HP Color Laserjet 2500 Schematic

hp color LaserJet

2500 series

service

HP Color LaserJet 2500 Series Printers

Service

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.

E

NERGY 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.

Contents

1 Product Information

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Product configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Product specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Media specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Printer overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Front and left-side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Back and right-side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Warranty statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Hewlett-Packard limited warranty statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Limited warranty for the print cartridges and imaging drum . . . . . . . . . . . . . . . . . . . . . . . . . .24

Regulatory statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Laser safety statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Canadian DOC statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

VCCI statement (Japan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Korean EMI statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Finnish laser statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

2 Installation and operation

Operating environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Interface ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Control panel features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Understanding supplies status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Understanding printer status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Selecting media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Input trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Supported print media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Printer output paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Top output bin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Rear output door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Loading media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Loading tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Loading optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Loading optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Using the embedded Web server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Information tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Settings tab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Networking tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Other links. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Using printer status and alerts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Contents 3

3 Maintenance

Life expectancies of supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Replacing the pickup roller and separation pad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Replacing the separation pad in tray 2 or in optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . 51

Cleaning the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Cleaning the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Calibrating the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Managing supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Supplies life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Checking and ordering supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Storing supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Replacing and recycling supplies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

HP policy on non-HP supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

HP fraud hotline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4 Theory of operation

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Engine control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Basic sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Power-on sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Motors and fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Laser/scanner system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Pickup and feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Paper trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Jam detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Photosensors and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Solenoid and clutches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Printed circuit assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Image formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Image formation process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Latent image formation stage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Developing stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Transfer stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Fusing stage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Print cartridge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Imaging-drum E-label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

4 C9706-90926

5 Removal and replacement

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Removal and replacement strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Electrostatic discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Required tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Before performing service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88

Pre-service procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88

Parts removal order. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Removal and replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

Imaging drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

Print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

Jetdirect card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

Fuser cover (and fuser). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

Right- and left-side covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

Control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

On-off switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Interface cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Formatter

Formatter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

Fuser motor (J702) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

Dc controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Optional tray 2 (250-sheet tray) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106

Carousel motor (J704) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108

Front lower cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

Back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Top door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Air duct and fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115

Laser/scanner assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116

Front cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118

Density sensor and top-of-page sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119

E-label reader (for imaging-drum E-labels). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

Tray 1 (multipurpose tray). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122

Tray 1 separation pad assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124

Gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125

Waste-toner sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

Rotary-drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128

Top plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

Print-cartridge carousel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134

Registration-roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139

Toner-catch tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

Transfer-roller plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141

Transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142

Feed-drive shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143

ECU pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144

Sub-high-voltage transformer PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

High-voltage transformer PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148

Low-voltage PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

Paper-top sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151

Fuser-wrap sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

250-sheet feeder pickup roller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153

250-sheet feeder cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154

250-sheet feeder PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155

500-sheet feeder pickup roller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156

500-sheet feeder cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158

500-sheet feeder motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

5

6 Troubleshooting

Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Clearing jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Control panel light messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Supplies Status lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Printer Status lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Attention with Ability to Continue secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Accessory error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Service error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Solving image-quality problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Solving image-quality problems (all print jobs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Solving image-quality problems (color print jobs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Resolving problems that generated messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Resolving problems that did not generate messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Solving general printing problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Solving PostScript (PS) errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Solving common Macintosh problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

Rotating the print-cartridge carousel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Functional checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Engine test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Half self-test functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Drum-rotation functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Heating element check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

High-voltage power-supply check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Paper-path check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

Service mode functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Cold reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

NVRAM initializer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Troubleshooting tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Demo page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Configuration page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Supplies Status page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

General timing charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

Locations of connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

Dc controller connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

Main wiring diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

HP Color LaserJet 2500 Series Toolbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222

6 C9706-90926

7 Parts and diagrams

Ordering parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226

Related documentation and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226

Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227

How to use the parts lists and diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .228

Assembly locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229

Printer (without optional trays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229

Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230

Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232

Front frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232

Internal Components (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234

Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236

Main drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238

Rear frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240

Middle frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242

Rotary (carousel) assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244

Power-supply base assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .246

Fuser assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248

Rotary-drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250

PCA assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251

Optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .252

Covers for optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .252

Center frame assembly—optional tray 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254

Media tray—optional tray 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .256

Right cover assembly—optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257

Optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258

Covers for optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258

Internal components—optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260

Feed drive assembly—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262

Media tray—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .264

Alphabetical parts list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .266

Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .273

Index

7

8 C9706-90926

Figures

Figure 1. Front and left-side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Figure 2. Back and right-side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Figure 3. Space required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Figure 4. Interface ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Figure 5. Control panel lights and buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Figure 6. Standard and optional input trays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Figure 7. Printer output paths. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Figure 8. Toner specks and smearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Figure 9. Loading the cleaning page in tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Figure 10. Cross-section of the printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Figure 11. Engine control system (includes the basic configuration of the printer) . . . . . . . . .61

Figure 12. Power-on sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Figure 13. Motors and fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Figure 14. Laser/scanner system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Figure 15. Pickup and feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Figure 16. Optional tray 2 (250-sheet paper tray) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

Figure 17. Photosensors and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Figure 18. Photosensors and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Figure 19. Solenoid and clutches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Figure 20. Solenoid and clutches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Figure 21. Printed circuit assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

Figure 22. Printed circuit assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

Figure 23. Image formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

Figure 24. Image formation process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Figure 25. Step 1: primary charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

Figure 26. Step 2: laser-beam exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

Figure 27. Developing block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Figure 28. Step 3: developing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Figure 29. Step 4: primary transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Figure 30. Step 5: secondary transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

Figure 31. Step 6: separation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

Figure 32. Step 7: fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

Figure 33. Step 8: roller charging (auxiliary transfer belt cleaning roller). . . . . . . . . . . . . . . . .78

Figure 34. Step 9: roller charging (transfer belt cleaning roller). . . . . . . . . . . . . . . . . . . . . . . .79

Figure 35. Step 10: transfer belt cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

Figure 36. Step 11: drum cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

Figure 37. Print cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

Figure 38. Print-cartridge E-label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

Figure 39. Removing the fuser cover (and fuser). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

Figure 40. Removing the right-side cover (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

Figure 41. Removing the right-side cover (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

Figure 42. Removing the control panel (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

Figure 43. Removing the control panel (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

Figure 44. Removing the on-off switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Figure 45. Removing the interface cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Figure 46. Removing the formatter cage (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

Figure 47. Removing the formatter cage (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Figure 48. Removing the formatter (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

Figure 49. Removing the formatter (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102

Figure 50. Removing the fuser motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

Figure 51. Removing the dc controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Figure 52. Removing the dc controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Contents 9

Figure 53. Removing optional tray 2 (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Figure 54. Removing optional tray 2 (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Figure 55. Removing the carousel motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Figure 56. Removing the front lower cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Figure 57. Removing the back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Figure 58. Removing the top cover (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Figure 59. Removing the top cover (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Figure 60. Removing the top door (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 61. Removing the top door (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Figure 62. Removing the air duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Figure 63. Removing the laser/scanner assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Figure 64. Reinstalling the top output bin cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Figure 65. Removing the front cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Figure 66. Removing the density sensor cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Figure 67. Removing the density sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Figure 68. Removing the E-label reader (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Figure 69. Removing the E-label reader (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Figure 70. Removing tray 1 (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Figure 71. Removing tray 1 (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Figure 72. Removing the tray 1 separation pad assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Figure 73. Removing the gear assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Figure 74. Removing the gear assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Figure 75. Removing the waste toner sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Figure 76. Removing the rotary-drive assembly (1 of 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Figure 77. Removing the rotary-drive assembly (2 of 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Figure 78. Removing the rotary-drive assembly (3 of 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Figure 79. Removing the top plate (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Figure 80. Removing the top plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Figure 81. Removing the top plate (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Figure 82. Removing the print-cartridge carousel (1 of 5). . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Figure 83. Removing the print-cartridge carousel (2 of 5). . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Figure 84. Removing the print-cartridge carousel (3 of 5). . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Figure 85. Reinstalling the print-cartridge carousel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Figure 86. Removing the registration-roller assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Figure 87. Removing the toner-catch tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Figure 88. Removing the transfer-roller plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Figure 89. Removing the transfer roller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Figure 90. Removing the feed-drive shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Figure 91. Removing the ECU pan (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Figure 92. Removing the ECU pan (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Figure 93. ECU connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Figure 94. Removing the sub-high-voltage transformer PCA . . . . . . . . . . . . . . . . . . . . . . . . 147

Figure 95. Removing the high-voltage transformer PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Figure 96. Removing the low-voltage PCA (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Figure 97. Removing the low-voltage PCA (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Figure 98. Removing the paper-top sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Figure 99. Removing the fuser wrap sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Figure 100. Removing the 250-sheet feeder pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Figure 101. Removing the 250-sheet feeder cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Figure 102. Removing the 250-sheet feeder PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Figure 103. Removing the 500-sheet feeder pickup roller (1 of 2) . . . . . . . . . . . . . . . . . . . . . 156

Figure 104. Removing the 500-sheet feeder pickup roller (2 of 2) . . . . . . . . . . . . . . . . . . . . . 157

Figure 105. Removing the 500-sheet feeder cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Figure 106. Removing the 500-sheet feeder motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Figure 107. Control panel lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Figure 108. Rotating the print-cartridge carousel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Figure 109. Location of the engine-test switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Figure 110. Print cartridge high-voltage connection points. . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Figure 111. Overriding SW301 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

10 C9706-90926

Figure 112. General timing chart—WAIT period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212

Figure 113. General timing chart—one page, full-color, normal speed . . . . . . . . . . . . . . . . . .213

Figure 114. General timing chart—one page, full-color, half speed. . . . . . . . . . . . . . . . . . . . .214

Figure 115. Locations of printer connectors (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .215

Figure 116. Locations of printer connectors (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216

Figure 117. Locations of printer connectors (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216

Figure 118. Locations of 250-sheet tray connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217

Figure 119. Locations of 500-sheet tray connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217

Figure 120. Dc controller connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218

Figure 121. Main wiring (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219

Figure 122. Main wiring (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220

Figure 123. Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .221

Figure 124. Assembly locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229

Figure 125. Covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230

Figure 126. Front frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232

Figure 127. Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234

Figure 128. Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236

Figure 129. Main drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238

Figure 130. Rear frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240

Figure 131. Middle frame assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242

Figure 132. Rotary (carousel) assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244

Figure 133. Power-supply base assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .246

Figure 134. Fuser assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248

Figure 135. Rotary-drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250

Figure 136. PCA assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251

Figure 137. Covers for optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .252

Figure 138. Center frame assembly—optional tray 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254

Figure 139. Media tray—optional tray 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .256

Figure 140. Right cover assembly—optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257

Figure 141. Covers for optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258

Figure 142. Internal components—optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260

Figure 143. Feed drive assembly—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262

Figure 144. Media tray—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .264

11

12 C9706-90926

Tables

Table 1. Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Table 2. Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Table 3. Consumables specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Table 4. Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Table 5. Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Table 6. Acoustic emissions (bystander position). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Table 7. Tray 1 specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Table 8. Optional tray 2 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Table 9. Optional tray 3 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Table 10. Supplies-status messages and actions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Table 11. Printer-status messages and actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Table 12. Input tray configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Table 13. Supported sizes and types of print media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Table 14. Life expectancies of supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Table 15. Basic sequence of operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Table 16. Motors and fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Table 17. Photosensors and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Table 18. Solenoid and clutches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Table 19. Printed circuit assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

Table 20. Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162

Table 21. Control panel lights legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169

Table 22. Supplies Status light messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170

Table 23. Printer Status light messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174

Table 24. Attention with Ability to Continue secondary messages . . . . . . . . . . . . . . . . . . . .177

Table 25. Accessory error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179

Table 26. Service error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181

Table 27. Solving general printing problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .197

Table 28. Technical support websites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226

Table 29. Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227

Table 30. Covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231

Table 31. Front frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233

Table 32. Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235

Table 33. Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237

Table 34. Formatter assemblies (not pictured). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237

Table 35. Main drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239

Table 36. Rear frame assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241

Table 37. Middle frame assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243

Table 38. Rotary assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245

Table 39. Power-supply base assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .247

Table 40. Fuser assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .249

Table 41. Rotary-drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250

Table 42. PCA assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251

Table 43. Covers for optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .253

Table 44. Center frame assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .255

Table 45. Media tray—optional tray 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257

Table 46. Right cover assembly—optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257

Table 47. Covers for optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .259

Table 48. Internal components—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261

Table 49. Feed drive assembly—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263

Table 50. Media tray—optional tray 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265

Table 51. Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .266

Table 52. Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .273

Contents 13

14 C9706-90926

1 Product Information

Chapter contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Product configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Product specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Media specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Model and serial numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Printer overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Front and left-side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Back and right-side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Warranty statements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Hewlett-Packard limited warranty statement. . . . . . . . . . . . . . . . . . . . . . . 23

Limited warranty for the print cartridges and imaging drum . . . . . . . . . . . 24

Regulatory statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Laser safety statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Canadian DOC statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

VCCI statement (Japan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Korean EMI statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Finnish laser statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

EN 1 Product Information 15

Introduction

The HP Color LaserJet 2500 series printer is a four-color laser printer that prints at 16 pages per
minute (ppm) in black and white, and 4 ppm in color.



Trays—The printer comes with a tray1 (multipurpose tray) that holds up to 125 sheets of
various print media or 10 envelopes. The HP Color LaserJet 2500L (base model) is
compatible with optional tray 2 (250-sheet tray) for standard sizes of paper and optional
tray 3 (500-sheet tra y) for A4 and letter sizes. (Optional tray 2 must be installed in order to
install optional tray 3.)



Connectivity—The printer provides parallel and universal serial bus (USB) ports for
connectivity. The printer also contains an enhanced input/output (EIO) slot for installing an
optional HP Jetdirect print server card.

Note The parallel and USB ports cannot be connected at the same time.



Memory—The printer contains three dual inline memory module (DIMM) slots. The standa rd
64-megabyte (MB) random access memory (RAM) DIMM resides in one of the slots. The
printer memory can be expanded to a total of 320 MB using 32-, 64-, or 128-MB RAM
DIMMs. A language font DIMM can be installed in one of the DIMM slots.

Product configurations

HP Color LaserJet 2500L

The HP Color LaserJet 2500L printer comes with tray 1 (multipurpose tray), and is compatible
with optional trays 2 and 3.

HP Color LaserJet 2500

The HP Color LaserJet 2500 printer comes with tray 1 and tray 2, and is compatible with optional
tray 3.

HP Color LaserJet 2500n



The HP Color LaserJet 2500n printer comes with tray 1 and tray 2, and is compatible with
optional tray 3.



The printer comes with an HP Jetdirect 615n print server card for connecting to a
10/100Base-T network.

HP Color LaserJet 2500tn



The HP Color LaserJet 2500tn printer comes with tray 1, tray 2, and tray 3.



The printer comes with an HP Jetdirect 615n print server card for connecting to a
10/100Base-T network.

Note Because tray 2 and tray 3 are not included with all models, they are ref erred to as optional tr a y 2

and optional tra y 3 in this documentation.

16 Product Information C9706-90926

Product specifications

Table 1. Product features

Category Feature

Color printing

Fast print speed
Excellent print quality

Ease of use

Expandability



Capable of laser printing in full color using the four process colors: cyan,
magenta, yellow, and black.



Prints letter-size paper at 16 ppm for black or 4 ppm for color.



True 600 by 600 dots per inch (dpi) text and graphics.



ImageREt 2400 provides 2400 dpi color laser-class quality through a
multilevel printing process.



Adjustable settings to optimize print quality.



The HP UltraPrecise print cartridge has a finer toner formulation that
provides sharper text and graphics.



Few supplies to order. Supplies are easy to install.



Convenient access to printer information and settings using software tools
(HP Color LaserJet 2500 Series Toolbox, embedded Web server, Printer
Status and Alerts).



Optional tray 2. Included with the 2500, 2500n, and 2500tn models;
compatible with the 2500L model. This 250-sheet tray for standard paper
sizes reduces the frequency with which you have to add paper to the printer.
Only one 250-sheet tray can be installed on the printer.



Optional tray 3. Included with the 2500tn model; compatible with the 2500L,
2500, and 2500n models. This 500-sheet tray for letter- and A4- sized paper
reduces the frequency with which you have to add paper to the printer. Only
one 500-sheet tray can be installed on the printer.

NOTE: Optional tray2 must be installed in order to install optional tray 3.

Flexible paper handling



Optional HP Jetdirect print server card for connecting to a network. Included
with the 2500n and 2500tn models; compatible with the 2500L and 2500
models.



Two additional DIMM slots for adding memory and fonts.

NOTE: The printer has three DIMM slots, but the first slot (the slot on the left)

might contain a flash DIMM.



Adjustable tray 1 for letterhead, envelopes, labels, transparencies, custom­sized media, postcards, and heavy paper.



Optional tray 2 for standard-size paper.



Optional tray 3 for letter- and A4-size paper.



One 125-sheet output bin (top output bin). Select the top output bin (face­down bin) for most jobs, including transparencies.

NOTE: HP LaserJet 2500 series printers do not print in color on

transparencies.



One rear output door. Use the rear output door (face-up bin) for jobs on
heavy paper, light paper, or special print media.



Straight-through paper path available from tray 1 to the rear output door.



Manual duplexing. See the HP Color LaserJet 2500 Series Printer User
Guide for more information.

EN 1 Product Information 17

Table 1. Product features (continued)

Category Feature

Printer control
language (PCL) printer
language and fonts

PostScript (PS) 3
emulation language
and fonts

Automatic language
switching

Interface connections

Networking



Fast printing performance, built-in Intellifont and TrueType™ scaling
technologies, built-in HP-GL/2 vector graphics, and advanced imaging
capabilities are benefits of the PCL 5 and PCL 6 printer languages. PCL 5
and PCL 6 also include 45 scalable TrueType fonts and one bitmapped line
printer (LP) font. PCL 5 and PCL 6 printer languages also included.



PostScript (PS) 3 emulation with 35 built-in PS language fonts included.



The printer automatically determines and switches to the appropriate printer
language (such as PS 3) for the print job.



Bidirectional enhanced capabilities port (ECP) type-B parallel port (IEEE­1284 compliant).



USB port. A parallel cable and a USB cable cannot be connected at the
same time. If they are, the USB disables itself.



EIO slot in the 2500L and 2500 models. The 2500n and 2500tn models
include the optional HP Jetdirect 615n print server card.



The 2500L and 2500 models provide an EIO slot for an optional HP Jetdirect
print server card for fast and easy connectivity. (The 2500n and 2500tn
models include the HP Jetdirect 615n print server card.)



All common network protocols such as Ethernet, Token Ring, and LocalTalk
are available using HP Jetdirect print server cards.



Wireless networking (802.11b) is available with the HP Jetdirect 615n print
server card (model J6058A).

Memory expansion



The printer comes with 64 MB of memory and ca n be expanded to 320 MB
by using the DIMM slots.



Energy savings

The printer automatically conserves electricity by substantially reducing
power consumption when you are not printing.



As an ENERGY STAR® partner, Hewlett-Packard Company has determined
that this product meets E
ENERGY STAR® is a U.S. registered service mark of the United States
Environmental Protection Agency.

Economical printing



Pages-per-sheet printing and two-sided printing using manual duplexing
saves paper. See the HP Color LaserJet 2500 Series User Guide for more
information.

Print cartridges



The Supplies Status page includes print cartridge and imaging drum gauges
that show life remaining (for HP supplies only).



No-shake cartridge design.



Authentication for HP print cartridges.



Enabled supplies-ordering capability.

Table 2. Physical specifications

Category HP LaserJet 2500

without optional trays
2 and 3

NERGY STAR guidelines for energy efficiency.

HP LaserJet 2500
with optional tray 2
(250-sheet)

HP Las erJet 2500
with optional tray 3
(500-sheet)

Height 325 mm (12.80 inches) 376 mm (14.81 inches) 512 mm (20.16 inches)
Width 482 mm (18.98 inches) 482 mm (18.98 inches) 482 mm (18.98 inches)
Depth (body) 452 mm (17.80 inches) 452 mm (17.80 inches) 452 mm (17.80 inches)
Weight (with supplies) 21.52 kg (47.45 lbs) 23.9 kg (52.7 lbs) 29.27 kg (64.55 lbs)

18 Product Information C9706-90926

Table 3. Consumables specificatio ns

Category Specification

Imaging-drum life 20,000 pages when printing only in black.

5,000 pages when printing in color.
6,000 to 8,000 pages is the average life.

Print-cartridge life Black: 5,000 pages.

Yellow, cyan, and magenta: 4,000 pages each.

Table 4. Electrical specifications

Category 110-volt models 220-volt models

Power requirements 115 to 127 V (+/- 10%)

60 Hz (+/- 2 Hz)

Minimum
recommended circuit
capacity for typical
product

Average power
consumption (watts) —
HP Color LaserJet
2500 series printers

12 Amps 6 Amps

Printing, color = 400 W
Printing, monochrome = 224 W
Standby = 30 W
Off = 0 W

220 to 240 V (+/- 10%)
50 Hz (+/- 2 Hz)

Printing, color = 403 W
Printing, monochrome = 217 W
Standby = 31 W
Off = 0 W

CAUTION Po wer re quirements ar e based on the region where the printer is sold. Do not con vert operating

voltages. This will damage the printer and void the product warranty.

Table 5. Environmental specifications

Category Operating Storage

Temperature
(printer and print
cartridge)

Relative humidity 10% to 80% 95% or less

15° to 32.5° C

° to 90.5° F)

(59

-20

° to 40° C

(-4° to 104° F)

Table 6. Acoustic emissions (bystander position)

Sound power

Category

Printing (16 ppm) L
Standby (not audible) (not audible)

(declared Per ISO 9296)

= 6.6 bels(A) L

WAd

Bystander position
(declared Per ISO 9296)

= 51 dB(A)

pAm

Note Acoustic emissions values are subject to change. See http://www.hp.com/support/clj2500 for

current information.

EN 1 Product Information 19

Media specifications

This section contains information about the sizes, weights, and capacities of media that each tray
supports.

Table 7. Tray 1 specifications

Tr ay 1 Di mensions

1

Weight or thickness Capacity

2

Paper Minimum:

76 by 127 mm
(3 by 5 inches)

Transparencies and
opaque film

3

Labels

Maximum:
216 by 356 mm
(8.5 by 14 inches)

Weight:
60 to 177 g/m

2

(16 to 47 lb)
Thickness:

0.10 to 0.13 mm
(0.0039 to 0.0051 inches)

Thickness:

125 sheets of 75-g/m
(20-lb) paper

50 typically

50 typically
up to 0.23 mm
(up to 0.0091 inches)

Envelopes Weight:

up to 10
Up to 90 g/m2
(16 to 24 lb)

1. The printer supports a wide range of standard and custom sizes of print media. Check the printer driver for
supported sizes.

2. Capacity can vary depending on media weight and thickness, and environmental conditions.

3. Smoothness: 100 to 250 (Sheffield).

Table 8. Optional tray 2 specifications

1

Optional tray 2
(250-sheet tray)

Letter 216 by 279 mm

A4 210 by 297 mm

A5 148 by 210 mm

Dimensions

(8.5 by 11 inches)

2

Weight Capacity

60 to 105 g/m2
(16 to 28 lb)

250 sheets of 75-g/m2
(20-lb) paper

3

(8.3 by 11.7 inches)

(5.8 by 8.3 inches)

2

B5 (ISO) 176 by 250 mm

(6.9 by 9.9 inches)

B5 (JIS) 182 by 257 mm

(7.2 by 10 inches)

Executive 191 by 267 mm

(7.3 by 10.5 inches)

Legal 216 by 356 mm

(8.5 by 14 inches)

8.5 by 13 inch 216 by 330 mm

(8.5 by 13 inches)

1. Optional tray 2 supports paper only.

2. The printer supports a wide range of standard and custom sizes of print media. Check the printer driver for
supported sizes.

3. Capacity can vary depending on media weight and thickness, and environmental conditions.

20 Product Information C9706-90926

Table 9. Optional tray 3 specifications

Optional tray 2

1

(250-sheet tray)

Letter 216 by 279 mm

A4 210 by 297 mm

1. Optional tray 3 supports paper only.

2. The printer supports a wide range of standard and custom sizes of print media. Check the printer driver for
supported sizes.

3. Capacity can vary depending on media weight and thickness, and environmental conditions.

Model and serial numbers

The model number and serial number are listed on an identificat ion label located un derneath the
top door .

The serial number contains information ab o ut the coun try of origin and the revision level,
manufacturing date, production code, and production number of the product.

The label also contains power rating and regulatory information.

Dimensions

(8.5 by 11 inches)

(8.3 by 11.7 inches)

2

Weight Capacity

60 to 105 g/m
(16 to 28 lb)

2

500 sheets of 75-g/m2
(20-lb) paper

3

EN 1 Product Information 21

Printer overview

Front and left-side view

T op outpu t

Control panel

bin

Top cover

Power
switch

Figure 1. Front and left-side view

Back and right-side view

Control
panel

Interface
ports (see
figure 4 on
page 31)

Tray 1

Optional tray 2

(2500, 2500n, and

2500tn)

Rear output door

Power connector

Figure 2. Back and right-side view

22 Product Information C9706-90926

Warranty statements

Hewlett-Packard limited warranty statement

HP PRODUCT DURATION OF WARRANTY

HP Color LaserJet 2500L, 2500, 2500n, 2500tn 1 year, Return to Authorized Service Center

1. HP warrants to you, the end-user customer, that HP hardware and accessories will be free from defects in
materials and workmanship after the date of purchase, for the period specified above. If HP receives notice of
such defects during the warranty period, HP will, at its option, either repair or replace products which prove to be
defective. Replacement products may be either new or equivalent in performance to new.

2. HP warrants to you that HP software will not f ail to execute its programming instructions after the date of
purchase, fo r the period specified abo ve , due to def ects in material and w orkmanship when properly installed an d
used. If HP receives notice of such defects during the warranty period, HP will replace software which does not
execute its programming instructions due to such defects.

3. HP does not warrant that the operation of HP products will be uninterrupted or error free. If HP is unable, within a
reasonable time, to repair or replace any product to a condition as warranted, you will be entitled to a refund of
the purchase price upon prompt return of the product.

4. HP products may contain remanufactured parts equivalent to new in performance or may have been subject to
incidental use.

5. Warranty does not apply to defects resulting from (a) improper or inadequate maintenance or calibration, (b)
software, interfacing, parts or supplies not supplied by HP, (c) unauthorized modification or misuse, (d) operation
outside of the published environmental specifications for the product, or (e) improp e r site pre pa ration or
maintenance.

6. TO THE EXTENT ALLOWED BY LOCAL LA W, THE ABO VE WARRANTIES ARE EXCLUSIVE AND NO OTHER
WARRANTY OR CONDITION, WHETHER WRITTEN OR ORAL, IS EXPRESSED OR IMPLIED AND HP
SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY,
SATISFACTORY QUALITY, AND FITNESS FOR A PARTICULAR PURPOSE. Some countries/regions, states or
provinces do not allow limitations on the duration of an implied warranty, so the abo ve limitation or exclusion
might not apply to you. This war ranty giv es y ou specific legal rights and y ou mig ht also ha v e other rights that v ary
from country/region to country/region, state to state, or province to province.

7. HP’s limited warranty is valid in any country/region or locality where HP has a support presence for this product
and where HP has marketed this product. The level of warranty service you receive may vary according to local
standards. HP will not alter form, fit or function of the product to make it operate in a country/region for which it
was never intended to function for legal or regulatory reasons.

8. TO THE EXTENT ALLOWED BY LOCAL LA W, THE REMEDIES IN THIS WARRANTY STATEMENT ARE YOUR
SOLE AND EXCLUSIVE REMEDIES. EXCEPT AS INDICATED ABOVE, IN NO EVENT WILL HP OR ITS
SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL
(INCLUDING LOST PROFIT OR DATA), OR OTHER DAMAGE, WHETHER BASED IN CONTRACT, TORT, OR
OTHERWISE. Some countries/regions, states or provinces do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation or exclusion may not apply to you.

THE WARRANTY TERMS CONTAINED IN THIS STATEMENT, EXCEPT TO THE EXTENT LAWFULLY
PERMITTED, DO NOT EXCLUDE, RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY
STATUTORY RIGHTS APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU.

EN 1 Product Information 23

Limited warranty for the print cartridges and imaging drum

This HP product is warranted to be free from defects in materials and workmanship during its
useful life (end of life is indicated by a printer control panel low-life message).

This warranty does not cover products that have been modified, refurbished, remanufactured,
misused or tampered with in any way.

This limited warranty gives you specific legal rights. You may have other rights which vary from
state to state, province to province and country/region to country/region.

THE ABOVE WARRANTIES ARE E XCLUSIVE AND NO OTHER WARRANTY, WHETHER
WRITTEN OR ORAL, IS EXPRESSED OR IMPLIED. THE HEWLETT-PACKARD COMPANY
SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OR MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. TO THE EXTENT ALLOWED BY APPLICABLE
LAW, IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY
INCIDENTAL, CONSEQUENTIAL, SPECIAL, INDIRECT, PUNITIVE, OR EXEMPLARY
DAMAGES OR LOST PROFITS FROM ANY BREACH OF THIS WARRANTY OR
OTHERWISE.

In the event that your product proves to be defective, please return to place of purchase with a
written description of the problem.

24 Product Information C9706-90926

Regulatory statements

Declaration of Conformity

according to ISO/IEC Guide 22 and EN 45014

Manufacturer's Name: Hewlett-Packard Company
Manufacturer's Address: 11311 Chinden Boulevard

declares, that the product

Product Name: HP Color LaserJet 2500L, 2500, 2500n, 2500tn

Model Number: C9705A, C9706A, C9707A, C9708A

Product Options: ALL

conforms to the following Product Specifications:

Boise, Idaho 83714-1021, USA

Including: 250-sheet and 500-sheet paper feeder unit

Including: C9698A, C9699A

Safety: IEC 60950:1991+A1+A2+A3+A4 / EN 60950:1992+A1+A2+A3+A4+A11

IEC 60825-1:1993+A1 / EN 60825-1:1994+A11 (Class 1 Laser/LED Product)
GB4943-1995

EMC: CISPR 22:1993+A1+A2 / EN 55022:1994+A1+A2 Class B

EN 61000-3-2:1995 / A14
EN 61000-3-3:1995
EN 55024:1998
FCC Title 47 CFR, Part 15 Class B
AS / NZS 3548:1995+A1+A2

2

/ ICES-003, Issue 3/ GB9254-1998

1*

Supplementary Information:

The product herewith complies with the requirements of the EMC Directive 89/336/EEC and the Low
Voltage Directive 73/23/EEC, and carries the CE-marking accordingly.

1) The product was tested in a typical configuration with Hewlett-Packard Personal Computer
Systems.

2) This Device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.

* This product includes LAN (Local Area Network) options. When the interface cable is attached

to LAN connectors, the product meets the requirements of EN55022 Class A in which case the
following applies: “Warning — This is a class A product. In a domestic environment this product
may cause radio interference in which case the user may be required to take adequate
measures.”

3) The model number may include an additional suffix letter “R”.

Boise, Idaho USA

6 June, 2002

For regulatory topics only:

Australia Contact: Product Regulations Manager, Hewlett-Packard Australia Ltd., 31-41 Joseph

European Contact: Your Local Hewlett-Packard Sales and Service Office or Hewlett-Packard

USA Contact: Product Regulations Manager, Hewlett-Packard Company, PO Box 15, Mail

Street, Blackburn, Victoria 3130, Australia

GmbH, Department HQ-TRE / Standards Europe, Herrenberger Straße 130,
D-71034 Böblingen (FAX: [phone])

Stop 160, Boise, ID 83707-0015 (Phone: [phone])

EN 1 Product Information 25

Laser safety statement

The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug
Administration has implemented regulations for laser products manufactured since August 1,

1976. Compliance is mandatory for products marketed in the United States. The printer is
certified as a “Class 1” laser product under the U.S. Department of Health and Human Services
(DHHS) Radiation Performance Standard according to the Radiation Control for Health and
Safety Act of 1968.

Since radiation emitted inside the printer is completely confined within prot ective housings and
external covers, the laser beam cannot escape during any phase of normal user operation.

WARNING! Using controls, making adjustments , or perf orming procedures othe r than those specified in th is

user guide may result in exposure to hazardous radiation.

Canadian DOC statement

Complies with Canadian EMC Class B requirements.
«Conforme à la classe B des normes canadiennes de compatibilité électromagnétiques (CEM).»

VCCI statement (Japan)

Korean EMI statement

26 Product Information C9706-90926

Finnish laser statement

LASERTURVALLISUUS
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPARAT

HP Color LaserJet 2500 -laserkirjoitin on käyttäjän kannalta turvallinen luokan 1 laserlaite.
Normaalissa käytössä kirjoittimen suojakotelointi estää lasersäteen pääsyn laitteen ulkopuolelle.

Laitteen turvallisuusluokka on määritetty standardin EN 60825-1 (1993) mukaisesti.

VAROITUS!

Laitteen käyttäminen muulla kuin käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän
turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle.

VARNING!

Om apparaten används på annat sätt än i bruksanvisning specificerats, kan användar en utsättas
för osynlig laserstrålning, som överskrider gränsen för laserklass 1.

HUOLTO

HP Color LaserJet 2500 -kirjoittimen sisällä ei ole käyttäjän huollettavissa olevia kohteita.
Laitteen saa avata ja huoltaa ainoastaan sen huoltamiseen koulutettu henkilö. Tällaiseksi
huoltotoimenpiteeksi ei katsota väriainekasetin vaihtamista, paperiradan puhdistusta tai muita
käyttäjän käsikirjassa lueteltuja, käyttäjän tehtäväksi tarkoitettuja yll äpitotoimia, jotka voidaan
suorittaa ilman erikoistyökaluja.

VARO!

Mikäli kirjoittimen suojakotelo a v ataan, olet alt tiina näkymättömälle lasersäteilylle laitteen ollessa
toiminnassa. Älä katso säteeseen.

VARNING!

Om laserprinterns skyddshölje öppnas då apparaten är i funktion, utsättas användaren för
osynlig laserstrålning. Betrakta ej strålen.

Tiedot laitteessa käytettävän laserdiodin säteilyominaisuuksista:

Aallonpituus 770-795 nm
Teho 5 mW
Luokan 3B laser

EN 1 Product Information 27

28 Product Information C9706-90926

2 Installation and operation

Operating environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Interface ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Control panel features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Understanding supplies status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Understanding printer status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Selecting media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Input trays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Supported print media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Printer output paths. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Top output bin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Rear output door. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Loading media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Loading tray 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Loading optional tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Loading optional tray 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Using the embedded Web server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Information tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Settings tab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Networking tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Other links. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Using printer status and alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

EN 2 Installation and operation 29

Operating environment

Place the printer on a sturdy, level surface in a well-ventilated area that meets the following
environmental requirements:



temperature: 15° to 32.5° C (59° to 90.5° F)



humidity: 10% to 80% relative humidity (no condensation)



awa y from direct sunlight, open flames, and ammonia fumes



sufficient space around the printer for access and ventilation

1068 mm (42.0 inches)

387 mm

(15.2 inches)

505 mm (19.9 inches)

590 mm (23.2 inches)

830 mm (32.7 inches)

694 mm (27.3 inches)

643 mm (25.3 inches)

Figure 3. Space required

30 Installation and operation C9706-90926

Interface ports

All HP Color LaserJet 2500 series printers have two interface ports: an IEEE-1284B parallel port
and a USB port. The 2500L and 2500 models also contain an EIO slot for installing an optional
HP Jetdirect print server card. To order a print server card, see chapter 7, or contact your local
HP dealer.

The 2500n and 2500tn models include an HP Jetdirect 615n print server card that contains a
10/100Base-T (RJ-45) port.

Because the HP Jetdirect print server card is not included with all models, it will be referred to as
the optional HP Jetdirect print server card in this documentation.

Note You cannot connect the printer to one computer with a parallel cable and to another computer

with a USB cable. If you connect both ty pes of cab les, the USB disab les itself . Ho we v er, you can
connect one of the cables while the printer is connected to the network with an installed
HP Jetd ire ct print server card.

USB port

Figure 4. Interface ports

Parallel port

(IEEE-1284B)

10/100Base-T

(on the optional HP Jetdirect

615n print server card)

EN 2 Installation and operation 31

Control panel features

The lights and buttons on the cont rol panel are arranged into two main groups: supplies status
(top group) and printer status (bottom group). To interpret and troubleshoot control panel light
messages, see chapter 6.

The printer control panel contains the following lights and buttons:

Black print cartridge

light

Cyan print cartridge

light

Magenta print cartridge

light

Yellow print cartridge

light

R

OTATE CAROUSEL

button

Imaging drum

light

CANCEL JOB

button

Attention light

(amber)

Ready light

(green)

Go light and

O button (both green)

G

and buttons

Supplies Status lights

and buttons

Printer Status lights

Figure 5. Control panel lights and buttons

32 Installation and operation C9706-90926

Understanding supplies status

Five lights indicate and one button controls the status of the print cartridges and imaging drum.
To interpret and troubleshoot control panel light messages, see chapter 6.

Table 10. Supplies-status messages and actions

Light or button Message or action

Black-supply-status
light

Cyan-supply-status
light

Magenta-supply-status
light

Yellow-supply-status
light

Rotate Carousel

button

Imaging drum light



Light is on—print cartridge is low.



Light is blinking—print cartridge is empty or missing.



Light is blinking and Attention light is on—a non-HP print cartridge is installed
for the first time. For more information about resetting the printer for non-HP
supplies, see page 57.

(These lights will not indicate low or empty status for non-HP print cartridges.)



Press this button to rotate the print-cartridge carousel to bring the next print
cartridge into the top position. The corresponding light for the print cartridge
that is approaching the top position blinks quickly two or three times.

(If the top cover is open, then the carousel will not rotate.)



Light is on—imaging drum is low.



Light is blinking—imaging drum is empty or missing.



Light is blinking and Attention light is on—a non-HP imaging drum is installed
for the first time.

(These lights will not indicate low or empty status for non-HP imaging drums.)

EN 2 Installation and operation 33

Understanding printer status

Three lights indicate and two buttons cont rol the printer status. To interpret and troubleshoot
control panel light messages, see chapter 6.

CAUTION You do not receive any indication of when a non-HP supp ly is empty . If y ou continue printing after

the supply is empty , damage to the printer can occur. See the “Hewlett-P ackard limited w arranty
statement” on page 23.

Table 11. Printer-status messages and actions

Light or button Message or action

Cancel Job button

Attention light

Ready light

Go light and

Go button



When the Ready light is blinking, pressing (CANCEL JOB) cancels the
current job.



When the printer is not experiencing an error condition, pressing (GO)
and (C

ANCEL JOB) simultaneously prints a Configuration page and a

Supplies Status page. (If an HP Jetdirect print server card is installed, the
printer also prints an HP Jetdirect page.)



When a Supplies Status light is blinking and the Attention light is on
(indicating that a non-HP supply has been installed), press (CANCEL JOB)
to continue printing.



When the Attention light is blinking, the printer is out of paper, a jam has
occurred, or another problem that needs attention has occurred.



When the Attention light is on and one of the supplies status lights blinks, a
non-HP supply has been installed for the first time. For more information
about resetting the printer for non-HP supplies, see page 57.



When the Ready light is on, the printer is ready to print (experiencing no
errors that prevent printing).



When the Ready light is blinking, the printer is receiving data.



When the Go light is on and the Attention light is blinking, pressing (GO)
either continues the print job after you load media for a manual feed or clears
some errors.



When the Go light is blinking, the top cover has been opened and then
closed or you have pressed (ROTATE CAROUSEL). Pressing (GO)
returns the printer to the Ready state. If you do not press (G

O), the

printer returns to the Ready state on its own after approximately eight
seconds.



When the Go light is off, pressing (GO) prints a Demo page. Pressing

(GO) and (CANCEL JOB) simultaneously prints a Configuration page
and a Supplies Status page. (If an HP Jetdirect print server card is installed,
the printer also prints an HP Jetdirect page.)

34 Installation and operation C9706-90926

Selecting media

Input trays

The HP Color LaserJet 2500 series printer comes with one or more input trays. See table 12 for
configuration information.

Tray 1

Optional tray 2

Optional tray 3

Figure 6. Standard and optional input trays

Table 12. Input tray configuration

Printer model Standard input trays Optional input trays

HP Color LaserJet
2500L

HP Color LaserJet
2500

HP Color LaserJet
2500n

HP Color LaserJet
2500tn



tray 1 (125-sheet)



tray 1 (125-sheet)



tray 2 (250-sheet)



tray 1 (125-sheet)



tray 2 (250-sheet)



tray 1 (125-sheet)



tray 2 (250-sheet)



tray 3 (500-sheet)



optional tray 2 (250 sheet)



optional tray 3 (500-sheet)



optional tray 3 (500-sheet)



optional tray 3 (500-sheet)

Note Because tray 2 and tray 3 are not included with all models, they are referred to as optional tra y 2

and optional tray 3 in this documentation.
Optional tray 2 must be installed in order to install optional tray 3.

By default, the printer draws first from tray 1. If tray 1 is empty , the printer draws first from
optional tray 3 (if installed) and then from optional tray 2.

EN 2 Installation and operation 35

Supported print media

The media sizes and types that are supported by the input trays are described in table 13. For
more detailed information, see “Media specifications” in chapter 1.

CAUTION Load only paper in optional tr a y 2 or optional tray3. Other types of print media, such as labels or

transparencies, might jam if printed from optional tray 2 or optional tray 3.

For information about loading input trays, see “Loading media” on page 38.

Table 13. Supported sizes and types of print media

Tray Supported media type Supported media size

Tray 1
(multipurpose)

Optional tray 2 (250
sheet)

Optional tray 3 (500­sheet)



various types and weights of paper
(within the size and weight
limitations)



envelopes (up to 10)



labels



transparencies

NOTE: HP LaserJet 2500 series

printers do not print in color on
transparencies.



custom-sized print media or
cardstock



postcards



various types and weights of paper
(within the size and weight
limitations)



letterhead



prepunched paper



preprinted forms



various types and weights of paper
(within the size and weight
limitations)



A4



letter



from 76 by 127 mm (3 by 5 inches)
to a legal-size sheet of 216 by 356
mm (8.5 by 14 inches)



from 60 to 177 g/m2 (16 to 47 lb)



from 60 to 105 g/m2 (16 to 28 lb)



A4



A5



B5 (ISO and JIS)



letter



legal



executive



8.5 by 13 inches

2

from 60 to 105 g/m

(16 to 28 lb)

36 Installation and operation C9706-90926

Printer output paths

T

Top output bin

Printed media is collected in the top output bin when the rear output door is closed . Use the top
output bin when printing most jobs, including documents on average-weight pa per, letterhead,
and transparencies.

The top output bin can hold up to 150 sheets. Prevent more than 150 sheets from accumulating
in the top output bin, or jams can occur.

Rear output door

Print jobs emerge from the back of the printer when the rear output door is open. Use the rear
output door (straight-through paper path) when printing envelopes, labels, heavy- or lightweight
paper, and other thick or special print media (except transparencies). Remove each sheet as it
exits the printer.

op output bin

Rear output door

Figure 7. Printer output paths

EN 2 Installation and operation 37

Loading media

Load special print media such as envelopes, labels, custom-size media, and transparencies in
tray 1 only. Load only paper in optional tray 2 or optional tray 3.

1

2

3

4

Loading tray 1

Tray 1 (multipurpose tray) holds up to 125 sheets of paper or other print
media, or up to 10 envelopes.

For information about loading special print media such as labels and
transparencies, see the HP Color LaserJet 2500 Series Printer User
Guide.

To load tray 1

CAUTION

Avoid adding print media to tray 1 while the printer is printing, or jams
can occur.

1 Open tray 1.
2 Slide out the tra y extender. If the print media being loa de d is longer

than 229 mm (9 inches), also open the additional tray extender.

3 Slide the width guides slightly wider than the print media.
4 Place print media into the tra y with the side t o be printed up , and the

top, short edge in first.

Note

If you are manually duplexing, see the user guide for loading
instructions.

5

6

5 Slide the paper width guides inward until they lightly touch the print

media stack on both sides without bending it. Make sure the print
media fits under the tabs on the width guides.

CAUTION

If you choose to close tray 1, first wait for the printer to finish printing.
Closing the tray before printing is complete can cause jams.

6 On the back of the printer, lower the rear output door if you are

printing on special media, such as labels, envelopes, or heavy or
light paper, to prevent curl.

38 Installation and operation C9706-90926

1

2

3

Loading optional tray 2

Optional tray 2 supports standard-size paper only, including average­weight letterhead and prepunched paper. For additional information
about letterhead and prepunched paper, see the HP Color LaserJet
2500 Series Printer User Guide.

CAUTION

Print special print media such as labels and transparencies from tray 1
only. Printing special print media from optional tray 2 or optional tray 3
can cause jams.

To load optional tray 2

1 Pull optional tray 2 out of the printer and remove any paper.
2 Move the side width guides to match the size of paper you are

loading.

3 Extend the rear of the tray until the arrow points to the size you are

loading.

4 Load the paper. If this is special paper such as letterhead, load it

with the side to be printed fa cin g d own and the top edge toward t he
front of the tray.

4

5

6

Note

If you are manually duplexing, see the user guide for loading
instructions.

5 Make sure the stack of paper is flat in the tray at all four corners,

and keep it below the height tabs on the paper length guide in the
rear of the tra y. Push down on the metal paper lift pl ate to loc k it in to
place.

6 Slide the tray back into the printer. If you set the rear of the tray to

one of the longer sizes, the back of the tray will protrude from the
back of the printer.

EN 2 Installation and operation 39

1

Loading optional tray 3

The optional tray 3 supports A4- and letter-size paper. Optional tray 3
supports only paper, which includes average-weight letterhead and
prepunched paper.

For additional information about letterhead and prepunched paper, see
the user guide.

2

3

4

5

CAUTION

Print special print media such as labels an d transpar e ncie s from tray 1
only. Printing special print media from optional tray 2 or optional tray 3
can cause jams.

To load optional tray 3

1 Pull the tray out of the printer and remove any paper.
2 For letter-size paper , pull the rear stop up. For A4-size paper, push

the rear stop down.

3 For letter-size paper, move the side width guides outward as far as

possible. For A4-size paper, move the side width guides inward as
far as possible.

4 Load the paper. If this is special paper such as letterhead, load it

with the side to be printed facing down and the top edge toward the
front of the tray.

Note

If you are manually duplexing, see the HP Color LaserJet 2500 Series
Printer User Guide for loading instructions.

5 Make sure the stack of paper is flat in the tray at all four corners,

and keep it below the height tabs o n the length guide in the rear of
the tray.

6 Slide the tray back into the printer.

6

40 Installation and operation C9706-90926

Using the embedded Web server

When the printer is directly connected to a computer, the embedded Web server (EWS) is
supported for Microsoft® Windows® 95, 98, NT® 4.0, Millennium Edition (Me), 2000, and XP.
When the printer is connected to the network, the embedded Web server is supported for
Windows 95, Mac OS 8.6 and later, UNIX®, Linux, and OS/2.

Use the embedded Web server to view printer and network status and to manage printing
functions from your computer instead of at the printer control panel. The following are examples
of what you can do using the embedded Web server:



view printer status information



view and print internal pages



determine the remaining life of HP supplies and order new ones



receive notification of printer and HP supplies events (network only)



set paper-type



view and change tray configurations



view and change the printer control panel menu configuration



view and change network configuration (network only)

To use the embedded Web server, you must have Microsoft Internet Explorer 4.5 or later or
Netscape Navigator 4.6 or later. The embedded Web server works when the printer is directly
connected to a computer or connected to an IP-base d network. The embedded W eb server does
not support IPX- or AppleTalk-based printer connections.

You do not have to ha ve Internet access to open and use the embedded W eb server. However, if
you click a link in the Other Links area, you must have Internet access in order to go to the site
associated with the link.

To open the embedded Web server

1 Open the embedded W eb server by using one of these methods:

• From the HP Color LaserJet 2500 Series Toolbox, click the picture of the printer on the
Device tab (Windows 98, NT 4.0, Me, 2000, and XP only).

• For networked printers only, type the IP address for the printer. To find the IP address,
print a Configuration page at the printer control panel by pressing (Go) and

(Cancel Job) simultaneously.

Note When you open the URL, you can bookmark it so that you can return to it quickly in the future.

2 The embedded Web server has three tabs that contain settings and information about the

printer: the Information tab, the Settings tab, and, if the printer is connected to a network,
the Networking tab. Click the tab that you want to view.

3 See the following sections for more information about each tab.

EN 2 Installation and operation 41

Information tab

The Information tab contains the following pages.



Device Status. This page shows the printer status and the life remaining of HP supplies,
with 0 percent indicating that a supply is empty. The page also shows the type and size of
print media set for each tray. To change the default settings, click Change Settings.



Configuration page. This page shows the information found on the printer Configuration
page.



Supplies Status. This page shows the life remaining for HP supplies, with 0 percent
indicating that a supply is empty. This page also provides supplies part numbers. To order
new supplies, click Order Supplies in the Other Links area on the left side of the window.
To visit any website, you must have Internet access.



Event log. This page shows a list of all printer events and errors.



Usage page. This page shows a summary of the number of pages the printer has printed,
grouped by size and type.



Device Information. This page shows the printer network name, address, and model
information. To change these entries, click Device Information on the Settings tab.

Settings tab

Use the Settings tab to configure the printer from your computer. The Settings tab can be
password protected. If this printer is networked, always consult wit h the printer administrator
before changing settings on this tab.

The Settings tab contains the following pages.



Configure Device. Configure all printer settings from this page. This page contains the
traditional menus found on printers using a control panel display. These menus include
Information, Paper Handling, Configure Device, and Diagnostics.



Alerts (Network only). Set up to receive e-mail alerts for various printer events.



Email (Network only). Used in conjunction with the Alerts page to set up incoming and
outgoing e-mail, as well as to set e-mail alerts.



Security. Set a password that must be typed to gain access to the Settings and
Networking tabs. Enable and disable certain features of the EWS.



Other Links. Add or customize a link to another website. This link appears in the Other
Links area on all embedded Web server page s. These permanent links alwa ys appear in the
Other Links area: HP Instant Support™, Order Supplies, and Product Support. For

more information, see “Other links” on page 43.



Device Information. Name the printer and assign an asset number to it. Type the name and
e-mail address for the primary contact who will receive information about the printer.



Language. Determine the language in which to show the embedded Web server
information.

Networking tab

The network administrator uses the Netw orking tab to control network-related settings for the
printer when it is connected to an IP-based network. This tab will not appear if the printer is
directly connected to a computer, or if the printer is connected to a network with anything other
than an HP Jetdirect print server card.

42 Installation and operation C9706-90926

Other links

This section contains links that connect you to the Internet. You must have Internet access in
order to use any of these links . If yo u use a dial-up con nection and did not connect when y ou first
opened the embedded Web server, you m ust connect before you can visit these websites.
Connecting might require that you close the embedded Web server and reopen it.



HP Instant Support™. Connects you to the HP website to help you find solutions. This
service analyzes your printer error log and configuration information to provide diagnostic
and support information specific to your printer.



Order Supplies. Click this link to connect to the HP we bsite and order genuine HP supplies ,
such as print cartridges, an imaging drum, and paper.



Product Support. Connects to the support site for the HP Color LaserJet 2500 printer.
Then, you can search f or help regarding general topics.

EN 2 Installation and operation 43

Using printer status and alerts

Printer Status and Alerts is only supported for Windows 98, NT 4.0, ME, 2000, and XP.
The Printer Status and Alerts software is available to users of both networked and directly

connected printers. Use this software to view the embedded Web server information for a
particular printer. The software also generates messages on the computer regarding the status
of the printer and print jobs. Depending on ho w the printer is connected, y ou can receiv e diff erent
messages.



Networked printers. You can receive regular job status messages that appear e very time a
print job is sent to the printer or e very time the print job finishe s printing. You can also receive
alert messages when two types of problems occur:

• The printer is experiencing a problem, but it can contin u e to print (for example, a tray that
is not being used is out of print media or is open, or a print cartridge is low).

• The printer is experiencing a problem that prevents if from printing (for example, the
printer is out of paper, or a print cartridge is empty).



Directly connected printers. You can receive alert messages that appear when the printer
experiences a problem. You can also receive messages only when supplie s ar e low.

You can set alerts options for a single printer that supports Printer Status and Alerts, or you can
set alert options for all printers that support Printer Status and Alerts. For networked printers,
these alerts only ap p ea r for your jobs.

Note Even if you are setting alert options for all printers, not all options you select can apply to all

printers. For e x ample , if y ou select t he option for notifying you when the print cartridges are low,
then all directly connected printers that support Printer Status and Alerts will generate a message
when the print cartridges are low. However, none of the networked printers will generate this
message, nor will directly connected printers that do not support Printer Status and Alerts.

To choose which status messages appear

1 Open Printer Status and Alerts in one of these ways:

• Double-click the Printer Status and Alerts tray icon, which is near the clock in the Tray
Manager.

• On the Start menu, point to Programs, point to Printer Status and Alerts, and click
Printer Status and Alerts.

2 Click the Options icon in the left pane.
3 In the For field, select the printer driver for this printer, or select All Printers.
4 Clear the options f or the messages you do not want to appear, and select the options for t he

messages you do want to appear.

5 Under Status Check Rate, select how frequently you want the software to update the printer

status information that the software uses to generate the messages. Status Check Rate
might not be available if the printer administrator has restricted the rights to this function.

To view status messages and information

On the left side of the window, select the printer for which you want to see information.
Information provided includes status messages, supplies status, and printer capabilities. You can
also click the Job History (clock) icon at the top of the window to view a list of previous jobs sent
to the printer from your computer.

44 Installation and operation C9706-90926

3 Maintenance

Life expectancies of supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Replacing the pickup roller and separation pad . . . . . . . . . . . . . . . . . . . . 47

Replacing the separation pad in tray 2 or in optional tray 3 . . . . . . . . . . . 51

Cleaning the printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Cleaning the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Calibrating the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Managing supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Supplies life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Checking and ordering supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Storing supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Replacing and recycling supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

HP policy on non-HP supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

HP fraud hotline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

EN 3 Maintenance 45

Life expectancies of supplies

Inspect supplies when you service the printer. Replace supplies as needed, based on failure or
wear, rather than on usage.

The following table lists approximate schedules for replacing supplies.

Table 14. Life expectancies of supplies

Description Part number

Print cartridge, black (user
replaceable)

Print cartridge, cyan (user
replaceable)

Print cartridge, yellow (user
replaceable)

Print cartridge, magenta
(user replaceable)

Imaging drum C9704A 20,000 (black only)

Printer transfer roller RF5-4040-000CN Can affect print quality and/

Printer pickup roller RB3-0160-000CN Look for glazing and/or

Printer separation pad RF5-4012-000CN Can affect document

Fuser assembly
(100 to 127 V)

Fuser assembly
(220 to 240 V)

Optional tray 2 separation
pad

Optional tray 3 separation
pad

* The estimated toner cartridge life is based on letter- or A4-sized paper with an average of five percent toner cover age
and a medium density setting. Print cartridge life can be extended further by conserving toner by using draft-mode
settings.

C9700A 5,000 When print becomes faint,

C9701A 4,000

C9702A 4,000

C9703A 4,000

RG5-6903-000CN Can affect print quality and

RG5-6913-000CN Can affect print quality and

RB2-9960-000CN Can affect document

RG5-6899-000CN Can affect document

Estimated life (in
number of pages at
5% coverage*) Remarks

redistribute toner in the
cartridge by gently shaking
the cartridge from side to
side.

5,000 (color)
The average life is 6,000 to
8,000 pages.

or paper movement.

cracks.

movement.

paper movement.

paper movement.

movement.

movement.

46 Maintenance C9706-90926

User-replaceable parts

1

2

‘

Replacing the pickup roller and separation pad

1 Turn the printer off and disconnect the power cable from the bac k o f

the printer.

2 Open tray 1.
3 Find the face plate cover that is located beneath the pickup roller in

tray 1.

4 Grasp both sides of the center tab and pull the cover out of the

printer.

5 Squeeze the tab on th e idler roller t hat is located o n the right side of

the pickup roller. If the tab is not visible, rotate the idler roll er so that
the tab is toward the front of the printer.

3

4

5

EN 3 Maintenance 47

6

6 Slide the idler roller to the right to separate it from the pickup roller.
7 Squeeze the tab on the idler roller that is located on the left side of

the pickup roller. If the tab is not visible, rotate the idler roller so that
the tab is toward the front of the printer.

8 Slide the idler roller to the left to separate it from the pickup roller.
9 Press and hold the button that is located on the right side of the

pickup roller . Slide the pic kup rolle r slightly to the right, and then pull
it off of the shaft.

7

CAUTION

To prevent the shaft retaining pin from falling out, do not mov e the
remaining hub that is located to the left of the pickup roller.

10 Locate th e separ ati on pad ben eath the area o f the shaft fr om which

the pickup roller was removed.

8

9

10

48 Maintenance C9706-90926

11

12

11 Insert a flatbl ade screw driver int o the slot under t he separat ion pad.

Pry the pad up from the spring-loaded base by twisting the
screwdriver until the tabs are sep arated from the printer.

12 Use one ha nd to push the spring-loaded base down and then use

the other hand to pull the separation pad up and out of the printer.

Note

If you feel resistance when you try to remove the pad, make sure that
the tabs are completely separated from the printer.

13 Push the spring-loa ded base do wn an d positio n the ne w separ atio n

pad in the empty slot.

Note

Make sure that the two tabs on the edge of the pad are toward the fron t
of the printer.

13

14

15

14 Snap both sides of the separation pad firmly into place until they

click.

CAUTION

If the pad is not straight, or if space exists between the pad and the
base, make sure that th e tabs on the pad are toward the fron t of the
printer.

15 Hold do wn the new sepa ration pad. P osition the new pic kup roller so

that the button is on the right side, and the open side of the roller
faces down. Make sure that the small ridge on the open side of the
roller aligns with the groove in the shaft.

EN 3 Maintenance 49

16

17

18

16 Slide the left and right idler rollers inward, against the pickup roller,

until the idler rollers click into place.

17 Hold the faceplate cover as shown in the illustration, and align the

cover with the rails on the inside of the printer.

18 Grasp both sides of the center tab and insert the cover into the

printer until the cover clicks into place. Close tray 1.

50 Maintenance C9706-90926

1

Replacing the separation pad in tray 2 or in optional tray 3

1 Remove the tray from the printer and place it on a flat surface.

Remove any paper from the tray.

2 Locate the separation pad in the base at the inside-f ront edge of t he

tray.

3 Press the large metal plate at the bottom of the tray down. Insert a

flatblade screwdriv er in t he slots on each sid e of the b ase and push

2

3

the tabs out of the slots. Note: In a 250-sheet tray, the plate locks
down; in a 500-sheet tray, you have to hold the plate do wn man ually.

4 Pull the separation pad up and out of the tray.
5 Use one hand to position the new separation pad above the empty

base. Align the grooves on the sides of the pad with the sides of the
base, and then slide the pad down until the tabs snap into the slots
on the base.

4

5

EN 3 Maintenance 51

6

6 Reload any print media that you removed, and then slide the tray

into the printer.

7 Reconnect the power cable. Turn the printer on.
8 When the green Ready light is on, press G

which verifies that the printer works and that installation is complete.

9 If the page does not print, or to find additional help, go to

http://www.hp.com/support/clj2500

Note

7

If the page does not print, reconnect the power cable. Make sure that
the Ready light is on and that no other lights are on or blinking. Make
sure that print media is loaded and that all parts are installed correctly.

.

O to print a Demo page,

8

52 Maintenance C9706-90926

Cleaning the printer

Cleaning the engine

During the printing process, paper, toner, and dust particles can accumulate inside the printer.
Over time, this buildup can cause print-quality problems such as toner specks or smearing. Use
a cleaning page to correct and prevent these types of problems.

Figure 8. Toner specks and smearing

To use a cleaning page

Note The following procedure must be performed from the HP Color LaserJet 2500 Series Toolbox,

which is supported for Windows 98, NT 4.0, Me, 2000, and XP. To clean the engine when the
computer is running a different supported operating system, see the Readme on the software
CD-ROM, or visit http://www.hp.com/support/clj2500.

1 Make sure the printer is turned on and in the Ready state.
2 Open the HP Color LaserJet 2500 Series Toolbox.
3 On the Troubleshooting tab, click Cleaning Page and click Print. A page with a pattern

prints from the printer.

4 At the printer, remove any media from tray 1 (multipurpose tray).
5 Remove the page that printed and load it face-down int o tray 1 (see figure 9).

Figure 9. Loading the cleaning page in tray 1

6 At the computer, click Clean.

Note For even better results, repeat this procedure several times.

EN 3 Maintenance 53

Calibrating the printer

The printer automatically performs a calibration when the imaging drum or a print cartridge is
changed, and at set intervals determined by the total n umber of pages the printer has printed.
You can change the interval at which the printer performs automatic calibrations by using the
embedded Web server.

You can also calibrate the printer manually when you clean the density sensor or when you
experience color-related issues.

To calibrate the printer manually

Turn the printer off, wait one minute, and then turn the printer on again.

To calibrate the printer from the HP Color LaserJet 2500 Series Toolbox

Note The following procedure must be performed from the HP Color LaserJet 2500 Series Toolbox,

which is only supported for Windows 98, NT 4.0, Me, 2000, and XP. To clean the engine when
the computer is running a different supported operating system, see the Readme file on the
software CD-ROM, or visit http://www.hp.com/support/clj2500.

1 Open the HP Color LaserJet 2500 Series Toolbox in one of these ways:

• On the desktop, double-click the HP Color LaserJet 2500 Series Toolbox icon.

• On the Start menu, point to Programs, point to HP Col or LaserJet 2500, and select the

HP Color LaserJet 2500 Series Toolbox.
2 On the Troubleshooting tab, click Diagnostic Tools (on the left side of the screen).
3 Click Calibrate Now.

54 Maintenance C9706-90926

Managing supplies

For warranty information about these supplies, see “Limited warranty for the print cartridge and
drum” on page 24.

Supplies life

The life of the imaging drum depends on the number of black-only or color pages that print jobs
require. An HP Color LaserJet 2500 series imaging drum lasts an aver age of 20,000 pages whe n
printing black-only pages an d 5,000 pages when printing color pages . Actual life lies somewhere
between these two numbers, depending on the number of black-only pages you print versus
color. The average life is between 6,000 and 8,000 pages.

The life of a print cartridge depends on the amount of toner that print jobs require . When printing
text at five-percent coverage, an HP Color LaserJet 2500 series cyan, magenta, or yellow print
cartridge lasts an average of 4,000 pages, and a black print cartridge lasts an average of 5,000
pages.

Checking and ordering supplies

You can check the supplies status by using the printer control panel, printing a Supplies Status
page, viewing the embedded Web server, viewing Printer Status and Alerts, or viewing
HP Web Jetadmin. Hewlett-Packard recomm ends that y ou place an ord er f or a replacement print
cartridge when you first receive the Low message for a print cartridge. The Low message
indicates that approximately two weeks of life remain. When you use a new, authentic HP print
cartr idg e or imag in g drum, you can obtain the following types of supplies information:



amount of cartridge or drum life remaining



estimated number of pages that can be printed



number of pages printed



other supplies information

Note If the printer is connected to the network, you can set the embedded W eb server to no tify y ou b y

e-mail when a print cartridge or the imaging drum is low. If the printer is directly connected to a
computer, you can set Printer Status and Alerts to notify you when supplies are low.

To check status and order supplies at the control panel

Do one of the following:



Check the supplies status lights on the printer control panel. These lights indicate when a
print cartridge or the imaging drum is low or empty. The lights also indicate when a non-HP
print cartridge is first installed. See “Understanding supplies status” on page 33 to interpret
the light patterns.



Press (GO) and (CANCEL JOB) simultaneously. A Supplies Status page (and the
Configuration page and, possib ly, the HP Jetdirect page) prints. Check the supplies lev els on
the Supplies Status page. See the HP Color LaserJet 2500 Series Printer User Guide for
more information.

If the supplies lev els are low, y ou can orde r supplies thro ugh your local HP dealer, by telephone,
or online. See chapter 7 for part numbers. See http://www.hp.com/go/ljsupplies

to order online.

EN 3 Maintenance 55

To check status and order supplies using the embedded Web server

1 Open the HP Color LaserJet 2500 Series Toolbox and then click the Information tab.
2 Click Device Status (on the left side of the window) and then click Supplies Status to see

more information, such as part numbers.

3 If the print cartridges are low or empty, you can click Order Supplies in the Other Links

area. This opens a browser and connects y ou to the Supplies section of the HP websit e. You
must have Internet access to connect to the website.

Note You can also click the Order Supplies link from the HP Color LaserJet 2500 Series Toolbo x. You

must have Internet access to connect to the website.

To check status and order supplies using Printer Status and Alerts

If the printer is directly connected to the computer , y ou can set Printer Status and Alerts to notify
you when the supplies are lo w. On both directly connected and network printers, you can re ceiv e
these messages if you choose to receiv e alerts about e vents that do not prev ent th e printer fro m
printing (a print cartridge is low) or that actually prev ent the printer f rom printing (a print cartridge
is empty). After receiving a message, click Order Supplies Online in Printer Status and Alerts to
connect to the Supplies section of the HP website. You must have Internet access to con nect to
the website.

To check status and order supplies using HP Web Jetadmin

In HP Web Jetadmin, select the printer device. The device status page shows supplies
information. To order, use the HP Color LaserJet 2500 Series Toolbox or the embedded Web
server, or see chapt er 7.

Storing supplies

Follow these guide lines for storing print cartridges and the imaging drum:



Do not remove the print cartridge or imaging drum from its package until you are ready to
use it.

CAUTION T o prev ent damage, do not e xpose the print cartridge or imaging drum to light for more than a f ew

minutes.



See table 5, “Environmental specifications,” on page 19 for operating- and storage­temperature ranges.



Store the supply in a horizontal position.



Store the supply in a dark, dry location away from heat and magnetic sources.

Replacing and recycling supplies

To install a new HP print cartridge or imaging drum and recycle the used one, follow the
instructions included in the box that contain s the new supply, or see the HP Color LaserJet 2500
Series Printer Getting Started Guide. See the HP Color LaserJet 2500 Series Printer User Guide
for more information about recycling.

56 Maintenance C9706-90926

HP policy on non-HP supplies

Hewlett-Packard Company cannot recommend the use of non-HP supplies, either new or
remanufactured. Because they are not HP products, HP cannot influence their design or control
their quality. Service or repairs required as a result of using a non-HP supply will not be covered
under the printer warranty.

When you insert a supply into the printer, the printer will inform you if the supply is not a gen uine
HP supply. If you insert a genuine HP supply that has reached the low state from another HP
printer, the printer identifies the supply as non-HP. Simply return the supply to the original printer
to reactivate HP features and functionality.

Resetting the printer for non-HP supplies

When you install a non-HP print cartridge or imaging drum, the light next to the print cartridge or
imaging drum you replaced blinks and t he Attention lig ht is on. You must press (C
the first time you install this non-HP supply. The status lights will not indicate when this type of
supply is low or empty.

CAUTION The printer will not stop printing when a non-HP supply is empty . Printer damage can occur if the

printer attempts to print with an empty print cartridge or imaging drum. See “Warranty information”
on page 23.

ANCEL JOB)

HP fraud hotline

Call the HP fraud hotline if the supplies st atus lights, the embedded Web server, or HP Status
and Alerts indicates that the print cartridge or imaging drum is not an HP product and you think
that it is genuine. Hewlett-P ackard will help determine if the product is genuine and take steps to
resolve the problem.

Your print cartridge or imaging drum might not be a genuine HP product if you notice the
following issues:



You are experiencing a high number of problems with the print cartridge or imaging drum.



The print cartridge or imaging drum does not look like an HP product usually does (for
example, the pull tab or the box is different) .

In the United States, call toll-free: (1) [phone].
Outside the United States, y ou can call collect. Dial the operat or and ask to place a collect call to

this telephone number: (1) [phone]. If you do not speak English, a representative at the
HP fraud hotline who speaks your language will assist you. Or, if someone who speaks your
language is not available , a language line interpreter will connect approximately one minute after
the beginning of the call. The language line interpreter is a service th at transla te s be twee n you
and the representative for the HP fraud hotline.

EN 3 Maintenance 57

58 Maintenance C9706-90926

4 Theory of operation

Chapter contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Engine control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Basic sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Power-on sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Motors and fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Laser/scanner system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Pickup and feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Paper trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Jam detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Photosensors and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Solenoid and clutches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Printed circuit assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Image formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Image formation process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Latent image formation stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Developing stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Transfer stage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Fusing stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Print cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Imaging-drum E-label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

EN 4 Theory of operation 59

Introduction

This chapter presents an overview of the relationships between major components in the HP
Color LaserJet 2500 series printer, and includes a detailed discussion of the image-formation
system. The following syst ems are discussed:



engine control system



laser/scanner system



pickup and feed system



image-formation system

1 2 3 4 5

6
7
8

23

22

2021

Figure 10. Cross-section of the printer

1 Laser/scanner 9 Transfer belt cleaning roller 17 Feed belt

9

10
11

12
13

141516171819

2 Developing cylinder 10 Registration shutter 18 Carousel
3 Photosensitive drum 11 Pickup roller 19 Print cartridge
4 Primary charging roller 12 Tray 1 20 F using film
5 Imaging drum 13 Separation pad 21 Pressure roller
6 Transfer belt 14 Re gistration roller 22 Fuser delivery roller
7 Density sensor 15 Secondary transfer roller 23 Top output bin delivery roller
8 Primary transfer roller 16 Auxiliary transfer-belt cleaning roller

60 Theory of operation C9706-90926

Engine control system

The engine control system coordinates all printer functions. It drives the laser/scanner system,
the image formation system, and the pickup and feed system.

The engine control system contains the following components:



dc controller



high-voltage power-supply PCB



low-voltage power unit:

• fuser-control circuit

• low-voltage power-supp ly PCB

Figure 11. Engine control system (includes the basic configuration of the printer)

EN 4 Theory of operation 61

Basic sequence of operation

Operation sequences are controlled by the CPU in the dc controller in the engine control system.
Table describes engine operations for each period of a print operation.

Table 15. Basic sequence of operation

Period Duration Purpose Remarks

WAIT
(wait)

STBY
(standby)

INTR
(initial
rotation)

PRINT
(print)

LSTR
(last rotation)

From the time the power
switch is turned on until
transfer-belt cleaning is
complete.

From the end of the W AIT or
LSTR period until either a
print command is sent from
the formatter or the power is
turned off.

From the time of the print
command until detection of
the HP1 (transfer-belt home­position detection) signal for
the first color.

From the end of the INTR
period until detection of the
transfer-belt home-position
signal for the secondary
transfer.

From the end of the PRINT
period until the main motor
stops rotating.

Clears potential from the
drum surface and cleans the
transfer belt.

Allows the printer to be
ready for print commands.

Prepares the photosensitive
drum for printing.

Forms the image on the
photosensitive drum and
transfers the toner image to
the transfer belt.

T ransf ers the toner image on
the transfer belt to the media
and delivers the printed
media.

See figure 12 for a complete
description of the WAIT
(power-on) period. Also see
the general timing charts
beginning on page 212 for
detailed information about
timing.

After LSTR, the printer
returns to STBY.

62 Theory of operation C9706-90926

Power-on sequence

The power-on sequence is represented by the flowchart in figure 12.

Figure 12. Power-on sequence

EN 4 Theory of operation 63

Motors and fans

1

2 3

4

5

6

Figure 13. Motors and fans

Table 16. Motors and fans

Reference Description

1 Engaging motor
2 Developing-rotary motor
3 Toner-cartridge motor
4 Fuser motor
5 Main motor
6 Cooling fan

64 Theory of operation C9706-90926

Laser/scanner system

The laser/scanner system receives video signals from the dc controller, and then it converts the
signals into latent images on the photosensitive drum. The dc controller controls the laser/
scanner.

Figure 14. Laser/scanner system

EN 4 Theory of operation 65

Pickup and feed system

The pickup and feed system consists of several types of feed rollers and sensors. The dc
controller drives the paper and feed system by controlling two motors, two clutches, and the
solenoid.

Two photo-interrupters (PS1 and PS711) detect media as it passes. If media does not reach or
pass each sensor within the specified time period, the dc controller determines that a jam has
occurred and alerts the video controller circuit.

The following components are identified in figure 15:



PS1 fusing-delivery paper sensor



PS711 registration paper sensor



PS718 tray 1 (multipurpose tray) paper sensor



DCM701 main motor



PM702 fuser motor



SL92 tray 1 pickup solenoid



CL1 registration clutch



CL2 roller-engaging clutch

Figure 15. Pickup and feed system

66 Theory of operation C9706-90926

Paper trays

The dc controller drives the operation sequence of the paper trays. It signals the driver PCB in
tray 2 (250-sheet paper tray) and in tray 3 (250-sheet paper tray), and then each driver PCB
controls the motors and solenoids in its paper tray.

The following components are identified in figure 16:



DCM701 gear-train motor (printer)



SL9 pickup solenoid (optional tray 2)



PS716 paper sensor (optional tray 2)



PS717 paper-feed sensor

Note Only tray 2 (250-sheet tray) is shown; tray 3 (500-sheet tray) is similar.

Figure 16. Optional tray 2 (250-sheet paper tray)

EN 4 Theory of operation 67

Jam detection

The registration sensor (PS711) and the fusing paper sensor (PS1) detect media moving
through the printer. If a jam is detected, the dc controller immediately stops the printing process
and sends a message to the video controller circuit.

A jam can be detected under any of the following conditions:



Pickup delay jam. The leading edge of the paper does not reach the registrat ion sensor
(PS711) within 1.1 seconds (tray 1), 1.7 seconds (optional tray 2), or 2.8 seconds (optional
tray 3).



Pickup stationary jam. The registration clutch is on, and the registration sensor (PS711)
does not detect the trailing edge of the paper within 3.4 seconds after the start of a re-pickup
operation.



Delivery delay jam. The registration clu tch is o n, an d the f usin g- delivery paper sensor (PS1)
does not detect the leading edge of the paper within 2.3 seconds after the start of a re­pickup operation.



Delivery stationary jam. The leading edge of paper does not pass the fusing-delivery paper
sensor (PS1) within 2.4 seconds after it has passed the registration sensor (PS711).



Door open jam. The main CPU detects that the top cover is open during a print operation.



Residual paper jam. The main CPU detects one or more of the following conditions:

• Power is turned on.

• The printer is returning from sleep mode.

• The printer door is closed after a jam occurrence.

• The registration sensor (PS711) and fusing-delivery sensor (PS1) detect paper.

68 Theory of operation C9706-90926

Photosensors and switches

2

1

Figure 17. Photosensors and switches

6

3

4

5

7

Figure 18. Photosensors and switches

Table 17. Photosensors and switches

Reference Description

1 Tray 1 sensor
2 Roller-engaging sensor
3 Developing-rotary-engaging sensor
4 Fuser-delivery sensor
5 Front fuser detection sensor
6 Door-open detection switch
7 Power switch

EN 4 Theory of operation 69

Solenoid and clutches

Figure 19. Solenoid and clutches

1

2

3

4

Figure 20. Solenoid and clutches

Table 18. Solenoid and clutches

Reference Description

1 Developing-rotary-stopper solenoid
2 Tray 1 pickup solenoid
3 Roller-engaging clutch
4 Registration clutch

70 Theory of operation C9706-90926

Printed circuit assemblies

1

Figure 21. Printed circuit assemblies

2 3

7

4

5

8

6

Figure 22. Printed circuit assemblies

Table 19. Printed circuit assemblies

Reference Description

1 Developing-rotary/toner-level detection PCA
2 Transfer-belt home-position detection PCA
3 Density-detection PCA
4 Waste-toner-detection PCA
5 Registration-detection PCA
6 Dc controller
7 Sub high-voltage power-supply PCA
8 High-voltage power-supply PCA
9 Power supply

9

EN 4 Theory of operation 71

Image formation system

The image formation system, which forms a toner image on media, consists of several
interdependent systems:



electrostatic latent-image-formation system



developing system



transfe r block



fuser



ITB cleaning bloc k



imaging drum (with ITB)



photosensitive drum

Figure 23. Image formation system

72 Theory of operation C9706-90926

Image formation process

Laser printing requires the interaction of several different technologies including electronics,
optics, and electrophotographics to provide a printed page. Each process functions
independently and must be coordinated with the other printer pr ocesses. Image formation
consists of the following five processes:

1 Latent-image formation
2 Developing
3 Image transfer
4 Fusing
5 Transfer-belt cleaning

The five processes are divided into twelve steps, which are shown in figure 24 and described in
the following sections.

Figure 24. Image formation process

EN 4 Theory of operation 73

Latent image formation stage

Step 1: primary charging

A dc bias is applied to the primary charging roller, which tr ansfers a uniform negative potential t o
the photosensitive drum.

Figure 25. Step 1: primary charging

Step 2: laser-beam exposure

The laser beam scans the photosensitive drum to neutralize negative charges on parts of the
drum. An electrostatic latent image is formed on the drum where negative charges were
neutralized.

Figure 26. Step 2: laser-beam exposure

74 Theory of operation C9706-90926

Developing stage

The developing cylinder comes in contact with the photosensitive drum to deposit toner ont o th e
electrostatic latent image.

Note The charges on the exposed area on the drum are shown as positive in figure 27. The charg es

are actually negative, but they are more positive than the charges on the developing cylinder.

Figure 27. Developing block

Step 3: developing

Toner acquires a negative charge through friction from the developing cylinder and the blade.
When the negatively charged toner comes in contact with the drum, the toner adheres to the
electrostatic latent image. The image on the drum becomes visible because of the toner.

Figure 28. Step 3: developing

EN 4 Theory of operation 75

Transfer stage

Step 4: primary transfer

The primary transfer roller , to which a dc positiv e bias is applied, imparts a positive charge on the
transfer belt. The negatively-charged toner on the drum is transferred to the positively-charged
transfer belt. This procedure is repeated for each color (yellow, magenta, cyan, and black).

The dc positive bias is increased for each successive color to make sure that all of the colors
adhere to the transfer belt.

Figure 29. Step 4: primary trans fer

76 Theory of operation C9706-90926

Step 5: secondary transfer

The secondary transfer roller, to which a dc positive bias is applied, imparts a positive charge to
the print media. When the print media comes in contact with the transfer belt, the toner is
transferred to the print media.

Note When secondary transfer is complete, a dc negative bias is applied to the secondary transfer

roller to prevent toner on the transfer belt from adhering to the secondary transfer roller.

Figure 30. Step 5: secondary transfer

Step 6: separation

The elasticity of the print media causes its separation from the transfer belt. A static charge
eliminator aids separation by weakening any electrostatic adhesion.

Figure 31. Step 6: separation

EN 4 Theory of operation 77

Fusing stage

Step 7: fusing

The dc negative bias applied to the fusing film strengthens the holding force of the toner on the
print media and prevents the toner from scattering.

Figure 32. Step 7: fusing

Step 8: roller charging (auxiliary ITB cleaning roller)

During secondary transfer, not all of the toner on the transfer belt is transferred to the print
media. Toner that remains on the belt is called “residual toner.”

The auxiliary transfer belt cleaning roller, to which a dc positiv e bias is applied, imparts a positive
charge to the residual toner, strengthening its hold on the transfer belt. This prevents toner from
falling off of the transfer belt, scattering in the printer.

Figure 33. Step 8: roller charging (auxiliary transfer belt cleaning roller)

78 Theory of operation C9706-90926

Step 9: roller charging (transfer belt cleaning roller)

The transfer belt cleaning roll er, to which a dc positive bias is applied, imparts a positive charge
to the residual toner on the tr ansf er b elt. This positive charge is stronger than the positive charge
applied in step 8, so the earlier charge now behaves like a negative charge.

Figure 34. Step 9: roller charging (transfer belt cleaning roller)

EN 4 Theory of operation 79

Step 10: transfer belt cleaning

A dc positive bias is applied to the transfer belt to produce a difference in potential between the
belt and the photosensitive drum. This causes the t ransfer of the residual toner to the drum.

Figure 35. Step 10: transfer belt cleaning

80 Theory of operation C9706-90926

Step 11: drum cleaning

The cleaning blade scrapes the residual toner off of the photosensitive drum, where the waste
toner screws collect and deposit the toner into the waste toner case.

Figure 36. Step 11: drum cleaning

EN 4 Theory of operation 81

Print cartridge

The printer has four print cartridges: yellow, magenta, cyan, and black. Each print cartridge
contains a dev eloping cylinder, toner-feed roller, and stirrer. The developer motor rotates these
parts, so that each print cartridge can use toner to form a visible image on the drum.

The carousel motor rotates the E-label reader, which communicates E-label information to the dc
controller.

The developing rotary/toner level detection PCB uses an LED (light emitter) and a photodiode
(light receiver) to determine the toner level in each print cartridge.

Figure 37. Print cartridge

82 Theory of operation C9706-90926

Imaging-drum E-label

The E-label is nonvolatile memory, which is built into the imaging drum and stores usage
information. When the imaging drum is installed in the printer, the E-label makes constant
contact with the E-label reader. The E-label reader sends memory information to the dc
controller, which updates the information and sends it back to the E-label.

The dc controller instructs the E-label to read information when:



the printer is turned on



the top cover is closed



a command is sent from the video controller

The dc controller instructs the E-label to write information when:



a specified period occurs during printing



a command is sent from the video controller

If the E-label reader fails to r ead or write information four times in a row, the dc controller notifies
the video controller that an abnormality exists in the imaging drum.

Figure 38. Print-cartridge E-label

EN 4 Theory of operation 83

84 Theory of operation C9706-90926

5 Removal and replacement

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Removal and replacement strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Electrostatic discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Required tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Before performing service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Pre-service procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Parts removal order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Removal and replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Imaging drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Jetdirect card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Fuser cover (and fuser) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Right- and left-side covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

On-off switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Interface cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Formatter cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Fuser motor (J702) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Dc controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Optional tray 2 (250-sheet tray) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Carousel motor (J704) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Front lower cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Top door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Air duct and fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Laser/scanner assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Front cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Density sensor and top-of-page sensor . . . . . . . . . . . . . . . . . . . . . . . . . 119

E-label reader (for imaging-drum E-labels). . . . . . . . . . . . . . . . . . . . . . . 120

Tray 1 (multipurpose tray). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Tray 1 separation pad assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Waste-toner sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Rotary-drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Top plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Print-cartridge carousel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Registration-roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

EN 5 Removal and replacement 85

Toner-catch tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Transfer-roller plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Feed-drive shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

ECU pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Sub-high-voltage transformer PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

High-voltage transformer PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Low-voltage PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Paper-top sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Fuser-wrap sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

250-sheet feeder pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

250-sheet feeder cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

250-sheet feeder PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

500-sheet feeder pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

500-sheet feeder cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

500-sheet feeder motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

86 Removal and replacement C9706-90926

Introduction

Removal and replacement strategy

This chapter documents removal and replacement of field replaceable units (FRUs) only.
Replace parts in the reverse order of th eir removal. Directions for difficult or critical replacement

procedures are included.

WARNING! The sheet-met al edges of the product can be sharp. Use caution when working on the product.

Note Note the length, diameter, color, type, and location of each screw. Be sure to return each screw

to its original location during reassembly.
Incorrectly routed or loose wire harnesses can interf ere with other internal components and ca n

become damaged or broken. Frayed or pinched harness wires can be difficult to locate. When
replacing wire harnesses, always use the provided wire loops, lance points, or wire-harness
guides.

Electrostatic discharge

CAUTION The product contains parts that are sensitive to electrostatic discharge (ESD). Always service the

product at an ESD-protected workstation, or use an ESD mat.

Watch for the ESD symbol (shown at left) to identify the parts that are sensitive to ESD. Protect
these parts by using an ESD wrist strap and protective ESD pouches.

User-replaceable parts

This chapter contains removal and replacement procedures for the imaging drum (see page 90)
and the print cartridge (see page 91).

To remove and replace the pickup roller or separatio n pad, see “User-replacea ble p arts” on page

47.

Required tools

The following tools are needed to service this product:



#2 Phillips screwdriver with magnetic t ip



Small flatblade screwdriver



Small needle-nose pliers



ESD mat



Penlight

CAUTION A PoziDriv screwdriver will damage screw heads on the product. Use a #2 Phillips screwdriver.

If you use a multispeed screwdriver, use a torque limiter.

EN 5 Removal and replacement 87

Before performing service

Pre-service procedures

1 Remove all media from the product.
2 Place the product on an ESD mat. If an ESD mat or an ESD-protected workstation is not

availab le , disch arge body stat ic and ground t he product cha ssis before servicing the product.

3 Remove the imaging drum (see page 90).
4 Remove the print cartridges (see page 91).
5 Unplug the power cord and the interface cable.
6 Lift the printer off of optional tray 3 (if installed).

88 Removal and replacement C9706-90926

Part s removal order

Use the following diagram to determine which parts must be removed before removing other
parts.

Imaging drum, print cartridges, cables (power and interface)
Jetdirect card
Fuser cover (and fuser)
Left-side cover

Carousel motor

Right-side cover

Control panel
Interface cover

Formatter cage

Jetdirect Card

Formatter
Fuser motor
Dc controller

Left-side cover

Optional tray 2
Front lower cover

Tray 1

Tray 1 separation pad assembly

Back cover

Top cover

Formatter cage

Gear assembly

Waste-toner sensor

Rotary-drive assembly

Top plate

Print-cartridge carousel (rotary assembly)
Top door
Air duct and fan
Laser/scanner

Front cover

Density sensor
Top-of-page sensor
Formatter cage

E-label reader (imaging drum)

Formatter cage

Optional tray 2

Toner-catch tray

Fuser wrap-jam sensor roller

ECU pan

Sub-high-voltage transformer PCA

High-voltage transformer PCA
Low-voltage PCA
Paper-top sensor
Fuser-wrap sensor

Registration-roller assembly
Toner-catch tray
Transfer-roller plate

Optional tray 2

Transfer roller

Right- and left-side covers

Feed-drive shaft

EN 5 Removal and replacement 89

Removal and replacement

Imaging drum

1 Open the top cover.
2 Grasp the imaging drum handle and then rotate the imaging drum

until the handle is horizontal.

3 Lift the imaging drum straight up to remove it from the printer.

Note

Before you replace the imaging drum, wipe the clear plastic strip at the
bottom of the opening of the printer with a soft, dry cloth to remove any
dust or debris

90 Removal and replacement C9706-90926

Print cartridges

1 Open the top door.
2 Remove the imaging drum (see page 90).
3 Pinch together the two large b lue tabs on the first cartridge and then

lift the cartridge straight up to remove it from the carousel.

4 Close the top cover, and then pre ss the R
5 Open the top cover, and then remove the next cartridge following

the procedure in step 3.

6 Repeat steps 2 through 5 until all four cartridges have been

removed.

Note

When the top door is open, the carousel retracts but does not rotate.
If the print-cartridge carousel does not rotate, see page 204.

OTATE CAROUSEL button.

Jetdirect card

1 Turn the printer off.
2 Loosen two thumbscrews.
3 Slide the Jetdirect card out of the slot to remove it.

EN 5 Removal and replacement 91

Fuser cover (and fuser)

1 Turn the printer off.
2 Rotate two locking tabs (callout 1) upward.
3 Gently slide the fuser out of the printer.

2

1

Figure 39. Removing the fuser cover (and fuser)

92 Removal and replacement C9706-90926

Right- and left-side covers

Follow the steps below to remove the right-side cover. Then, re move the left-side cover in the
same manner.

1 Remove one screw (callout 1) from the lower edge of the cover.

2

1

Figure 40. Removing the right-side cover (1 of 2)

EN 5 Removal and replacement 93

2 Grasp the cover by the handle and by the top and then pull the cover out gently, rotating the

cover away from the printer as you lift it.

CAUTION To avoid breaking two internal tabs (see detail in figure 41), lift the cover straight up.

Figure 41. Removing the right-side cover (2 of 2)

3 Repeat steps 1 and 2 to remove the left-side cover.

Reinstall note

Reattach the tab closer to the front of the printer be fore reattaching the back tab.

94 Removal and replacement C9706-90926

Control panel

1 Remove the right-side cover (see page 93).
2 Use a flatblade screwdriver to lift the plastic catch (callout 1) off of the tab.

Figure 42. Removing the control panel (1 of 2)

2

1

EN 5 Removal and replacement 95

3 Push the control panel away from the right-side cover to release three tabs (callout 2), and

then continue pushing the control panel to remove it.

2

2

Figure 43. Removing the control panel (2 of 2)

96 Removal and replacement C9706-90926

On-off switch

1 Remove the left-side cover (see page 93).
2 On the inside of the left-side cover, pinch two tabs (callout 1) together to remove the spring

(callout 2).

3 Pinch the two tabs together, and then press them through the holes in the left-side cover to

release the on-off switch.

2

2

Figure 44. Removing the on-off switch

1

2

EN 5 Removal and replacement 97

Interface cover

1 Remove the fuser (see page 92).
2 Release the tab (callout 1) at the top of the inte rface cover and the tab (callou t 2) at the bac k

cover.

3 Rotate the top of the interface cover away from the printer to remove the cover.

2

1

2

2

Figure 45. Removing the interface cover

98 Removal and replacement C9706-90926