HP LaserJet 5L - 6L Service Manual.pdf

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HP LaserJet 5L and 6L Printer Service Manual, C3990-90991
HP LaserJet 5L and 6L Printer
Service Manual
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Service Manual
HP LaserJet 5L
HP LaserJet 6L
(C3941A)
(C3990A)
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© Copyright Hewlett-Packard
Company 1997
Warranty
The information contained in
this document is subject to
change without notice.
WARNING
Electrical Shock Hazard
All Rights Reserved.
Reproduction, adaptation, or
translation without prior
written permission is
prohibited, except as allowed
under the copyright laws.
To avoid electrical shock, use
only supplied power cords and
connect only to properly
grounded (3-hole) wall outlets.
Hewlett-Packard makes no
warranty of any kind with
regard to this material,
including, but not limited to,
the implied warranties or
merchantability and fitness for
a particular purpose.
Publication number
C3990-90991
First edition, May 1997
Hewlett-Packard shall not be
liable for errors contained
herein or for incidental or
consequential damaged in
connection with the furnishing,
performance, or use of this
material.
Hewlett-Packard Company
11311 Chinden Boulevard
Boise, Idaho 83714
Conventions
This manual uses the following conventions:
Color is used to emphasize items which are important to the material under
discussion.
The names of major printer parts and assemblies are CAPITALIZED.
Bold is used for emphasis, particularly in situations where italic type would be
confusing.
Italic type is used to indicate related documents or emphasis.
Note
Notes contain important information set off from the text.
Caution
Caution messages alert you to the possibility of damage to equipment or loss of data.
WARNING!
Warning messages alert you to the possibility of personal injury.
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Chapter Descriptions
1 Product Information
Orientation to the printer, as well as the service and repair philosophy, is discussed.
Information on obtaining assistance and warranty is also here.
2 Site Requirements
Here are recommendations pertaining to installation requirements.
3 Operating Overview
This chapter has detailed information about the Control Panel. Sample self tests and
printer reset information are also included.
4 Maintenance
Turn to this chapter for information about printer cleaning and care.
5 Functional Overview
Here you will find the basic theory-of-operation information required to understand
the various printer systems and how they function together.
6 Removal and Replacement
This chapter contains the step-by-step procedures for replacing printer field
replaceable units (FRUs). Assemblies are grouped by location in the printer.
7 Troubleshooting
Diagnose printer problems here. A preliminary troubleshooting table is followed by
error messages, image defect samples, and diagnostic tools.
8 Parts and Diagrams
Look here to find any field replaceable unit (FRU) in the printer. Exploded view
drawings are accompanied by complete part number tables.
A Parts Index
All parts are sorted and cross-referenced here by part number and name.
B Regulatory Information
Here are required statements regarding RFI and laser safety.
C Service Notes
Service Notes for HP LaserJet 5L concerning paper jams appear here.
Subject Index
Use the subject index to quickly locate any information in the manual.
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