Basic troubleshooting process flow | HP 4101mfp manual

Basic troubleshooting process flow

Figure 85. Basic troubleshooting flowchart

C9148-90909

7 Troubleshooting 113

Image 115

HP 4101mfp manual Basic troubleshooting process flow, Basic troubleshooting flowchart

Contents

Service addendum Page Service addendum Quick reference service PIN code Table of contents Maintenance Removal and replacement Troubleshooting Index Table of contents C9148-90909 List of figures List of figures C9148-90909 List of tables List of tables C9148-90909 Product Information HP LaserJet 4101mfp C9149A Product configurationsIntroduction HP LaserJet 4100mfp C9148A Paper handling Product featuresProduct speed and throughput Image quality Scan unit only Product specificationsPerformance Category Specification Expandable design Skew specifications ADF/flatbed-unit acoustical specificationsCategory Specification Testing per International Standard Organization ISO Special considerations for ADF documents Media specificationsSupported paper sizes and weights for the ADF Size Dimensions Weight Model and serial numbers Front view Product overview Product parts back view Back view Product Information C9148-90909 Service approach Major assemblies Service approach HP support assistant CD-ROM HP service agreementsContact HP World Wide Web Service approach C9148-90909 Operation General guidelines for using the ADF unit Using the ADF unitUsing the ADF General guidelines for using the glass Using the glassUsing the glass Layout and operation Using the control panelControl panel Walk-up copy display NavigationStatus bar Menus Configure device, diagnostic, and service menus MFP menu map 1 Menu map MFP menu map 2 Maintenance General guidelines Cleaning the product Cleaning the ADF delivery guide clear mylar strip Running the cleaning Replace the clear, plastic sheet Remove the clear plastic sheet User-replaceable parts User-replaceable parts MFP Item Procedure Interval Processor board on See Back view onBack view on Updating product firmware Downloading a remote firmware updateInstalling the update RFU installation messages Using HP Web JetAdmin multiple or unattended update Using HP Web JetAdmin single update Windows parallel connection network printer Windows parallel connection local printer RFU installation error messages Troubleshooting RFU installation Performing hard-drive disk initialization Cold Reset Nvram initialization Configuration page see Evaluate the information pages on Performing automatic Calibration Calibration Performing manual calibration Lead adjustment for the ADF Leading-edge adjustment for the glass Center adjustment for the ADF Side-edge adjustment for the glass Theory of operation Document transportation process OverviewDocument exposure system Light-conversion process General descriptions MFP block diagram Scan-unit components Scan-unit components ADF-unit components ADF components CPB terminology Copy processor board Typical scanning-process flow HP LaserJet 9000mfp Copy processor board LEDs OFF OFF on on LED pattern CPB status Scan-unit intake-fan motor circuit Scanner controller boardADF motor circuit Optical-unit motor circuit Glass. See Glass on Scanner controller board connectors Low-voltage components Power supplyIntermediate PCB Overcurrent and overvoltage protection Power-supply block diagram Power-supply block diagram Optical unit Optical unit block diagram Scanning lamp Inverter PCBCCD driver PCB Overview ADF document-feed system Scan-unit intake fan Removal and replacement Required tools Removal and replacement strategyBefore performing service After performing service Common fasteners Parts-removal tree Parts removal order Release the ADF input-tray hinge ADF input tray Release the roller shield ADF pickup roller Remove the ADF pickup roller Remove the ADF separation roller ADF separation roller Remove the ADF separation pad ADF separation pad Disconnect the cable ADF unit Control-panel door Assemblies and covers Disconnect the control-panel grounding strip Remove the control-panel door Remove the right-side cover screw Scan-unit right-side cover Disconnect the high-speed copy connect cable Disconnect the ADF cables Remove the left-side screw Scan-unit left-side cover Remove the scan-unit left-side cover Remove the intake filter Intake fan filter Remove the formatter-cage cover Formatter cage Then slide it forward Disconnect the formatter high-speed copy connect cable Secure the optical unit Scan unit Disconnect the scan unit cable Remove the top-cover rear-mounting screws Printing-unit top cover Remove the glass mounting screws Glass Fingerprints will affect print quality Remove the scanning lamp Scanning-lamp wire harness routing Optical-unit ribbon-cable clip Release the optical unit ribbon cable Release the tension-spring bracket Optical-unit drive-belt tension bracket Remove the ADF door open sensor ADF door open sensor PS10 Remove the optical-unit cover plate Optical-unit drive gear/motor assembly Remove the optical-unit drive gear/motor assembly Remove the power-supply shield Scan-unit power supply Remove the power supply Remove the inverter PCB Scanner controller PCB Unplug the connectors Grasp the scanner controller PCB Remove the fan mounting screws Intake fan Remove the intake fan Removal and replacement C9148-90909 Troubleshooting Wiring diagrams Troubleshooting C9148-90909 Primary steps for troubleshooting Troubleshooting process Unit condition Installation conditionsPreliminary operating checks Media condition Basic troubleshooting flowchart Basic troubleshooting process flow Successful? Basic troubleshootingBasic troubleshooting Is Power On Operational? Is the copy function Power malfunctions Solution Power-on defects Print the event log Troubleshooting with the control panelControl-panel display Event log Sample MFP event-log Interpret the event log Control-panel display of the event log Display the event log Control-panel messages Board on Troubleshooting with the copy processorUpdate on See Formatter cage on See Scanner controller board Connectors onDiagnostic tests on Unit intake fan on Freely see ADF components on Scanner controller board connectors onSee Inverter PCB on Jams on Copy processor board LEDs Troubleshooting C9148-90909 Troubleshooting with the copy processor board Defects on See Basic troubleshooting on114 and Power-on defects on Supply on page 63 and Power-on ADF paper-path test User-level and service-level diagnosticsDiagnostic tests To perform a diagnostic test Service menu Description Service-level diagnosticsService menu To access the service menu PIN code General ADF jam troubleshooting Cause Solution Jam troubleshootingJams Creating a customer print job Clearing repeated ADF jams Configuration-page elements ConfigurationEvaluate the information pages Sample configuration JetDirect-page elements JetDirect Supplies-page elements Supplies status Sample usage Usage File-directory-page elements File directory Standards? Image-formation troubleshootingImage-quality checks Image-quality checks Action EconoMode Checking the print cartridge Image-defect tables Image defects Problem Condition Solution Vertical lines See Cleaning the ADF delivery guideStrip. See Cleaning the product on Clear mylar strip on Isolate a paper path Media troubleshooting Isolate a media type Isolate a media brand Wiring diagrams Parts and diagrams Support Ordering parts, supplies and getting supportParts Related documentation and software Accessories and supplies Description Product no AccessoriesConsumables Description Product no Screws used in the ADF unit and scan unit Description See Top-cover assembly onCommon hardware HP Laserjet 4100 differences How to use the parts lists and diagrams Covers Parts lists and diagrams Covers Part Number Description Reference Top-cover assembly Top-cover assembly Part Number Description Reference Scan unit 1 Scan unit 1 Part Number Description Reference Scan unit 2 Scan unit 2 Part Number Description Reference Glass, formatter, CPB, and cables See Accessories and supplies on ADF unit 1 ADF unit 1 Part Number Description Reference ADF unit 2 ADF unit 2 Part Number Description Reference Alphabetical parts list Part Number Description Alphabetical parts list Spring, Tension tension spring for optic-unit Numerical parts list Part Number Description Numerical parts list ADF unit entire assembly Does not include Parts and diagrams C9148-90909 Index Index C9148-90909 C9148-90909 Index RAM Sram Index C9148-90909 Page C9148-90909