HP LaserJet M2727 mfp service manual
HP LaserJet M2727 MFP Series
Service Manual
HP LaserJet M2727 MFP Series
Service Manual
Copyright information
Safety information
Trademark credits
© 2007 Copyright Hewlett-Packard
Development Company, L.P.
Reproduction, adaptation, or translation
without prior written permission is prohibited,
except as allowed under the copyright laws.
The information contained herein is subject
to change without notice.
The only warranties for HP products and
services are set forth in the express warranty
statements accompanying such products
and services. Nothing herein should be
construed as constituting an additional
warranty. HP shall not be liable for technical
or editorial errors or omissions contained
herein.
Part number CB532-90946
Edition 1, 11/2007
WARNING!
Potential Shock Hazard
Always follow basic safety precautions when
using the product to reduce risk of injury from
fire or electric shock.
Read and understand all instructions in the
user guide.
Observe all warnings and instructions
marked on the product.
Use only a grounded electrical outlet when
connecting the product to a power source. If
you do not know whether the outlet is
grounded, check with a qualified electrician.
Do not touch the contacts on the end of any
of the sockets on the product. Replace
damaged cords immediately.
Unplug the product from wall outlets before
cleaning.
Do not install or use the product near water
or when you are wet.
Install the product securely on a stable
surface.
Microsoft® and Windows® are U.S.
registered trademarks of Microsoft
Corporation.
Windows Vista™ is either a registered
trademark or trademark of Microsoft
Corporation in the United States and/or other
countries.
Linux is a U.S. registered trademark of Linus
Torvalds.
UNIX® is a registered trademark of The
Open Group.
PostScript® is a trademark of Adobe
Systems Incorporated.
Energy Star® and the Energy Star logo® are
U.S. registered marks of the United States
Environmental Protection Agency.
Install the product in a protected location
where no one can step on or trip over the
power cord and where the power cord will not
be damaged.
If the product does not operate normally, see
the online user guide.
Refer all servicing questions to qualified
personnel.
Information regarding FCC Class B, Parts 15
and 68 requirements can be found in the user
guide.
Table of contents
1 Product information
Quick access to product information .................................................................................................... 2
Product comparison ............................................................................................................................. 3
Product features ................................................................................................................................... 4
Product walkaround .............................................................................................................................. 5
Front view ............................................................................................................................ 5
Back view ............................................................................................................................. 6
Interface ports ...................................................................................................................... 6
Control panel ....................................................................................................................... 7
Serial number and model number location ........................................................................................... 8
Software description ............................................................................................................................. 9
Supported operating systems .............................................................................................. 9
Supported printer drivers ..................................................................................................... 9
Software included with the product ...................................................................................... 9
Recommended installation for Windows ........................................................... 10
Express installation (USB or network) ............................................................... 10
Macintosh software ........................................................................................... 10
Software for Windows ........................................................................................................................ 12
HP ToolboxFX ................................................................................................................... 12
Embedded Web server (EWS) .......................................................................................... 12
Software for Macintosh ....................................................................................................................... 13
HP Director ........................................................................................................................ 13
Macintosh Configure Device (Mac OS X v10.3, v10.4, and later) ..................................... 13
PDEs (Mac OS X v10.3, v10.4, and later) ......................................................................... 14
Uninstall software ............................................................................................................................... 15
Windows ............................................................................................................................ 15
Macintosh .......................................................................................................................... 15
Media specifications ........................................................................................................................... 16
Supported paper and print media sizes ............................................................................. 16
Media to avoid ................................................................................................................... 17
Media that can damage the product .................................................................................. 17
2 Installation
Operating environment ....................................................................................................................... 20
Minimum system requirements .......................................................................................... 21
Unpack the product ............................................................................................................................ 22
Install input devices ............................................................................................................................ 23
ADF input tray .................................................................................................................... 23
250-sheet input tray (tray 3) ............................................................................................... 24
ENWW iii
Install the control-panel faceplate ....................................................................................................... 25
Load paper and print media ............................................................................................................... 26
Install memory DIMMs ........................................................................................................................ 30
3 Maintenance
Manage supplies ................................................................................................................................ 34
Clean the product ............................................................................................................................... 49
Manage the product ........................................................................................................................... 58
Load documents to fax, copy, or scan ............................................................................... 26
Tray 1 ................................................................................................................................. 27
Tray 2 or 3 ......................................................................................................................... 28
Configure trays .................................................................................................................. 29
Change tray selection ........................................................................................................ 29
Information ......................................................................................................................... 30
Install a memory DIMM ..................................................................................................... 30
Life expectancies of supplies and the product ................................................................... 34
Order supplies ................................................................................................................... 34
Store print cartridges ......................................................................................................... 35
Replace and recycle supplies ............................................................................................ 35
Replace print cartridge ....................................................................................................... 37
Load staples ...................................................................................................................... 39
Replace the tray 2 pickup roller ......................................................................................... 40
Replace the tray 2 and optional tray 3 separation pad ...................................................... 45
HP policy on non-HP supplies ........................................................................................... 48
Reset the product for non-HP supplies ............................................................. 48
HP fraud hotline ................................................................................................................. 48
Clean the exterior .............................................................................................................. 49
Clean the flatbed scanner glass ........................................................................................ 49
Clean the scanner-cover backing ...................................................................................... 51
Clean the tray 2 pickup roller ............................................................................................ 52
Clean the ADF pickup-roller assembly .............................................................................. 55
Clean the paper path ......................................................................................................... 56
Clean the paper path from HP ToolboxFX ........................................................ 57
Clean the paper path from the product control panel ........................................ 57
HP ToolboxFX ................................................................................................................... 58
View the HP ToolboxFX .................................................................................... 58
Status ................................................................................................................ 58
Event log ........................................................................................... 59
Alerts ................................................................................................................. 59
Set up status alerts ........................................................................... 59
Set up e-mail alerts ........................................................................... 59
Fax .................................................................................................................... 59
Fax tasks .......................................................................................... 60
Fax phone book ................................................................................ 60
Fax send log ..................................................................................... 62
Fax receive log ................................................................................. 62
Help (Documentation) ....................................................................................... 62
System settings ................................................................................................. 63
Device information ............................................................................ 63
Paper handling ................................................................................. 64
iv ENWW
Embedded Web server ...................................................................................................... 66
Macintosh Configure Device (Mac OS X v10.3, v10.4, and later) ..................................... 67
4 Theory of operation
Basic operation ................................................................................................................................... 70
Sequence of operation for the base unit ............................................................................ 70
Scanner and ADF functions and operation ........................................................................................ 72
Scanner functions ............................................................................................................. 72
Scanner operation ............................................................................................................. 73
ADF operation .................................................................................................................... 73
ADF paper path and ADF sensors ..................................................................................... 74
ADF jam detection ............................................................................................................. 75
Internal components (base unit) ......................................................................................................... 76
Engine control system ........................................................................................................................ 78
Laser/scanner system ........................................................................................................................ 80
Pickup/feed/delivery system ............................................................................................................... 81
Image-formation system .................................................................................................................... 83
Fax functions and operation .............................................................................................................. 87
Computer and network security features ........................................................................... 87
PSTN operation ................................................................................................................. 87
Receive faxes when you hear fax tones ............................................................................ 87
Distinctive ring function ...................................................................................................... 88
Fax by using Voice over IP services .................................................................................. 88
The fax subsystem ............................................................................................................. 89
Fax card in the fax subsystem ........................................................................................... 89
Fax page storage in flash memory .................................................................................... 91
Print quality ....................................................................................... 64
Paper types ...................................................................................... 64
System setup .................................................................................... 65
Service .............................................................................................. 65
Device Polling ................................................................................... 65
Print settings ..................................................................................................... 65
Printing ............................................................................................. 65
PCL 5e .............................................................................................. 66
PostScript ......................................................................................... 66
Network settings ................................................................................................ 66
Features ............................................................................................................ 66
Secure the embedded Web server ................................................................... 67
Safety isolation .................................................................................................. 89
Safety-protection circuitry .................................................................................. 89
Data path ........................................................................................................... 90
Hook state ......................................................................................................... 90
Downstream device detection ........................................................................... 90
Hook switch control ........................................................................................... 90
Ring detect ........................................................................................................ 91
Line current control ........................................................................................... 91
Billing- (metering-) tone filters ........................................................................... 91
Stored fax pages ............................................................................................... 91
Advantages of flash memory storage ............................................................... 91
ENWW v
5 Removal and replacement
Introduction ......................................................................................................................................... 94
Removal and replacement strategy .................................................................................. 94
Electrostatic discharge ....................................................................................................... 94
User-replaceable parts ...................................................................................................... 94
Required tools ................................................................................................................... 95
Before performing service .................................................................................................. 95
After performing service ..................................................................................................... 96
Post-service tests .............................................................................................................. 96
Parts removal order ........................................................................................................... 98
Remove the print cartridge ................................................................................................ 99
External panels, covers, and doors .................................................................................................. 100
Right cover ....................................................................................................................... 100
Left cover ......................................................................................................................... 102
Print-cartridge door .......................................................................................................... 104
Rear cover ....................................................................................................................... 106
Top cover ......................................................................................................................... 108
Replace the ADF pickup-roller assembly ......................................................................................... 110
ADF scanner glass ........................................................................................................................... 113
ADF assembly .................................................................................................................................. 115
Scanner/ADF assembly .................................................................................................................... 117
Bezel and control panel .................................................................................................................... 119
Internal assemblies .......................................................................................................................... 122
Convenience-stapler assembly (HP LaserJet M2727nfs only) ........................................ 122
Convenience-stapler power supply (HP LaserJet M2727nfs only) .................................. 124
Convenience-stapler AC inlet cable (HP LaserJet M2727nfs only) ................................. 126
Convenience-stapler power supply bracket and strap (HP LaserJet M2727nfs only) ..... 127
Speaker ........................................................................................................................... 128
Power-switch PCA ........................................................................................................... 130
Formatter ......................................................................................................................... 132
Duplex assembly ............................................................................................................. 135
Laser/scanner (print engine) ............................................................................................ 137
Memory-tag-reader assembly (E-label reader) ................................................................ 139
Fan ................................................................................................................................... 141
Duplex-drive gears ........................................................................................................... 143
Duplex solenoid ............................................................................................................... 145
Fuser ................................................................................................................................ 147
Interlock assembly ........................................................................................................... 152
Engine controller assembly (ECU) ................................................................................... 153
Main motor ....................................................................................................................... 158
Pickup-and-feed assemblies ............................................................................................ 160
Registration-roller assembly ............................................................................................ 161
Main gear assembly and tray 2 pickup solenoid .............................................................. 162
Test 1 (print-quality test) ................................................................................... 96
Test 2 (copy-quality test) ................................................................................... 96
Test 3 (fax-quality test) ...................................................................................... 97
Transfer roller .................................................................................................. 160
6 Solve problems
Problem-solving checklist ................................................................................................................. 166
vi ENWW
Control-panel messages .................................................................................................................. 169
Alert and warning messages .......................................................................................... 169
Alert and warning message tables .................................................................. 169
Critical error messages .................................................................................................... 177
Critical error message-tables .......................................................................... 177
Clear jams ........................................................................................................................................ 179
Causes of jams ................................................................................................................ 179
Where to look for jams ..................................................................................................... 180
Clear jams from the ADF ................................................................................................. 180
Clear jams from the input-tray areas ............................................................................... 182
Clear jams from the duplexer ........................................................................................... 184
Clear jams from the output-bin areas .............................................................................. 186
Top (face-down) output bin ............................................................................. 186
Rear (face-up) output bin ................................................................................ 187
Clear jams from the print-cartridge area .......................................................................... 188
Clear jams from the convenience stapler (HP LaserJet M2727nfs MFP only) ................ 189
Avoid repeated jams ....................................................................................................... 190
Control-panel menus ........................................................................................................................ 191
Use the control-panel main menus .................................................................................. 191
Control-panel main menus ............................................................................................... 191
Control-panel secondary menus ...................................................................................... 199
Use the control-panel secondary menus ......................................................... 199
Control-panel secondary menus ..................................................................... 199
Print problems .................................................................................................................................. 204
Print-quality problems ...................................................................................................... 204
Improve print quality ........................................................................................ 204
Print-quality settings ....................................................................... 204
Identify and correct print defects ..................................................................... 205
Print-quality checklist ...................................................................... 205
General print-quality issues ............................................................ 205
Scan problems ................................................................................................................................. 211
Solve scanned-image problems ...................................................................................... 211
Scan-quality problems ..................................................................................................... 213
Prevent problems ............................................................................................ 213
Solve scan-quality problems ........................................................................... 213
Copy problems ................................................................................................................................. 214
Prevent problems ............................................................................................................. 214
Image problems ............................................................................................................... 214
Media-handling problems ................................................................................................ 215
Performance problems .................................................................................................... 217
Fax problems .................................................................................................................................... 218
General fax problem-solve ............................................................................................... 218
Problems receiving faxes ................................................................................................. 219
Problems sending faxes .................................................................................................. 222
Voice-call problems ......................................................................................................... 224
Media-handling problems ................................................................................................ 225
Performance problems .................................................................................................... 226
Control-panel display problems ........................................................................................................ 227
Convenience-stapler problems (HP LaserJet M2727nfs only) ......................................................... 227
DSL problems ................................................................................................................................... 228
ENWW vii
PABX line problems ......................................................................................................... 228
ADF problems .................................................................................................................................. 229
Functional checks ............................................................................................................................. 230
Drum rotation test ............................................................................................................ 230
Engine test ....................................................................................................................... 231
Half self-test functional check .......................................................................................... 232
Perform a half self-test check .......................................................................................... 232
Perform other checks ....................................................................................................... 232
Heating element check .................................................................................................... 233
High-voltage contacts check ............................................................................................ 233
Check the print-cartridge contacts ................................................................ 233
Check the high-voltage connector assembly ................................................. 234
Service-mode functions .................................................................................................................... 235
NVRAM initialization ........................................................................................................ 235
Super NVRAM initialization .............................................................................................. 235
Service menu ................................................................................................................... 235
Problem-solve tools .......................................................................................................................... 237
Product information pages and reports ............................................................................ 237
Configuration page .......................................................................................... 237
Supplies Status page ...................................................................................... 237
PCL, PCL 6, or PS font list .............................................................................. 237
Demo page ...................................................................................................... 238
Usage page ..................................................................................................................... 238
Menu map ........................................................................................................................ 238
Network report ................................................................................................................. 238
Fax reports ....................................................................................................................... 239
Fax activity log ................................................................................................ 239
Fax call report ................................................................................................. 239
Phone book report ........................................................................................... 239
Billing-code report ........................................................................................... 240
HP ToolboxFX ................................................................................................................. 240
To view HP ToolboxFX ................................................................................... 240
Troubleshooting tab ........................................................................................ 240
Service menu .................................................................................................................. 241
Restore the factory-set defaults ...................................................................... 241
Clean the paper path ....................................................................................... 241
T.30 protocol trace .......................................................................................... 242
Archive print .................................................................................................... 242
Firmware updates ............................................................................................................................. 243
Firmware update by using a flash executable file ............................................................ 243
7 Parts
Accessories and ordering information .............................................................................................. 247
Supplies ............................................................................................................................................ 248
Memory ............................................................................................................................................ 248
Cable and interface accessories ...................................................................................................... 248
Paper-handling accessories ............................................................................................................ 249
Whole unit replacement .................................................................................................................... 250
Scanner/ADF replacement parts ...................................................................................................... 254
Control-panel bezels ........................................................................................................................ 255
viii ENWW
Supplementary documentation and support ..................................................................................... 257
Problem-solve diagrams ................................................................................................................... 259
Repetitive image defects ................................................................................................. 259
Interface connectors ....................................................................................................... 260
Formatter connectors ....................................................................................................... 260
Fax card ........................................................................................................................... 261
Solenoids ......................................................................................................................... 262
Switches and sensors ...................................................................................................... 263
Rollers and pads .............................................................................................................. 264
PCAs (base unit) .............................................................................................................. 265
Major components (base unit) ......................................................................................... 266
Scanner and ADF ............................................................................................................ 267
Circuit diagram (1 of 2) .................................................................................................... 268
Circuit diagram (2 of 2) .................................................................................................... 268
Parts lists and diagrams ................................................................................................................... 270
Types of screws ............................................................................................................... 271
Scanner and ADF assemblies .......................................................................................................... 272
Scanner components ....................................................................................................................... 274
ADF components .............................................................................................................................. 276
Convenience stapler components (HP LaserJet M2727nfs only) .................................................... 278
Formatter, fax card, HP jewel, and nameplate ................................................................................. 280
External covers and panels .............................................................................................................. 282
Cartridge door assembly .................................................................................................................. 284
Internal components (1 of 4) ............................................................................................................ 286
Internal components (2 of 4) ............................................................................................................ 288
Internal components (3 of 4) ............................................................................................................ 290
Internal components (4 of 4) ............................................................................................................ 292
Engine-controller assembly (ECU) ................................................................................................... 294
Main-drive assembly ........................................................................................................................ 296
Duplexing-drive assembly ................................................................................................................ 298
Tray 2 cassette and tray 3 cassette/feeder ...................................................................................... 300
Duplexing assembly ......................................................................................................................... 302
Fuser assembly ................................................................................................................................ 304
Alphabetical parts list ....................................................................................................................... 306
Numerical parts list ........................................................................................................................... 312
Appendix A Service and support
Hewlett-Packard limited warranty statement .................................................................................... 319
Print cartridge limited warranty statement ........................................................................................ 321
Appendix B Specifications
Physical specifications ..................................................................................................................... 324
Electrical specifications .................................................................................................................... 324
Power consumption .......................................................................................................................... 324
Environmental specifications ............................................................................................................ 325
Acoustic emissions ........................................................................................................................... 325
Appendix C Regulatory information
FCC compliance ............................................................................................................................... 328
ENWW ix
Environmental product stewardship program ................................................................................... 329
Protecting the environment .............................................................................................. 329
Ozone production ............................................................................................................ 329
Power consumption ......................................................................................................... 329
Toner consumption .......................................................................................................... 329
Paper use ........................................................................................................................ 329
Plastics ............................................................................................................................ 329
HP LaserJet print supplies ............................................................................................... 329
Return and recycling instructions ..................................................................................... 330
United States and Puerto Rico ........................................................................ 330
Multiple returns (two to eight cartridges) ........................................ 330
Single returns ................................................................................. 330
Shipping .......................................................................................... 330
Non-US returns ............................................................................................... 330
Paper ............................................................................................................................... 330
Material restrictions .......................................................................................................... 330
Disposal of waste equipment by users in private households in the European Union .... 331
Material Safety Data Sheet (MSDS) ................................................................................ 331
For more information ....................................................................................................... 332
Telephone Consumer Protection Act (United States) ...................................................................... 333
IC CS-03 requirements ..................................................................................................................... 333
EU statement for telecom operation ................................................................................................. 334
New Zealand telecom statements .................................................................................................... 334
Declaration of conformity .................................................................................................................. 335
Safety statements ............................................................................................................................. 336
Laser safety ..................................................................................................................... 336
Canadian DOC regulations .............................................................................................. 336
EMI statement (Korea) ..................................................................................................... 336
Laser statement for Finland ............................................................................................. 337
Substances table (China) ................................................................................................ 338
Index ................................................................................................................................................................. 339
x ENWW
List of tables
Table 1-1 Product guides ................................................................................................................................... 2
Table 1-2 Supported printer drivers .................................................................................................................... 9
Table 1-3 Supported paper and print media sizes ........................................................................................... 16
Table 1-4 Supported envelopes and postcards ............................................................................................... 17
Table 1-5 ADF .................................................................................................................................................. 17
Table 4-1 Sequence of operation ..................................................................................................................... 70
Table 4-2 Power-on sequence ......................................................................................................................... 71
Table 6-1 Alert and warning messages ......................................................................................................... 169
Table 6-2 Alert and warning messages ......................................................................................................... 172
Table 6-3 Critical error messages .................................................................................................................. 177
Table 6-4 Fax Job status menu ...................................................................................................................... 191
Table 6-5 Fax functions menu ........................................................................................................................ 191
Table 6-6 Copy setup menu ........................................................................................................................... 192
Table 6-7 Reports menu ................................................................................................................................. 193
Table 6-8 Fax setup menu ............................................................................................................................. 194
Table 6-9 System setup menu ....................................................................................................................... 197
Table 6-10 Service menu ............................................................................................................................... 199
Table 6-11 Secondary service menu .............................................................................................................. 200
Table 6-12 Developer's menu ........................................................................................................................ 201
Table 7-1 Whole unit replacement, product bundle CB532A ......................................................................... 250
Table 7-2 Whole unit replacement, product bundle CB533A ......................................................................... 252
Table 7-3 Control-panel bezels ...................................................................................................................... 255
Table 7-4 Service and training support .......................................................................................................... 257
Table 7-5 User guides .................................................................................................................................... 257
Table 7-6 Getting started guide ...................................................................................................................... 258
Table 7-7 Technical support Web sites .......................................................................................................... 258
Table 7-8 Repetitive image defects ................................................................................................................ 259
Table 7-9 Interface connectors ....................................................................................................................... 260
Table 7-10 Formatter connectors ................................................................................................................... 260
Table 7-11 Fax card ....................................................................................................................................... 261
Table 7-12 Solenoids ..................................................................................................................................... 262
Table 7-13 Switches and sensors .................................................................................................................. 263
Table 7-14 Rollers and pads .......................................................................................................................... 264
Table 7-15 PCAs (base unit) .......................................................................................................................... 265
Table 7-16 Major components (base unit) ..................................................................................................... 266
Table 7-17 Scanner and ADF ......................................................................................................................... 267
Table 7-18 Scanner and ADF assemblies ..................................................................................................... 273
Table 7-19 Scanner components ................................................................................................................... 275
Table 7-20 ADF components ......................................................................................................................... 277
ENWW xi
Table 7-21 Convenience stapler components (HP LaserJet M2727nfs only) ................................................ 279
Table 7-22 Formatter, Fax card, HP jewel, and nameplate ........................................................................... 281
Table 7-23 External covers and panels .......................................................................................................... 283
Table 7-24 Cartridge door assembly .............................................................................................................. 285
Table 7-25 Internal components (1 of 4) ........................................................................................................ 287
Table 7-26 Internal components (2 of 4) ........................................................................................................ 289
Table 7-27 Internal components (3 of 4) ........................................................................................................ 291
Table 7-28 Internal components (4 of 4) ........................................................................................................ 293
Table 7-29 Engine-controller assembly .......................................................................................................... 295
Table 7-30 Main-drive assembly .................................................................................................................... 297
Table 7-31 Duplexing-drive assembly ............................................................................................................ 299
Table 7-32 Tray 2 cassette and tray 3 cassette/feeder .................................................................................. 301
Table 7-33 Duplexing assembly ..................................................................................................................... 303
Table 7-34 Fuser assembly ............................................................................................................................ 305
Table 7-35 Alphabetical parts list ................................................................................................................... 306
Table 7-36 Numerical parts list ....................................................................................................................... 312
Table B-1 Physical specifications ................................................................................................................... 324
Table B-2 Electrical specifications .................................................................................................................. 324
Table B-3 Power consumption (average, in watts), ...................................................................................... 324
Table B-4 Environmental specifications ........................................................................................................ 325
Table B-5 Acoustic emissions ....................................................................................................................... 325
xii ENWW
List of figures
Figure 2-1 Operating environment ................................................................................................................... 20
Figure 2-2 HP LaserJet M2727 MFP package contents .................................................................................. 22
Figure 2-3 Install the ADF input tray ................................................................................................................. 23
Figure 2-4 Install the 250-sheet input tray ........................................................................................................ 24
Figure 2-5 Install the control-panel faceplate ................................................................................................... 25
Figure 2-6 Load a document onto the flatbed scanner .................................................................................... 26
Figure 2-7 Load documents into the ADF (1 of 2) ............................................................................................ 27
Figure 2-8 Load documents into the ADF (2 of 2) ............................................................................................ 27
Figure 3-1 Replace the tray 2 pickup roller (1 of 7) .......................................................................................... 40
Figure 3-2 Replace the tray 2 pickup roller (2 of 7) .......................................................................................... 41
Figure 3-3 Replace the tray 2 pickup roller (3 of 7) .......................................................................................... 41
Figure 3-4 Replace the tray 2 pickup roller (4 of 7) .......................................................................................... 42
Figure 3-5 Replace the tray 2 pickup roller (5 of 7) .......................................................................................... 42
Figure 3-6 Replace the tray 2 pickup roller (6 of 7) .......................................................................................... 43
Figure 3-7 Replace the tray 2 pickup roller (7 of 7) .......................................................................................... 43
Figure 3-8 Replace the tray 2 or tray 3 separation pad (1 of 6) ....................................................................... 45
Figure 3-9 Replace the tray 2 or tray 3 separation pad (2 of 6) ....................................................................... 45
Figure 3-10 Replace the tray 2 or tray 3 separation pad (3 of 6) ..................................................................... 46
Figure 3-11 Replace the tray 2 or tray 3 separation pad (4 of 6) ..................................................................... 46
Figure 3-12 Replace the tray 2 or tray 3 separation pad (5 of 6) ..................................................................... 47
Figure 3-13 Replace the tray 2 or tray 3 separation pad (6 of 6) ..................................................................... 47
Figure 3-14 Clean the scanner glass (1 of 2) ................................................................................................... 49
Figure 3-15 Clean the scanner glass (2 of 2) ................................................................................................... 50
Figure 3-16 Clean the scanner-cover backing ................................................................................................. 51
Figure 3-17 Clean the tray 2 pickup roller (1 of 6) ............................................................................................ 52
Figure 3-18 Clean the tray 2 pickup roller (2 of 6) ............................................................................................ 52
Figure 3-19 Clean the tray 2 pickup roller (3 of 6) ............................................................................................ 52
Figure 3-20 Clean the tray 2 pickup roller (4 of 6) ............................................................................................ 53
Figure 3-21 Clean the tray 2 pickup roller (5 of 6) ............................................................................................ 53
Figure 3-22 Clean the tray 2 pickup roller (6 of 6) ............................................................................................ 54
Figure 3-23 Clean the ADF pickup-roller assembly (1 of 5) ............................................................................. 55
Figure 3-24 Clean the ADF pickup-roller assembly (2 of 5) ............................................................................. 55
Figure 3-25 Clean the ADF pickup-roller assembly (3 of 5) ............................................................................. 55
Figure 3-26 Clean the ADF pickup-roller assembly (4 of 5) ............................................................................. 56
Figure 3-27 Clean the ADF pickup-roller assembly (5 of 5) ............................................................................. 56
Figure 4-1 HP LaserJet M2727 MFP system block diagram ............................................................................ 70
Figure 4-2 Optical system ................................................................................................................................ 72
Figure 4-3 ADF paper path ............................................................................................................................... 74
Figure 4-4 Cross-section of printer ................................................................................................................... 76
ENWW xiii
Figure 4-5 Engine control system ..................................................................................................................... 78
Figure 4-6 Engine-control-system circuit diagram ............................................................................................ 79
Figure 4-7 Laser/scanner system ..................................................................................................................... 80
Figure 4-8 Pickup/feed/delivery system ........................................................................................................... 82
Figure 4-9 Image-formation system ................................................................................................................. 83
Figure 4-10 Primary charging ........................................................................................................................... 83
Figure 4-11 Developing .................................................................................................................................... 84
Figure 4-12 Transfer ......................................................................................................................................... 85
Figure 4-13 Separation ..................................................................................................................................... 85
Figure 4-14 Fusing ........................................................................................................................................... 86
Figure 4-15 Drum cleaning ............................................................................................................................... 86
Figure 5-1 Phillips and pozidrive screwdriver comparison ............................................................................... 95
Figure 5-2 Parts-removal tree .......................................................................................................................... 98
Figure 5-3 Remove the print cartridge (1 of 2) ................................................................................................. 99
Figure 5-4 Remove the print cartridge (2 of 2) ................................................................................................. 99
Figure 5-5 Remove the right cover (1 of 4) .................................................................................................... 100
Figure 5-6 Remove the right cover (2 of 4) .................................................................................................... 100
Figure 5-7 Remove the right cover (3 of 4) .................................................................................................... 101
Figure 5-8 Remove the right cover (4 of 4) .................................................................................................... 101
Figure 5-9 Remove the left cover (1 of 3) ....................................................................................................... 102
Figure 5-10 Remove the left cover (2 of 3) ..................................................................................................... 102
Figure 5-11 Remove the left cover (3 of 3) ..................................................................................................... 103
Figure 5-12 Remove the print-cartridge door (1 of 3) ..................................................................................... 104
Figure 5-13 Remove the print-cartridge door (2 of 3) ..................................................................................... 104
Figure 5-14 Remove the print-cartridge door (3 of 3) ..................................................................................... 105
Figure 5-15 Remove the rear cover (1 of 3) ................................................................................................... 106
Figure 5-16 Remove the rear cover (2 of 3) ................................................................................................... 106
Figure 5-17 Remove the rear cover (3 of 3) ................................................................................................... 107
Figure 5-18 Remove the top cover (1 of 4) .................................................................................................... 108
Figure 5-19 Remove the top cover (2 of 4) .................................................................................................... 108
Figure 5-20 Remove the top cover (3 of 4) .................................................................................................... 109
Figure 5-21 Remove the top cover (4 of 4) .................................................................................................... 109
Figure 5-22 Replace the ADF pickup-roller assembly (1 of 6) ....................................................................... 110
Figure 5-23 Replace the ADF pickup-roller assembly (2 of 6) ....................................................................... 110
Figure 5-24 Replace the ADF pickup-roller assembly (3 of 6) ....................................................................... 111
Figure 5-25 Replace the ADF pickup-roller assembly (4 of 6) ....................................................................... 111
Figure 5-26 Replace the ADF pickup-roller assembly (5 of 6) ....................................................................... 112
Figure 5-27 Replace the ADF pickup-roller assembly (6 of 6) ....................................................................... 112
Figure 5-28 Removing the ADF scanner glass (1 of 3) .................................................................................. 113
Figure 5-29 Removing the ADF scanner glass (2 of 3) .................................................................................. 113
Figure 5-30 Removing the ADF scanner glass (3 of 3) .................................................................................. 114
Figure 5-31 Remove the ADF assembly (1 of 3) ............................................................................................ 115
Figure 5-32 Remove the ADF assembly (2 of 3) ............................................................................................ 115
Figure 5-33 Remove the ADF assembly (3 of 3) ............................................................................................ 116
Figure 5-34 Remove the scanner/ADF assembly (1 of 4) .............................................................................. 117
Figure 5-35 Remove the scanner/ADF assembly (2 of 4) .............................................................................. 117
Figure 5-36 Remove the scanner/ADF assembly (3 of 4) .............................................................................. 118
Figure 5-37 Remove the scanner/ADF assembly (4 of 4) .............................................................................. 118
Figure 5-38 Remove the bezel and control panel (1 of 4) .............................................................................. 119
Figure 5-39 Remove the bezel and control panel (2 of 4) .............................................................................. 119
xiv
ENWW
Figure 5-40 Remove the bezel and control panel (3 of 4) .............................................................................. 120
Figure 5-41 Remove the bezel and control panel (4 of 4) .............................................................................. 121
Figure 5-42 Remove the convenience-stapler assembly (1 of 2) ................................................................... 122
Figure 5-43 Remove the convenience-stapler assembly (2 of 2) ................................................................... 123
Figure 5-44 Remove the convenience-stapler power assembly (1 of 3) ........................................................ 124
Figure 5-45 Remove the convenience-stapler power assembly (2 of 3) ........................................................ 124
Figure 5-46 Remove the convenience-stapler power assembly (3 of 3) ........................................................ 125
Figure 5-47 Remove the convenience-stapler AC inlet cable ........................................................................ 126
Figure 5-48 Remove the convenience-stapler bracket and strap .................................................................. 127
Figure 5-49 Remove the speaker (1 of 2) ...................................................................................................... 128
Figure 5-50 Remove the speaker (2 of 2) ...................................................................................................... 129
Figure 5-51 Remove the power-switch PCA (HP LaserJet M2727nfs shown) ............................................... 130
Figure 5-52 Remove the power-switch PCA mounting bracket ..................................................................... 131
Figure 5-53 Remove the formatter (1 of 5) ..................................................................................................... 132
Figure 5-54 Remove the formatter (2 of 5) ..................................................................................................... 133
Figure 5-55 Install formatter protective sheet ................................................................................................. 133
Figure 5-56 Remove the formatter (3 of 4) ..................................................................................................... 134
Figure 5-57 Remove the formatter (4 of 4) ..................................................................................................... 134
Figure 5-58 Remove the duplex assembly (1 of 2) ........................................................................................ 135
Figure 5-59 Remove the duplex assembly (2 of 2) ........................................................................................ 136
Figure 5-60 Remove the laser/scanner assembly .......................................................................................... 138
Figure 5-61 Remove the memory-tag-reader assembly (1 of 2) .................................................................... 139
Figure 5-62 Remove the memory-tag-reader assembly (2 of 2) .................................................................... 140
Figure 5-63 Memory-tag-reader assembly spring .......................................................................................... 140
Figure 5-64 Remove the fan (1 of 2) .............................................................................................................. 141
Figure 5-65 Remove the fan (2 of 2) .............................................................................................................. 142
Figure 5-66 Remove the duplex-drive gears .................................................................................................. 144
Figure 5-67 Replace the duplex-drive gears .................................................................................................. 144
Figure 5-68 Remove the duplex solenoid (1 of 2) .......................................................................................... 145
Figure 5-69 Remove the duplex solenoid (2 of 2) .......................................................................................... 146
Figure 5-70 Remove the fuser (1 of 9) ........................................................................................................... 147
Figure 5-71 Remove the fuser (2 of 9) ........................................................................................................... 148
Figure 5-72 Remove the fuser (3 of 9) ........................................................................................................... 148
Figure 5-73 Remove the fuser (4 of 9) ........................................................................................................... 149
Figure 5-74 Remove the fuser (5 of 9) ........................................................................................................... 149
Figure 5-75 Remove the fuser (6 of 9) ........................................................................................................... 150
Figure 5-76 Remove the fuser (7 of 9) ........................................................................................................... 150
Figure 5-77 Remove the fuser (8 of 9) ........................................................................................................... 151
Figure 5-78 Remove the fuser (9 of 9) ........................................................................................................... 151
Figure 5-79 Remove the interlock assembly .................................................................................................. 152
Figure 5-80 Remove the ECU (1 of 7) ............................................................................................................ 154
Figure 5-81 Remove the ECU (2 of 7) ............................................................................................................ 154
Figure 5-82 Remove the ECU (3 of 7) ............................................................................................................ 155
Figure 5-83 Remove the ECU (4 of 7) ............................................................................................................ 155
Figure 5-84 Remove the ECU (5 of 8) ............................................................................................................ 156
Figure 5-85 Remove the ECU (6 of 7) ............................................................................................................ 156
Figure 5-86 Remove the ECU (7 of 7) ............................................................................................................ 157
Figure 5-87 Remove the main motor (1 of 2) ................................................................................................. 158
Figure 5-88 Remove the main motor (2 of 2) ................................................................................................. 159
Figure 5-89 Remove the transfer roller .......................................................................................................... 160
ENWW xv
Figure 5-90 Remove the registration-roller assembly .................................................................................... 161
Figure 5-91 Remove the main gear assembly (1 of 5) ................................................................................... 162
Figure 5-92 Remove the main gear assembly (2 of 5) ................................................................................... 163
Figure 5-93 Remove the main gear assembly (3 of 5) ................................................................................... 163
Figure 5-94 Remove the main gear assembly (4 of 5) ................................................................................... 164
Figure 5-95 Remove the tray 2 pickup solenoid (5 of 5) ................................................................................ 164
Figure 6-1 Engine test switch ......................................................................................................................... 231
Figure 6-2 Print-cartridge high-voltage connection points (right side) ............................................................ 233
Figure 6-3 Print-cartridge high-voltage connection points (left side) .............................................................. 234
Figure 7-1 Interface connectors ..................................................................................................................... 260
Figure 7-2 Formatter connectors .................................................................................................................... 260
Figure 7-3 Fax card connectors ..................................................................................................................... 261
Figure 7-4 Solenoids ...................................................................................................................................... 262
Figure 7-5 Switches and sensors ................................................................................................................... 263
Figure 7-6 Rollers and pads ........................................................................................................................... 264
Figure 7-7 PCAs (base unit) ........................................................................................................................... 265
Figure 7-8 Major components (base unit) ...................................................................................................... 266
Figure 7-9 Scanner and ADF ......................................................................................................................... 267
Figure 7-10 Circuit diagram (1 of 2) ............................................................................................................... 268
Figure 7-11 Circuit diagram (2 of 2) ............................................................................................................... 269
Figure 7-12 Scanner and ADF assemblies .................................................................................................... 272
Figure 7-13 Scanner assemblies .................................................................................................................... 274
Figure 7-14 ADF components ........................................................................................................................ 276
Figure 7-15 Convenience stapler components (HP LaserJet M2727nfs only) ............................................... 278
Figure 7-16 Formatter, fax card, HP jewel, and nameplate ........................................................................... 280
Figure 7-17 External covers and panels ........................................................................................................ 282
Figure 7-18 Cartridge door assembly ............................................................................................................. 284
Figure 7-19 Internal components (1 of 4) ....................................................................................................... 286
Figure 7-20 Internal components (2 of 4) ....................................................................................................... 288
Figure 7-21 Internal components (3 of 4) ....................................................................................................... 290
Figure 7-22 Internal components (4 of 4) ....................................................................................................... 292
Figure 7-23 Engine-controller assembly ......................................................................................................... 294
Figure 7-24 Main-drive assembly ................................................................................................................... 296
Figure 7-25 Duplexing-drive assembly ........................................................................................................... 298
Figure 7-26 Tray 2 cassette and tray 3 cassette/feeder ................................................................................. 300
Figure 7-27 Duplexing assembly .................................................................................................................... 302
Figure 7-28 Fuser assembly ........................................................................................................................... 304
xvi ENWW
1 Product information
Quick access to product information
●
Product comparison
●
Product features
●
Product walkaround
●
Serial number and model number location
●
Software description
●
Software for Windows
●
Software for Macintosh
●
Uninstall software
●
Media specifications
●
ENWW 1
Quick access to product information
Use the following Web site to find information about the product.
www.hp.com/support/LJM2727
●
Table 1-1 Product guides
Guide Description
HP LaserJet M2727 MFP Getting
Started Guide
HP LaserJet M2727 MFP Series
User Guide
HP ToolboxFX To check the product status and settings, and to view problem-solving information and online
Online Help Provides information about options that are available in the printer drivers. To view a Help
Provides step-by-step instructions for installing and setting up the product.
Provides detailed information for using the product and problem-solving. Available on the
product CD or in the Windows Program Group if the software is installed on a computer.
documentation, use the HP ToolboxFX. You must have performed a complete software
installation in order to use the HP ToolboxFX. See the user guide for more information about
software installation.
file, open the online Help through the printer driver.
2 Chapter 1 Product information ENWW
Product comparison
The product is available in the following configurations.
HP LaserJet M2727nf MFP
Prints letter-size pages at speeds up to 27 pages per
●
minute (ppm) and A4-size pages at speeds up to 26 ppm.
PCL 5 and PCL 6 printer drivers and HP postscript level
●
3 emulation.
Tray 1 holds up to 50 sheets of print media or up to 5
●
envelopes.
Tray 2 holds up to 250 sheets of print media.
●
Optional 250-sheet input tray (tray 3) available.
●
Automatic two-sided (duplex) printing, fax receiving, and
●
copying.
Average yield for the standard black print cartridge is
●
3,500 pages, in accordance with ISO/IEC 19752. Actual
yield depends on specific use.
Average yield for the high-capacity print cartridge is 7,000
●
pages, in accordance with ISO/IEC 19752. Actual yield
depends on specific use.
Hi-Speed USB 2.0 port and 10/100 Base-T network port.
●
V.34 fax modem and 8-megabyte (MB) flash fax-storage
●
memory.
HP LaserJet M2727nfs MFP
HP LaserJet M2727nf MFP, plus:
Additional 250-sheet input tray (tray 3) included.
●
Convenience stapler.
●
Two RJ-11 fax phone line ports.
●
64-MB random-access memory (RAM).
●
Flatbed scanner and 50-page automatic document
●
feeder (ADF).
One available DIMM slot for memory expansion (up to
●
320 MB).
ENWW Product comparison 3
Product features
Performance
Print quality
Fax
Copy
Scan
Staple
Networking
Prints up to 27 ppm (letter) or 26 ppm (A4).
●
1,200 dots per inch (dpi) with Image REt 2400 text and graphics.
●
Adjustable settings to optimize print quality.
●
The HP UltraPrecise print cartridge has a finer toner formulation that provides sharper text
●
and graphics.
Full-functionality fax capabilities with a V.34 fax; includes a phone book, fax/tel, and
●
delayed-fax features.
Includes ADF that allows faster, more efficient copy jobs with multiple-page documents.
●
The product provides 1,200 pixels per inch (ppi), 24-bit full-color scanning from letter/A4-
●
size scanner glass.
The product provides 300 ppi, 24-bit full-color scanning from the automatic document
●
feeder (ADF).
Includes an ADF that allows faster, more efficient scan jobs with multiple-page documents.
●
The HP LaserJet M2727nfs includes a convenience stapler for fast and convenient
●
stapling of up to 20 sheets of 80 g/m
Large-capacity replaceable staple cassette holds 1,500 staples.
●
TCP/IP
●
IPv4
◦
2
or 20 lb media at the product.
Printer driver features
Interface connections
Economical printing
Supplies
Accessibility
IPv6
◦
Fast printing performance, built-in Intellifont and TrueType scaling technologies, and
●
advanced imaging capabilities are benefits of the PCL 6 printer language.
Hi-Speed USB 2.0 port.
●
10/100 Base-T ethernet network port (RJ-45).
●
RJ-11 fax/phone cable ports.
●
N-up printing (printing more than one page on a sheet).
●
Two-sided printing using the automatic duplexer.
●
EconoMode setting.
●
A supplies status page that displays the amount of life remaining in the print cartridge.
●
No-shake cartridge design.
●
Authentication for HP print cartridges.
●
Enabled supplies-ordering capability.
●
Online user guide that is compatible with text screen-readers.
●
Print cartridges can be installed and removed using one hand.
●
All doors and covers can be opened using one hand.
●
4 Chapter 1 Product information ENWW
Product walkaround
Front view
1 Tray 2
2 Tray 1
3 Print-cartridge door latch
4 Top (face-down) output bin
5 Control panel
6 Automatic document feeder (ADF) input tray
7 Automatic document feeder (ADF) output bin
8 Convenience stapler (HP LaserJet M2727nfs only)
9 Power switch
10 Optional tray 3 (standard on the HP LaserJet M2727nfs MFP)
ENWW Product walkaround 5
Back view
12
13
11
11 Power connector
12 Rear output door (face-up output bin for the straight-through output path)
13 DIMM door
14 Interface ports
Interface ports
The product has a 10/100 Base-T (RJ-45) network port, a Hi-Speed USB 2.0 port, and fax ports.
14
1
1 Hi-Speed USB 2.0 port
2 Network port
3 Fax ports
6 Chapter 1 Product information ENWW
2
3
Control panel
1
Shift
05
06
07
08
1 Fax controls. Use the fax controls to change commonly used fax settings.
2 Alphanumeric buttons. Use the alphanumeric buttons to type data into the product control-panel display and dial
telephone numbers for faxing.
3 Setup and cancel controls. Use these controls to select menu options, determine the product status, and cancel the
current job.
4 Copy controls. Use these controls to change commonly used default settings and to start copying.
5 Scan controls. Use these controls to scan to e-mail or to a folder.
2 4
3
5
ENWW Product walkaround 7
Serial number and model number location
The serial number and product model number label is on the rear output bin door at the back of the
product.
8 Chapter 1 Product information ENWW
Software description
Supported operating systems
The product supports the following operating systems:
Full software installation
Windows XP (32-bit and 64-bit)
●
Windows Vista (32-bit and 64-bit)
●
Mac OS X v10.3, v10.4, and later
●
NOTE: For Mac OS X v10.4 and later, PPC and Intel Core Processor Macs are supported.
Supported printer drivers
The following printer drivers are provided. If the printer driver you want is not on the product CD or is
not available on
and request a driver for the product.
NOTE: The most recent drivers are available at www.hp.com. Depending on the configuration of
Windows-based computers, the installation program for the product software automatically checks the
computer for Internet access to obtain the latest drivers.
Table 1-2 Supported printer drivers
Operating system1Fax driver PCL 6 printer
www.hp.com, contact the manufacturer or distributor of the program that you are using,
Print and scan driver
Windows 98
●
Windows 2000
●
Windows 2003 Server (32-bit and
●
64-bit)
driver
PCL 5 printer
driver
Printer driver only
Linux (Web only)
●
UNIX model scripts (Web only)
●
PS printer driver PPD2 printer
driver
Microsoft Windows 98
Microsoft Millennium
Edition (Me)
Windows 2000
Windows XP
Windows Server 2003
Mac OS X v10.3,
v10.4, and later
1
Not all product features are available from all drivers or operating systems. See the context-sensitive help in the printer driver
for available features.
2
A Macintosh printer driver and the necessary PostScript (PS) Printer Description Files (PPDs) are included with the product.
X
X
XXX
X
X
X
X
X
Software included with the product
There are several options for completing a recommended installation. Easy Install will complete the
installation with default settings. Advanced Install allows you to select custom settings and choose the
components that are installed.
X
X
X
X
X
X
X
X
X
X
ENWW Software description 9
Recommended installation for Windows
HP drivers
●
PCL 6 printer driver
◦
Scan driver
◦
HP MFP software
●
HP ToolboxFX
◦
HP LaserJet Scan program
◦
HP Send Fax program and driver
◦
HP Fax Setup Wizard
◦
Uninstall program
◦
HP Update program
●
HP Customer Participation Program
●
Shop for HP Supplies program
●
Other programs
●
Readiris OCR (not installed with other software; separate installation is required)
◦
Express installation (USB or network)
The following software is included with an Express installation:
PCL 6 printer driver
●
HP LaserJet Scan program and driver
●
NOTE: Express installation supports faxing by using the control panel.
NOTE: PCL 5 and HP postscript level 3 emulation drivers can be installed using the Microsoft Add
Printer wizard.
Macintosh software
HP Product Setup Assistant
●
HP Device Configuration
●
HP Uninstaller
●
HP LaserJet software
●
HP Scan
◦
HP Director
◦
Fax program
◦
10 Chapter 1 Product information ENWW
Scan to e-mail program
◦
HP Photosmart
◦
ENWW Software description 11
Software for Windows
When you install the software for Windows, you can directly connect the product to a computer by using
a USB cable, or you can connect the product to a network by using the internal print server. See the
getting started guide for installation instructions, and see the Readme file for the latest software
information.
HP ToolboxFX
Perform a typical installation in order to use HP ToolboxFX.
HP ToolboxFX provides links to product status information and Help information, such as the user guide,
and tools for product problem-solving. See
Embedded Web server (EWS)
The EWS is a Web-based interface that provides simple access to product status and configurations,
including network configurations and Smart Printing Supplies (SPS) functionality.
You can gain access to the EWS through the network connection to the product. Type the product IP
address in a Web browser to open the product EWS home page in the browser. From the home page,
you can use the tabs and left navigation menu to check the status of the product, configure the product,
or check the status of the supplies.
The following are supported browsers:
HP ToolboxFX on page 58.
Internet Explorer 5.0 or later
●
Netscape Navigator 4.75 or later
●
Opera 6.05 or later
●
Safari 1.2 or later
●
12 Chapter 1 Product information ENWW
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