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Table of Contents
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Product information
22
All-in-one configurations
23
HP LaserJet 3052/3055 all-in-one
24
All-in-one features
25
All-in-one parts
26
27
Control panel
28
HP LaserJet 3052/3055 all-in-one parts
29
30
Control panel
31
Model and serial numbers
32
Software installation
33
Printer drivers
34
Select the correct printer driver
35
Gaining access to the printer drivers
36
Software for Windows
37
38
Software for Macintosh
39
PDEs (Mac OS X V10.3 and Mac OS X V10.4)
40
Installing Macintosh printing system software for networks
41
Choosing paper and other print media
42
43
Media to avoid
44
45
46
Site preparation
47
Minimum system requirements
48
49
Contents of the HP LaserJet 3052/3055 all-in-one box
50
Installing input devices
51
52
Installing the print cartridge
53
54
Loading media into the input trays
55
56
Loading input trays
57
Maintenance
58
Managing supplies
59
Replacing and recycling supplies
60
Cleaning the all-in-one
61
62
To clean the flatbed glass and the ADF scanner glass (HP LaserJet 3052/3055 all-in-one)
63
To clean the lid backing (HP LaserJet 3052/3055 all-in-one)
64
To clean the ADF pickup-roller assembly (HP LaserJet 3052/3055 all-in-one)
65
66
67
Cleaning the paper path
68
To clean the paper path from the all-in-one control panel
69
Calibrating the scanner
70
Managing and maintaining the all-in-one
71
Configuration page
72
Network configuration page
73
HP ToolboxFX
74
75
76
77
Fax Send Log
78
System settings
79
Print quality
80
Device polling
81
Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4)
82
Embedded Web server
83
Theory of operation
84
Basic operation
85
Sequence of operation
86
Sequence of operation, HP LaserJet 3052/3055 all-in-one scanner
87
88
Sequence of operation, HP LaserJet 3050/3052/3055 all-in-one printer (product base)
89
HP LaserJet 3050/3052/3055 all-in-one timing diagram—printer (product base)
90
Formatter system
91
Standard startup process
92
Control panel
93
PJL overview
94
Printer (product base) functions
95
Engine control system (engine control unit and power-supply assembly)
96
Printer (product base) laser/scanner
97
Power system on the power-supply assembly
98
High-voltage power distribution
99
Image-formation system
100
Print cartridge
101
102
Jam detection in the all-in-one
103
HP LaserJet 3050 all-in-one unique components
104
105
ADF pickup-and-feed system
106
107
Optical scanning system
108
109
HP LaserJet 3052/3055 all-in-one unique components
110
Scanner operation
111
ADF paper path and ADF sensors
112
Fax functions and operation (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)
113
Distinctive ring function
114
Faxing with Voice over IP services
115
LIU in the fax subsystem
116
117
Hook switch control
118
Fax page storage in flash memory
119
Removal and replacement
120
Removal and replacement strategy
121
Required tools
122
Test 2 (copy-quality test)
123
Parts removal order
124
125
126
HP LaserJet 3050 all-in-one
127
Link assemblies and scanner support-frame springs
128
129
Scanner side covers
130
131
Separation-pad set
132
Control-panel bezel
133
134
Control-panel assembly
135
Media lever and media-lever torsion spring
136
Separation-pad assembly
137
138
Scanner assembly
139
140
141
142
143
144
145
146
Scanner assembly top cover
147
148
149
Top-cover assembly
150
Pickup roller
151
White platen
152
HP LaserJet 3052/3055 all-in-one
153
Flatbed lid
154
155
156
Link assemblies and scanner support-frame springs
157
158
Control-panel bezel
159
Control-panel assembly
160
161
ADF separation pad
162
ADF input-tray flag
163
ADF pickup roller and load-arm assembly (HP LaserJet 3052/3055 all-in-one)
164
165
166
ADF scanner glass
167
168
Scanner assembly
169
170
171
172
173
174
175
176
Printer (product base)
177
Printer separation pad
178
Print cartridge
179
Printer pickup roller
180
181
182
Installing the scanner cushions
183
Media input tray
184
185
Transfer roller
186
187
Side covers
188
189
Print-cartridge door
190
Rear cover and fuser cover
191
192
Front cover
193
194
Speaker assembly
195
Power supply
196
197
198
Formatter and line interface unit (LIU)
199
200
201
202
Scanner support-frame
203
204
205
Engine controller unit (ECU)
206
207
208
209
Laser/scanner assembly
210
211
212
213
214
Paper-pickup assembly
215
Troubleshooting
216
Troubleshooting process
217
218
219
Control-panel messages
220
221
222
223
224
225
Critical error messages
226
227
228
229
Event-log codes
230
231
232
Where to look for jams
233
234
Input trays
235
236
Solving print paper-feed problems
237
238
Jams occur in the automatic document feeder (ADF)
239
240
241
Solving ADF paper-feed problems
242
243
Print image-quality problems
244
Solving print image-quality problems
245
246
247
248
249
250
251
252
Scan/copy image-quality problems
253
254
255
256
257
258
259
ADF problems
260
Fax troubleshooting (HP LaserJet 3050/3055 all-in-one)
261
262
Fax receive troubleshooting
263
264
Fax send troubleshooting
265
DSL problems
266
Control-panel-display problems
267
Functional checks
268
To perform a half self-test check
269
High-voltage contacts check
270
To check the high-voltage connector pins
271
Service-mode functions
272
Developer’s menu
273
To gain access to the developer’s menu
274
Changing the country/region code parameters
275
276
277
System settings for localized products
278
Printer job language (PJL) software commands
279
Troubleshooting tools
280
T.30 protocol trace (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)
281
V.34 fax standard
282
283
284
285
286
287
288
289
290
Translating the fax trace report (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only)
291
292
293
294
295
296
297
298
Repetitive image defect ruler
299
Firmware updates and recovery
300
301
Parts and diagrams
302
Ordering parts and supplies
303
Accessories
304
Documentation
305
Common hardware
306
307
308
309
310
311
Main wiring
312
313
314
315
Formatter PCA and LIU connectors
316
317
318
HP LaserJet 3050 all-in-one scanner assembly
319
320
ADF components, HP LaserJet 3050 all-in-one
321
322
323
324
Guide assembly, HP LaserJet 3050 all-in-one
325
326
HP LaserJet 3052/3055 all-in-one scanner assembly
327
328
Major assemblies, HP LaserJet 3052/3055 all-in-one
329
330
Scanner components, HP LaserJet 3052/3055 all-in-one
331
332
333
334
Printer (product base), HP LaserJet 3050/3052/3055 all-in-one
335
336
External covers, printer (product base)
337
338
Formatter and LIU
339
340
Internal components, printer (product base)
341
342
343
344
345
346
Alphabetical parts list
347
348
349
350
351
352
353
354
355
356
Numerical parts list
357
358
359
360
361
362
363
364
365
366
367
All-in-one specifications
368
Physical specifications
369
Power consumption
370
Acoustic emissions
371
Service and support
372
Hewlett-Packard limited warranty statement
373
Print Cartridge Limited Warranty Statement
374
375
Regulatory information
376
FCC compliance
377
Environmental Product Stewardship program
378
HP LaserJet printing supplies
379
Material restrictions
380
381
382
Telephone Consumer Protection Act (United States)
383
EU statement for telecom operation
384
Declaration of conformity (HP LaserJet 3390, 3392, 3055, and 3050)
385
Declaration of conformity (HP LaserJet 3052)
386
Country-/region-specific safety statements
387
Finnish laser statement
388
389
390
391
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Home
> HP > 3052
HP 3052 Service Manual - Page 1
Document Details: 406 pages, 12.2 MB filesize.
HP LaserJet 3050/3052/3055 All-in-One
Service Manual
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