111Remove the RD sensor assembly 5 | HP Enterprise 500 instruction

4.Disconnect two connectors (callout 1) on the back side of the assembly. Figure 2-110Remove the RD sensor assembly (4 of 6)

1

5.Push in on the locking tab to release the retainer (callout 1), and then separate the retainer from the assembly.

NOTE: The retainer remains attached to the wire harness, and disengages from the assembly.

Figure 2-111Remove the RD sensor assembly (5 of 6)

1

ENWW	Internal assemblies 145

Image 181

HP Enterprise 500 manual 111Remove the RD sensor assembly 5

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 Appendix a Service and support 575 Parts and diagrams 525 Appendix C Regulatory information 589 Appendix B Product specifications 587 Index 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 1Relationship between the main product systems Basic operation 1Sequence of operation Sequence of operationPeriod Duration Description 2Engine control system Engine control system DC controller 3DC controller block diagram Solenoids SwitchesClutches Component abbreviation Component name Motors and fans Sensors Abbreviation Name Purpose Type Failure detection Motors Abbreviation Name Cooling area Type Speed 6Motors 8High voltage power supply circuits High voltage power supplyCircuit Description Paper 5Low voltage power-supply circuit Low voltage power supply Main DC voltage Sub-voltage Behavior 9Converted DC voltages Sleep powersave mode SafetyPower supply voltage detection Low voltage power supply failure Fuser control Power off condition10Fuser components Type of component Abbreviation Name Function 7Fuser temperature control circuit Fuser temperature control circuit Fuser over temperature protection Fuser failure detection 8Laser/scanner system Laser/scanner system Enww 9Image formation system Image formation system 11Image formation process Image formation processFunctional block Steps Description Primary charging Pre-exposure Development Laser-beam exposure Secondary transfer Primary transfer Separation Fusing Drum cleaning ITB cleaningPrint cartridge Enww 22Developing-roller engagement and disengagement control Developing roller engagement and disengagement Enww 23 ITB unit Intermediate transfer belt ITB unit 12Primary-transfer-roller engagement states Primary-transfer-roller engagement and disengagement Roller state Product state Enww 25ITB cleaning process Color misregistration control Calibration 13Image-stabilization controls Image stabilization controlImage stabilization control Description Abbreviation Component Pickup, feed, and delivery system SR10 Fuser motor 30Three main units of the pickup, feed, and delivery system 31Pick feed mechanism Theory of operation Pickup-and-feed unit 32Cassette-pickup mechanism Cassette pickup 33Cassette presence sensor Theory of operation Cassette presence detection 34Cassette lift mechanism Cassette lift operation 35Paper level detection mechanism Theory of operation Cassette paper presence detection 36Cassette media width detection Cassette media width detection 37Multifeed prevention Multifeed prevention 38Multipurpose tray pickup mechanism Multipurpose tray pickup 39Paper-feed mechanism Theory of operation Paper feed 40Skew-feed prevention Skew-feed prevention OHT detection Fusing and delivery unit 42Loop-control mechanism Loop control Fuser motor Pressure-roller pressurization control 44Duplexing unit Duplexing unit duplex models Duplex pickup operation Duplexing reverse and feed control 17Jams that the product detects Jam detectionJam Description Fuser delivery delay jam Optional paper feeder Component Abbreviation Component name Type 18Electrical components for the paper feeder 48Paper-feeder pickup and feed operation Paper-feeder pickup and feed operation Paper size detection Paper size detection and cassette presence detection 19Paper size detection 50Paper-feeder cassette lift Theory of operation Paper feeder cassette lift operation Enww Paper feeder presence detection 51Paper-feeder multiple feed prevention Paper-feeder multiple feed prevention Paper feeder jam detection Removal and replacement Introduction Removal and replacement strategy Electrostatic discharge Required tools Before performing service Service approachAfter performing service Post service test SSD Parts removal order 3Parts removal order 2 Print cartridges Customer self repair CSR components 5Remove the print cartridge 2 Duplex reverse guide 7Remove the duplex reverse guide 2 Removal and replacement 9Remove the toner collection unit 2 Toner collection unit 10Remove the toner collection unit 3 ESD sensitive component Formatter PCA Remove the HDD Disk drivesBefore proceeding, remove the following components 14Remove the HDD 2 Remove the SSM Reload the firmware Install a replacement hard drive Tray cassette Fuser Pickup roller Tray Pickup roller Tray 26Remove the pickup roller Tray 2 4 Removal and replacement 27Remove the Pickup and feed rollers Tray 3 1 Pickup and feed rollers Tray Enww Separation roller Tray Secondary transfer roller 33Reinstall the transfer roller Reinstall the transfer roller Secondary transfer assembly 37Reinstall the secondary transfer assembly Reinstall the secondary transfer assembly Intermediate transfer belt ITB Enww Right door optional paper feeder 43Remove the right door optional paper feeder 3 Identification and location Covers Cover on Front door assembly 46Remove the front door assembly 2 Removal and replacement 48Remove the right door assembly 2 Right door assembly 50Remove 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 Remove the left cover Left cover 61Remove the left cover 4 Removal and replacement Remove the left bottom cover Left bottom cover Remove the left bottom handle Left bottom handle Hardware integration pocket HIP dn and xh models only Control panel assembly Enww Remove the right front cover Right front cover Enww 74Remove the right front cover 5 Removal and replacement 75Reinstall the power button Reinstall the power button Remove the front top cover Front top cover Enww Remove the rear cover and upper rear cover Rear cover and upper rear cover 80Remove the rear cover and upper rear cover 3 Enww Remove the rear top cover Rear top cover 83Remove the rear top cover 2 Removal and replacement Remove the right bottom handle Right bottom handle Remove the rear bottom handle Rear bottom handle Delivery fan, cartridge fan, and environmental sensor Internal assemblies Disconnect five connectors callout Enww Enww Release one tab callout Remove the toner collection sensor Toner collection sensor 97Remove the toner collection sensor 3 Remove the residual toner feed motor Residual toner feed motor 101Remove the residual toner feed motor 3 Enww 105Remove the residual toner feed motor 7 Reinstall the residual toner collection door Remove the RD sensor assembly Registration density RD sensor assembly 109Remove the RD sensor assembly 3 Removal and replacement 111Remove the RD sensor assembly 5 112Remove the RD sensor assembly 6 Removal and replacement Remove the power supply fan and fan duct Power supply fan and fan duct 115Remove the power supply fan 3 Removal and replacement 116Remove the power supply fan 4 Remove the registration assembly Registration assembly 119Remove the registration assembly 3 Remove three screws callout 123Remove the registration assembly 7 Enww Remove the lower pickup guide Lower pickup guide Enww Reinstall the lower pickup guide Remove the ICB Interconnect board ICB Enww Remove the DC controller PCA DC controller PCA and trayESD sensitive part Enww Enww 132Remove the low voltage power supply 1 Remove the low voltage power supply Enww Remove two screws callout Remove the assembly Remove the high voltage power supply lower High voltage power supply lower HVPS-D Enww Reinstall the high voltage power supply lower 142Remove the high voltage power supply lower 4 Remove the developing disengagement motor Developing disengagement motor 145Remove the developing disengagement motor 2 Remove the pickup motor Pickup motor Remove the lifter drive assembly Lifter drive assembly Enww Remove the automatic close assembly Automatic close assembly Remove the cassette pickup drive assembly Cassette pickup drive assembly 152Remove the cassette pickup drive assembly 3 Enww 156Remove the cassette pickup drive assembly 7 Enww Reinstall the cassette pickup drive assembly 159Remove the cassette pickup drive assembly 10 Make sure that the spring callout 1 is correctly installed Cassette pickup assembly Remove the cassette pickup assembly 165Remove the cassette pickup assembly 3 Remove the laser/scanner assembly Y/M Laser/scanner assembly Y/M Enww 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 Reinstall the protective glass cleaner PGC actuators 184Remove the laser/scanner assembly C/Bk 7 187Reinstall 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 195Reinstall the high voltage power supply upper Reinstall the high voltage power supply upper Drum motor Remove the drum motor Drum motor 2 or drum motor 197Remove the drum motor 2 or drum motor Remove the drum motor 2 or drum motor Fuser motor 198Remove the fuser motor Remove the fuser motor Main drive assembly Remove the main drive assembly Enww 204Remove the main drive assembly 6 205Remove the main drive assembly 7 Removal and replacement 206Reinstall the main drive assembly 1 Reinstall the main drive assembly Slowly 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 223Reinstall the fuser drive assembly Reinstall the fuser drive assembly Delivery assembly 225Remove the delivery assembly 2 Remove the delivery assembly 227Remove the delivery assembly 4 Removal and replacement 228Remove the delivery assembly 5 Reinstall the delivery assembly Duplex drive assembly Remove the duplex drive assembly Drawer connector Optional paper feeder assembly Tray Remove one connector callout Solve problems Solve problems checklist Solve problems checklist Print the menu maps Menu map Print the current settings pages Current settings pages Access the Preboot menu Preboot menu optionsCold reset using the Preboot menu Determine the problem source Troubleshooting processTroubleshooting flowchart 1Troubleshooting flowchart Power-on checks Power subsystemPower-on troubleshooting overview Enww Individual component diagnostics Tools for troubleshootingLED diagnostics Understand lights on the formatter Heartbeat LED, product initialization Formatter to control panel communication interruptions2Heartbeat LED, product initialization 49.XX.YY error or Preboot menu 3Heartbeat LED, product operational Connectivity LED, product operating Connectivity LED, product initialization Connectivity LED 4Connectivity LED, product initialization If the error persists, perform a firmware upgrade 5Connectivity LED, product operational HP Jetdirect LEDs Defeating interlocks Engine diagnostics 2Diagnostic test 2 Administration Troubleshooting Diagnostic Tests Disable cartridge check 4Engine-test button Engine test button Paper path sensors test Paper path test Sensor name Sensor number 6Paper-path sensors diagnostic tests Sensor or switch name Sensor or switch number 7Manual sensor diagnostic testsManual sensor test Registration sensor Fuser loop sensors Fuser output sensor Open the right door Lower the secondary transfer assembly Duplexer refeed sensor Output-bin full sensor Fuser pressure-release sensor ITB alienation sensor Enww Right- and front-door interlock switches Enww Tray/bin manual sensor test 8Manual sensor test 2 diagnostic tests Tray 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 Tray 3 media size sensors Print/stop test Component test special-mode test Component tests9Component test details Alienation Motor Fuser Pressure Release MotorITB Contact/Alienation TCU Motor Block diagrams Diagrams 10Sensors DC controller PCA Location of connectors 30Paper feeder driver PCA Paper feeder driver PCA Locations of major components Plug/jack locationsBase product 32Component locations 2 33Component locations 3 Solve problems 34Component locations 4 2219 Location Connector Component Component name Abbreviation PCAs, motors, fans, switches, solenoids, and clutches 13PCAs, motors, fans, switches, solenoids, and clutches 500 paper feeder Location Connector Component abbreviation Component name Timing chart General timing chart Inter Circuit diagrams 40 Paper feeder circuit diagram Internal print-quality test pages Print quality troubleshooting pages Yellow Green 44Black print-quality troubleshooting Print quality assessment Enww Process a cleaning CleaningSet up an auto cleaning Configuration Configuration 45Configuration HP embedded Jetdirect Security Settings information 14Important information on the configuration pages Finding important information on the configuration pagesAccessories and internal storage Diagnostics menu Color band test Repetitive defects ruler Print quality troubleshooting tools Calibrate the product Sign In menu Control panel menus15Sign In menu Retrieve Job From USB menu CancelRetrieve Job From USB menu Select a File or Folder Retrieve Job From Device Memory menu Retrieve Job From Device Memory menuAll Jobs With PIN Menu options include Copies 17Retrieve Job From Device Memory menu Delete is Copies fieldDelete Select Delete Enter Pin to Print Copies Job withoutDelete Delete All Jobs 18Supplies menu Supplies menu Color Cartridges Very Low Stop Settings Prompt to Continue SettingsLow Threshold Low Threshold Cyan Cartridge Settings Magenta Low Threshold CartridgeYellow Cartridge Settings Specify Color/Black Mix Mostly Black Settings Prompt to Pages Color Pages if Mostly Color Off Messages menu to Reset Supplies New Fuser Kit YesLevel Gauge Enww First level Second level Values Trays menuManage Trays Use Requested Tray Exclusively First 19Trays menu Alternative Letterhead Disabled DisabledMode Enabled Alternate Image Rotation Standard Tray 1 Type Tray 1 SizeTray 2 Size Tray 2 Type Reports menu Administration menu20Reports menu Guide for matching printed colors General Settings menu General Settings menu Wake/Auto On All Events Network port Power button Only 21General Settings menuFirst level Second level Third level Fourth level Values After Enww Midtones are the middle-range color- values in an image Restore Color Registration X1 Shift Mm to Y1 Shift X2 Shift Default = Y2 Shift Print Mode Adjust PaperTransparency Sensing Pre-Rotation Off Mode Humidity Mode Normal HighDown Reduced Paper Curl Mode Normal Smooth Smooth settingStandard. Heavy Paper Standard Tray Normal Alternate Low VoltageBackground Normal Alternate Alternate 2 setting Alternate 1 settingAlternate 3 setting Alternate 2 settings Fuser Temp Normal Alternate Enww Jam Recovery Auto Off Default Folder Held Timeout HourManage Stored Quick Copy Job Manage Stored Enww General Print Settings menu Retrieve From USB Settings menuRetrieve From USB Settings menu General Print Settings menu 23General Print Settings menu Factory default setting is Setting is 0.44 to 99.99.Font Point Size Range 4.00 Default = Symbol Set 24Default Print Options menu Default Print Options menu Enww Flip-style Edge to Edge Enabled DisabledJobs. If Book-style Display Settings menu Display Settings menu Manage Supplies menu 25Display Settings menu26Manage Supplies menu Stop The product stops until you replace the print cartridge Enww Different percentage for each color Cause an error Unit Settings Prompt toLow. Continuing to Print without Settings Color/Black Mix Auto Pages Black Pages if Reset Supplies New Fuser KitSupply Messages Low Message Off 27Manage Trays menu Manage Trays menu Alternative Letterhead Mode Disabled First level Values Description Use Another Tray EnabledBlank Pages Auto Yes Override A4/Letter 28Network Settings menu Network Settings menuJetdirect Menu Manual Settings menu to configure TCP/ IPv4 parameters IPv4 Settings Config Bootp Method29Jetdirect Menu Auto IP Enww Primary DNS Dhcp Renew YesXxx.xxx.xx.x Secondary Enww Unavailable Router Policy SpecifiedRouter Unavailable If Proxy Port Idle Timeout 802.1x Reset Disable IPSecSecurity Required Optional Reset Security Yes TCP/IP Diagnostics Embedded LAN HW Test Yes Tests Snmp Test Yes Http Test YesData Path Test Yes Time ExecutionExecute Yes Dest IPv4 IPv6127.0.0.1 Dest IPv6 Packet Size Ping Results Packets Sent Print Results Yes ExecutePackets Received RTT Max RTT MinRTT Average Enww 10T Half is set 100TX Half or10T Half 10T Full 30Troubleshooting menu Troubleshooting menuExit Troubleshooting Print Event Log Print Diagnostic Pages TroubleshootingPrint Paper Path Print Quality Print PQ Select Print Test Paper Path Start Test CheckSensors Paper Path Test Print Test Manual Sensor Number of Copies Range 1 Default =Test Manual Tray/Bin Repeat Off Print/Stop Test Backup/Restore menu Device Maintenance menuCalibrate/Cleaning menu 31Backup/Restore menu Product automatically First level Second level Values Description Full Calibration Delay Calibration at Yes Wake/Power On USB Firmware Upgrade menu Memory error 10.0X.Y0 Supply memory errorLabel missing 10.22.51 10.22.5010.22.52 10.23.50 10.23.52 10.23.5110.23.60 Printing past very low 10.XX.34 Used supply in use 10.XX.40 Genuine HP supplies installed 10.XX.70 Printing past very low 10.XX.41 Unsupported supply in use 10.YY.25 Wrong cartridge in color slot 10.YY.15 Install supply 10.YY.35 Incompatible supply 13.00.00 YY Internal clock error13.A3.D3 13.A3.FF 13.B2.A2 13.B2.A113.B2.A3 13.B2.D1 13.WX.EE 13.D3.DZ13.WX.FF 13.WX.YZ Fuser area jam 13.WX.YZ Fuser wrap jam 13.WX.YZ Jam in middle right door 13.WX.YZ Jam below control panel 13.WX.YZ Jam in Tray 13.WX.YZ Jam in right door Too complex Insufficient memory To continue, press OK 32.1C.XX 32.08.XX Enww Recommended action Enww 32.21.00 33.XX.YY Error33.XX.YY Used board/disk YZ Unexpected type in tray YZ Unexpected size in tray LBP OHT YZ Error To continue, press OK Enww 47.00.XX 42.XX.YY47.01.XX 47.02.XX 47.03.XX 47.WX.YZ Printer calibration error To continue, press OK47.04.XX 47.05.00 47.FC.23 49.XX.YY To continue, turn off then on 50.WX.YZ Fuser error To continue, turn off then on Enww Enww XX To continue, turn off then on YY Error Recommended action 54.00.03 54.XX.YY Error 54.0X.0D or 54.0X.0E 55.0X.YY DC controller error To continue, turn off then on YY DC controller error To continue, turn off then onYY Error To continue, turn off then on 58.00.04 57.00.0Y Error To continue, turn off then on Recommended action 59.00.04 or 59.05.XX 59.05.08 or 60.00.0Y Tray Y lifting error 61.00.01 Error To continue, turn off then onNo system To continue, turn off then on Corrupt data in firmware volume 81.0X.YY Embedded JetDirect error Corrupt data in configuration volume Corrupt data in solutions volumeCorrupt data in job data volume Upgrade not performed file is corrupt Upgrade not performed error writing to disk Upgrade not performed timeout during receive Upgrade canceled by user Upgrade not performed error reading upgrade Upgrade not performed the file is invalid 99.00.2X Unknown disk Unsupported diskIncorrect disk Disk malfunction No disk data installed Disk data errorDisk is not bootable please download firmware 99.XX.YY Supply almost full Binname Full Remove all paper from binSupply low or Supplies low Supply very low or Supplies very low File System device failure To clear, press OK Tray X liftingFile System file operation failed To clear, press OK File System file system is full To clear, press OK File System is write protected File System is not initializedAccept bad signature Bad optional tray connection Canceling Calibration reset pendingCanceling... jobname Checking engine Chosen personality not available To continue, press OK Cleaning do not grab paperClearing event log Clearing paper path Close front door Creating cleaningClose lower right door Close upper right door Data received To print last page, press OK HP Secure Hard Drive disabledEIO X disk initializing Event log is empty Incompatible supplies Incompatible supply Install supply Close rear door Install supplyInstall Fuser Unit Install Transfer Unit Install suppliesInternal disk not functional Load Tray X Type, Size Internal disk spinning upLoad Tray X Type, Size To use another tray, press OK Manually feed Type, Size To use another tray, press OK Manually feed Type, SizeMoving solenoid Moving solenoid and motor No job to cancelPaused Performing Color Band Test Printing Diagnostics Printing ConfigurationPlease wait Printing Cmyk samples Printing Event Log Printing Engine TestPrinting File Directory Printing Font List Printing Help Printing PQ TroubleshootingPrinting Menu Map Printing Registration Printing Usage Printing Supplies StatusProcessing duplex job Do not grab paper until job completes Processing Ready Processing... copy X of YReady IP Address Remove all print cartridges Replace supply Remove shipping lock from Tray Replace Supplies Restricted from printing in color Restore Factory SettingsRotating color motor Rotating motor Size mismatch in Tray Sleep mode onSupplies in wrong positions Tray X open Tray X empty Type, Size Unsupported drive installed To continue, press OK TroubleshootingTray X overfilled Type mismatch Tray Unsupported USB accessory detected Remove USB accessory Unsupported tray configuration USB accessory not functional Wrong cartridge in color slot 48Sample event log Event log messages Print the event log from the Service menu Print the event log from the Administration menuPrint an event log Viewing the event log from the Service menu View an event log from the Administration menuView an event log Clear an event log Clear jams Product is jammed Cause SolutionCommon causes of jams 49Jam locations Jam locations Clear 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 33Causes and solutions for delivery delay jam Jam causes and solutions34Causes and solutions for fuser delivery delay jams Jams in the output bin 36Causes and solutions for fuser delivery stationary jams 35Causes and solutions for wrapping jams37Causes and solutions for residual media jams PCA 38Causes and solutions for pickup delay jams 39Causes and solutions for pickup stationary jams 41Causes and solutions for duplex repick jams 40Causes and solutions for duplexing reverse jamsJams in the duplex area duplex models 43Causes and solutions for pickup delay jam 1 tray pickup 42Causes and solutions for residual media jamsJams in Tray 1, Tray 2 and internal paper path 45Causes and solutions for pickup delay jam 1 MP tray pickup 44Causes and solutions for pickup stationary jams Jams in Tray Change jam recovery Product feeds multiple sheets Cause Solution Solve paper handling problemsPaper does not feed automatically Cause Solution Product feeds multiple sheets Or, change the Manually Feed Prompt setting to Unless 47Print modes under the Adjust Paper Types sub menu Select a manual print modeUse manual print modes 48MP modes under the Optimize submenu Background TrayUniformity Control Fuser Temp Problem Sample Cause Solution Solve image quality problemsImage defects table Image defects table 49Image defects table Clean the window and remove any Replace the high-voltage power Dirty, replace the ITB Execute a Pressure roller clean Clean the paper path Clean the productSet up an auto cleaning 50Solve performance problems Solve performance problemsProblem Cause Solution Solve direct connect problems Solve connectivity problemsSolve network problems Enww Service menu Service mode functions Cold Reset Paper Service IDCleaning Clear Event Log Restore factory-set defaults Product resetsRestore factory-set defaults values Product cold reset Clean Disk and Partial Clean functionsActive and repository firmware locations Characteristics of a Partial Clean Partial CleanReasons for performing Partial Clean Execute a Partial Clean Reasons for performing Clean Disk Clean DiskExecute a Clean Disk Enww Sign 51Preboot menu options 1 Partial Clean Clean DiskPassword Clear Password 52Preboot menu options 2 Device 53Preboot menu options 3External 54Preboot menu options 4 55Preboot menu options 5 Service Tools 56Preboot menu options 5Reset Password Jetdirect Off Determine the installed revision of firmware Product updatesPerform a firmware upgrade Embedded Web Server USB storage device Preboot menu USB storage device control-panel menu Enww Parts and diagrams Order parts, accessories, and supplies Part numbers AccessoriesPrint cartridges and toner collection unit Memory Customer self repair CSR and service kits Simplex Screws How to use the parts lists and diagramsCommon fasteners How to use the parts lists and diagrams Simplex model Duplex model See Right-door assembly Description Part number Qty External covers, panels, and doors Right-door assembly Right-door assembly 3Internal assemblies 1 Internal assemblies 1 4Internal assemblies 1 4Internal assemblies 2 Internal assemblies 2 5Internal assemblies 2 501 25 26 Internal assemblies 3 6Internal assemblies 3 6Internal assemblies 4 Internal assemblies 4 7Internal assemblies 4 7Internal assemblies 5 Internal assemblies 5 8Internal assemblies 5 Cassette Description Part number Qty Cassette RM1-8125-000CN Cassette 9Paper pickup assembly Paper pickup assembly Paper pickup assembly 10 PCAs PCAs PCAs 500-sheet paper feeder Assessories 500-sheet paper feeder Paper feeder covers 12Paper feeder covers Parts and diagrams Paper feeder covers Paper feeder main body 13Paper feeder main body Parts and diagrams Paper feeder main body 14 Cassette Paper feeder cassette Cassette Paper feeder PCA 15Paper feeder PCA Parts and diagrams Part number Qty Paper feeder PCARM1-5839-000CN 17Alphabetical parts list Alphabetical parts listDescription Part number PCAs on Duplexing unit cable assembly RM1-5730-000CN Paper pickup assembly Paper feeder PCA Spring, compression RU6-2316-000CN 18Numerical parts list Numerical parts listPart number Description 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 Table B-1Product dimensions Physical specificationsProduct Height Depth Width Weight Product Height Depth Width Regulatory information FCC regulations Environmental product stewardship program United States and Puerto Rico Return and recycling instructionsMultiple returns more than one cartridge Single returns Material restrictions PaperNon-U.S. returns Residents of Alaska and Hawaii Enww Energy Use Declaration of conformitySupplementary Information September Boise, Idaho USAFor Regulatory Topics only, contact Types of memory Certificate of volatilityVolatile memory Non-volatile memory Laser safety Safety statementsVcci statement Japan Power cord instructions Power cord statement Japan Luokan 1 laserlaite EMC statement Korea Laser statement for Finland Restriction on Hazardous Substances statement Ukraine GS statement Germany Cables Index See also tests troubleshooting diagrams See also jams fans Pages PCL Registration density RD sensor See also cassette Power 244 Page CF079-90942* *CF079-90942