Delivery Unit (1 of 2) 153
- Delivery Unit (2 of 2) 153
- Figure 6-10 153
- Figure 6-11 153
- 6-26 Removal and Replacement 153
- Diverter Assembly 154
- Door Assembly, Diverter 155
- Door Assembly, Right Lower 156
- Figure 6-15 157
- Figure 6-16 157
- 6-30 Removal and Replacement 157
- Fan Housing 158
- Fan Motor 159
- Fan 2, Exhaust (LVPS) 160
- Fan Housing (See Fan 2) 161
- Feeder Assembly 163
- Formatter Assembly 165
- Fusing Assembly 167
- Laser/Scanner Assembly 168
- Main Gear Assembly 169
- Main Gear Assembly (3 of 3) 171
- Figure 6-29 171
- 6-44 Removal and Replacement 171
- Main Motor Assembly 172
- Paper Input Unit (PIU) 173
- PCA, DC Controller 174
- PCA, Output Paper Sensor 175
- Figure 6-35 177
- Figure 6-36 177
- 6-50 Removal and Replacement 177
- PCA, Paper Size 178
- Figure 6-39 179
- 6-52 Removal and Replacement 179
- Paper Size PCA (2 of 3) 179
- Paper Size PCA (3 of 3) 179
- Figure 6-38 179
- Registration Assembly 182
- Figure 6-43 183
- Figure 6-42 183
- 6-56 Removal and Replacement 183
- Figure 6-44 184
- Removal and 184
- Replacement 184
- Removal and Replacement 6-57 184
- Feed Roller 185
- Separation Pad 186
- 1 Remove Trays 2 and 3 187
- Sensor, Registration (PS1) 189
- Transfer Roller Assembly 191
- Tray 1 Assembly 192
- Tray 2/3 Assemblies 193
- Left Cover 195
- Right Cover 196
- Main Drive Assembly 197
- Paper Tray 198
- PCA, Controller 199
- Pickup Assembly 200
- Pickup Assembly Photosensors 201
- Power Supply 202
- Switch Assembly, Paper Size 204
- Transfer Assembly 205
- Tray 4, Transfer Assembly 206
- Figure 6-64 206
- Removal and Replacement 6-79 206
- Delivery Head Assembly 208
- Figure 6-67 209
- Figure 6-68 209
- 6-82 Removal and Replacement 209
- Flipper Assembly 210
- Figure 6-70 211
- Figure 6-71 211
- 6-84 Removal and Replacement 211
- Input Paper Guide 212
- Interlock Switch 213
- Jam Access Door Assembly 214
- Figure 6-76 216
- Removal and Replacement 6-89 216
- Figure 6-81 221
- 6-94 Removal and Replacement 221
- Motor, Delivery Head Position 222
- Paper Bins and Blind Cover 225
- Strings, Anti-Curl 227
- Stapling Unit Assembly 229
- Back Plate 230
- Figure 6-93 231
- 6-104 Removal and Replacement 231
- Stapling Unit Controller PCA 232
- Figure 6-95 233
- Figure 6-96 233
- 6-106 Removal and Replacement 233
- Top Cover Assembly 234
- Stapling Bed Assembly 235
- 6-110 Removal and Replacement 237
- Troubleshooting 238
- Troubleshooting Process 240
- 7-4 Troubleshooting 241
- Troubleshooting 7-5 242
- Power-On 243
- Engine Test 245
- Configuration 247
- Configuration Page Example 249
- Figure 7-5 249
- 7-12 Troubleshooting 249
- Menu Page Example 250
- HP LaserJet Family Paper 252
- Specification Guide 252
- Check the Toner Cartridge 253
- Faulty Image Examples 253
- Error Log 254
- Communication 256
- Verify Host System Operation 257
- Verification 258
- Customer Print Job 259
- Reference 260
- Error Log Table 261
- When the output bin 262
- <media 266
- Figure 7-16 273
- 7-36 Troubleshooting 273
- , exit flap 284
- HP LaserJet 301
- Table 7-7 Black Page 302
- HP LaserJet Printer 303
- Image System Troubleshooting 311
- 1 Open the top cover 312
- Troubleshooting Checks 314
- • 1 mm over 260 mm length 318
- Paper Curl 322
- Diagrams 323
- Troubleshooting 7-87 324
- 7-88 Troubleshooting 325
- Troubleshooting 7-89 326
- 7-90 Troubleshooting 327
- Troubleshooting 7-91 328
- 7-92 Troubleshooting 329
- Troubleshooting 7-93 330
- 7-94 Troubleshooting 331
- Troubleshooting 7-95 332
- 7-96 Troubleshooting 333
- Troubleshooting 7-97 334
- MULTI-BIN 335
- CONTROLLER 335
- Troubleshooting 7-99 336
- 7-100 Troubleshooting 337
- Parts and Diagrams 338
- 8-2 Parts and Diagrams 339
- Ordering Parts 340
- Accessories and Supplies 341
- Illustrations and Parts Lists 342
- 8-6 Parts and Diagrams 343
- Parts and 344
- Parts and Diagrams 8-7 344
- 8-8 Parts and Diagrams 345
- Parts and Diagrams 8-9 346
- 8-10 Parts and Diagrams 347
- Parts and Diagrams 8-11 348
- 8-12 Parts and Diagrams 349
- Parts and Diagrams 8-13 350
- 8-14 Parts and Diagrams 351
- Parts and Diagrams 8-15 352
- 8-16 Parts and Diagrams 353
- Parts and Diagrams 8-17 354
- 8-18 Parts and Diagrams 355
- Parts and Diagrams 8-19 356
- 8-20 Parts and Diagrams 357
- Parts and Diagrams 8-21 358
- 8-22 Parts and Diagrams 359
- Parts and Diagrams 8-23 360
- 8-24 Parts and Diagrams 361
- Parts and Diagrams 8-25 362
- 8-26 Parts and Diagrams 363
- Parts and Diagrams 8-27 364
- 8-28 Parts and Diagrams 365
- Parts and Diagrams 8-29 366
- 8-30 Parts and Diagrams 367
- Parts and Diagrams 8-31 368
- 8-32 Parts and Diagrams 369
- Parts Index 370
- Alphabetical Parts Index 371
- Parts Index A-3 372
- A-4 Parts Index 373
- Parts Index A-5 374
- A-6 Parts Index 375
- Parts Index A-7 376
- A-8 Parts Index 377
- Parts Index A-9 378
- A-10 Parts Index 379
- Numerical Parts Index 380
- A-12 Parts Index 381
- Parts Index A-13 382
- A-14 Parts Index 383
- Parts Index A-15 384
- A-16 Parts Index 385
- Parts Index A-17 386
- A-18 Parts Index 387
- I/O Information 388
- Connecting to a Network 392
- DIN-8 (LocalTalk) Interface 393
- Configuring TCP/IP Parameters 395
- • Subnet mask (4 bytes) 395
- • Default gateway (4 bytes) 395
- Regulatory Information 398
- Laser Statement (Finland) 399
- Toner Safety 400
- Ozone Emission 400
- FCC Regulations 401
- VCCI Statement (Japan) 401
- C-6 Regulatory Information 403
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