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HP Enterprise 500 manual Paper size detection and cassette presence detection

Models: Enterprise 500

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Paper size detection and cassette presence detection

The paper-feeder cassette media-size switch (SW1) detects the size of paper loaded in the paper-feeder cassette. The paper-feeder driver determines the media size by monitoring the combination of the switches.

Figure 1-49Paper size detection

	Table 1-19		Paper size detection

		Paper size		Paper-feeder cassette media-size switch settings

				Top switch	Center switch	Bottom switch

62		Universal		On	On	On	ENWW
62	Chapter 1 Theory of operation						ENWW

Image 98

HP Enterprise 500 manual Paper size detection and cassette presence detection

Contents

Laserjet Enterprise 500 Color Page HP LaserJet Enterprise 500 color M551 Printers Copyright and License Conventions used in this guide Conventions used in this guide Table of contents Removal and replacement Vii Enww Enww Solve problems 237 Enww 395 Xiii Upgrade not performed error reading upgrade 435 Enww 457 Xvii Parts and diagrams 525 Appendix a Service and support 575Appendix B Product specifications 587 Appendix C Regulatory information 589Index 601 List of tables 484 Xxiii Xxiv List of figures Xxvi 22 Remove the pickup roller Tray 1 2 70 Remove the right front cover 1 118 104 Remove the residual toner feed motor 6 141 145 Remove the developing disengagement motor 2 171 186 Reinstall the PGC actuators 2 199 233 Remove the drawer connector optional paper feeder 236 35 Component locations 5 290 Xxxiv Theory of operation Basic operation 1Relationship between the main product systemsPeriod Duration Description Sequence of operation1Sequence of operation Engine control system 2Engine control system3DC controller block diagram DC controllerClutches SwitchesSolenoids Component abbreviation Component nameSensors Motors and fansMotors Abbreviation Name Purpose Type Failure detection6Motors Abbreviation Name Cooling area Type SpeedCircuit Description High voltage power supply8High voltage power supply circuits Paper Low voltage power supply 5Low voltage power-supply circuit9Converted DC voltages Main DC voltage Sub-voltage BehaviorPower supply voltage detection SafetySleep powersave mode Low voltage power supply failure10Fuser components Power off conditionFuser control Type of component Abbreviation Name FunctionFuser temperature control circuit 7Fuser temperature control circuitFuser over temperature protection Fuser failure detection Laser/scanner system 8Laser/scanner systemEnww Image formation system 9Image formation systemFunctional block Steps Description Image formation process11Image formation process Pre-exposure Primary chargingLaser-beam exposure DevelopmentPrimary transfer Secondary transferFusing SeparationPrint cartridge ITB cleaningDrum cleaning Enww Developing roller engagement and disengagement 22Developing-roller engagement and disengagement controlEnww Intermediate transfer belt ITB unit 23 ITB unitPrimary-transfer-roller engagement and disengagement 12Primary-transfer-roller engagement statesRoller state Product state Enww 25ITB cleaning process Calibration Color misregistration controlImage stabilization control Description Image stabilization control13Image-stabilization controls Pickup, feed, and delivery system Abbreviation ComponentSR10 Fuser motor 30Three main units of the pickup, feed, and delivery system Pickup-and-feed unit 31Pick feed mechanism Theory of operationCassette pickup 32Cassette-pickup mechanismCassette presence detection 33Cassette presence sensor Theory of operationCassette lift operation 34Cassette lift mechanismCassette paper presence detection 35Paper level detection mechanism Theory of operationCassette media width detection 36Cassette media width detectionMultifeed prevention 37Multifeed preventionMultipurpose tray pickup 38Multipurpose tray pickup mechanismPaper feed 39Paper-feed mechanism Theory of operationSkew-feed prevention 40Skew-feed preventionFusing and delivery unit OHT detectionLoop control 42Loop-control mechanismPressure-roller pressurization control Fuser motorDuplexing unit duplex models 44Duplexing unitDuplexing reverse and feed control Duplex pickup operationJam Description Jam detection17Jams that the product detects Fuser delivery delay jam Optional paper feeder 18Electrical components for the paper feeder Component Abbreviation Component name TypePaper-feeder pickup and feed operation 48Paper-feeder pickup and feed operationPaper size detection and cassette presence detection Paper size detection19Paper size detection Paper feeder cassette lift operation 50Paper-feeder cassette lift Theory of operationEnww Paper feeder presence detection Paper-feeder multiple feed prevention 51Paper-feeder multiple feed preventionPaper feeder jam detection Removal and replacement Removal and replacement strategy IntroductionElectrostatic discharge Required tools After performing service Service approachBefore performing service Post service testParts removal order SSD3Parts removal order 2 Customer self repair CSR components Print cartridges5Remove the print cartridge 2 7Remove the duplex reverse guide 2 Removal and replacement Duplex reverse guideToner collection unit 9Remove the toner collection unit 210Remove the toner collection unit 3 Formatter PCA ESD sensitive componentBefore proceeding, remove the following components Disk drivesRemove the HDD 14Remove the HDD 2 Remove the SSM Install a replacement hard drive Reload the firmwareTray cassette Fuser Pickup roller Tray Pickup roller Tray 26Remove the pickup roller Tray 2 4 Removal and replacement Pickup and feed rollers Tray 27Remove the Pickup and feed rollers Tray 3 1Enww Separation roller Tray Secondary transfer roller Reinstall the transfer roller 33Reinstall the transfer rollerSecondary transfer assembly Reinstall the secondary transfer assembly 37Reinstall the secondary transfer assemblyIntermediate transfer belt ITB Enww Right door optional paper feeder 43Remove the right door optional paper feeder 3 Covers Identification and locationFront door assembly Cover on46Remove the front door assembly 2 Removal and replacement Right door assembly 48Remove the right door assembly 250Remove the right door assembly 4 Removal and replacement 52Remove the right door assembly 6 54Remove the right door assembly 8 Removal and replacement Right rear cover Enww Left cover Remove the left cover61Remove the left cover 4 Removal and replacement Left bottom cover Remove the left bottom coverLeft bottom handle Remove the left bottom handleHardware integration pocket HIP dn and xh models only Control panel assembly Enww Right front cover Remove the right front coverEnww 74Remove the right front cover 5 Removal and replacement Reinstall the power button 75Reinstall the power buttonFront top cover Remove the front top coverEnww Rear cover and upper rear cover Remove the rear cover and upper rear cover80Remove the rear cover and upper rear cover 3 Enww Rear top cover Remove the rear top cover83Remove the rear top cover 2 Removal and replacement Right bottom handle Remove the right bottom handleRear bottom handle Remove the rear bottom handleInternal assemblies Delivery fan, cartridge fan, and environmental sensorDisconnect five connectors callout Enww Enww Release one tab callout Toner collection sensor Remove the toner collection sensor97Remove the toner collection sensor 3 Residual toner feed motor Remove the residual toner feed motor101Remove the residual toner feed motor 3 Enww 105Remove the residual toner feed motor 7 Reinstall the residual toner collection door Registration density RD sensor assembly Remove the RD sensor assembly109Remove the RD sensor assembly 3 Removal and replacement 111Remove the RD sensor assembly 5 112Remove the RD sensor assembly 6 Removal and replacement Power supply fan and fan duct Remove the power supply fan and fan duct115Remove the power supply fan 3 Removal and replacement 116Remove the power supply fan 4 Registration assembly Remove the registration assembly119Remove the registration assembly 3 Remove three screws callout 123Remove the registration assembly 7 Enww Lower pickup guide Remove the lower pickup guideEnww Reinstall the lower pickup guide Interconnect board ICB Remove the ICBEnww ESD sensitive part DC controller PCA and trayRemove the DC controller PCA Enww Enww Remove the low voltage power supply 132Remove the low voltage power supply 1Enww Remove two screws callout Remove the assembly High voltage power supply lower HVPS-D Remove the high voltage power supply lowerEnww 142Remove the high voltage power supply lower 4 Reinstall the high voltage power supply lowerDeveloping disengagement motor Remove the developing disengagement motor145Remove the developing disengagement motor 2 Pickup motor Remove the pickup motorLifter drive assembly Remove the lifter drive assemblyEnww Automatic close assembly Remove the automatic close assemblyCassette pickup drive assembly Remove the cassette pickup drive assembly152Remove the cassette pickup drive assembly 3 Enww 156Remove the cassette pickup drive assembly 7 Enww 159Remove the cassette pickup drive assembly 10 Reinstall the cassette pickup drive assemblyMake sure that the spring callout 1 is correctly installed Cassette pickup assembly Remove the cassette pickup assembly 165Remove the cassette pickup assembly 3 Laser/scanner assembly Y/M Remove the laser/scanner assembly Y/MEnww Enww 172Remove the laser/scanner assembly Y/M 7 Enww 176Remove the laser/scanner assembly Y/M 11 Enww Laser/scanner assembly C/Bk Remove the laser/scanner assembly C/Bk Enww Enww 183Remove the laser/scanner assembly C/Bk 6 184Remove the laser/scanner assembly C/Bk 7 Reinstall the protective glass cleaner PGC actuators187Reinstall the PGC actuators 3 189Reinstall the PGC actuators 5 Removal and replacement High voltage power supply upper HVPS-T Remove the high voltage power supply upper 193Remove the high voltage power supply upper 4 Enww Reinstall the high voltage power supply upper 195Reinstall the high voltage power supply upperDrum motor Remove the drum motor Drum motor 2 or drum motor Remove the drum motor 2 or drum motor 197Remove the drum motor 2 or drum motorFuser motor Remove the fuser motor 198Remove the fuser motorMain drive assembly Remove the main drive assembly Enww 204Remove the main drive assembly 6 205Remove the main drive assembly 7 Removal and replacement Reinstall the main drive assembly 206Reinstall the main drive assembly 1Slowly rotate the shaft near the black cam 210Reinstall the main drive assembly 5 Enww 214Reinstall the main drive assembly 9 Enww Fuser drive assembly Remove the fuser drive assembly Enww 222Remove the fuser drive assembly 6 Removal and replacement Reinstall the fuser drive assembly 223Reinstall the fuser drive assemblyDelivery assembly Remove the delivery assembly 225Remove the delivery assembly 2227Remove the delivery assembly 4 Removal and replacement 228Remove the delivery assembly 5 Reinstall the delivery assembly Duplex drive assembly Remove the duplex drive assembly Optional paper feeder assembly Tray Drawer connectorRemove one connector callout Solve problems Solve problems checklist Solve problems checklist Menu map Print the menu mapsCurrent settings pages Print the current settings pagesCold reset using the Preboot menu Preboot menu optionsAccess the Preboot menu Troubleshooting flowchart Troubleshooting processDetermine the problem source 1Troubleshooting flowchartPower-on troubleshooting overview Power subsystemPower-on checks Enww LED diagnostics Tools for troubleshootingIndividual component diagnostics Understand lights on the formatter2Heartbeat LED, product initialization Formatter to control panel communication interruptionsHeartbeat LED, product initialization Preboot menu 49.XX.YY error orConnectivity LED, product operating 3Heartbeat LED, product operationalConnectivity LED Connectivity LED, product initialization4Connectivity LED, product initialization If the error persists, perform a firmware upgrade HP Jetdirect LEDs 5Connectivity LED, product operationalEngine diagnostics Defeating interlocks2Diagnostic test 2 Disable cartridge check Administration Troubleshooting Diagnostic TestsEngine test button 4Engine-test buttonPaper path test Paper path sensors test6Paper-path sensors diagnostic tests Sensor name Sensor numberManual sensor test 7Manual sensor diagnostic testsSensor or switch name Sensor or switch number Registration sensor Fuser loop sensors Open the right door Lower the secondary transfer assembly Fuser output sensorDuplexer refeed sensor Output-bin full sensor Fuser pressure-release sensor ITB alienation sensor Enww Right- and front-door interlock switches Enww 8Manual sensor test 2 diagnostic tests Tray/bin manual sensor testTray 1 paper sensor Tray 2 paper sensor Tray 2 cassette sensor Tray 2 cassette lifter sensor Tray 3 empty sensor Tray 3 media feed sensor Tray 3 stack surface sensor Print/stop test Tray 3 media size sensors9Component test details Component testsComponent test special-mode test ITB Contact/Alienation Fuser Pressure Release MotorAlienation Motor TCU MotorDiagrams Block diagrams10Sensors Location of connectors DC controller PCAPaper feeder driver PCA 30Paper feeder driver PCABase product Plug/jack locationsLocations of major components 32Component locations 2 33Component locations 3 Solve problems 34Component locations 4 2219 PCAs, motors, fans, switches, solenoids, and clutches Location Connector Component Component name Abbreviation13PCAs, motors, fans, switches, solenoids, and clutches Location Connector Component abbreviation Component name 500 paper feederGeneral timing chart Timing chartCircuit diagrams Inter40 Paper feeder circuit diagram Print quality troubleshooting pages Internal print-quality test pagesYellow Green 44Black print-quality troubleshooting Print quality assessment Enww Set up an auto cleaning CleaningProcess a cleaning Configuration Configuration45Configuration Security Settings information HP embedded JetdirectAccessories and internal storage Finding important information on the configuration pages14Important information on the configuration pages Diagnostics menuColor band test Print quality troubleshooting tools Repetitive defects rulerCalibrate the product 15Sign In menu Control panel menusSign In menu Retrieve Job From USB menu CancelRetrieve Job From USB menu Select a File or FolderAll Jobs With PIN Menu options include Retrieve Job From Device Memory menuRetrieve Job From Device Memory menu 17Retrieve Job From Device Memory menu CopiesDelete Select Copies fieldDelete is Delete Enter Pin toDelete Delete All Job withoutPrint Copies JobsSupplies menu 18Supplies menuLow Threshold SettingsColor Cartridges Very Low Stop Settings Prompt to Continue Yellow Cartridge Settings Magenta Low Threshold CartridgeLow Threshold Cyan Cartridge Settings Specify Settings Prompt to Color/Black Mix Mostly BlackMostly Color Pages Color Pages ifLevel Gauge Reset Supplies New Fuser Kit YesOff Messages menu to Enww Manage Trays Use Requested Tray Exclusively First Trays menuFirst level Second level Values 19Trays menu Mode Enabled DisabledAlternative Letterhead Disabled Image Rotation Standard AlternateTray 2 Size Tray 1 SizeTray 1 Type Tray 2 Type20Reports menu Administration menuReports menu Guide for matching printed colors General Settings menu General Settings menuFirst level Second level Third level Fourth level Values 21General Settings menuWake/Auto On All Events Network port Power button Only AfterEnww Midtones are the middle-range color- values in an image Restore Color Registration X1 Shift Mm to Y1 Shift X2 Shift Default = Y2 Shift Transparency Adjust PaperPrint Mode SensingDown Humidity Mode Normal HighPre-Rotation Off Mode Paper Curl Mode Normal ReducedStandard. Smooth settingSmooth Heavy Paper StandardBackground Normal Alternate Low VoltageTray Normal Alternate Alternate 3 setting Alternate 1 settingAlternate 2 setting Alternate 2 settingsFuser Temp Normal Alternate Enww Jam Recovery Auto Off Manage Stored Quick Copy Job Held Timeout HourDefault Folder Manage StoredEnww Retrieve From USB Settings menu Retrieve From USB Settings menuGeneral Print Settings menu General Print Settings menu23General Print Settings menu Font Point Size Range 4.00 Default = Setting is 0.44 to 99.99.Factory default setting is Symbol SetDefault Print Options menu 24Default Print Options menuEnww Jobs. If Book-style Edge to Edge Enabled DisabledFlip-style Display Settings menu Display Settings menu26Manage Supplies menu 25Display Settings menuManage Supplies menu Stop The product stops until you replace the print cartridge Enww Different percentage for each color Low. Continuing to Unit Settings Prompt toCause an error Print withoutSettings Color/Black Mix Auto Supply Messages Low Message Off Reset Supplies New Fuser KitPages Black Pages if Manage Trays menu 27Manage Trays menuBlank Pages Auto Yes Override A4/Letter First level Values Description Use Another Tray EnabledAlternative Letterhead Mode Disabled Jetdirect Menu Network Settings menu28Network Settings menu 29Jetdirect Menu IPv4 Settings Config Bootp MethodManual Settings menu to configure TCP/ IPv4 parameters Auto IPEnww Xxx.xxx.xx.x Dhcp Renew YesPrimary DNS SecondaryEnww Router Router Policy SpecifiedUnavailable Unavailable IfIdle Timeout Proxy PortSecurity Required Disable IPSec802.1x Reset OptionalReset Security Yes Diagnostics Embedded LAN HW Test Yes Tests TCP/IPData Path Test Yes Http Test YesSnmp Test Yes Execute Yes ExecutionTime 127.0.0.1 Dest IPv6 IPv6Dest IPv4 Packet SizePackets Print Results Yes ExecutePing Results Packets Sent ReceivedRTT Average RTT MinRTT Max Enww 10T Half 100TX Half or10T Half is set 10T FullExit Troubleshooting Print Event Log Troubleshooting menu30Troubleshooting menu Print Paper Path Print Quality Print PQ Pages TroubleshootingPrint Diagnostic Select Print Test Sensors CheckPaper Path Start Test Paper Path Test Print TestTest Number of Copies Range 1 Default =Manual Sensor Manual Tray/BinRepeat Off Print/Stop Test Calibrate/Cleaning menu Device Maintenance menuBackup/Restore menu 31Backup/Restore menuProduct automatically Delay Calibration at Yes Wake/Power On First level Second level Values Description Full CalibrationUSB Firmware Upgrade menu Label missing 10.0X.Y0 Supply memory errorMemory error 10.22.52 10.22.5010.22.51 10.23.5010.23.60 10.23.5110.23.52 Printing past very low10.XX.40 Genuine HP supplies installed 10.XX.34 Used supply in use10.XX.41 Unsupported supply in use 10.XX.70 Printing past very low10.YY.15 Install supply 10.YY.25 Wrong cartridge in color slot10.YY.35 Incompatible supply 13.A3.D3 YY Internal clock error13.00.00 13.A3.FF13.B2.A3 13.B2.A113.B2.A2 13.B2.D113.WX.FF 13.D3.DZ13.WX.EE 13.WX.YZ Fuser area jam 13.WX.YZ Fuser wrap jam 13.WX.YZ Jam below control panel 13.WX.YZ Jam in middle right door13.WX.YZ Jam in right door 13.WX.YZ Jam in TrayInsufficient memory To continue, press OK Too complex32.08.XX 32.1C.XXEnww Recommended action Enww 32.21.00 33.XX.YY Used board/disk Error33.XX.YY YZ Unexpected size in tray YZ Unexpected type in trayLBP OHT YZ Error To continue, press OK Enww 47.01.XX 42.XX.YY47.00.XX 47.02.XX47.04.XX 47.WX.YZ Printer calibration error To continue, press OK47.03.XX 47.05.0047.FC.23 49.XX.YY To continue, turn off then on 50.WX.YZ Fuser error To continue, turn off then on Enww Enww YY Error XX To continue, turn off then on54.XX.YY Error Recommended action 54.00.0354.0X.0D or 54.0X.0E YY Error To continue, turn off then on YY DC controller error To continue, turn off then on55.0X.YY DC controller error To continue, turn off then on 57.00.0Y Error To continue, turn off then on 58.00.0459.05.XX Recommended action 59.00.04 or60.00.0Y Tray Y lifting error 59.05.08 orNo system To continue, turn off then on Error To continue, turn off then on61.00.01 81.0X.YY Embedded JetDirect error Corrupt data in firmware volumeCorrupt data in job data volume Corrupt data in solutions volumeCorrupt data in configuration volume Upgrade not performed file is corruptUpgrade not performed timeout during receive Upgrade not performed error writing to diskUpgrade not performed error reading upgrade Upgrade canceled by userUpgrade not performed the file is invalid 99.00.2X Incorrect disk Unsupported diskUnknown disk Disk malfunctionDisk is not bootable please download firmware Disk data errorNo disk data installed 99.XX.YYSupply low or Supplies low Binname Full Remove all paper from binSupply almost full Supply very low or Supplies very low File System file operation failed To clear, press OK Tray X liftingFile System device failure To clear, press OK File System file system is full To clear, press OKAccept bad signature File System is not initializedFile System is write protected Bad optional tray connectionCanceling... jobname Calibration reset pendingCanceling Checking engineClearing event log Cleaning do not grab paperChosen personality not available To continue, press OK Clearing paper pathClose lower right door Creating cleaningClose front door Close upper right doorEIO X disk initializing HP Secure Hard Drive disabledData received To print last page, press OK Event log is emptyIncompatible supply Incompatible suppliesInstall Fuser Unit Install supplyInstall supply Close rear door Internal disk not functional Install suppliesInstall Transfer Unit Load Tray X Type, Size To use another tray, press OK Internal disk spinning upLoad Tray X Type, Size Moving solenoid Manually feed Type, SizeManually feed Type, Size To use another tray, press OK Paused No job to cancelMoving solenoid and motor Performing Color Band TestPlease wait Printing ConfigurationPrinting Diagnostics Printing Cmyk samplesPrinting File Directory Printing Engine TestPrinting Event Log Printing Font ListPrinting Menu Map Printing PQ TroubleshootingPrinting Help Printing RegistrationProcessing duplex job Do not grab paper until job completes Printing Supplies StatusPrinting Usage ProcessingReady IP Address Processing... copy X of YReady Remove all print cartridgesRemove shipping lock from Tray Replace supplyReplace Supplies Rotating color motor Restore Factory SettingsRestricted from printing in color Rotating motorSupplies in wrong positions Sleep mode onSize mismatch in Tray Tray X empty Type, Size Tray X openTray X overfilled TroubleshootingUnsupported drive installed To continue, press OK Type mismatch TrayUnsupported tray configuration Unsupported USB accessory detected Remove USB accessoryUSB accessory not functional Wrong cartridge in color slot Event log messages 48Sample event logPrint an event log Print the event log from the Administration menuPrint the event log from the Service menu View an event log View an event log from the Administration menuViewing the event log from the Service menu Clear an event logCommon causes of jams Product is jammed Cause SolutionClear jams Jam locations 49Jam locationsClear jams in Tray Enww Clear jams in the output bin area Clear jams in Tray Clear jams in the right door Enww Enww Enww Enww Clear jams in the lower right door Tray 34Causes and solutions for fuser delivery delay jams Jam causes and solutions33Causes and solutions for delivery delay jam Jams in the output bin37Causes and solutions for residual media jams 35Causes and solutions for wrapping jams36Causes and solutions for fuser delivery stationary jams 38Causes and solutions for pickup delay jams PCA39Causes and solutions for pickup stationary jams Jams in the duplex area duplex models 40Causes and solutions for duplexing reverse jams41Causes and solutions for duplex repick jams Jams in Tray 1, Tray 2 and internal paper path 42Causes and solutions for residual media jams43Causes and solutions for pickup delay jam 1 tray pickup 44Causes and solutions for pickup stationary jams 45Causes and solutions for pickup delay jam 1 MP tray pickupJams in Tray Change jam recovery Paper does not feed automatically Cause Solution Solve paper handling problemsProduct feeds multiple sheets Cause Solution Product feeds multiple sheetsOr, change the Manually Feed Prompt setting to Unless Use manual print modes Select a manual print mode47Print modes under the Adjust Paper Types sub menu 48MP modes under the Optimize submenu Uniformity Control TrayBackground Fuser TempImage defects table Solve image quality problemsProblem Sample Cause Solution Image defects table49Image defects table Clean the window and remove any Replace the high-voltage power Dirty, replace the ITB Execute a Pressure roller clean Set up an auto cleaning Clean the productClean the paper path Problem Cause Solution Solve performance problems50Solve performance problems Solve network problems Solve connectivity problemsSolve direct connect problems Enww Service mode functions Service menuCleaning Service IDCold Reset Paper Clear Event LogRestore factory-set defaults values Product resetsRestore factory-set defaults Active and repository firmware locations Clean Disk and Partial Clean functionsProduct cold reset Reasons for performing Partial Clean Partial CleanCharacteristics of a Partial Clean Execute a Partial CleanExecute a Clean Disk Clean DiskReasons for performing Clean Disk Enww 51Preboot menu options 1 SignPassword Clear Clean DiskPartial Clean Password52Preboot menu options 2 External 53Preboot menu options 3Device 54Preboot menu options 4 55Preboot menu options 5 Reset Password 56Preboot menu options 5Service Tools Jetdirect OffPerform a firmware upgrade Product updatesDetermine the installed revision of firmware Embedded Web ServerUSB storage device Preboot menu USB storage device control-panel menu Enww Parts and diagrams Order parts, accessories, and supplies Print cartridges and toner collection unit AccessoriesPart numbers MemoryCustomer self repair CSR and service kits Simplex Common fasteners How to use the parts lists and diagramsScrews How to use the parts lists and diagrams Simplex model Duplex model See Right-door assembly External covers, panels, and doors Description Part number QtyRight-door assembly Right-door assembly Internal assemblies 1 3Internal assemblies 14Internal assemblies 1 Internal assemblies 2 4Internal assemblies 25Internal assemblies 2 Internal assemblies 3 501 25 266Internal assemblies 3 Internal assemblies 4 6Internal assemblies 47Internal assemblies 4 Internal assemblies 5 7Internal assemblies 58Internal assemblies 5 Cassette Cassette Description Part number Qty Cassette RM1-8125-000CNPaper pickup assembly 9Paper pickup assemblyPaper pickup assembly PCAs 10 PCAsPCAs Assessories 500-sheet paper feeder500-sheet paper feeder 12Paper feeder covers Parts and diagrams Paper feeder coversPaper feeder covers 13Paper feeder main body Parts and diagrams Paper feeder main bodyPaper feeder main body Paper feeder cassette 14 CassetteCassette 15Paper feeder PCA Parts and diagrams Paper feeder PCARM1-5839-000CN Paper feeder PCAPart number Qty Description Part number Alphabetical parts list17Alphabetical parts list PCAs on Duplexing unit cable assembly RM1-5730-000CN Paper pickup assembly Paper feeder PCA Spring, compression RU6-2316-000CN Part number Description Numerical parts list18Numerical parts list RC2-5426-000CN Cover, front right Part number Description RM1-5696-000CN Waste toner detect assembly RM1-6198-000CN Cassette assembly Tray RM1-8167-000CN Right-door assembly simplex Enww Service and support Hewlett-Packard limited warranty statement Hewlett-Packard limited warranty statement Enww Enww Data stored on the print cartridge End User License Agreement Transfer Hewlett-Packard Development Company, L.P Rev /09 OpenSSL Customer self-repair warranty service Customer support Product specifications Product Height Depth Width Weight Physical specificationsTable B-1Product dimensions Product Height Depth WidthRegulatory information FCC regulations Environmental product stewardship program Multiple returns more than one cartridge Return and recycling instructionsUnited States and Puerto Rico Single returnsNon-U.S. returns PaperMaterial restrictions Residents of Alaska and HawaiiEnww Supplementary Information Declaration of conformityEnergy Use For Regulatory Topics only, contact Boise, Idaho USASeptember Volatile memory Certificate of volatilityTypes of memory Non-volatile memoryVcci statement Japan Power cord instructions Safety statementsLaser safety Power cord statement JapanEMC statement Korea Laser statement for Finland Luokan 1 laserlaiteGS statement Germany Restriction on Hazardous Substances statement UkraineIndex CablesSee also tests troubleshooting diagrams See also jams fans Pages PCL Registration density RD sensor See also cassette Power 244 Page CF079-90942* *CF079-90942