HP LaserJet 1160 Printer Service Manual

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Copyright information © 2004 Copyright Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Part number Q5927-90901 Edition 2, 9/2004

Safety information WARNING! Potential Shock Hazard Always follow basic safety precautions when using this product to reduce risk of injury from fire or electric shock. Read and understand all instructions in the user guide. Observe all warnings and instructions marked on the product. Use only a grounded electrical outlet when connecting the printer to a power source. If you do not know whether the outlet is grounded, check with a qualified electrician. Do not touch the contacts on the end of any of the sockets on the printer. Replace damaged cords immediately. Unplug this product from wall outlets before cleaning. Do not install or use this product near water or when you are wet. Install the product securely on a stable surface. Install the product in a protected location where no one can step on or trip over the power cord and where the power cord will not be damaged. If the product does not operate normally, see the online user guide. Refer all servicing questions to qualified personnel. Information regard
ing FCC Class B, Parts 15 and 68 requirements can be found in the user guide.

Trademark credits Adobe®, Acrobat®, Adobe® PostScript® 3TM, and the Acrobat Logo® are trademarks of Adobe Systems Incorporated. Microsoft®, Windows®, and Windows NT® are U.S. registered trademarks of Microsoft Corporation. UNIX® is a registered trademark of The Open Group. Energy Star® and the Energy Star logo® are U.S. registered marks of the United States Environmental Protection Agency.

Table of contents

1 Product Information
Chapter contents........................................................................................................................ 1 Printer configurations.................................................................................................................2 HP LaserJet 1160 and HP LaserJet 1320 Series printers base models.............................3 Features.....................................................................................................................................4 HP LaserJet 1160 printer.....................................................................................................4 HP LaserJet 1320 Series printer.........................................................................................4 HP LaserJet 1320n printer...................................................................................................5 HP LaserJet 1320tn printer..................................................................................................5 HP Lase
rJet 1320nw printer................................................................................................5 Specifications.............................................................................................................................6 Physical specifications ........................................................................................................6 Printer capacities and ratings .............................................................................................6 Memory specifications ........................................................................................................7 Port availability ....................................................................................................................7 Electrical specifications ......................................................................................................8 Acoustic emissions ................................................................................................
...........10 Environmental specifications ............................................................................................10 Print media specifications .......................................................................................................11 Supported media sizes .....................................................................................................11 Hewlett-Packard limited warranty statement ..........................................................................12 Hewlett-Packard software license agreement ........................................................................13 Print cartridge limited warranty ...............................................................................................14 HP LaserJet printing supplies .................................................................................................15 Declaration of Conformity statements .....................................................................................16 Co
untry/region-specific safety statements ..............................................................................18 Laser safety statement .....................................................................................................18 Canadian DOC regulations ...............................................................................................18 Korean EMI statement ...................................................................................................... 8 1 Laser statement for Finland .............................................................................................. 9 1

2 Installation
Chapter contents...................................................................................................................... 1 2 Operating environment ............................................................................................................22 Printer connections .................................................................................................................22 Software...................................................................................................................................24 Supported operating systems ...........................................................................................24 Software for Windows .......................................................................................................25 Software for Macintosh computers ...................................................................................27

3 Operation
Chapter contents...................................................................................................................... 9 2 Printer control panel ................................................................................................................ 0 3 Status-light patterns ................................................................................................................31

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Printer information pages ........................................................................................................ 7 3 Demo page .......................................................................................................................37 Configuration page ...........................................................................................................37 Supplies Status page ........................................................................................................37 Network Configuration page .............................................................................................37 Using the HP Toolbox .............................................................................................................38 Supported operating systems ...........................................................................................38 Supported browsers .....................................................................................................
....38 To view the HP Toolbox on Windows systems ................................................................39 To view the HP Toolbox on Macintosh systems ..............................................................39 HP Toolbox sections .........................................................................................................39 Other links .........................................................................................................................39 Status tab ..........................................................................................................................39 Troubleshooting tab .......................................................................................................... 0 4 Alerts tab ...........................................................................................................................40 Documentation tab ...........................................................................................................40 Ad
vanced Printer Settings window ...................................................................................41 Network window ................................................................................................................41 Using the embedded Web server ...........................................................................................42 To open the embedded Web server .................................................................................42 Information tab ..................................................................................................................43 Settings tab .......................................................................................................................43 Networking tab ..................................................................................................................43 Other links .........................................................................................................................44
Wireless printing ......................................................................................................................45 IEEE 802.11b/g standard .................................................................................................45 Bluetooth ...........................................................................................................................45

4 Maintenance
Chapter contents...................................................................................................................... 7 4 Replacing the print cartridge....................................................................................................48 To replace the print cartridge.............................................................................................48 Cleaning the printer ................................................................................................................. 9 4 Cleaning the print-cartridge area ......................................................................................49 Cleaning the printer media path .......................................................................................51 Changing the pickup roller ......................................................................................................52 Cleaning the pickup roller ...................................................................................
.....................58 Changing the printer separation pad .......................................................................................59 Cleaning the printer separation pad......................................................................................... 3 6

5 Theory of operation
Chapter contents...................................................................................................................... 5 6 Introduction...............................................................................................................................66 Internal components.................................................................................................................67 Timing.......................................................................................................................................68 Engine control system.............................................................................................................. 0 7 Laser/scanner system..............................................................................................................72 Pickup/feed/delivery system....................................................................................................73 Image-formation system..........................................
.................................................................75

6 Removal and replacement
Chapter contents...................................................................................................................... 9 7 Introduction ..............................................................................................................................80 Removal and replacement strategy ..................................................................................80

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