HP LaserJet 3390, LaserJet 3392 Service Repair Manual

HP LaserJet 3390/3392 All-in-One Service Manual

Copyright information © 2005 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 Q6500-90901 Edition 2, 10/2005 Safety information WARNING! Potential Shock Hazard Always follow basic safety precautions when using the all-in-one 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 all-in-one. Use only a grounded electrical outlet when connecting the all-in-one 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 all-in-one. Replace damaged cords immediately. Unplug the all-in-one from wall outlets before cleaning. Do not install or use the all-in-one near water or when you are wet. Install the product securely on a stable surface. Install the all-in-one 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 all-in-one does not operate normally, see the online user guide. Refer all servicing questions to qualified personnel. Information regarding FCC Class B, Parts 15 and 68 requirements can be found in the user guide. Trademark credits Microsoft® and Windows® are U.S. registered trademarks of Microsoft Corporation. Linux is a U.S. registered trademark of Linus Torvalds. UNIX® is a registered trademark of The Open Group. PostScript® is a trademark of Adobe Systems Incorporated. Energy Star® and the Energy Star logo® are U.S. registered marks of the United States Environmental Protection Agency.

FCC Regulations This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy. If this equipment is not installed and used in accordance with the instructions, it may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase separation between equipment and receiver. Connect equipment to an outlet on a circuit different from that to which the receiver is located. Consult your dealer or an experienced radio/ TV technician. Any changes or modifications to the printer that are not expressly approved by HP could void the user's authority to operate this equipment. Use of a shielded interface cable is required to comply with the Class B limits of Part 15 of FCC rules. This equipment complies with FCC rules, Parts 15 and 68. On the back of this equipment is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN) for this equipment. If requested, this information must be provided to the telephone company. The REN is used to determine the quantity of devices which may be connected to the telephone line. Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call. In most, but not all, areas, the sum of the RENs should not exceed five (5.0). To be certain of the number of devices that may be connected to the line, as determined by the total RENs, contact the telephone company to determine the maximum REN for the calling area. This equipment uses the following USOC jacks: RJ11C. An FCC-compliant telephone cord and modular plug is provided with this equipment. This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack which is Part 68 compliant. This equipment cannot be used on telephone company-provided coin service. Connection to Party Line Service is subject to state tariffs. If this equipment causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. If advance notice is not practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary. The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make the necessary modifications in order to maintain uninterrupted service. If trouble is experienced with this equipment, please see the numbers in the front of this manual for repair and (or) warranty information. If the trouble is causing harm to the telephone network, the telephone company may request you remove the equipment from the network until the problem is resolved. The following repairs can be done by the customer: Replace any original equipment that came with the device. This includes the print cartridge, the supports for trays and bins, the power cord, and the telephone cord. It is recommended that the customer install an ac surge arrestor in the ac outlet to which this device is connected. This is to avoid damage to the equipment caused by local lightning strikes and other electrical surges. See the electronic user guide for more regulatory information.

Table of contents 1 Product information Quick access to all-in-one information ................................................................................................. 2 All-in-one configurations ....................................................................................................................... 3 All-in-one features ................................................................................................................................ 5 Product walkaround .............................................................................................................................. 7 HP LaserJet 3390/3392 all-in-one ....................................................................................... 7 Interface ports ...................................................................................................................... 9 Control panel ....................................................................................................................... 9 Model and serial numbers .................................................................................................................. 10 Software description ........................................................................................................................... 11 Supported drivers .............................................................................................................. 11 Additional drivers ............................................................................................................... 11 Software installation ........................................................................................................................... 12 Typical installation ............................................................................................................. 12 Minimum installation .......................................................................................................... 12 Software for Windows ........................................................................................................................ 13 Software components for Windows ................................................................................... 13 HP ToolboxFX ................................................................................................... 13 Embedded Web server (EWS) .......................................................................... 13 Software for Macintosh ....................................................................................................................... 14 HP Director ........................................................................................................................ 14 Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4) ............................. 14 PDEs (Mac OS X V10.3 and Mac OS X V10.4) ................................................................. 15 Uninstalling software .......................................................................................................................... 16 Windows ............................................................................................................................ 16 Macintosh .......................................................................................................................... 16 Media specifications ........................................................................................................................... 17 Supported media weights and sizes .................................................................................. 17 Media to avoid ................................................................................................................... 18 Media that can damage the all-in-one ............................................................................... 19 2 Installation Operating environment ....................................................................................................................... 22 Minimum system requirements .......................................................................................... 23 Unpacking .......................................................................................................................................... 24 Installing input devices ....................................................................................................................... 25 ADF input tray .................................................................................................................... 25 250-sheet input tray (tray 3) ............................................................................................... 26 Installing the control-panel faceplate .................................................................................................. 27 ENWW v

Loading media .................................................................................................................................... 28 Loading documents to fax, copy, or scan .......................................................................... 28 Loading the single-sheet priority input slot (tray 1) ............................................................ 30 Loading tray 2 or optional tray 3 ........................................................................................ 30 Installing accessories ......................................................................................................................... 32 Removing and replacing a DIMM ...................................................................................... 32 3 Maintenance Managing supplies ............................................................................................................................. 36 Life expectancies of supplies and the all-in-one ................................................................ 36 Ordering supplies ............................................................................................................... 36 Storing print cartridges ....................................................................................................... 37 Replacing and recycling supplies ...................................................................................... 37 Replacing the print cartridge .............................................................................................. 39 Replacing the staple cassette ............................................................................................ 42 Replacing the tray 2 pickup roller ...................................................................................... 44 Replacing the tray 2 and optional tray 3 separation pad ................................................... 49 HP policy on non-HP supplies ........................................................................................... 52 Resetting the all-in-one for non-HP supplies ..................................................... 52 HP fraud hotline ................................................................................................................. 52 Cleaning the all-in-one ....................................................................................................................... 53 To clean the exterior .......................................................................................................... 53 Cleaning the flatbed scanner glass .................................................................................... 53 Cleaning the scanner-cover backing ................................................................................. 55 Cleaning the tray 2 pickup roller ....................................................................................... 56 Cleaning the ADF pickup-roller assembly .......................................................................... 60 Cleaning the print path ....................................................................................................... 63 Managing the all-in-one ...................................................................................................................... 65 Information pages .............................................................................................................. 65 Using the HP ToolboxFX .................................................................................................................... 68 To view the HP ToolboxFX ................................................................................................ 68 Status ................................................................................................................................. 68 Event log ........................................................................................................... 69 Alerts .................................................................................................................................. 69 Set up status alerts ........................................................................................... 69 Set up e-mail alerts ........................................................................................... 69 Fax ..................................................................................................................................... 70 Fax tasks ........................................................................................................... 70 Fax phone book ................................................................................................ 70 Fax send log ...................................................................................................... 73 Fax receive log .................................................................................................. 73 Help (Documentation) ........................................................................................................ 73 System settings ................................................................................................................. 74 Device information ............................................................................................ 74 Paper handling .................................................................................................. 75 Print quality ....................................................................................................... 75 Paper types ....................................................................................................... 75 System setup .................................................................................................... 76 Service .............................................................................................................. 76 Device Polling ................................................................................................... 76 vi ENWW

Print settings ...................................................................................................................... 76 Printing .............................................................................................................. 76 PCL 5e .............................................................................................................. 77 PostScript .......................................................................................................... 77 Network settings ................................................................................................................ 77 Using Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4) ................................... 78 Understanding the Embedded Web server ........................................................................................ 79 Features ............................................................................................................................. 79 4 Theory of operation Basic operation ................................................................................................................................... 82 Sequence of operation for the base unit ............................................................................ 82 Scanner and ADF functions and operation ........................................................................................ 84 Scanner functions ............................................................................................................. 84 Scanner operation ............................................................................................................. 85 ADF operation .................................................................................................................... 85 ADF paper path and ADF sensors ..................................................................................... 86 ADF jam detection ............................................................................................................. 87 Internal components (base unit) ......................................................................................................... 88 Engine control system ........................................................................................................................ 90 Laser/scanner system ........................................................................................................................ 92 Pickup/feed/delivery system ............................................................................................................... 93 Image-formation system ..................................................................................................................... 95 Fax functions and operation ............................................................................................................... 99 Computer and network security features ........................................................................... 99 PSTN operation ................................................................................................................. 99 To receive faxes when you hear fax tones ...................................................................... 100 Distinctive ring function .................................................................................................... 100 Faxing with Voice over IP services .................................................................................. 101 The fax subsystem ........................................................................................................... 101 Formatter in the fax subsystem ....................................................................................... 101 LIU in the fax subsystem ................................................................................................. 102 Safety isolation ................................................................................................ 102 Safety-protection circuitry ................................................................................ 102 Data path ......................................................................................................... 103 Hook state ....................................................................................................... 103 Downstream current detection ........................................................................ 103 Hook switch control ......................................................................................... 104 Ring detect ...................................................................................................... 104 Line current control ......................................................................................... 104 Billing- (metering-) tone filters ......................................................................... 104 Fax page storage in flash memory .................................................................................. 105 Stored fax pages ............................................................................................. 105 Advantages of flash memory storage ............................................................. 105 5 Removal and replacement Introduction ....................................................................................................................................... 108 Removal and replacement strategy ................................................................................ 108 Electrostatic discharge ..................................................................................................... 108 User-replaceable parts .................................................................................................... 109 ENWW vii

Required tools ................................................................................................................. 109 Before performing service ................................................................................................ 109 After performing service ................................................................................................... 110 Post-service tests ............................................................................................................ 110 Test 1 (print-quality test) ................................................................................. 110 Test 2 (copy-quality test) ................................................................................. 110 Test 3 (fax-quality test) .................................................................................... 111 Parts removal order ......................................................................................................... 112 Remove the print cartridge .............................................................................................. 113 External panels, covers, and doors .................................................................................................. 114 Right cover ....................................................................................................................... 114 Left cover ......................................................................................................................... 116 Print-cartridge door .......................................................................................................... 118 Rear cover ....................................................................................................................... 120 Top cover ......................................................................................................................... 122 Replacing the ADF pickup-roller assembly ...................................................................................... 124 ADF assembly .................................................................................................................................. 127 Scanner/ADF assembly .................................................................................................................... 129 Bezel and control panel .................................................................................................................... 131 Internal assemblies .......................................................................................................................... 134 Convenience-stapler assembly (HP LaserJet 3392 only) ................................................ 134 Convenience-stapler power supply (HP LaserJet 3392 only) .......................................... 136 Convenience-stapler ac inlet cable (HP LaserJet 3392 only) .......................................... 138 Convenience-stapler power supply bracket and strap (HP LaserJet 3392 only) ............. 139 Speaker ........................................................................................................................... 140 Power-switch PCA ........................................................................................................... 142 Formatter ......................................................................................................................... 143 Duplex assembly ............................................................................................................. 146 Laser/scanner .................................................................................................................. 148 Memory-tag-reader assembly .......................................................................................... 150 Fuser ................................................................................................................................ 152 Fan .................................................................................................................. 152 Duplex-drive gears .......................................................................................... 154 Duplex solenoid ............................................................................................... 155 Fuser ................................................................................................................................ 157 Interlock assembly ........................................................................................................... 163 ECU ................................................................................................................................. 164 Main motor ....................................................................................................................... 169 Pickup-and-feed assemblies ............................................................................................ 171 Transfer roller .................................................................................................. 171 Registration-roller assembly ............................................................................................ 172 Main gear assembly and tray 2 pickup solenoid .............................................................. 173 6 Troubleshooting Troubleshooting process .................................................................................................................. 178 Troubleshooting checklist ................................................................................................ 178 Jams ................................................................................................................................................. 181 Causes of jams ................................................................................................................ 181 Tips to avoid jams ............................................................................................................ 182 Where to look for jams ..................................................................................................... 182 viii ENWW

You're Reading a Preview

HP LaserJet 3390, LaserJet 3392 Service Repair Manual

Recently Viewed