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HP LaserJet 3052 Service Manual - Page 394

LSTR Last Rotation Period, HP ToolboxFX settings

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lift plate 80 light copies or scans, troubleshooting 234 lights, all-in-one control panel startup messages 71 lights, scanning system 87 line current control, fax 97 lines, troubleshooting copies or scans 235 printed pages 226 white, vertical 231 link assemblies, removing HP LaserJet 3050 all-in-one 107 HP LaserJet 3052/3055 all-inone 136 link assembly, part numbers HP LaserJet 3052/3055 all-inone 312, 334, 339 Linux drivers 13 LIU connectors 297 data path 96 hook switch control 97 operations 70 regional versions 95, 257 removing 178 ring detect 97 safety isolation circuitry 95 safety protection 95 load-arm assembly, ADF 143 loading input trays 36 originals in ADF 34 originals on flatbed scanner 34 priority input slot 36 localized products receiving faxes 257 long pages, copying or scanning 221 long-document jams, ADF 91 loose toner, troubleshooting 227 LSTR (Last Rotation Period) 68 M machine screws 285 Macintosh Configure Device 61 drivers supported 13 drivers, accessing 15 installing for direct connections 19 installing for networks 20 software features 18 system requirements 27 uninstalling software 20 Macintosh Configure Device 18 main input tray feeding operations 80 feeding problems, troubleshooting 216 part number 315, 333, 344 removing 163 main motor, removing 190 main wiring diagrams 291 manuals, ordering 282 margins, minimum 224 material safety data sheets 360 media ADF feeding operations, HP LaserJet 3050 all-in-one 85 ADF feeding operations, HP LaserJet 3052/3055 all-inone 90 curl, troubleshooting 216, 230 feed system operations 80 HP ToolboxFX settings 59 loading input trays 36 priority input slot 36 selecting 21 specifications 21 types to avoid 23 media guides cleaning 227 troubleshooting 221 media lever, HP LaserJet 3050 allin-one removing 115 memory buffer 72 configuration page 51 error messages 202 firmware updates 279 flash, fax 98 HP LaserJet 3050 all-in-one, base 2 HP LaserJet 3052/3055 all-inone, base 3 NVRAM init 256 RAM 71 super NVRAM init 255 system requirements, software installation 27 Memory Enhancement technology (MEt) 72 menu structure report, printing 259 menus developer 252 secondary service 251 mercury specifications 359 messages control panel 199 critical 205 startup 71 minimum software installation 12 mirror operations 79 misalignment, troubleshooting 229 model number, locating 11 models HP LaserJet 3050 all-in-one 2 HP LaserJet 3052/3055 all-inone 3 motors diagrams 289 operations 75 removing 190 stepping, part number 321 multifeeds ADF 221 printer input trays 216 N network device polling 60 DSL, troubleshooting 245 Macintosh software installation 20 specifications 4 Network configuration page, printing 52 network port, locating 9 Network Settings tab, HP ToolboxFX 60 New Zealand telecom statements 363 noise specifications 350 374 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

lift plate

light copies or scans,

troubleshooting

234

lights, all-in-one control panel

startup messages

lights, scanning system

line current control, fax

lines, troubleshooting

copies or scans

235

printed pages

226

white, vertical

231

link assemblies, removing

HP LaserJet 3050 all-in-one

107

HP LaserJet 3052/3055 all-in-

one

136

link assembly, part numbers

HP LaserJet 3052/3055 all-in-

one

312, 334, 339

Linux drivers

LIU

connectors

297

data path

hook switch control

operations

regional versions

95, 257

removing

178

ring detect

safety isolation circuitry

safety protection

load-arm assembly, ADF

143

input trays

originals in ADF

originals on flatbed scanner

priority input slot

localized products

receiving faxes

257

long pages, copying or scanning

221

long-document jams, ADF

loose toner, troubleshooting

227

LSTR (Last Rotation Period)

machine screws

285

Macintosh

Configure Device

drivers supported

drivers, accessing

installing for direct connections

installing for networks

software features

system requirements

uninstalling software

Macintosh Configure Device

main input tray

feeding operations

feeding problems,

troubleshooting

216

part number

315, 333, 344

removing

163

main motor, removing

190

main wiring diagrams

291

manuals, ordering

282

margins, minimum

224

material safety data sheets

360

media

ADF feeding operations,

HP LaserJet 3050 all-in-one

ADF feeding operations,

HP LaserJet 3052/3055 all-in-

one

curl, troubleshooting

216, 230

feed system operations

HP ToolboxFX settings

loading input trays

priority input slot

selecting

specifications

types to avoid

media guides

cleaning

227

troubleshooting

221

media lever, HP LaserJet 3050 all-

in-one

removing

115

memory

buffer

configuration page

error messages

202

firmware updates

279

flash, fax

HP LaserJet 3050 all-in-one,

base

HP LaserJet 3052/3055 all-in-

one, base

NVRAM init

256

RAM

super NVRAM init

255

system requirements, software

installation

Memory Enhancement technology

(MEt)

menu structure report, printing

259

menus

developer

252

secondary service

251

mercury specifications

359

messages

control panel

199

critical

205

startup

minimum software installation

mirror operations

misalignment, troubleshooting

229

model number, locating

models

HP LaserJet 3050 all-in-one

HP LaserJet 3052/3055 all-in-

one

motors

diagrams

289

operations

removing

190

stepping, part number

321

multifeeds

ADF

221

printer input trays

216

network

device polling

DSL, troubleshooting

245

Macintosh software installation

specifications

Network configuration page,

printing

network port, locating

Network Settings tab,

HP ToolboxFX

New Zealand telecom statements

363

noise specifications

350

374

Index

ENWW