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HP LaserJet 3052 Service Manual - Page 402

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characters, partially printed 225, 229 checklist 196 cleaning page 47 contrast, copies or scans 234 control panel display 246 control panel messages 199 control panel, functional checks 247 copier feeding problems 221 copy quality 232 country/region settings 254 critical error messages 205 curled pages 216, 230 dots or streaks in scans 236 drum-rotation 248 DSL 245 event log codes 209 fax error-correction mode (ECM) 260 fax receive codes 261 fax reports 259 fax send codes 265 fax T.30 protocol trace report 260, 270 faxes 240 feeding problems 216 gray background 226 half self-test functional check 247 high-voltage contacts 249 image formation 247 image quality 223 jams 211 loose toner 227 multifeeds 216 NVRAM init 256 PABX lines 245 power 196 printing 224 receiving faxes 242 repetitive defects 228, 278 scanned text 237 scanner feeding problems 221 scanning quality 232 secondary service menu 251 sending faxes 244 skewed printed pages 229 soft reset 255 super NVRAM init 255 toner scatter 231 toner smears 227 toner specks 225 tools 259 vertical black streaks 235 vertical lines 226 white vertical stripes 231 truss head screws 285 two-way communications 70, 73 types, media HP ToolboxFX settings 59 specifications 21 typical software installation 12 U uninstalling Macintosh software 20 UNIX model scripts 13 unpacking all-in-one 28 unplugging power cord 100 updating firmware 279 usage page, printing 50 USB cable part numbers 283 USB cables not included 28 USB interface operations 71 USB port locating on HP LaserJet 3050 all-in-one 6 locating on HP LaserJet 3052/3055 all-in-one 9 type included 4 user guides, part numbers 284 V V.34 fax standard 261 vertical black streaks, troubleshooting 235 vertical defects, troubleshooting 228 vertical lines, troubleshooting 226 vertical white stripes, troubleshooting 231 VIDEO signals 68 Voice over IP (VoIP), faxing with 94 voltage DC power supply 77 fax line current control 97 high-voltage power supply 78 overvoltage protection 77 requirements 348 W WAIT period printer 68 scanner, HP LaserJet 3050 all- in-one 65 scanner, HP LaserJet 3052/3055 all-in-one 66 warning messages 199 warranty all-in-one 352 extended 353 non-HP supplies, damage from 39 print cartridges 353 waste toner receptacle 80 wave, troubleshooting 216, 230 Web sites Electronics Industry Alliance 360 Energy Star 357 environmental stewardship program 360 firmware updates 279 HP Printing Supplies Returns and Recycling Program 358 Linux and UNIX drivers 13 materail safety datat sheets 360 ordering parts 282 supplies, ordering 38 weight all-in-one 348 paper specifications 21 white platen cleaning 40 part number, HP LaserJet 3050 all-in-one 305, 333, 343 removing 131 white stripes, troubleshooting 231 Windows drivers supported 13 drivers, accessing 15 installing software 16 382 Index ENWW

Section	Page
Product information	21
All-in-one configurations	22
HP LaserJet 3050 all-in-one	22
HP LaserJet 3052/3055 all-in-one	23
All-in-one features	24
All-in-one parts	25
HP LaserJet 3050 all-in-one parts	25
Front view	25
Back view	26
Interface ports	26
Control panel	27
HP LaserJet 3052/3055 all-in-one parts	28
Front view	28
Back view	29
Interface ports	29
Control panel	30
Model and serial numbers	31
Software installation	32
Typical installation	32
Minimum installation	32
Printer drivers	33
Supported printer drivers	33
Additional drivers	33
Select the correct printer driver	34
Printer-driver Help (Windows)	34
Gaining access to the printer drivers	35
What other software is available?	35
Software for Windows	36
Software components for Windows	36
HP ToolboxFX	36
Embedded Web server (EWS)	36
Using Add or Remove Programs to uninstall	36
Software for Macintosh	38
HP Director	38
Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4)	38
PDEs (Mac OS X V10.3 and Mac OS X V10.4)	39
Installing software for Macintosh	39
Installing Macintosh printing system software for direct connections (USB)	39
Installing Macintosh printing system software for networks	40
To remove software from Macintosh operating systems	40
Choosing paper and other print media	41
Supported media weights and sizes	41
Media to avoid	43
Media that can damage the all-in-one	43
Operation	45
Site preparation	46
Prepare the location	46
Operating environment	46
Minimum system requirements	47
Unpacking	48
Contents of the HP LaserJet 3050 all-in-one box	48
Contents of the HP LaserJet 3052/3055 all-in-one box	49
Installing input devices	50
Installing the print cartridge	52
Loading media into the input trays	54
Loading documents to fax, copy, or scan	54
Loading input trays	56
Priority input slot	56
250-sheet input tray (tray 1)	56
Maintenance	57
Managing supplies	58
Life expectancies of print cartridges and parts that wear	58
Ordering supplies	58
Storing print cartridges	58
Replacing and recycling supplies	59
Changing the print cartridge	59
Changing the ADF pickup roller and load-arm assembly (HP LaserJet 3052/3055 all-in-one)	59
HP policy on non-HP supplies	59
HP fraud hotline	59
Cleaning the all-in-one	60
To clean the exterior	60
To clean the ADF scanner glass and white platen (HP LaserJet 3050 all-in-one)	60
To clean the flatbed glass and the ADF scanner glass (HP LaserJet 3052/3055 all-in-one)	62
To clean the lid backing (HP LaserJet 3052/3055 all-in-one)	63
To clean the ADF pickup-roller assembly (HP LaserJet 3052/3055 all-in-one)	64
Cleaning the paper path	67
To clean the paper path from HP ToolboxFX	67
To clean the paper path from the all-in-one control panel	68
Calibrating the scanner	69
Managing and maintaining the all-in-one	70
Information pages	70
Demo page	70
Usage page	70
Configuration page	71
Network configuration page	72
Fax logs and reports	72
HP ToolboxFX	73
To view HP ToolboxFX	73
Status	74
Event log	74
Fax	75
Fax tasks	75
Fax phone book	75
Fax Send Log	77
Fax Receive Log	77
Help	77
System settings	78
Device information	78
Paper handling	78
Print quality	79
Paper types	79
System setup	79
Service	79
Device polling	80
Print settings	80
Printing	80
PCL5e	80
PostScript	80
Network settings	80
Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4)	81
Embedded Web server	82
Features	82
Theory of operation	83
Basic operation	84
Sequence of operation	85
Sequence of operation, HP LaserJet 3050 all-in-one scanner	85
Sequence of operation, HP LaserJet 3052/3055 all-in-one scanner	86
Sequence of operation, HP LaserJet 3050/3052/3055 all-in-one printer (product base)	88
HP LaserJet 3050/3052/3055 all-in-one timing diagram—printer (product base)	89
Formatter system	90
Central processing unit	90
Line interface unit (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)	90
Standard startup process	91
All-in-one startup messages	91
RAM	91
USB interface	91
Control panel	92
Economode	92
MEt	92
Enhanced I/O	92
PJL overview	93
Printer (product base) functions	94
Engine control system (engine control unit and power-supply assembly)	95
Print-engine control system	95
Printer (product base) laser/scanner	96
Power system on the power-supply assembly	97
Ac power distribution	97
Dc power distribution	97
Overcurrent/overvoltage	97
High-voltage power distribution	98
Image-formation system	99
The seven image-formation processes	99
Print cartridge	100
Printer (product base) paper-feed system	100
Jam detection in the all-in-one	102
Conditions of jam detection	102
HP LaserJet 3050 all-in-one unique components	103
Basic operation	103
ADF pickup-and-feed system	105
Optical scanning system	107
HP LaserJet 3052/3055 all-in-one unique components	109
Scanner and ADF functions and operation	109
Scanner functions	109
Scanner operation	110
ADF operation	110
ADF paper path and ADF sensors	111
ADF jam detection	111
Fax functions and operation (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)	112
Computer and network security features	112
PSTN operation	112
Distinctive ring function	113
Faxing with Voice over IP services	114
The fax subsystem	114
Formatter in the fax subsystem	114
LIU in the fax subsystem	115
Safety isolation	115
Safety-protection circuitry	115
Data path	116
Hook state	116
Downstream current detection	116
Hook switch control	117
Ring detect	117
Line-current control	117
Billing- (metering-) tone filters	117
Fax page storage in flash memory	118
Stored fax pages	118
Advantages of flash-memory storage	118
Removal and replacement	119
Removal and replacement strategy	120
Electrostatic discharge	120
Required tools	121
Before performing service	121
After performing service	121
Post-service tests	121
Test 1 (print-quality test)	121
Test 2 (copy-quality test)	122
Test 3 (fax-quality test)	122
Parts removal order	123
HP LaserJet 3050 all-in-one	126
Link assemblies and scanner support-frame springs	127
Scanner side covers	129
Separation-pad set	131
Control-panel bezel	132
Control-panel assembly	134
Media lever and media-lever torsion spring	135
Separation-pad assembly	136
Scanner assembly	138
Scanner assembly top cover	146
Top-cover assembly	149
Pickup roller	150
White platen	151
HP LaserJet 3052/3055 all-in-one	152
ADF input tray	152
Flatbed lid	153
Link assemblies and scanner support-frame springs	156
Control-panel bezel	158
Control-panel assembly	159
ADF separation pad	161
ADF input-tray flag	162
ADF pickup roller and load-arm assembly (HP LaserJet 3052/3055 all-in-one)	163
ADF scanner glass	166
Scanner assembly	168
Printer (product base)	176
Printer separation pad	177
Print cartridge	178
Printer pickup roller	179
Installing the scanner cushions	182
Media input tray	183
Transfer roller	185
Side covers	187
Print-cartridge door	189
Rear cover and fuser cover	190
Front cover	192
Speaker assembly	194
Power supply	195
Formatter and line interface unit (LIU)	198
Scanner support-frame	202
Engine controller unit (ECU)	205
Laser/scanner assembly	209
Main motor	210
Fuser	212
Paper-pickup assembly	214
Troubleshooting	215
Troubleshooting process	216
Troubleshooting checklist	216
Control-panel messages	219
Alert and warning messages	219
Alert and warning message tables	219
Critical error messages	225
Critical error message-tables	225
Event-log codes	229
Jams	231
Causes of jams	231
Tips to avoid jams	231
Where to look for jams	232
Print cartridge area	232
Input trays	234
Output bin	235
Solving print paper-feed problems	236
Paper-feed solutions, printing	236
Jams occur in the automatic document feeder (ADF)	238
Solving ADF paper-feed problems	241
Paper-feed solutions, scanning/copying	241
Print image-quality problems	243
Checking the print cartridge	243
To redistribute the toner in the print cartridge	243
Solving print image-quality problems	244
Print image-quality solutions	244
Scan/copy image-quality problems	252
Scan/copy image-quality solutions	252
ADF problems	259
Fax troubleshooting (HP LaserJet 3050/3055 all-in-one)	260
General fax troubleshooting	260
Fax receive troubleshooting	262
Fax send troubleshooting	264
DSL problems	265
PABX line problems	265
Control-panel-display problems	266
Functional checks	267
Control-panel test	267
Half self-test functional check	267
To perform a half self-test check	268
To perform other checks	268
Drum-rotation functional check	268
High-voltage contacts check	269
To check the print-cartridge contacts	269
To check the high-voltage connector pins	270
Service-mode functions	271
Secondary service menu	271
To gain access to the secondary service menu	271
To print a list of all the fax data-store parameters	271
Developer’s menu	272
To gain access to the developer’s menu	273
To adjust fax data-store parameters	273
To scroll quickly to a particular data-store parameter	273
Changing the country/region code parameters	274
To change the country/region from one location to another	274
To set the language and location if none is set	274
Soft reset	275
Performing a soft reset	275
Super NVRAM init	275
To perform a super NVRAM init	275
NVRAM init	276
To perform an NVRAM init	276
System settings for localized products	277
Printer job language (PJL) software commands	278
Troubleshooting tools	279
Printing a configuration report, demonstration page, or menu structure	279
Printing all fax reports at once (HP LaserJet 3050/3055 all-in-one)	279
T.30 protocol trace (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)	280
To print a T.30 protocol trace report	280
Fax error-correction mode (ECM) (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)	280
V.34 fax standard	281
Fax receive and fax send codes	281
Translating the fax trace report (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)	290
Repetitive image defect ruler	298
Firmware updates and recovery	299
Parts and diagrams	301
Ordering parts and supplies	302
Parts that wear	302
Parts	302
World-wide customer support	302
Accessories	303
Documentation	304
Common hardware	305
How to use the parts lists and diagrams	305
Replacing the printer engine assembly	305
Diagrams	308
Component locations, HP LaserJet 3050/3052/3055 all-in-one printer (product base)	308
Main wiring	311
Formatter PCA and LIU connectors	315
HP LaserJet 3050 all-in-one scanner assembly	318
ADF components, HP LaserJet 3050 all-in-one	320
Guide assembly, HP LaserJet 3050 all-in-one	324
HP LaserJet 3052/3055 all-in-one scanner assembly	326
Major assemblies, HP LaserJet 3052/3055 all-in-one	328
Scanner components, HP LaserJet 3052/3055 all-in-one	330
Printer (product base), HP LaserJet 3050/3052/3055 all-in-one	334
External covers, printer (product base)	336
Formatter and LIU	338
Internal components, printer (product base)	340
Alphabetical parts list	346
Numerical parts list	356
All-in-one specifications	367
Physical specifications	368
Electrical specifications	368
Power consumption	369
Environmental specifications	369
Acoustic emissions	370
Service and support	371
Hewlett-Packard limited warranty statement	372
Print Cartridge Limited Warranty Statement	373
Extended warranty	373
Regulatory information	375
FCC compliance	376
Environmental Product Stewardship program	377
Protecting the environment	377
Ozone production	377
Power consumption	377
Toner consumption	377
Paper use	377
Plastics	377
HP LaserJet printing supplies	378
HP Printing Supplies Returns and Recycling Program Information	378
U.S. returns	378
Non-U.S. returns	378
Paper	378
Material restrictions	379
Nederlands	379
Taiwan	380
Disposal of waste equipment by users in private household in the European Union	380
Material safety data sheet	380
For more information	380
Telephone Consumer Protection Act (United States)	382
IC CS-03 requirements	382
EU statement for telecom operation	383
New Zealand telecom statements	383
Declaration of conformity (HP LaserJet 3390, 3392, 3055, and 3050)	384
Declaration of conformity (HP LaserJet 3052)	385
Country-/region-specific safety statements	386
Laser safety statement	386
Canadian DOC statement	386
Korean EMI statement	386
Finnish laser statement	387

Match case Limit results 1 per page

characters, partially printed

225, 229

checklist

196

cleaning page

contrast, copies or scans

234

control panel display

246

control panel messages

199

control panel, functional checks

247

copier feeding problems

221

copy quality

232

country/region settings

254

critical error messages

205

curled pages

216, 230

dots or streaks in scans

236

drum-rotation

248

DSL

245

event log codes

209

fax error-correction mode (ECM)

260

fax receive codes

261

fax reports

259

fax send codes

265

fax T.30 protocol trace report

260, 270

faxes

240

feeding problems

216

gray background

226

half self-test functional check

247

high-voltage contacts

249

image formation

247

image quality

223

jams

211

loose toner

227

multifeeds

216

NVRAM init

256

PABX lines

245

power

196

printing

224

receiving faxes

242

repetitive defects

228, 278

scanned text

237

scanner feeding problems

221

scanning quality

232

secondary service menu

251

sending faxes

244

skewed printed pages

229

soft reset

255

super NVRAM init

255

toner scatter

231

toner smears

227

toner specks

225

tools

259

vertical black streaks

235

vertical lines

226

white vertical stripes

231

truss head screws

285

two-way communications

70, 73

types, media

HP ToolboxFX settings

specifications

typical software installation

uninstalling Macintosh software

UNIX model scripts

unpacking all-in-one

unplugging power cord

100

updating firmware

279

usage page, printing

USB cable

part numbers

283

USB cables

not included

USB interface operations

USB port

locating on HP LaserJet 3050

all-in-one

locating on HP LaserJet

3052/3055 all-in-one

type included

user guides, part numbers

284

V.34 fax standard

261

vertical black streaks,

troubleshooting

235

vertical defects, troubleshooting

228

vertical lines, troubleshooting

226

vertical white stripes,

troubleshooting

231

VIDEO signals

Voice over IP (VoIP), faxing with

voltage

DC power supply

fax line current control

high-voltage power supply

overvoltage protection

requirements

348

WAIT period

printer

scanner, HP LaserJet 3050 all-

in-one

scanner, HP LaserJet

3052/3055 all-in-one

warning messages

199

warranty

all-in-one

352

extended

353

non-HP supplies, damage from

print cartridges

353

waste toner receptacle

wave, troubleshooting

216, 230

Web sites

Electronics Industry Alliance

360

Energy Star

357

environmental stewardship

program

360

firmware updates

279

HP Printing Supplies Returns

and Recycling Program

358

Linux and UNIX drivers

materail safety datat sheets

360

ordering parts

282

supplies, ordering

weight

all-in-one

348

paper specifications

white platen

cleaning

part number, HP LaserJet 3050

all-in-one

305, 333, 343

removing

131

white stripes, troubleshooting

231

Windows

drivers supported

drivers, accessing

installing software

382

Index

ENWW