Right- and front-door interlock switches | HP Enterprise 500

Right- and front-door interlock switches

1.Open the right door (callout 1) to disengage the right-door switch (callout 2). Figure 3-15Test the right- and front-door interlock switches (1 of 4)

2

1

2.Close the right door and check the control panel on the product for sensor response.

3.Open the front door (callout 3) to disengage the front-door switch (callout 4). Figure 3-16Test the right- and front-door interlock switches (2 of 4)

4

3

4.Close the front door and check the control panel on the product for sensor response.

5.If either interlock switch failed to respond, remove the upper-front cover and right-front cover. By removing the right-front cover, you can tell if the linkages are properly closing the switches.

ENWW	Tools for troubleshooting 269

Image 305

HP Enterprise 500 manual Right- and front-door interlock switches

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 Period Duration Description Sequence of operation1Sequence of operation 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 Circuit Description High voltage power supply8High voltage power supply circuits 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 Functional block Steps Description Image formation process11Image formation process Primary charging Pre-exposure Development Laser-beam exposure Secondary transfer Primary transfer Separation Fusing Print cartridge ITB cleaningDrum cleaning 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 Image stabilization control Description Image stabilization control13Image-stabilization controls 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 Jam Description Jam detection17Jams that the product detects 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 Before proceeding, remove the following components Disk drivesRemove the HDD 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 ESD sensitive part DC controller PCA and trayRemove the DC controller PCA 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 Cold reset using the Preboot menu Preboot menu optionsAccess the Preboot menu Determine the problem source Troubleshooting processTroubleshooting flowchart 1Troubleshooting flowchart Power-on troubleshooting overview Power subsystemPower-on checks Enww Individual component diagnostics Tools for troubleshootingLED diagnostics Understand lights on the formatter 2Heartbeat LED, product initialization Formatter to control panel communication interruptionsHeartbeat 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 Manual sensor test 7Manual sensor diagnostic testsSensor or switch name Sensor or switch number 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 9Component test details Component testsComponent test special-mode test 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 Base product Plug/jack locationsLocations of major components 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 Set up an auto cleaning CleaningProcess a 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 15Sign In menu Control panel menusSign In menu Retrieve Job From USB menu CancelRetrieve Job From USB menu Select a File or Folder All Jobs With PIN Menu options include Retrieve Job From Device Memory menuRetrieve Job From Device Memory menu 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 Low Threshold SettingsColor Cartridges Very Low Stop Settings Prompt to Continue Yellow Cartridge Settings Magenta Low Threshold CartridgeLow Threshold Cyan Cartridge Settings Specify Color/Black Mix Mostly Black Settings Prompt to Pages Color Pages if Mostly Color Level 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 Alternate Image Rotation Standard Tray 1 Type Tray 1 SizeTray 2 Size Tray 2 Type 20Reports menu Administration menuReports 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 Down Humidity Mode Normal HighPre-Rotation Off Mode Reduced Paper Curl Mode Normal Smooth Smooth settingStandard. Heavy Paper Standard Background Normal Alternate Low VoltageTray 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 Jobs. If Book-style Edge to Edge Enabled DisabledFlip-style Display Settings menu Display Settings menu 26Manage Supplies menu 25Display Settings menuManage 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 Supply Messages Low Message Off Reset Supplies New Fuser KitPages Black Pages if 27Manage Trays menu Manage Trays menu Blank Pages Auto Yes Override A4/Letter First level Values Description Use Another Tray EnabledAlternative Letterhead Mode Disabled Jetdirect Menu Network Settings menu28Network Settings 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 Data Path Test Yes Http Test YesSnmp Test Yes Execute Yes ExecutionTime Dest IPv4 IPv6127.0.0.1 Dest IPv6 Packet Size Ping Results Packets Sent Print Results Yes ExecutePackets Received RTT Average RTT MinRTT Max Enww 10T Half is set 100TX Half or10T Half 10T Full Exit Troubleshooting Print Event Log Troubleshooting menu30Troubleshooting menu Print Paper Path Print Quality Print PQ Pages TroubleshootingPrint Diagnostic 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 Label missing 10.0X.Y0 Supply memory errorMemory error 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.FF 13.D3.DZ13.WX.EE 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 Used board/disk Error33.XX.YY 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 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 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 No system To continue, turn off then on Error To continue, turn off then on61.00.01 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 low or Supplies low Binname Full Remove all paper from binSupply almost full 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 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 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 Supplies in wrong positions Sleep mode onSize mismatch in Tray 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 an event log Print the event log from the Administration menuPrint the event log from the Service menu Viewing the event log from the Service menu View an event log from the Administration menuView an event log Clear an event log Common causes of jams Product is jammed Cause SolutionClear 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 37Causes and solutions for residual media jams 35Causes and solutions for wrapping jams36Causes and solutions for fuser delivery stationary jams PCA 38Causes and solutions for pickup delay jams 39Causes 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 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 Use manual print modes Select a manual print mode47Print modes under the Adjust Paper Types sub menu 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 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 menu Service mode functions Cold Reset Paper Service IDCleaning Clear Event Log Restore factory-set defaults values Product resetsRestore factory-set defaults Active and repository firmware locations Clean Disk and Partial Clean functionsProduct cold reset Characteristics of a Partial Clean Partial CleanReasons for performing Partial Clean Execute a Partial Clean Execute a Clean Disk Clean DiskReasons for performing Clean Disk Enww Sign 51Preboot menu options 1 Partial Clean Clean DiskPassword Clear Password 52Preboot menu options 2 External 53Preboot menu options 3Device 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 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 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 RM1-5839-000CN 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 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 Supplementary Information Declaration of conformityEnergy Use For Regulatory Topics only, contact Boise, Idaho USASeptember 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