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HP LaserJet 9000 9000n 9000dn 9000hns

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HP LaserJet 9000 9000n 9000dn 9000hns Manuel de service

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Description

HP LaserJet 9000 9000n 9000dn 9000hns Service Manual

Part number: C8519-90912

First Edition, May 2001

HP LaserJet 9000 printer (C8519A)

HP LaserJet 9000n printer (C8520A)

HP LaserJet 9000dn printer (C8521A)

HP LaserJet 9000hns printer (C8522A)

List of tables
List of figures
1 Product information
Product features . 16
Product specifications . 18
Product overview. 20
External assembly locations 20
Interface connections 21
Optional accessories. 22
Regulatory information 23
Regulatory requirements23
FCC regulations 23
Declaration of conformity . 23
Environmental product stewardship program 23
Service approach 24
Parts and supplies 24
Warranty 24
Limited warranty for print cartridge life . 24
Service and support . 25
Worldwide service and support offices . 25
2 Product requirements
Site requirements 28
Operating environment 28
Space requirements . 29
Media specifications 31
Guidelines for selecting paper . 31
Special media specifications. 31
Storing print media 34
Testing media specifications 35
Tools and suppliers . 39
Media input/output options . 40
Trays, bins, and paper handling 40
Media sizes 41
3 Product configuration
Using the control panel . 46
Control panel keys 46
Numeric keypad commands 47
Settings and defaults48
Setting the display language. 48
Setting tray registration 48
Printer driver information51
Factory default settings 51

Control panel menus . 54
Using a menu map54
Menu map 55
Retrieve job menu 60
Information menu . 60
Paper handling menu60
Configure device menu 61
Network and mass storage. 63
Remote firmware upgrade (RFU) . 64
Downloading the new firmware to the printer64
Using HP Web JetAdmin . 64
4 Product maintenance
Preventative maintenance . 68
Preventive maintenance kit contents 68
Cleaning the printer and accessories . 69
General cleaning . 69
Internal cleaning70
Fuser cleaning . 73
Print cartridge information . 75
Storage. 75
Handling instructions 75
Refilled print cartridges 76
Print cartridge weights . 76
Print cartridge life expectancy . 76
Saving toner with EconoMode . 76
5 Theory of operation
Basic operation79
Sequence of operation . 80
Power-on sequence 82
Timing chart . 83
Engine control system 84
DC controller PCB 85
DC controller operations . 86
High-voltage power supply circuit 87
Low-voltage power supply unit. 89
Formatter system 90
Formatter hardware . 90
Formatter subsystem 91
Laser/scanner system 92
Image formation system 93
The eight processes of image formation . 93
Print cartridge94
Pickup and feed system . 96
Media-size detection 96
Media-level detection 96
Multifeed prevention. 96
Overhead transparency detection 96
Fuser wrapping jam detection . 96
Jam detection . 97
Optional tray 1 . 102
Tray 1 driver PCB102
Power supply . 102
Sequence of operation 102
Pickup and feed . 103
Jam detection 103

Optional tray 4 . 104
Tray 4 driver PCB 104
Power supply . 104
Sequence of operation 104
Pickup and feed . 105
Media level and size detection 105
Jam detection . 105
Optional 3000-sheet stapler/stacker . 106
Controller PCB 106
Power supply . 106
Power-on sequence 106
Main modules . 107
Paper path and jam detection 108
Stapler bin full condition . 109
Optional 3000-sheet stacker . 110
Controller PCB 110
Power supply . 110
Power-on sequence 110
Main modules . 111
Paper path and jam detection 112
Stacker bin full condition. 113
6 Removal and replacement
Introduction 117
Removal and replacement strategy 117
Repair notices. 117
Electrostatic discharge (ESD) . 117
Required tools. 117
Orientation of the printer (with tray 4) . 118
Covers 119
Right top cover 119
Left top cover . 120
Front cover . 121
Right door 122
Right lower cover 123
Left door and diverter . 124
Left back cover 125
Back cover . 126
Rail covers . 127
Top assemblies . 128
Control panel128
Laser/scanner assembly . 129
Delivery assembly . 130
Delivery fan assembly. 131
Delivery assembly fans and face-down bin fan (fans #3, #6, and #4) 132
Delivery motor. 133
Cartridge release lever 134
Front assemblies 135
Print cartridge . 135
Transfer roller assembly . 136
Tray 2 or tray 3 (interchangeable)136
Rollers (pickup, feed, or separation) 137
Fuser jam removal knob . 138
Registration jam removal knob 139
Right assemblies 140
Tray 1 . 140
Paper input unit (PIU) . 141
Registration assembly. 144
Transfer guide assembly 145
Left assemblies. 146
Duplexer. 146
Fuser assembly . 147
Back assemblies148
Formatter 148
Low-voltage power supply (LVPS) . 149
High-voltage power supply (HVPS) 150
DC controller . 151
Toner-sensor contact assembly . 152
Cartridge memory PCA . 153
Drum motor 154
Feed-drive assembly . 155
Power supply fan (fan #1) . 156
Cartridge fan (fan #5) . 157
Controller fan (fan #2) 158
2000-sheet feeder (tray 4) 159
Orientation . 159
Left side cover 159
Right side cover 160
Back covers 161
Tray 4 . 162
Rollers (pickup, feed, and separation) . 163
Registration assembly 164
Drive motor. 165
Drive assembly165
Controller board . 166
Paper-size detection switch PCB . 167
Power supply . 168
Pickup assembly 169
Paper connecting unit 170
3000-sheet stapler/stacker and 3000-sheet stacker. 171
Output accessory removal 171
Parts removal . 171
Orientation of the stapler/stacker 172
Face-up bin 173
Stapler/stacker bin (stapler/stacker only) or stacker bin (stacker only) . 173
Back inner cover and front inner cover . 174
Front cover . 175
Back cover 176
Foot cover . 177
Door assembly . 177
Controller PCA cover 178
Flipper assembly 179
Paper path assembly 180
Accumulator wings (stapler/stacker only) . 181
Paper stopper clips 182
Accumulator assembly (stapler/stacker only). 183
Carriage assembly (stapler/stacker only) 185
Offset module (stacker only) . 186
Stapler (stapler/stacker only) . 187
Controller PCA . 188
Power supply . 189
LED PCA 190
Interlock switch . 191
Safety switch assembly (stapler/stacker only) 192
Optical sensors . 193
Cable assembly . 194
Casters . 195
7 Troubleshooting
Troubleshooting process . 199
Basic troubleshooting process flow. 200
Preliminary operating checks 202
General troubleshooting information . 203
Miscellaneous problems and solutions 203
Power-on 206
Troubleshooting with control panel messages . 207
Control panel display . 207
Event log page 207
Control panel messages 210
Control panel and event log message format . 211
Printer message tables 211
Alphabetic error messages 211
Numeric error messages 221
User/service level diagnostics 238
Paper path test 238
Service test 238
Engine test 240
Setting the display language241
Re-initializing a hard disk 241
Service level diagnostics 242
Service menu . 242
Service mode . 242
Accessories diagnostics 246
2000-sheet feeder diagnostics 246
3000-sheet stapler/stacker and stacker diagnostics . 249
Jam troubleshooting . 254
Jams 255
Customer print job255
Clearing jams . 255
Evaluate the information pages. 256
Configuration page 256
Jetdirect page 259
Supplies status page . 260
Usage page . 261
File directory page . 262
Image-formation troubleshooting . 263
Check the print cartridge. 264
Image defect tables. 265
Repeating defect ruler 273
Media troubleshooting 274
Determine the problem source: print media or printer 274
Isolate a paper path 274
Isolate a media brand . 275
Isolate a media type 275
Communication troubleshooting 276
Communications check276
Jetdirect configuration 276
Verify network and server operation 276
Wiring diagram . 277
8 Parts and diagrams
Introduction280
Ordering parts 280
Consumables, supplies, accessories, FRUs, and documentation . 281
Common hardware. 283
Illustrations and parts lists 284
External covers and panels 284
Left door and diverter 286
Right cover assembly. 288
Internal . 290
Internal components290
Drum feed drive assembly . 298
Fuser delivery drive assembly 299
Cartridge lifter assembly 300
500-sheet trays (tray 2 and 3) 301
Paper input unit (PIU). 302
Registration assembly 303
Transfer roller assembly. 304
Delivery assembly . 306
PCB assembly location . 308
2000-sheet feeder (optional tray 4) . 310
2000-sheet feeder (optional tray 4) main body . 310
2000-sheet feeder (optional tray 4) drive assembly 314
2000-sheet feeder (optional tray 4) PCB location . 315
Optional tray 1 . 316
Optional tray 1 assembly 316
Paper handling output device 318
3000-sheet stapler/stacker. 318
3000-sheet stacker. 322
Alphabetical parts list 326
Numerical parts list 334







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