LaserJet Series!1 PriiTter [HP 33440)
and
LaserJet ill Printer (HP33449)
CombinedService Manual
‘,.
HP Part No. 33449-90906
Printed in USA
First Edition - February 1990
,,
,,
,,.
Notice
HEWLETT-PAC- MA~S NO WARRAN~ OF ~ ~ND ~TH REGARD TO T~S
~TERM, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED W~TIES OF
MERCMTABILI~ AND FIT~SS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall
not be liable for errors contained herein or for incidenti consequential damages in connection
with the furnishing, performance, or use of this material.
This document contins proprietary information which is protected by copyright. Ml rights are
resewed. No pati of this document may be photocopied, reproduced, or translated to another
language without the prior written consent of Hewleti-Packard Company.
The information contined in this document is subject to change without notice.
,*
@ Copyright 1990 Hewleti-Packard Company
,.
--
+’
/
HP 33440/HP 33449 COMBINED PRINTER
READER’S COMMENT SHEET
SERVICE MANUAL
Please @ve us your commente concerning this manual. Your constructive criticism will help us
create betir manuals in the future. Be as specific as possible, giving section and page references
where “appropriate. Commenb on the writing, graphiw, binding, size, and printing method are
helpful ~n-m~ng our manuals more useful and friendly.
If you wotid like a reply, be sure to include your name and address with your response.
for your feedback.
,
Thank you
Februaw 1990
33W9-90906
‘
,
....
111111
,
~:
NO POSTAGE :
NECESSARY :
lF~l~D
IN TNE
UN~D STA=S !
BUSINESS REPLY MAIL
FIRST CLASS MAIL PERWT NO. 141 SOISE, IDAHO
POST~E WILL BE PAID BY ADDRESSEE
Hewlti-Packard Company
Boise DiWsion
“Atin:Learning Produc@ M.S. 517
P.O. Box 15
Boise, Idaho 83707-99W
Printing History
This manual was created using HP Tagflectra sotiare on an HP Vectra Personal Computer. The
body ted is printed in Centu~ Schoolbook fonts, and chapter and section heads are printed in
Helvetica fonts. The camera-ready copy was printed on an HP LaserJet III printer and reproduced
using standard offset printing.
Hrst Edition - Februa~ 1990
Trademark credits
PCL is a registered trademark of Hewleti-Packard Company. Resolution Enhancement is
a trademark of Hewlett-Packard Company. PostScript is a registered trademark of Adobe
Systems, Inc. in the U.S. and other countries. HP Vectra Personal Computer is a product of
Hewlett-Packard Company. lBM is a registered trademark of Int~rnationd Business Machines
Corporation.
This manual uses the following conventions:
CoIor indimtes te~ or graphics that is specific to the LaserJet III (HP 33449) printer. Color may
dso be used for emphasis, tities, and other non-HP 33449-specific material.
The names of major printer pafis and assemblies are capitiized.
Bold is used for emphasis, patiicularly in situations where italic me would be confusing.
Italic type is used to indicate related documents or for emphasis.
COMPUTER type indicates teti visible on the printer’s display or commands as seen on a PC
terminal.
[-] indicates keys, such as (=], on the printer’s Control Panel or on a computer
keyboard.
Note Notes contin impotint information set off from the teti.
,!
*
Caution Caution messages appear before or tier procedures which, if not obsemed, could
@
result in loss of data or in damage to equipment.
Warning Warning messages signal a specific procedure or practice which, if not followed
B
M
correctly, could cause personal injury.
...
Ill
contents
1. PRODUCT INFoRmmoN
1-1<
1-2,
1-3<
1-4<
1-5<
1-6<
1-7.
1-8.
1-9.
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . .
IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .
RELATED DOCUMENTATION . . . . . . . . . . . . . . . . . . . . .
SAFETY AND RELATED INFORMATION . . . . . . . . . . . . . . . .
PRINTER P~TSO~RWEW . . . . . . . . . . . . . . . . . . . . .
CONTROL P~ELOWRWEW, . . . . . . . . . . . . . . . . . . . .
SERWCEAPPROACH ..,.,... . . . . . . . . . . . . . . . . .
WARRANTY STATEMENT . . . . . . . . . . . . . . . . . . . . . . .
2. S~EP~NGmREQ~REMEm
2-1. INTRODUCTION ...........................
2-2. SITE REQUIREMENTS ........................
2-3. STORING AND HANDLING EP-S CART~DGES .............
2-4. PAPER SPECIFICATIONS .......................
2-5. E~LOPE SPECIFICATIONS .....................
2-6. ADHESW NEL AND OWRHEAD TRANSPARENCY SPECIFICATIONS
3. INsTmMmoN mD comGmmoN
3-1.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
INTRODUCTION ...........................
UNPAC~NG AND INSTALLATION ..................
USING THE CONTROL P~EL ....................
USING THE PRINTING AND CONFIGURATION MENUS ........
FONT PRINTOUTS ..........................
SELF TESTS .............................
SERWCE MODE ...........................
4. PRmmm wmNmcE
4-1.
4-2.
4-3.
4-4.
4-5.
4-6.
4-7.
4-8.
4-9.
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIFE E~ECTANCY OF CONSUWLES AND RELATED PARTS . . . .
WNTENANCE CHEC~OINTS . . . . . . . . . . . . . . . . . . . .
CLEANING THE PRINTER . . . . . , . . . . ’. . . . . . . . . . . .
CLEARING PNERJAMS . . . . . . . . . . . . . . . . . . . . . . .
OZONE FILTER REPLACEMENT . . . . . . . . . . . . . . . . . . . .
FUSER CLEANING PAD REPLACEMENT . . . . . . . . . . . . . . . .
EP-SCARTRIDGE LIFE AND USE . . . . . . . . . . . . . . . . . . .
PRINT DENSITY ADJUSTMENT.. . . . . . . . . . . . . . . . . . .
1-3
1-5
1-6
1-7
1-8
1-12
1-15
1-17
1-18
2-3
2-3
2-4
2-6
2-8
2-11
3-3
3-3
3-7
3-14
3-21
3-25
3-30
4-3
4-3
4-4
4-5
4-11
4-13
4-14
4-15
4-16
Contents-1
5.
6.
7.
8.
A
B.
c.
D.
E.
F.
MC~ONM O~RWEW
5-1. INTRODUCTION . . . . . . . . . . . . . . . . .
5-2. IMAGE FORMATION .SYSTEM: : : : . . . . . . . . . . . . . . . . .
5-3. PIcKuP/FEED system . . . . . . . . . . . . . . . . . . . . . . . .
5-4. MACHINE CONTROL SYSTEM. . . . . . . . . . . . . . . . . . . . .
5-5. INTERFACE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . .
5-6. POWER DISTRIBUTION . . . . . . . . . . . . . . . . . . . . . . . .
R~OV& - REP~C~ENT
6-1. INTRODUCTION ...........................
6-2. COWRS, P~ELS, AND ASSOCWTED PARTS ., ...........
6-3. WN BODY COMPONENTS.. ....................
6-4. TOP COWR ASSEMBLY COMPONENTS ................
6-5. BOTTOM COWRCOMPONENTS ...................
~O~LESHOO~NG
7-1. INTRODUCTION ...........................
7-2. P~-TROUBLESHOOTING PROCEDURES ........... ,...
7-3. WNFLOWCHART ..........................
7-4. PMNTER MESSAGE TROUBLESHOOTING ...............
7-5. IMAGE FORMATION TROUBLESHOOTING ..............
7-6. INTERFACE TROUBLESHOOTING ...................
7-7. TROUBLESHOOTING MDS. .....................
Pam m DMGU
8-1. HOW TO USE THE PARTS LISTS ....... , ...........
8-2. PARTS LIST .............................
8-3. P~TSIND~ ............................
YO~ RO~ W TO SE~NG UP YOUR WEMET SERIES 11 PRI~ER
YO~ GUIDE TO SE~NG W YO~ WEWET 111PRl~ER
HP 33449moRY BOARD INsT&MmoN
CMLING DUG-
HP 33440/HP 33449 PRINTER CO~DS
HP 33449 DISPMY MGUAGE MESMGE TWSM~ONS
G1OSXW
Index
5-3
5-4
5-13
5-16
5-17
5-21
6-5
6-11
6-19
6-43
6-53
7-5
7-6
7-8
7-13
7-57
7-84
7-87
8-3
8-4
8-51
Contents-2
PRODUCT information
contents
1. PRoDucTImoumoN
1-1. INTRODUCTION . . . . . . . . . . .
Features Common to Both Printers . . . . .
Features Which Apply Only to the HP 33440
Features Which Apply Only to the HP 33449
1-2. IDENTIFICATION . . . . . . . . . . .
1-3. SPECIFICATIONS . . . . . . . . . . .
Physid Dimensions . . . . . . . . . . .
Electrid Specifimtions . . . . . . . . . .
Environment Specifimtions . . . . . . .
1-4. RELATED DOCUMENTATION . . . . .
HP 33440 . . . . . . . . . . . . . . . .
HP 33449 . . . . . . . . . . . . . . . .
1-5. S~E~ AND RELATED INFORWTION
Genera l . . . . . . . . . . . . . . . .
Laser Safety . . . . . . . . . . . . . . .
Finnish Laser Statement . . . . . . . . .
German ZZF Declaration . . . . . . . . .
FCC Regulations . . . . . . . . . . . . .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
Federd Communications Commission (FCC) Rdio Frequency Interference (RFI)
Statement . . . . . . . . . . . . . . . . . .
Ozone Emission . . . . . . . . . . . . . . . . . .
Genera l . . . . . . . . . . . . . . . . . . . .
Employer Responsibilities . . . . . . . . . . . . .
Recommendations for Minimizing Ozone E~osure . .
Toner Safe@ and Care . . . . . . . . . . . . . . .
1-6. PRINTER PARTS O~RWEW . . . . . . . . . .
1-7. CONTROL PANEL O~RWEW . . . . . . . . . .
Genera l . . . . . . . . . . . . . . . . . . . . .
1-8. SERWCE APPROACH . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . .
Repair Parts . . . . . . . . . . . . . . . . . . . .
Consumables and Accessories . . . . . . . . . . . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
. .
. .
. .
. .
,.
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
1-3
1-3
1-3
1-4
1-5
1-6
1-6
1-6
1-6
1-7
1-7
1-7
1-8
1-8
1-8
1-9
1-1o
1-1o
1-10
1-11
1-11
1-11
1-11
1-11
1-12
1-15
1-15
1-1,7
1-17
1-17
1-18
1-1
HP 33440/HP 33449 COMBINED SERVICE MANUAL
1-9. WARRANTY STATE~NT . . . . . . . . . .
Genera l . . . . . . . . . . . . . . . . . . .
Warran& . . . . . . . . . . . . . . . . . . .
One-Year Limited Warranty . . . . . . . . . .
Exclusions . . . . . . . . . . . . . . . . . .
WarranQ Limitations . . . . . . . . . . . . .
Sefice During the Warran~ Period . . . . . .
Setice After the Warranty Period . . . . . . .
Repacting Guidelines for Returning Your Printer
. . . . . . . . . . . . . 1-18
. . . . . . . . . . . . . 1-18
. . . . . . . . . . . . . 1-18
. . . . . . . . . . . . . 1-18
. . . . . . . . . . . . . 1-18
. . . . . . . . . . . . . 1-19
. . . . . . . . . . . . . 1-19
. . . . . . . . . . . . . 1-20
. . . . . . . . . . . . . 1-20
1-1. Printer Identifimtion and Power Rating . . . . . . . . . . . . . . . . . . .
1-5
l-2. Printer Regulatory Labels... . . . . . . . . . . . . . . . . . . . . . .
1-8
l-3. Laser Safety Label Example.. . . . . . . . . . . . . . . . . . . . . . .
1-9
l-4. Finnish ker S%tement. . . . . . . . . . . . . . . . . . . . . . . . .
1-9
l-5. West German ZZF Declaration . . . . . . . . . . . . . . . . . . . . . . .
1-1o
1-6. ~ 33449 Printer (Front and Right Side View) . . . . . . . . . . . . . . .
1-12
l-7. ~33449Printer (Rearview). . . . . . . . . . . . . . . . . . . . . . .
1-13
l-8. ~33449Printer (Internal View) . . . . . . . . . . . . . . . . . . . . .
1-14
l-9. ~33440 Control Panel... . . . . . . . . . . . . . . . . . . . . . . .
1-15
l-10. ~33449 Control Panel... . . . . . . . . . . . . . . . . . . . . . . .
1-15
Tables
l-1. Physid Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-6
l-2. Electrid Specifimtions. . . . . . . . . . . . . . . . . . . . . . ...1-6
l-3. Entironmenti Specifimtions . . . . . . . . . . . . . . . . . . . . . . . 1-6
1-4. Key Functions ~ 33440 and ~ 33449 Printers . . . . . . . . . . . . . . .
1-16
1-5. Control Panel Indimtors ~ 33440 and ~ 33449 Printers . , . . . . . . . . 1-17
1-2
HP 33440/HP 33449 COMBINED SERVICE MANUAL
f-l. introduction
Features Common to Both Printers
Because the HP 33440 (LaserJet series II) and HP 33449 (LaserJet III) printers produce
high-quality output quietiy and reliably, they are idedly suited for today’s business environment.
Both laser printers:
Employ reliable, efficient, and easily maintained designs based on electrophotographic, electronic,
and laser technolo~es to produce high-quality print on a variety of media, including copier
papers, cotton bond papers, envelopes, transparencies, and labels. Output selection can be for
either correct (face down) or reverse (face up) order.
Combine a charging corona, photosensitive drum, toner, developer, and drum cleaner in a single
assembly, the Electrophotographic (EP-S) Cartridge. Simply replacing the EP-S Cartridge allows
maintenance and periodic replacement of consumables and parts by the customer, saving both
time and maintenance costs.
Employ a compact, safe semiconductor laser driven directiy by control signals. It is certified as
conforming to U.S. Bureau of Radiologid Health (BRH) standards.
Produce up to eight pages per minute, depending upon sotiare and dati constraints, with
extended symbol set capability and Control Panel configurability.
Provide serial (RS-232 and RS-422) and pa~lel (Centronics) 1/0 mpabilities, with provision for
other 1/0 mpabilities through an optional 1/0 slot.
Support macro cartridges for forms generation.
Features Which Apply Only to the HP 33440
Memo~ Provides 512 ~ytes toti internal read/write
memory by the addition of 1, 2, or 4 Mb~es, through a
toti.
memory with the capability to increase
single expansion slot, up to 4.5 Mb~es
Font Handling Provides up to 7-inch character cell size, printable space character, downloadable
fonts, font managemen~ and Upto 16 fonts per page. Ten bitmapped fixed-pitch internal fonts
are standard. Two font mrtridge slots are available.
Printer Command Language: Employs the PCL4TM Printer Command Language.
â– PostScriptR Printer Language: Supports the PostScriptR printer language through an optional
HP interface package.
â– Resolution: Provides up to 300 x 300 DPI (dots per inch) resolution.
1-3
You're Reading a Preview
What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$28.99
HP LaserJet Series II printer (HP 33440), LaserJet III printer (HP 33449) Combined Service Repair Manual
Viewed 12 Times Today
What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$28.99
Secure transaction
What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
Description
This is a comprehensive Service Repair Manual for the HP LaserJet Series II printer (HP 33440) and LaserJet III printer (HP 33449) Combined. The manual contains easy-to-read text sections with high-quality diagrams and step-by-step instructions for repairing your HP machine. It is designed to facilitate learning of technical theory, installation, maintenance, troubleshooting, disassembly, assembly, and repair of HP products.
Models Covered:
- HP LaserJet Series II printer (HP 33440) Combined
- HP LaserJet III printer (HP 33449) Combined
This Manual Covers:
- PRODUCT INFORMATION
- SITE PLANNING AND REQUIREMENTS
- INSTALLATION AND CONFIGURATION
- PREVENTIVE MAINTENANCE
- FUNCTIONAL OVERVIEW
- REMOVAL AND REPLACEMENT
- TROUBLESHOOTING
- PARTS AND DIAGRAMS
A. YOUR ROAD MAP TO SETTING UP YOUR LASERJET SERIES II PRINTER
B. YOUR GUIDE TO SETTING UP YOUR LASERJET III PRINTER
C. HP 33449 MEMORY BOARD INSTALLATION
D. CABLING DIAGRAMS
E. HP 33440/HP 33449 PRINTER COMMANDS
F. HP 33449 DISPLAY LANGUAGE MESSAGE TRANSLATIONS
Glossary
Index
Model Specification: HP LaserJet Series II printer (HP 33440), LaserJet III printer (HP 33449) Combined
Total Pages: 414
File Format: PDF
Requirements: Adobe Reader
Language: English
Compatibility: All Versions of Windows & Mac, APP ISO, iPhone, iPad, Android, etc.
This manual is in PDF format, providing high-quality and printable content. It is searchable, allowing quick access to information in every chapter. Users can print the entire manual or select specific pages. Additionally, it offers the ability to zoom in on diagrams or pictures for detailed viewing of each part.
By utilizing this manual, individuals can save time and money by performing their own repairs. The manual offers easy-to-follow, step-by-step instructions and detailed images for all repair areas.
ALL Service Repair Manuals are INSTANT PDF DOWNLOADS, eliminating shipping costs and the wait for physical delivery. Upon payment completion through our secure processor, customers will instantly receive the manual. We accept all major credit/debit cards and PayPal.
