HP P3005 108

4.Remove two screws (callout 4) to remove the I/O plate.

Figure 5-23Removing the ECU (3 of 8)

90 Chapter 5 Removal and replacement

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Contents

Page Page Page Page Table of contents 3 Maintenance 4 Theory of operation 5 Removal and replacement 6 Troubleshooting 7 Parts and diagrams Appendix A Specifications Appendix B Service and support Appendix C Regulatory information Page Page List of tables Page List of figures Page Page Page 1 Device information Page Page Page Device parts Interface ports Control-panellayout Page Minimum system requirements Windows requirements Macintosh requirements Supported operating systems Full software installation HP Web Jetadmin HP Easy Printer Care software Embedded Web server Remove software from Windows operating systems Remove software from Macintosh operating systems CAUTION Select print media Supported media sizes Supported media types Paper to avoid 2 Installation and configuration Location specifications Operating environment Load tray 1 (multipurpose tray) Page Load tray 2 and optional tray Page Supply replacement guidelines Change the print cartridge Page Page Install device memory Page Page Check DIMM installation Verify that DIMM is installed correctly Install an HP Jetdirect print server card Remove an HP Jetdirect print server card Page 3 Maintenance Print-cartridgestorage Use genuine HP print cartridges HP policy on non-HPprint cartridges Print-cartridgeauthentication HP fraud hotline and Web site Clean the exterior Clean the paper path CONFIGURE DEVICE PRINT QUALITY CREATE CLEANING PAGE Create and use the cleaning page Use information pages Open the HP Easy Printer Care software HP Easy Printer Care software sections Open the embedded Web server by using a network connection Embedded Web server sections Page Use HP Web Jetadmin software plug-ins download Product Update Use the HP Printer Utility for Macintosh Open the HP Printer Utility HP Printer Utility features 4 Theory of operation Formatter Engine control unit (ECU) ECU Formatter Option IMAGE Page Page Pickup/feed/delivery system Laser/scanner system Image-formationsystem Step 1: Primary charging Step 2: Laser beam exposure Step 3: Developing Step 4: Transfer Step 5: Separation Step 6: Fusing Step 7: Drum cleaning Page Page Page Page Page ●Read ●Write Page 5 Removal and replacement Page Removal and replacement strategy WARNING Electrostatic discharge Required tools Types of screws Pre-serviceprocedures Parts removal order Right-sidecover Left-sidecover Page Back cover I/O cover Top, right cover Top cover Front, right cover Page Page Reinstallation tip Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Tip Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 6 Troubleshooting Basic troubleshooting Power-onchecks Control-panelmessage types Resolve control-panelmessages Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Avoid jams Typical jam locations Jam detection Clear jams from the input-trayareas Page Clear jams from the print-cartridgearea Clear jams from the output-binareas Clear jams from the optional duplexer Page Computer direct connect (parallel) test Jetdirect page I/O EMBEDDED JETDIRECT MENU DIAGNOSTICS PING TEST DEST IPv4 Cold reset SELECT LANGUAGE COLD RESET NVRAM initialization SKIP DISK LOAD Hard-diskinitialization INITIALIZE DISK Skip disk-load Self test Service menu (service PIN codes) Restoring the service ID Convert the service ID to an actual date Diagnostics menu Engine-testpage Formatter test page Image defect ruler Use FTP to upgrade the firmware on a network connection Use HP Web Jetadmin to upgrade the firmware Use MS-DOScommands to upgrade the firmware Upgrade the HP Jetdirect firmware 4.In the Device Tools drop-downlist, select Jetdirect Firmware Update Jetdirect firmware version 10.In the Device Tools drop-downlist, select Jetdirect Firmware Update again Jetdirect Firmware Available on HP Web Jetadmin Page Page Page Multiple pages feed Pages are wrinkled or folded Pages are skewed Page Print-qualitychecklist Finishing Print Quality Custom Details Image-defectexamples Light print (partial page) Light print (entire page) TONER DENSITY Specks Dropouts FUSER MODES Lines Gray background Toner smear Loose toner HIGH Repeating defects Repeating image Misformed characters Page skew Curl or wave LOW Wrinkles or creases Vertical white lines Tire tracks White spots on black Scattered lines OPTIMIZE LINE DETAIL=ON Blurred print HIGH TRANSFER=ON Random image repetition Main assemblies Main parts Sensors and switches Motors, fans, and solenoids PCAs Figure 6-9 ECU wiring Page Page Page 7 Parts and diagrams Order directly from HP Replacement parts: Supplies and accessories: Order through service or support providers Other links Paper-handlingaccessories Print cartridge Memory Cables and interfaces Page Figure 7-1 Covers Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page A Specifications Page Page Page B Service and support Page Page Online Services Telephone support Software utilities, drivers, and electronic information HP direct ordering for accessories or supplies HP service information HP Easy Printer Care software HP support and information for Macintosh computers Next-day on-siteservice Weekly (volume) on-siteservice Extended warranty Page C Regulatory information Page Protecting the environment Ozone production Power consumption Toner consumption Paper use HP print supplies returns and recycling program information U.S. returns Non-U.S returns Paper Material Safety Data Sheet (MSDS) For more information Page Page Laser safety Canadian DOC regulations VCCI statement (Japan) Power cord statement (Japan) EMI statement (Korea) Laser statement for Finland Luokan 1 laserlaite VAROITUS VARNING HUOLTO Page Index