23Removing the ECU 3 Removal and replacement | HP P3005 specs

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

4

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

90 Chapter 5 Removal and replacement

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HP P3005 manual 23Removing the ECU 3 Removal and replacement

Contents

HP LaserJet P3005 Series printers Page HP LaserJet P3005 Series printers Safety information Copyright informationTrademark credits Table of contents Maintenance Service approach Paper feed guide assemblyGear assembly Reinstallation notes for the gear assembly Troubleshooting Print-quality checklist Wiring diagramsOrder through service or support providers Paper-handling accessories Appendix a Specifications Power cord statement Japan Vcci statement JapanEMI statement Korea Laser statement for Finland Enww Diagnostics menu Tray 2 pickup assemblyAlphabetical parts list 10 Numerical parts list Xii Model and serial numbers Systems overview Print engine general structure ECU wiring Grounding-spring locationsJam-detection sensors Jetdirect 197 Xvi Chapter contents Device information Device configurations P3005dn Features Feature Description Accessibility Supplies Walkaround Device parts Interface ports Model name Model number Control-panel layout Number Button or lightFunction Select Device software Minimum system requirementsSupported operating systems HP Web Jetadmin Supported printer driversSoftware for Windows computers HP Easy Printer Care software Software for Macintosh computers Other softwareEmbedded Web server Uninstall software Remove software from Windows operating systemsRemove software from Macintosh operating systems Media specifications Select print media Media size Dimensions Weight and thickness Supported media sizes1Supported media sizes 2Automatic 2-sided printing Type Dimensions Supported media types3Tray 1 media types 4Tray 2 and tray 3 media types Paper to avoid Installation and configuration Location specifications Site preparationOperating environment Load input trays Load tray 1 multipurpose tray Enww Load tray 2 and optional tray Enww Install supplies Supply replacement guidelinesChange the print cartridge Enww Enww Install accessories Install memoryInstall device memory Install accessories Enww Check Dimm installation Verify that Dimm is installed correctly Enable memory for Windows Install an HP Jetdirect print server cardUse HP Jetdirect print server cards Remove an HP Jetdirect print server card Enww Maintenance Approximate print-cartridge replacement intervals Manage suppliesSupplies life Manage the print cartridge Print-cartridge authentication HP fraud hotline and Web site Clean the device Clean the exteriorClean the paper path Clean spilled toner Create and use the cleaning Description How to print Management toolsUse information pages Use the HP Easy Printer Care software Open the HP Easy Printer Care softwareFile directory PCL or PS font list HP Easy Printer Care software sections SectionOptions Open the embedded Web server by using a network connection Use the embedded Web serverEmbedded Web server sections Tab or section Options Or Sleep mode on Settings tab Use HP Web Jetadmin software Use the HP Printer Utility for MacintoshTab or section Networking tab HP Printer Utility features Open the HP Printer Utility Theory of operation Basic operation Formatter Engine control unit ECU Formation roller 3Engine control system circuit diagram Theory of operation ECU Pickup/feed/delivery system Laser/scanner system 6Laser/scanner system Image-formation system 8Image-formation system Theory of operation Primary charging Laser beam exposureDeveloping Fusing TransferSeparation Drum cleaning 13 Fusing Internal components 15Cross-section of device Internal components 2Power-on sequence Timing1Operation sequences Name Timing Purpose 16Operational sequences Timing diagram Print cartridge memory system Write Enww Removal and replacement Separation pad Removal and replacement strategy OverviewElectrostatic discharge Required tools Types of screws Illustration Description Size Part number Use Service approach Before performing servicePre-service procedures After performing service Parts removal order Covers Right-side cover Left-side cover Enww Back cover Cover Top, right cover 6Removing the I/O cover Lift the cover off of the device Top cover Front, right cover 8Removing the top cover Lift the cover off of the device 9Removing the front, right cover 1 Removal and replacement Enww Control panel 12Reinstalling the control panel 13Removing the formatter 1 Removal and replacement Formatter 14Removing the formatter 2 15Removing the formatter 3 Removal and replacement Fuser Back cover see Back cover on Cover see I/O cover on 17Removing the fuser 2 Removal and replacement Enww 19Removing the laser/scanner 1 Removal and replacement Laser/scanner Laser/scanner 21Removing the ECU 1 Removal and replacement Engine control unit ECU 22Removing the ECU 2 23Removing the ECU 3 Removal and replacement 24Removing the ECU 4 25Removing the ECU 5 Removal and replacement 26Removing the ECU 6 27Removing the ECU 7 Removal and replacement Enww Access plate High-voltage power supply 31Removing the power supply 1 Enww 33Removing the power supply 3 Enww 35Removing the power supply 5 Enww 37Reinstalling the oblique-roller assembly Paper feed guide assembly Paper feed guide assembly Main motor 40Removing the main motor 2 Gear assembly 41Removing the gear assembly 1 Removal and replacement Remove four screws callout 3 from the gear-assembly plate Reinstallation notes for the gear assembly 43Reinstalling the gear assembly Removal and replacement Tray 1 solenoid Tray 2 solenoid Label reader memory tag 46Removing the e-label reader 1 Enww Face-down-roller shaft 48Removing the face-down-roller shaft 1 Enww Cartridge door 50Removing the cartridge door 1 51Removing the cartridge door 2 Removal and replacement 52Removing the cartridge door 3 Transfer roller Registration assembly 54Removing the registration assembly 1 Enww Remove four screws callout Tray 1 pickup roller Tray 2 pickup roller Enww Separation pad Enww Troubleshooting Troubleshooting process Basic troubleshooting Control-panel messages Control-panel message typesResolve control-panel messages Control panel message Description Recommended action 10.XX.YY Supply Memory Error XX Internal Clock Error JAM Inside TOP Cover JAM Inside Front DoorJAM Inside Rear Door 13.XX.YY Fuser JAM Inside TOP 13.XX.YY JAM in Tray 13.XX.YY JAM Inside Duplexer 13.XX.YY JAM Inside Rear Door 13.XX.YY JAM Inside TOP CoverInsufficient Memory TOO Complex EIO X Buffer Overflow Embedded I/O Buffer OverflowParallel I/O Buffer Overflow Serial I/O Buffer Overflow Error Xxxxx ErrorEmbedded I/O BAD Transmission Unexpected Size in Tray Fuser Error XY ErrorTo continue turn off then on 55.XX.YY DC Controller Error Alternates with Formatter To continue turn off then onNo System Storage Error Settings 8X.YYYY EIO ErrorPermanent Storage Full Permanent Storage Write Fail 8X.YYYY Embedded Jetdirect Action not Currently AvailableOn Tray Custom Chosen Personality not Code CRC Error Install Black CartridgeClose TOP Cover Data Received Insufficient Memory to Load FONTS/DATALoad Tray X Type Size Load Tray 1 Plain Paper NON HP Supply Installed Manually Feed Output StackMEM Test Failure Replace Dimm NON HP Supply in USE RFU Load Error RAM Disk File Operation FailedRAM Disk File System is Full RAM Disk is Write Protected USB Accessory Error Tray XX Empty Type SizeTray XX Open Tray XX Open or Empty USB Storage File System is Full USB Storage is Write ProtectedUSB Storage X Removed USE Tray X Type Size Cause Solution Clear jamsAvoid jams 1Common causes of jams Typical jam locations Jam detection 1Jam-detection sensors Clear jams from the input-tray areas Jam type Description Enww Clear jams from the print-cartridge area Clear jams from the output-bin areas Clear jams from the optional duplexer Enww Interface troubleshooting EIO troubleshootingCommunications checks Computer direct connect parallel test Network printing problems Jetdirect Packet Size Service mode functions Cold resetNvram initialization Service menu service PIN codes Hard-disk initializationSkip disk-load Self test Service ID Restoring the service ID Convert the service ID to an actual date Troubleshooting tools Diagnostics menu2Diagnostics menu Control-panel menus Test pages Engine-test Formatter test Image defect ruler Upgrade the firmware Use FTP to upgrade the firmware on a network connectionDetermine the current firmware version Use HP Web Jetadmin to upgrade the firmware Use MS-DOS commands to upgrade the firmware \YOURSERVER\YOURCOMPUTER Upgrade the HP Jetdirect firmware Troubleshoot general printing problems Device selects media from the wrong tray CauseSolutionDevice does not pull media from a tray Cause Solution Paper curls when it exits the device Cause Solution Print job prints on both sides of the paper Cause Solution Pages print, but are totally blank Cause Solution Messages and see Control-panel messages on Troubleshoot media handling problems Multiple pages feedPages are wrinkled or folded Pages are skewed Assembly on Troubleshoot print-quality problems Print-quality checklist Image-defect examples AaBbCc Light print partial AaBbCc Light print entire Specks Dropouts Lines Gray background Toner smear Loose toner Repeating defects Repeating image Misformed characters Skew Curl or wave Wrinkles or creases Vertical white lines Tire tracks White spots on black Scattered lines Blurred print Random image repetition Diagrams Device component locationsMain assemblies Main parts Main parts Sensors and switches 6Sensors and switches Motors, fans, and solenoids 7Motors, fans, and solenoids Wiring diagrams PCAs 3 4 12 11 10Circuit diagram 1 196 Chapter Troubleshooting Circuit diagram 2 Enww Parts and diagrams Order parts, accessories, and supplies Order through service or support providersOrder directly from HP Order directly through the HP Easy Printer Care software Paper-handling accessories Part numbersPrint cartridge Memory Cables and interfaces Enww Covers Covers Description Part number Qty 2Internal components 1 Parts and diagrams 2Internal components 1 Enww Enww 3Internal components 2 Parts and diagrams 3Internal components 2 502 Pin, dowel XD3-2120-122 503 Ring, E XD2-1200-802 Enww 4Internal components 3 Parts and diagrams 4Internal components 3 5Internal components 4 Parts and diagrams 5Internal components 4 6Internal components 5 Parts and diagrams 6Internal components 5 7Internal components 6 7Internal components 6 Tray 2 pickup assembly 8Tray 2 pickup assembly Parts and diagrams 8Tray 2 pickup assembly Alphabetical parts list 9Alphabetical parts list Connector, snap tight, bk VS1-7177-004 Film, fuser drive side plate RC2-0649-000 Internal components 4 Holder, switch link RC2-0634-000 Motor, DC M1, main RK2-1488-000 Registration assembly RM1-3715-000 Sensor-flag assembly RM1-3769-000 Spring, torsion RU5-2386-000 Numerical parts list 10Numerical parts listPart number Description RC1-4061-000 Spring, torsion RC2-0468-000 Cushion, right lower RC2-0612-000 Cover, engine controller RC2-0705-000 Lever, drive release RM1-3716-000 Multipurpose paper pick-up roller assembly RM1-4040-000 Top sensor PCA PS901 RU5-2386-000 Spring, torsion XA9-1503-000 Screw, tap, M3x6 Enww Specifications Physical specifications Table A-1Device dimensionsDevice model Height Depth Width Weight Device model Height Depth Width Electrical specifications Table A-3Power requirementsTable A-4Power consumption average, in watts Specification Volt models Acoustic specifications Table A-5Sound power and pressure levelOperating environment Table A-6Necessary conditions Service and support Hewlett-Packard limited warranty statement Customer self repair warranty service Print cartridge limited warranty statement Online Services HP service agreementsHP Customer Care HP Easy Printer Care software HP support and information for Macintosh computers HP maintenance agreements On-site service agreementsNext-day on-site service Weekly volume on-site service Extended warranty Enww Regulatory information FCC regulations Environmental product stewardship program HP print supplies returns and recycling program information PaperMaterial restrictions HP LaserJet P3005 device Material Safety Data Sheet Msds For more information Enww Declaration of conformity Declaration of Conformity Safety statements Laser safetyCanadian DOC regulations Laser statement for Finland Luokan 1 laserlaite Enww Index ECU Enww Msds RFU Enww See also trays Trays status Enww Page Q7812-90910