Home » HP Manuals » Laser Printers » HP 2500 » Manual Viewer

HP 2500 Service Manual - Page 4

Copyright Information, Warranty, Trademark Credits, Safety Information, WARNING - printer user guide

Add to My Manuals
Save this manual to your list of manuals

Page 4 highlights

Copyright Information © 2002 Hewlett-Packard Company All Rights Reserved. Reproduction, adaptations, or translation without prior written permission is prohibited except as allowed under copyright laws. Part number C9706-90926 Edition 1, 9/2002 Printed in USA Warranty The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with respect to this information. HEWLETTPACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for any direct, indirect, incidental, consequential, or other damage alleged in connection with the furnishing or use of this information. NOTICE TO U.S. GOVERNMENT USERS: RESTRICTED RIGHTS COMMERCIAL COMPUTER SOFTWARE: "Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1)(ii) of the Rights in Technical Data Clause at DFARS 52.227-7013." Trademark Credits Microsoft®, Windows®, Windows NT®, and MS-DOS® are U.S. registered trademarks of Microsoft Corporation. TrueType™ is a U.S. trademark of Apple Computer, Inc. UNIX® is a registered trademark of The Open Group. ENERGY STAR® is a U.S. registered service mark of the U.S. Environmental Protection Agency. All other products mentioned herein may be trademarks of their respective companies. Safety Information WARNING! Potential Shock Hazard Always follow basic safety precautions when using this product to reduce risk of injury from fire or electric shock. 1. Read and understand all instructions in the user guide. 2. Observe all warnings and instructions marked on the product. 3. Use only a grounded electrical outlet when connecting the HP LaserJet 2500 printer to a power source. If you don't know whether the outlet is grounded, check with a qualified electrician. 4. Do not touch the contacts on the end of any of the sockets on the HP LaserJet 2500 printer. Replace damaged cords immediately. 5. Unplug this product from wall outlets before cleaning. 6. Do not install or use this product near water or when you are wet. 7. Install the product securely on a stable surface. 8. Install the product in a protected location where no one can step on or trip over the power cord and the power cord will not be damaged. 9. If the product does not operate normally, see the online user guide. 10. Refer all servicing questions to qualified personnel. Information regarding FCC Class B, Parts 15 and 68 requirements can be found in the user guide. Hewlett-Packard Company 11311 Chinden Boulevard Boise, Idaho 83714 U.S.A.

Section	Page
Contents	5
Figures	11
Tables	15
Product Information	17
Chapter contents	17
Introduction	18
Product configurations	18
Product specifications	19
Media specifications	22
Model and serial numbers	23
Printer overview	24
Front and left-side view	24
Back and right-side view	24
Warranty statements	25
Hewlett-Packard limited warranty statement	25
Limited warranty for the print cartridges and imaging drum	26
Regulatory statements	27
Declaration of Conformity	27
Laser safety statement	28
Canadian DOC statement	28
VCCI statement (Japan)	28
Korean EMI statement	28
Finnish laser statement	29
Installation and operation	31
Operating environment	32
Interface ports	33
Control panel features	34
Understanding supplies status	35
Understanding printer status	36
Selecting media	37
Input trays	37
Supported print media	38
Printer output paths	39
Top output bin	39
Rear output door	39
Loading media	40
Loading tray1	40
Loading optional tray2	41
Loading optional tray3	42
Using the embedded Web server	43
Information tab	44
Settings tab	44
Networking tab	44
Other links	45
Using printer status and alerts	46
Maintenance	47
Life expectancies of supplies	48
User-replaceable parts	49
Replacing the pickup roller and separation pad	49
Replacing the separation pad in tray 2 or in optional tray 3	53
Cleaning the printer	55
Cleaning the engine	55
Calibrating the printer	56
Managing supplies	57
Supplies life	57
Checking and ordering supplies	57
Storing supplies	58
Replacing and recycling supplies	58
HP policy on non-HP supplies	59
HP fraud hotline	59
Theory of operation	61
Chapter contents	61
Introduction	62
Engine control system	63
Basic sequence of operation	64
Power-on sequence	65
Motors and fans	66
Laser/scanner system	67
Pickup and feed system	68
Paper trays	69
Jam detection	70
Photosensors and switches	71
Solenoid and clutches	72
Printed circuit assemblies	73
Image formation system	74
Image formation process	75
Latent image formation stage	76
Developing stage	77
Transfer stage	78
Fusing stage	80
Print cartridge	84
Imaging-drum E-label	85
Removal and replacement	87
Introduction	89
Removal and replacement strategy	89
Electrostatic discharge	89
User-replaceable parts	89
Required tools	89
Before performing service	90
Pre-service procedures	90
Parts removal order	91
Removal and replacement	92
Imaging drum	92
Print cartridges	93
Jetdirect card	93
Fuser cover (and fuser)	94
Right- and left-side covers	95
Control panel	97
On-off switch	99
Interface cover	100
Formatter cage	101
Formatter	103
Fuser motor (J702)	105
Dc controller	106
Optional tray 2 (250-sheet tray)	108
Carousel motor (J704)	110
Front lower cover	111
Back cover	112
Top cover	113
Top door	115
Air duct and fan	117
Laser/scanner assembly	118
Front cover	120
Density sensor and top-of-page sensor	121
E-label reader (for imaging-drum E-labels)	122
Tray 1 (multipurpose tray)	124
Tray 1 separation pad assembly	126
Gear assembly	127
Waste-toner sensor	129
Rotary-drive assembly	130
Top plate	133
Print-cartridge carousel	136
Registration-roller assembly	141
Toner-catch tray	142
Transfer-roller plate	143
Transfer roller	144
Feed-drive shaft	145
ECU pan	146
Sub-high-voltage transformer PCA	149
High-voltage transformer PCA	150
Low-voltage PCA	151
Paper-top sensor	153
Fuser-wrap sensor	154
250-sheet feeder pickup roller	155
250-sheet feeder cover	156
250-sheet feeder PCA	157
500-sheet feeder pickup roller	158
500-sheet feeder cover	160
500-sheet feeder motor	161
Troubleshooting	163
Chapter contents	163
Basic troubleshooting	164
Clearing jams	166
Control panel light messages	171
Supplies Status lights	172
Printer Status lights	176
Attention with Ability to Continue secondary messages	179
Accessory error secondary messages	181
Service error secondary messages	183
Solving image-quality problems	185
Solving image-quality problems (all print jobs)	186
Solving image-quality problems (color print jobs)	193
Resolving problems that generated messages	196
Resolving problems that did not generate messages	197
Solving general printing problems	199
Solving PostScript (PS) errors	203
Solving common Macintosh problems	204
Rotating the print-cartridge carousel	206
Functional checks	207
Engine test	207
Half self-test functional check	208
Drum-rotation functional check	208
Heating element check	209
High-voltage power-supply check	209
Paper-path check	210
Service mode functions	211
Cold reset	211
NVRAM initializer	211
Troubleshooting tools	212
Demo page	212
Configuration page	212
Supplies Status page	213
General timing charts	214
Locations of connectors	217
Dc controller connections	220
Main wiring diagram	221
Repetitive image defect ruler	223
HPColor LaserJet 2500 Series Toolbox	224
Parts and diagrams	227
Chapter contents	227
Ordering parts and supplies	228
Parts	228
Related documentation and software	228
Supplies	228
Accessories	229
How to use the parts lists and diagrams	230
Assembly locations	231
Printer (without optional trays)	231
Covers	232
Internal assemblies	234
Front frame assembly	234
Internal Components (1 of 2)	236
Internal components (2 of 2)	238
Main drive assembly	240
Rear frame assembly	242
Middle frame assembly	244
Rotary (carousel) assembly	246
Power-supply base assembly	248
Fuser assembly	250
Rotary-drive assembly	252
PCA assemblies	253
Optional tray 2	254
Covers for optional tray 2	254
Center frame assembly—optional tray 2	256
Media tray—optional tray 2	258
Right cover assembly—optional tray 2	259
Optional tray 3	260
Covers for optional tray 3	260
Internal components—optional tray 3	262
Feed drive assembly—optional tray 3	264
Media tray—optional tray 3	266
Alphabetical parts list	268
Numerical parts list	275
Index	283
Numerics	283
A	283
B	283
C	283
D	284
E	284
F	284
G	285
H	285
I	285
J	285
K	285
L	286
M	286
N	286
O	286
P	287
Q	288
R	288
S	288
T	289
U	290
V	290
W	290

Match case Limit results 1 per page

Hewlett-Packard Company

11311 Chinden Boulevard

Boise, Idaho 83714 U.S.A.

2002 Hewlett-Packard

Company

Reproduction, adaptations, or

translation without prior written

permission is prohibited except

as allowed under copyright laws.

Part number C9706-90926

Edition 1, 9/2002

Printed in USA

Warranty

The information contained in this

document is subject to change

without notice.

Hewlett-Packard makes no

warranty of any kind with respect

to this information. HEWLETT-

PACKARD SPECIFICALLY

DISCLAIMS THE IMPLIED

WARRANTY OF

MERCHANTABILITY AND

FITNESS FOR A PARTICULAR

PURPOSE.

Hewlett-Packard shall not be

liable for any direct, indirect,

incidental, consequential, or

other damage alleged in

connection with the furnishing or

use of this information.

NOTICE TO U.S.

GOVERNMENT USERS:

RESTRICTED RIGHTS

COMMERCIAL COMPUTER

SOFTWARE: “Use, duplication,

or disclosure by the Government

is subject to restrictions as set

forth in subparagraph (c) (1)(ii) of

the Rights in Technical Data

Clause at DFARS 52.227-7013.”

Trademark Credits

Microsoft®, Windows®, Windows

NT®, and MS-DOS® are U.S.

registered trademarks of

Microsoft Corporation.

TrueType™ is a U.S. trademark

of Apple Computer, Inc.

UNIX® is a registered trademark

of The Open Group.

NERGY

TAR

® is a U.S.

registered service mark of the

U.S. Environmental Protection

Agency.

All other products mentioned

herein may be trademarks of

their respective companies.

Safety Information

WARNING!

Potential Shock Hazard

Always follow basic safety

precautions when using this

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 HP LaserJet

2500 printer to a power

source. If you don’t 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 HP LaserJet

2500 printer. Replace

damaged cords

immediately.

Unplug this product from

wall outlets before cleaning.

Do not install or use this

product near water or when

you are wet.

Install the product securely

on a stable surface.

Install the product in a

protected location where no

one can step on or trip over

the power cord and the

power cord will not be

damaged.

If the product does not

operate normally, see the

online user guide.

10.

Refer all servicing questions

to qualified personnel.

Information regarding FCC Class

B, Parts 15 and 68 requirements

can be found in the user guide.