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HP CP4525DN Laser CC494A#ABA manual TOP top of page sensor

Models: CP4525DN Laser CC494A#ABA

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A TOP (top of page) sensor

1.Open the right door.

2.Insert a piece of paper to activate the TOP sensor. Figure 3-4Test the TOP sensor (1 of 2)

NOTE: Open the registration shutter to verify the paper activates the sensor. Figure 3-5Test the TOP sensor (2 of 2)

3.Check the control-panel display for sensor response.

4.If there is no response, replace the registration assembly. See Registration assembly on page 128.

ENWW	Tools for troubleshooting 247

Image 279

HP CP4525DN Laser CC494A#ABA manual TOP top of page sensor

Contents

Color Laserjet Enterprise CP4020/CP4520 Page HP Color LaserJet Enterprise CP4020- CP4520 Series Printers Trademark Credits Copyright and LicenseConventions used in this guide Iv Conventions used in this guide Table of contents Removal and replacement Print-quality test 119 Enww Solve problems 265 383 Parts and diagrams Appendix a Service and support Appendix B Product specificationsAppendix C Regulatory information 515 Xvi List of tables 17 Causes and solutions for fuser delivery delay jams 394 Table B-4 Enww List of figures 49Paper-feeder pickup and feed operation 41 Remove the front-top cover 1 100 71 Remove the secondary transfer assembly 1 119 115 Remove the delivery assembly 3 146 161 Remove the tray-pickup drive assembly 1 178 209 Remove the fuser-drive assembly 1 212 19 Test the Tray 1 media-present sensor 261 20 Paper feeder external covers, panels, and doors 470 Xxx Theory of operation 1Relationship between the main product systems Basic operationSequence of operation 1Sequence of operationPeriod Duration Description 2Engine-control system Engine-control systemDC controller SolenoidsComponent abbreviation Component name Clutches SwitchesSensors SensorsAbbreviation Name Purpose Failure detection MotorsAbbreviation Name Cooling area Type Speed FansHigh-voltage power supply 7High-voltage power supply circuitsCircuit Description Biases for each color 8Converted DC voltages Low-voltage power supplyOvercurrent/overvoltage protection SafetySleep powersave mode Low-voltage power supply failureFuser control 9Fuser componentsType of component Abbreviation Name Function Fuser sleeve temperature protection Fuser temperature controlFailure detection Fuser unit life detection Fuser unit identification8Laser/scanner system Laser/scanner systemLaser/scanner failure Protective-glass cleaners9Protective-glass cleaners PGCs Theory of operation ITB Image-formation system11Image-formation drive system Functional block Steps Description Image-formation processPrimary charging Pre-exposureDevelopment Laser-beam exposureSecondary transfer Primary transferSeparation FusingITB cleaning Drum cleaningPrint cartridge 23Print-cartridge system Developing-roller engagement and disengagement 25 ITB unit Intermediate transfer belt ITB unit10Primary-transfer-roller engagement states Primary-transfer-roller engagement and disengagementSL1 Calibration 27ITB cleaning processImage-stabilization control Color-misregistration control11Image-stabilization controls 29 Paper path Pickup, feed, and delivery systemComponent Abbreviation Component 32Three main units of the pickup, feed, and delivery system Cassette pickup Pickup-and-feed unitTop switch Center switch Bottom switch Cassette-presence detectionPaper size Cassette multiple-feed prevention 35Cassette lift mechanism36Multiple-feed prevention Multipurpose tray pickup37Multipurpose tray pickup mechanism Paper feed38Paper-feed mechanism Paper detection Skew-feed preventionDuplex printing Fusing and delivery unit14Print mode and feed speed Simplex printing40Fuser and delivery unit Loop control41Loop-control mechanism 42Pressure-roller pressurization control Pressure-roller pressurization control43Duplexing unit Duplexing reverse and feed controlDuplex reverse and feed control Duplex print operationEnww 45Jam detection sensors Jam detectionJam Description 16Jams that the product detects461 x 500 optional paper feeder Optional paper feeder473 x 500-sheet optional paper feeder Component Drives Failure detection Motor control17Electrical components for the paper feeder Component Abbreviation Component name Type18Pickup feed components 1 x 500-sheet paper feeder Paper-feeder pickup and feed operationSW2 SW3 SW4 OFF Paper-size detection and cassette-presence detectionSR2/SR8/SR9 Paper-feeder cassette lift operation51Jam detection 1 x 500-sheet paper feeder Paper feeder jam detection52Jam detection 3 x 500-sheet paper feeder Enww Removal and replacement Introduction Removal and replacement strategyRequired tools Electrostatic dischargeAfter performing service Before performing servicePrint-quality test Post-service testParts removal order 2Parts removal order 1 Removal and replacement3Parts removal order 2 Print cartridges Customer self repair CSR components5Remove the print cartridge 2 Toner-collection unit 7Remove the toner-collection unit 2 Removal and replacement8Remove the toner-collection unit 3 ESD sensitive component Formatter PCAHard drive Remove the hard driveBefore proceeding, remove the following components 13Remove the hard drive 3 Removal and replacement Remove the memory Dimm Memory DimmNext to Automatic Configuration , select Update Now Enable memoryClick Settings Click the Device Settings tabWindows Next to Automatic Configuration, select Update NowInstallable Options area Click the Installable Options menuTray Fuser Feed and separation rollers Trays Pickup roller Tray 24Remove the pickup roller Tray 1 4 Removal and replacement Enww Secondary transfer roller 29Reinstall the transfer roller Reinstall the transfer rollerIntermediate transfer belt ITB 32Remove the intermediate transfer belt 3 Enww Identification and location External panels, covers, and doors35Remove the upper-left cover 1 Remove one screw Upper-left cover37Remove the upper-left cover 3 38Remove the power-supply cover Removal and replacement Power-supply coverRemove the left cover Left coverRemove the front-top cover Front-top cover43Remove the front-top cover 3 Remove the rear-top cover Rear-top coverRemove the right-front cover Right-front coverReinstall the power button Remove the control-panel assembly Control-panel assemblyEnww Remove the front-door assembly Front-door assembly53Remove the front-door assembly 2 Remove two screws callout 55Remove the front-door assembly 4 Remove the right-rear cover Right-rear cover58Remove the right-rear cover 2 Remove the rear cover Rear cover61Remove the right-door assembly 2 Right-door assembly63Remove the right-door assembly 4 Removal and replacement 65Remove the right-door assembly 6 67Remove the right-door assembly 8 Removal and replacement 68Remove the right-door assembly 9 Cassette feed guide Internal assemblies72Remove the secondary transfer assembly 2 Secondary transfer assemblyReinstall the secondary transfer assembly Remove the separation pad Tray Separation pad Tray78Remove the separation pad 4 Removal and replacement Enww Remove the RD sensor assembly Registration density RD sensor assembly84Remove the RD sensor assembly 4 86Remove the RD sensor assembly 6 Removal and replacement Carefully remove the assembly from the product Registration assembly 89Remove the registration assembly 2 Remove the registration assembly91Remove the registration assembly 4 Removal and replacement 93Remove the registration assembly 6 95Remove the registration assembly 8 Removal and replacement Remove the residual-toner-feed motor Residual-toner-feed motorRemove the residual-toner duct and feed assembly Residual-toner duct and feed assembly99Remove the residual-toner duct and feed assembly 3 Enww Remove the cartridge fan and environmental sensor Cartridge fan and environmental sensorEnww Enww Enww Toner-collection sensor and scanner-thermistor assembly Open the front-door assembly, and then remove one screw Remove the delivery fan Delivery fan112Remove the delivery fan 2 Removal and replacement Remove the delivery assembly Delivery assembly115Remove the delivery assembly 3 Removal and replacement Remove two screws 118Remove the delivery assembly 6 Remove the assembly 121Reinstall the delivery assembly 2 Reinstall the delivery assembly123Reinstall the delivery assembly 4 Removal and replacement Remove the duplex-drive assembly Duplex-drive assemblyRemove the power-supply fan Power-supply fanRemove the ICB Interconnect board ICB127Remove the ICB 2 Removal and replacement Remove the DC controller PCA only DC controller PCA onlyEnww Remove the low-voltage power supply Low-voltage power supply LvpsEnww 134Remove the low-voltage power supply 4 Enww Remove the DC controller PCA and tray DC controller PCA and trayRemove two screws Remove the high-voltage power supply lower High-voltage power supply lower HVPS-DRemove three screws 142Remove the high-voltage power supply lower 3 Release five tabs Reinstall the high-voltage power supply lower 146Remove the high-voltage power supply lower 7Remove the developing-disengagement motor Developing-disengagement motorRemove the exhaust fan and fan duct Exhaust fan and fan ductEnww 152Reinstall the exhaust fan and fan duct Reinstall the exhaust fan and fan ductRemove the pickup motor Pickup motorRemove the lifter-drive assembly Lifter-drive assemblyEnww Remove the lifter base assembly Lifter base assembly158Remove the lifter base assembly 2 Reinstall the lifter base assembly160Reinstall the lifter base assembly 2 Remove the tray-pickup drive assembly Tray-pickup drive assembly163Remove the tray-pickup drive assembly 3 Remove the tray-pickup assembly Tray-pickup assemblyEnww 168Remove the tray-pickup assembly 5 Removal and replacement Enww 172Remove the tray-pickup assembly 9 Removal and replacement 173Remove the tray-pickup assembly 10 Laser/scanner assembly Y/M 176Remove the laser/scanner assembly Y/M 2 Remove the laser/scanner assembly Y/MEnww 179Remove the laser/scanner assembly Y/M 5 Laser/scanner assembly C/Bk 181Remove the laser/scanner assembly C/Bk 2 Remove the laser/scanner assembly C/BkEnww Reinstall the protective glass cleaner PGC actuators 184Remove the laser/scanner assembly C/Bk 5187Reinstall the PGC actuators 3 Removal and replacement 189Reinstall the PGC actuators 5 Remove the high-voltage power supply upper High-voltage power supply upper HVPS-T191Remove the high-voltage power supply upper 2 Reinstall the high-voltage power supply upper Remove the yellow, magenta, cyan, and black drum motors Yellow, magenta, cyan, and black drum motorsFuser motor 194Remove the fuser motor Remove the fuser motorRemove the ITB motor ITB motorMain-drive assembly 197Remove the main-drive assembly 2 Removal and replacement Remove the main-drive assembly198Remove the main-drive assembly 3 Remove 10 screws Enww 203Reinstall the main-drive assembly 2 Reinstall the main-drive assemblyEnww Enww Enww Fuser-drive assembly Remove the fuser-drive assembly 212Remove the fuser-drive assembly 4 213Remove the fuser-drive assembly 5 Remove three screws Reinstall the fuser-drive assembly 215Remove the fuser-drive assembly 7Front door optional paper feeder Enww Rear cover optional paper feeder 220Remove the right-front cover optional paper feeder Right-front cover optional paper feederRight door optional paper feeder Enww Remove the left cover optional paper feeder Left cover optional paper feederEnww Remove the right cover optional paper feeder Right cover optional paper feederRemove the rear-right cover optional paper feeder Rear-right cover optional paper feederRemove the pickup assembly optional paper feeder Pickup assembly optional paper feeder231Remove the pickup assembly optional paper feeder 3 Enww Remove the lifter assembly optional paper feeder Lifter assembly optional paper feederRemove the lifter-drive assembly optional paper feeder Lifter-drive assembly optional paper feederRemove the pickup motor optional paper feeder assembly Pickup motor assembly optional paper feederRemove the controller PCA optional paper feeder Controller PCA optional paper feederSolve problems Solve problems checklist Solve problems checklist Print a menu map Menu map1Pre-troubleshooting checklist Troubleshooting processDetermine the problem source Pre-troubleshooting checklistCalibrate the product on Event log Information pages Image quality Interface Troubleshooting flowchart2Troubleshooting flowchart Power onPower-on timing approximate Power subsystemPower-on checks Power-on troubleshooting overviewEnww Understand lights on the formatter Tools for troubleshootingIndividual component diagnostics LED diagnosticsEngine diagnostics Heartbeat LEDDefeating interlocks Engine-test button Disable cartridge check3Engine-test button Paper-path testManual sensor test special-mode test 3Manual sensor diagnostic testsDefault state of bits Sensor or switch name Sensor or switch numberTOP top of page sensor C loop sensors Fuser delivery sensor Duplex re-pickup sensor Output bin full sensor Developer alienation Fuser pressure-release sensor Primary transfer-roller-disengagement sensor Enww 16 Media sensor Media sensorFront-door switch Right-door switch Manual sensor test 2 special-mode test 5Manual sensor test 2 diagnostic testsTest each switch individually Solve problems Tray 1 paper present sensor Tray 2 paper present sensor Tray 2 paper surface 1 and 2 sensors Tray 2 paper size switches Tray 3 paper surface 1 and 2 sensors Tray 3 paper size switchesTray 3 paper present sensor Tray 3 feed sensorTray 5 feed sensor Tray 4 paper size switchesTray 5 paper size switches Tray 5 paper present sensorEnww Defeating Enww Enww 25Test the new ITB sensor New ITB sensor26Test the right door switch Solve problems Tray 3, 4, and 5 right door switchSensor name Sensor number 7Paper-path sensors diagnostic testsPaper-path sensors test Print/stop testComponent tests Component test special-mode test8Component test details Alienation Motor Yellow Laser ScannerFuser Motor Fuser Pressure Release MotorRepeat Duplex Refeed Clutch SolenoidBlock diagrams Diagrams28Optional paper feeder 1 x 500-sheet 29Optional paper feeder 3 x 500-sheet 9Formatter PCA Plug/jack locationsDC controller connector locations Location of connectors10DC controller connectors 11Controller PCA connectors 32Controller PCA connectors33External component locations Locations of major components34Major component locations 1 35Major component locations 2 36Major component locations 3 Ite Description 11 938PCA component locations 39Optional paper feeder 1 x 500-sheet component locations 1 40Optional paper feeder 1 x 500-sheet component locations 2 41Optional paper feeder 3 x 500-sheet component locations 1 42Optional paper feeder 3 x 500-sheet component locations 2 Timing chart General timing chartGeneral circuit diagram 1 Circuit diagramsControl Paper feeder circuit diagram 1 X 500-sheet Paper feeder circuit diagram 3 X 500-sheet HP Easy Printer Care Open the HP Easy Printer Care softwareHP Easy Printer Care software sections Overview and Support tabs Settings tabSection Options Support tab HP Proactive SupportColor Access Control Section Options Alert Settings linkInternal print-quality test pages Print-quality-troubleshooting pagesYellow Green 51Black print-quality troubleshooting Diagnostics DiagnosticsCreate and use the cleaning CleaningConfiguration ConfigurationMemory Event log Security Paper trays and options HP embedded Jetdirect Security Settings information54 Embedded protocol Embedded protocolFinding important information on the configuration pages 12Important information on the configuration pagesColor-band test Repetitive defects ruler Print-quality troubleshooting toolsCalibrate the product Retrieve job menu Control panel menusControl panel menus Show Me How menuEnww Delete When Print or Print and Delete isALL Jobs no PIN Print Hold jobs, Print and Delete isPaper handling menu Information menuManage supplies menu Transfer KIT Stop Color Cartridges StopContinue Print in BlackBlack Cartridge Transfer KIT User Defined LOW Yellow CartridgeMagenta Cartridge Cyan CartridgePrinting menu Configure device menuPrint PS Errors OFF Default Paper SizeDefault Custom Paper Unit of Measure Size DimensionPCL sub-menu Print Quality menu X2 Shift Mode ExpandedX1 Shift Y1 ShiftNOW Delay Adjust PaperPrint Mode Restore OptimizeEdge Control OFF Auto Cleaning OFFCleaning Auto Cleaning LetterSelect the Create Cleaning CreateProcess System setup menu First PS Defer Media EnabledDisabled USE Requested Tray ExclusivelyAlternative USE Another Tray EnabledLetterhead Mode OFF Sleep Delay MinuteUsage Save Energy Wake TimeCustom Optimum SPEED/ENERGY Faster FirstLanguage JAM Recovery AutoAuto Continue OFF RAM Disk Auto13Embedded Jetdirect menu MenuDefault IP Auto IP IPV4 Settings Config Method BootpSettings Subnet Mask DefaultPrimary DNS IPV6 Settings EnableSettings Dhcp RenewOFF DLC/LLC Enable Idle TimeoutIPX/SPX Enable Appletalk EnableDiagnostics Embedded Tests DisableReset Reset Security YESTests Snmp Test YESData Path Test YES Select ALL YESPackets Print Results YESPing Results Packets SentLink Speed Auto 10T Half 10T Full 100TX Half 100TX Full Refresh YESDiagnostics menu Resets menuTray Paper Path SensorsPaper Path Test Source ALL TraysColor Band Test Print Test Service menuProduct PINs Voltage power supplyXX values Interpret control-panel messagesControl-panel message types Control-panel messages13.XX.YY JAM in Lower Right Door 13.XX.YY Fuser Area JAM13.XX.YY Fuser Wrap JAM 13.XX.YY JAM Above TOP Output BINParallel Serial Buffer Transfer Unit ErrorEmbedded I/O Buffer Overflow Parallel I/O Buffer OverflowXxxx Error Fuser ErrorTo continue turn off then on See Fuser on XY Error XX Error55.XX.YY DC Controller Error See DC controller PCA and tray ErrorDescription Recommended action Error Replace Toner Collection Unit 59.A0 ErrorBO Cleaning Motor Error 59.C0 Error59.F0 Error Values No SystemPermanent Storage Full Changed Storage Error Settings8X.YYYY EIO Error 8X.YYYY Embedded Jetdirect ErrorBlack Cartridge Very LOW Calibration Reset PendingBlack Cartridge LOW Black Cartridge LOW Less than Xxxx PagesCard Slot File System is Full Cleaning Disk X% CompleteCard Slot Device Failure Card Slot File Operation FailedCollection Unit Almost Full Cleaning Cyan Cartridge LOWClose Lower Right Door Close Right DoorEIO X Disk Initializing Cyan Cartridge Very LOWData Received DATE/TIME = YYYY/MMMM/DD HhmmExpected Drive Missing HP Secure Drive DisabledEIO is Write Protected EIO not InitializedInstall Transfer Unit Install Color CartridgeInstall Fuser Install SuppliesMedia insert required in tray Magenta Cartridge Very LOW Loading ProgramMagenta Cartridge LOW Magenta Cartridge LOW Less than Xxxx PagesPrinting Stopped NON HP Supply InstalledMoving Solenoid Moving Solenoid and MotorRAM Disk is Write Protected RAM Disk Device FailureRAM Disk File Operation Failed RAM Disk File System is FullReplace Fuser KIT Replace Supplies Using black onlyRemove Shipping Sheet Replace Color CartridgeROM Disk Device Failure Replace Transfer KITSanitizing Disk X% Complete ROM Disk File Operation FailedROM Disk File System is Full ROM Disk is Write ProtectedSupplies Very LOW Supplies LOWManage Supplies menu on Printing Black onlyTransfer KIT LOW Less than Xxxx Pages Toner Collection Unit LOWToner Collection Unit Very LOW Transfer KIT LOWTray X Overfilled Tray X Type SizeTray X Empty Type Size Tray X OpenUSB Accessory not Functional Unsupported Drive InstalledUnsupported Supply Installed USB Accessory ErrorYellow Cartridge LOW Wait for Printer to ReinitializeWaiting for Tray X to Lift Warming UPYellow Cartridge Very LOW To continue press OK Yellow Cartridge Very LOWEvent log messages Print an event logShow an event log Clear the event log Sample event logEvent log message Description Comments Event log message tableQuick Calibrate NOW, Configure DEVICE, and thenThen press theOK button DC controller Nvrm is not Reading the header number and size 99.00.08 Clear paper jams Common causes of jamsProduct is jammed ITB Jam code 15Common causes of jams by areaJam locations Type of jam Procedure13.XX.YY JAM in Optional Trays Clear jams in the right doorEnww Enww Clear jams in Tray Clear jams in the output bin areaEnww Clear jams in Tray 2 or optional Trays 3, 4, or Clear jams in the lower right door Tray 3, 4, or Jam causes and solutions Jams in the output binJams in the fuser and transfer area 19Causes and solutions for fuser delivery stationary jams 21Causes and solutions for pickup delay jams 20Causes and solutions for residual media jams22Causes and solutions for pickup stationary jams 23Causes and solutions for duplexing reverse jams24Causes and solutions for duplex repick jams Right-door assembly on 25Causes and solutions for residual media jamsJams in Tray 1, Tray 2 and internal paper path 26Causes and solutions for pickup delay jam 1 tray pickupJams in Tray 3, 4, 27Causes and solutions for pickup stationary jams29Causes and solutions for residual media jams Set the jam recovery feature Change jam recoveryProduct pulls from incorrect tray Solve paper-handling problemsProduct feeds multiple sheets Product feeds incorrect page sizePaper does not feed from Tray 2, 3, 4, or Paper does not feed automaticallyPaper does not feed from Tray 2, 3, 4, or Paper does not feed automaticallyEnvelopes jam or will not feed in the product Transparencies or glossy paper will not feedEnvelopes jam or will not feed in the product Transparencies or glossy paper will not feedOutput is curled or wrinkled Product will not duplex or duplexes incorrectlyOutput is curled or wrinkled Under Installable Options, click Update Now Automatic Configuration listProperties or Printing Preferences 30MP modes under the Adjust Paper Types sub menu PRE-ROTATION ModeUse manual print modes 31MP modes under the Optimize submenu Solve image-quality problems Problem Sample Cause SolutionImage defects table Transfer belt ITB on Assembly Y/M on page 186 or Power supply lower HVPS-D Assembly. See Secondary transfer Execute a Pressure roller clean Clean the product Clean the paper pathClean the product Problem Cause Solution Solve performance problemsSolve connectivity problems Solve direct-connect problemsSolve network problems Solve connectivity problems Service menu Service mode functionsRefurbish page Count Refurbish Cycle CountSerial Number Media Sensor Value Service IDCold Reset Paper NEW Registration RollerNvram initialization Product resetsRestore factory-set defaults Hard disk initialization optionalProduct cold reset Product updatesParts and diagrams Order parts, accessories, and supplies Memory AccessoriesPart numbers Print cartridges and toner collection unitService maintenance kits 1Maintenance kitsCustomer self repair CSR parts Unique components 2110V and 220V unique components3Simplex and duplex unique components 4Common fasteners ScrewsHow to use the parts lists and diagrams 1External covers, panels, and doors External covers, panels, and doorsDescription Part number Qty 5External covers, panels, and doors2Right door assembly Right door assembly6Right door assembly Front door assembly 7Front door assembly Internal components 1 Internal components8Internal components 1 Internal components 2 9Internal components 2 6Internal components 3 Internal components 310Internal components 3 Internal components 4 11Internal components 4 8Internal components 5 Internal components 512Internal components 5 Simplex Model Duplex Model Internal components 613Internal components 6 10Internal components 7 Internal components 714Internal components 7 Cassettes Cassettes15 Cassette Paper pickup assembly 16Paper pickup assembly 13Tray 1 paper pickup assembly Tray 1 paper pickup assembly17Tray 1 paper pickup assembly Simplex Model Duplex Model 18Registration assembly 15Secondary transfer assembly 19Secondary Transfer assembly 16Delivery assembly 20Delivery assembly Fuser assembly Fuser assembly21Fuser assembly 18 PCAs PCAs22 PCAs Assessories Paper feedersPaper feeders 23Paper feeders 1x500 3x500 Paper feeder external covers, panels, and doors24Paper feeder external covers, panels, and doors 500 paper feeder main body 500 paper feeder main body251 X 500 paper feeder main body 223 X 500 paper feeder main body 263 X 500 paper feeder main body 27Alphabetical parts list Alphabetical parts listAlphabetical parts list Delivery assembly Fuser drive assembly, simplex RM1-6702-000CN Paper pickup assembly Tray 1 paper pickup assembly Shutter arm assembly RM1-5585-000CN Upper main cable assembly RM1-5800-000CN 28Numerical parts list Numerical parts listRC2-4218-000CN Tray, waste toner catch Enww RK2-2604-000CN Flat flexible cable DCC to Hvps lower RM1-5520-000CN Cover, inner RM1-5781-000CN High voltage power supply, upper Enww WC2-5637-000CN Switch, push Enww Service and support Hewlett-Packard limited warranty statement Page HP Color LaserJet Fuser Kit Limited Warranty Statement Transfer End User License AgreementEnww Customer self-repair warranty service Customer support Product specifications Table B-1Product dimensions Physical specificationsPerformance specifications Electrical specificationsTable B-4Power consumption average, in watts1246 Acoustic specificationsEnvironmental specifications Table B-3Power requirementsTable B-6Media registration and image placement accuracy Skew specificationsRegulatory information FCC regulations Environmental product stewardship program Non-U.S. returns Return and recycling instructionsPaper United States and Puerto RicoMaterial restrictions Chemical substancesHP Color LaserJet Enterprise CP4020-CP4520 Series Material Safety Data Sheet Msds For more information Declaration of Conformity Power cord statement Japan Safety statementsLaser safety Vcci statement Japan Power cord instructionsVaroitus GS statement Germany Cabinet/stand Symbols/NumericsDhcp See also jams Nvram See also counts Enww Recycling Enww See also cassette Enww Page CC489-90936* *CC489-90936