HP Color LaserJet 8550mfp Printer Service Manual, serwis HP
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8550 Printer
Copy Module
Automatic Document Feeder
High-Capacity Input
Service Manual
HP Copy Module, ADF, and side
HCI for HP Color LaserJet 8550
series printers
_____________ Service Manual
Copyright Information
Copyright © 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 C7834-90902
Second edition, February 2002
Printed in USA
Warranty
The information contained in
this document is subject to
change without notice.
Hewlett-Packard makes no
warranty of any kind with
respect to this information.
HEWLETT-PACKARD
SPECIFICALLY DISCLAIMS
THE IMPLIED WARRANTY OF
MERCHANTABILITY AND
FITNESS FOR A PARTICULAR
PURPOSE.
Hewlett-Packard shall not be
liable for any direct, indirect,
incidental, consequential, or
other damage alleged in
connection with the furnishing or
use of this information.
NOTICE TO U.S.
GOVERNMENT USERS:
RESTRICTED RIGHTS
COMMERCIAL COMPUTER
SOFTWARE: “Use, duplication,
or disclosure by the
Government is subject to
restrictions as set forth in
subparagraph (c) (1)(ii) of the
Rights in Technical Data Clause
at DFARS 52.227-7013.
Trademark Credits
CompuServe™ is a U.S.
trademark of CompuServe, Inc.
MS-DOS
®
is a U.S. registered
trademark of Microsoft
Corporation.
Photoshop™ and PostScript
®
are registered trademarks of
Adobe Systems Incorporated.
TrueType™ is a U.S. trademark
of Apple Computer, Inc.
UNIX
®
is a registered trademark
in the United States and other
countries, licensed exclusively
through X/Open Company
Limited.
Safety Information
WARNING
Electrical Shock Hazard
To avoid electrical shock, use
only supplied power cords and
connect only to properly
grounded (3-hole) wall outlets.
Hewlett-Packard Company
11311 Chinden Boulevard
Boise, Idaho 83714 U.S.A.
Contents
1 Product information
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Automatic document feeder (ADF) . . . . . . . . . . . . . . . . . . . . . . . .28
Side high-capacity input (side HCI) . . . . . . . . . . . . . . . . . . . . . . .32
Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Safety and regulatory information . . . . . . . . . . . . . . . . . . . . . . . .35
2 Service approach
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Service approach overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Technical assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
3 Operational overview
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Copy module functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Self-diagnostic messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Service mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
4 Adjustments and maintenance
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
MFP print engine adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . .119
Copy module adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
ADF adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Side HCI adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Periodically replaced parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
Lubricating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
EN
Contents
3
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8550 Printer
Copy Module
Automatic Document Feeder
High-Capacity Input
Service Manual
HP Copy Module, ADF, and side
HCI for HP Color LaserJet 8550
series printers
_____________ Service Manual
Copyright Information
Copyright © 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 C7834-90902
Second edition, February 2002
Printed in USA
Warranty
The information contained in
this document is subject to
change without notice.
Hewlett-Packard makes no
warranty of any kind with
respect to this information.
HEWLETT-PACKARD
SPECIFICALLY DISCLAIMS
THE IMPLIED WARRANTY OF
MERCHANTABILITY AND
FITNESS FOR A PARTICULAR
PURPOSE.
Hewlett-Packard shall not be
liable for any direct, indirect,
incidental, consequential, or
other damage alleged in
connection with the furnishing or
use of this information.
NOTICE TO U.S.
GOVERNMENT USERS:
RESTRICTED RIGHTS
COMMERCIAL COMPUTER
SOFTWARE: “Use, duplication,
or disclosure by the
Government is subject to
restrictions as set forth in
subparagraph (c) (1)(ii) of the
Rights in Technical Data Clause
at DFARS 52.227-7013.
Trademark Credits
CompuServe™ is a U.S.
trademark of CompuServe, Inc.
MS-DOS
®
is a U.S. registered
trademark of Microsoft
Corporation.
Photoshop™ and PostScript
®
are registered trademarks of
Adobe Systems Incorporated.
TrueType™ is a U.S. trademark
of Apple Computer, Inc.
UNIX
®
is a registered trademark
in the United States and other
countries, licensed exclusively
through X/Open Company
Limited.
Safety Information
WARNING
Electrical Shock Hazard
To avoid electrical shock, use
only supplied power cords and
connect only to properly
grounded (3-hole) wall outlets.
Hewlett-Packard Company
11311 Chinden Boulevard
Boise, Idaho 83714 U.S.A.
Contents
1 Product information
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Automatic document feeder (ADF) . . . . . . . . . . . . . . . . . . . . . . . .28
Side high-capacity input (side HCI) . . . . . . . . . . . . . . . . . . . . . . .32
Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Safety and regulatory information . . . . . . . . . . . . . . . . . . . . . . . .35
2 Service approach
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Service approach overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Technical assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
3 Operational overview
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Copy module functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Self-diagnostic messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Service mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
4 Adjustments and maintenance
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
MFP print engine adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . .119
Copy module adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
ADF adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Side HCI adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Periodically replaced parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
Lubricating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
EN
Contents
3
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