Compaq 3052 - LaserJet All-in-One B/W Laser manuals

Owner’s manuals and user’s guides for Laser/LED printers Compaq 3052 - LaserJet All-in-One B/W Laser.
We providing 1 pdf manuals Compaq 3052 - LaserJet All-in-One B/W Laser for download free by document types: Service Manual


Table of contents

Service Manual

1

Table of contents

5

List of tables

15

List of figures

17

1 Product information

21

All-in-one configurations

22

All-in-one features

24

All-in-one parts

25

Interface ports

26

Control panel

27

Front view

28

Back view

29

Model and serial numbers

31

Software installation

32

Printer drivers

33

Printer-driver Help (Windows)

34

ENWW Software installation 15

35

Software for Windows

36

4. Click Remove

37

ENWW Software installation 17

37

Software for Macintosh

38

Media to avoid

43

2 Operation

45

(15.5 inches)

46

Minimum system requirements

47

28 Chapter 2 Operation ENWW

48

ENWW Unpacking 29

49

Loading input trays

56

3 Maintenance

57

Table 3-1 Life expectancies

58

HP policy on non-HP supplies

59

HP fraud hotline

59

Cleaning the all-in-one

60

3052/3055 all-in-one)

62

2. Open the ADF cover

64

Cleaning the paper path

67

Calibrating the scanner

69

Information pages

70

Self Test / Configuration

71

Network configuration page

72

Fax logs and reports

72

HP ToolboxFX

73

System settings

78

Print settings

80

Network settings

80

Embedded Web server

82

4 Theory of operation

83

Sequence of operation

85

ENWW Basic operation 67

87

ENWW Basic operation 69

89

Formatter system

90

Standard startup process

91

USB interface

91

Economode

92

Enhanced I/O

92

PJL overview

93

FORMATTER

94

ENGINE CONTROL SYSTEM

94

PAPER PICKUP/FEED

94

LASER/SCANNER UNIT

94

Print-engine control system

95

+5 Vdc ADF motor and scanner

97

Image-formation system

99

Print cartridge

100

Conditions of jam detection

102

Basic operation

103

1 Optical scanning system

104

2 ADF pickup-and-feed system

104

ADF pickup-and-feed system

105

Optical scanning system

107

Scanner functions

109

Scanner operation

110

ADF operation

110

ADF jam detection

111

PSTN operation

112

Distinctive ring function

113

The fax subsystem

114

LIU in the fax subsystem

115

Data path

116

Hook state

116

Downstream current detection

116

Hook switch control

117

Ring detect

117

Line-current control

117

Stored fax pages

118

5 Removal and replacement

119

Electrostatic discharge

120

Required tools

121

Before performing service

121

After performing service

121

Post-service tests

121

Test 2 (copy-quality test)

122

Test 3 (fax-quality test)

122

Parts removal order

123

Scanner side covers

124

HP LaserJet 3050 all-in-one

126

Separation-pad set

131

Control-panel bezel

132

Control-panel assembly

134

Separation-pad assembly

136

Scanner assembly

138

Scanner assembly top cover

146

Top-cover assembly

149

Pickup roller

150

White platen

151

ADF input tray

152

Flatbed lid

153

ADF separation pad

161

ADF input-tray flag

162

1. Open the ADF cover

163

ADF scanner glass

166

Printer (product base)

176

Printer separation pad

177

Printer pickup roller

179

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

Scanner support-frame

202

Engine controller unit (ECU)

205

Laser/scanner assembly

209

Main motor

210

Paper-pickup assembly

214

6 Troubleshooting

215

Troubleshooting process

216

Control-panel messages

219

Critical error messages

225

Table 6-3 Event-log codes

229

Causes of jams

231

Tips to avoid jams

231

Where to look for jams

232

Print cartridge area

232

ENWW Jams 213

233

Input trays

234

Output bin

235

ENWW Jams 217

237

ENWW Jams 221

241

Print image-quality problems

243

Print image-quality solutions

244

Cause Solution

257

ADF problems

259

General fax troubleshooting

260

Fax receive troubleshooting

262

Fax send troubleshooting

264

DSL problems

265

Functional checks

267

To perform other checks

268

High-voltage contacts check

269

Service-mode functions

271

Developer’s menu

272

Main menu Submenu Submenu

273

Error Diffusion

273

Clock Dithering On

273

Pick and Kick (none)

273

Soft reset

275

Super NVRAM init

275

NVRAM init

276

Table 6-5 System settings

277

Troubleshooting tools

279

3055 all-in-one only)

280

Table 6-6 Fax receive codes

281

Table 6-7 Fax send codes

285

Firmware updates and recovery

299

7 Parts and diagrams

301

Ordering parts and supplies

302

Table 7-2 Accessories

303

Table 7-3 Documentation

304

Table 7-4 Common fasteners

305

ENWW Accessories 287

307

Diagrams

308

ENWW Diagrams 289

309

Figure 7-3 PCBs

310

Main wiring

311

Formatter

312

HP LaserJet 3050

312

ENWW Diagrams 293

313

HP LaserJet 3052/3055

314

ENWW Diagrams 295

315

ENWW Diagrams 297

317

Formatter and LIU

338

Table 7-17 Formatter and LIU

339

Alphabetical parts list

346

Numerical parts list

356

ENWW Numerical parts list 337

357

ENWW Numerical parts list 339

359

ENWW Numerical parts list 341

361

ENWW Numerical parts list 343

363

ENWW Numerical parts list 345

365

A All-in-one specifications

367

Physical specifications

368

Electrical specifications

368

Power consumption

369

Environmental specifications

369

Acoustic emissions

370

B Service and support

371

Extended warranty

373

C Regulatory information

375

FCC compliance

376

Protecting the environment

377

Ozone production

377

HP LaserJet printing supplies

378

Nederlands

379

European Union

380

Material safety data sheet

380

For more information

380

IC CS-03 requirements

382

Laser safety statement

386

Canadian DOC statement

386

Korean EMI statement

386

Finnish laser statement

387

384 Index ENWW

404

*Q6502-90901*

406

5200 User Manual   Compaq 5200 User's Manual, 58 pages