Cable Pinouts, Connector Signal Name Remarks | HP 5L, 6L instruction

Table 7-7	Cable Pinouts

	Connector	Signal Name	Remarks
	J401 pin 1	MA	Motor Drive Signal

	J401 pin 2	/MA	Motor Drive Signal

	J401 pin 3	MB	Motor Drive Signal

	J401 pin 4	/MB	Motor Drive Signal


	J204 pin 1	+12 V	5L only

	J204 pin 2	CPUD	Solenoid SL1 Pickup Drive (5L
			only)


	J202 pin 1	+5V

	J202 pin 2	GND

	J202 pin 3	PAPSENS	“L” when PS202 detects paper

	J202 pin 4	+5V

	J202 pin 5	GND

	J202 pin 6	PISNS	“L” when PS203 detects paper


	J207 pin 1	+12 V

	J207 pin 2	SCNTAC	Scanner tachometer pulses

	J207 pin 3	FG

	J207 pin 4	/SCNON	“L” to rotate scanner motor

	J207 pin 5	SCNCLK	Scanner clock reference


	J208 pin 1	+5 V

	J208 pin 2	APCSH	APC sample hold

	J208 pin 3	/LON	Laser Enable

	J208 pin 4	FG

	J208 pin 5	/VDOUT	Laser Drive Signal

	J208 pin 6	BDI	Beam Detect Input Signal


	J209 pin 1	+5 V

	J209 pin 2	GND

7-30 Troubleshooting

Image 151

HP 5L, 6L manual Cable Pinouts, Connector Signal Name Remarks

Contents

Page HP LaserJet 5L HP LaserJet 6L C3941A C3990A Warranty Conventions Chapter Descriptions Here are required statements regarding RFI and laser safety List of Figures Figure B-1 Vcci Statement Japan List of Tables Viii Product Information Contents Product Information Paper Capacities and Sizes Printer FeaturesPrinter Features Features Descriptions Model and Serial IdentificationHP LaserJet 5L Model and Serial Numbers HP LaserJet 6L Model and Serial Numbers Acoustic Emissions SpecificationsPerformance Specifications Electrical Specifications Front/Side Views of the Printer Product Overview Front Door Assemblies Back View of the Printer Ordering Consumables Service ApproachParts Exchange Program Ordering Parts Description Related Documentation Technical Assistance Online Services for North American Response Center Worldwide Support Warranty Exclusions Warranty Regulatory requirements Warranty LimitationsVoltage Conversions Products sold within one country to another country Product Information Site Requirements Site Requirements Environmental Requirements Consider the following points before installing the printerSite Requirements Operating Environment Description Dimension Printer Space Requirements Printer DimensionsPrinter Space Requirements Storage Conditions HP C3906A/F Toner CartridgeStoring Opened Toner Cartridges Toner Cartridge Distribution Toner Cartridge Handling Suggestions Operating Overview Operating Overview Control Panel Layout Using the Control Panel It means this Do this Indicator Lights 1When this Indicator LED Lights Hardware Error There is an Indicator Lights 2 Front Panel Button Usage Front Panel ButtonFunction Lights Action Result Self-test Page for HP LaserJet 5L Printing a Self-Test Self-test Page for HP LaserJet 6L To print a self-test Printer’s rated speed Continuous Self Test Engine Test Button Useful for checking and adjusting registrationRefer to Engine Test in for the engine test procedure Printing an Engine Test To Reset the Printer Resetting the Printer Operating Overview Printer Maintenance Printer Maintenance Life Expectancy of Consumables Life Expectancy of Consumables Five Percent Text Coverage Toner Cartridge LifeSaving Toner with EconoMode Toner cartridge box Information Some software applications may refer to this as draft modeRefilled Toner Cartridges Recycling Toner Cartridges Cleaning the Printer Contaminants on the roller can cause print quality problems Cleaning Printer ComponentsCleaning Printer Components Stains into fabric Cleaning Spilled Toner Functional Overview Functional Overview Basic Printer Functions Printer Functional Block Diagram DC Controller Loads DC Controller/Power System Laser and Scanner Drive Print Engine Control System Power System on DC Controller PCA T e Functional Overview Control Panel Resolution Enhancement REt EconoMode EconoMode vs Normal ModeMemory Enhancement technology MEt Functional Overview 5 Image Formation System Image Formation Block Diagram Image Writing Drum CleaningToner Cartridge Drum Conditioning Image Developing Image FusingImage Transferring Paper Feed System Simplified Paper Path Name Description Solenoid and Sensors Solenoid and Photosensors Paper Jam Detection Period Timing Purpose Refer to Timing Diagram on the nextBasic Sequence of Operation Printer Timing General Timing Diagram HP LaserJet 5L General Timing Diagram HP LaserJet 6L Functional Overview Removal and Replacement Removal and Replacement Removal and Replacement Strategy Removal and Replacement MByte card MByte total Installing Memory Cards Dram Remove the 3 screws -2, callout Ease of replacementCovers and Doors Back Cover Back Cover Removal 2 Make certain the Input Extender is up EP Door Assembly Removal EP Door Assembly Memory Door Removal Memory Door Without removing the memory door Main Cover and Paper Input AssemblyMain Cover and Paper Input Assembly Removal Remove the toner cartridge Remove memory door Control Panel Removal Internal Assemblies Exit Roller Removal Exit Roller Assembly Delivery Assembly Removal 1 Delivery Assembly Delivery Assembly Removal 2 Fuser Pressure Plate Removal Fuser Pressure Plate Fuser Pressure Plate Replacement Heating Element Removal 1 Heating Element Heating Element Removal 2 Lift the Heating Element out Make sure the connectors are properly reattachedHeating Element Removal 3 On the right side of the shaft. Refer to for a part number Pressure RollerPressure Roller Guide Removal Release mechanism Face-Up/Face-Down Lever ReplacementFace-Up/Face-Down Lever Unchanged. -17 shows the lever from an HP LaserJet 5L Shows the white tab from an HP LaserJet 5L Fuser Exit Roller AssemblyFuser Exit Roller Removal Paper Exit Sensor Flag Replacement Reinstalled to exactly this positionPaper Exit Sensor Flag Laser/Scanner Assembly Removal Laser/Scanner AssemblyTop Assemblies Solenoid Removal 1 Solenoid Solenoid Removal 2 Only one way Pickup Roller Assembly Removal 1 Pickup Roller Assembly Pickup Roller Assembly Removal 2 Paper Pickup Roller Assembly Replacement Inside/Front View Assembly Figure Paper Feed Frame Removal 1 Paper Feed Frame Paper Feed Frame Removal 2 Paper Feed Frame Removal 3 Paper Feed Frame Removal 4 Release the sensor unit connector Figure Transfer Roller Guide & Transfer Roller Kick Plate Removal Kick Plate Kick Plate Spring Replacement Separation Pad Removal Separation Pad Press toward the top of the printer SubpadsAt the same time Place your index finger on the subpad Feed Assembly Removal 1 Feed Assembly Feed Assembly Removal 2 Remove the Feed Assembly Feed Assembly Removal 3 Memory Door Guide Bottom AssembliesMemory Door Guide Removal Motor Removal Motor DC Controller Removal 1 DC Controller DC Controller Removal 2 ESD Sensitive DC Controller Removal 3 Correct pieces should you need to replace them Formatter PCAFormatter Board Removal Removal and Replacement Troubleshooting Troubleshooting Start General Troubleshooting Flowchart Exit Paper Path and Components Paper Path and Components DC Controller Diagram Persists Printer Error TroubleshootingPriority of Errors ∙ Status Messages ∙ Service and Error Messages Printer Status Messages 1 Printer Status MessagesLEDs Description Recommended Action Unclearable Error Happens, troubleshoot using -3 belowPrinter Status Messages 2 Service and Error Messages 1 Service and Error Messages Beam Error. There are a number of causes Formatter Error Service and Error Messages 3 Check the Toner Cartridge Image Formation TroubleshootingOz grams ∙ Replace the DC Controller Image Defect Examples Vertical Lines ∙ Your paper may not meet the requirements for the printer Character Voids Dropouts Is completely blank. If you get occasional blank pages ∙ Replace the DC Controller Troubleshooting White Horizontal Line Distorted Image or BD Failure Engine Test Troubleshooting ChecksEngine Test Troubleshooting Drum Rotation Functional Check Checks Action High-Voltage Power Supply CheckHigh-Voltage Power Supply Check Toner Cartridge High Voltage Connection Points 1 Toner Cartridge High Voltage Connection Points 2 Paper Curl Paper Curl TroubleshootingPossible Cause Recommended Action Overriding PS204 and SW101 Troubleshooting ToolsPaper Path Check Remove the Printer Covers Figures 6-2, 6-3, Repetitive Image Defect Ruler Repetitive Image Defect Ruler Troubleshooting Main Wiring Diagram Cable Pinouts Connector Signal Name Remarks Frsth Troubleshooting Parts and Diagrams Parts and Diagrams How to Use the Part Lists and Diagrams Parts and cannot be ordered through SMO Accessories and Supplies Accessories and SuppliesProduct Number Description Example Description Common Hardware Major Assembly Locations Covers and Doors Qty Description Internal Components 1 LaserJet 5L Part No Internal Components 2 LaserJet 5LPart No Internal Components 3 Parts and Diagrams DC Controller/Formatter and Cables DC Controller Case Pickup Roller Assembly Parts and Diagrams Feed Assembly Parts and Diagrams Separation Guide Assembly Parts and Diagrams Delivery Assembly Parts and Diagrams Parts and Diagrams Parts Index A-1 Parts Index Parts Index Alphabetical Parts ListParts Index Index Parts Index A-3 Parts Index Parts Index A-5 501/502 Numerical Parts Index Parts Index A-7 Numerical Parts List Parts Index A-9 Parts Index Parts Index A-11 Parts Index Regulatory Information Laser Safety U.S.A Regulatory Information Laser Statement Finland Ozone Emission Toner SafetyRegulatory Information B-3 Figure B-1 FCC Statement Class B Fuser Accordian Jams Service Notes C-1C3941A-01 Solution Service Notes Fuser Jam Clearing Countermeasure Service Notes C-3C3941A-02A Service Notes Index-1 Index Index-2 Index-3 Safety Index-4 C3990-90991