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HP Photosmart C30 General Printer Maintenance

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Chapter 9

General Printer Maintenance

General Printer Maintenance

9-1

Contents

Page Notice Printing History Trademarks Warnings and Cautions Conventions Notes contain important information set off from the text Preface Using This Manual Other Manuals Page Printer and Troubleshooting Overview TAG Cross-ReferenceTables Troubleshooting Analysis Guide (TAGs) Page Print Quality Samples Diagnostic Tests Wiring Diagrams and Electrical Data Removal/Replacement Procedures Page Options General Printer Maintenance Abbreviations and Acronyms Printer and Troubleshooting Overview Printing and Troubleshooting Overview Theory of Operation Host IGS Paper Path and Cycle Sequence Simplex Printing Duplex Printing Page Error Code Technical Definitions Page Page Page Sensor and Switch Locations Page Page Page Troubleshooting Overview General Troubleshooting Tips The Problem: Printer or Host Protocol Converters Reading the Error Log Confirming Line Power Using the Troubleshooting Analysis Guide (TAG) Sample TAG TAG 001: Troubleshooting a Problem Page Standard Procedures Power-on-reset(POR) Checking Continuity Installing the Interlock By-passTool Producing a Developed Image Producing a Toner Patch Completing a Service Call Clearing the Error Log TAG Cross- Reference Tables TAG Cross-ReferenceTables TAG Cross-ReferenceTables Error Code/TAG Cross-Reference Error Code/TAG Cross-Reference Page Page Page Page Page Print Quality/TAG Cross-Reference Print Quality/TAG Cross-Reference Page Page Mechanical Malfunction/TAG Cross-Reference Page Page Analysis Guide (TAGs) Page Page Page TAG 001: Troubleshooting a Problem Page Page TAG 002: Check & Problem Resolution Page Page Page TAG 010: Upper Cassette Malfunction Page E10: Envelope Tray Out of Envelopes Page TAG 011: Lower Cassette Malfunction Page TAG 012: Upper Cassette Not Latched Page Page TAG E12: Envelope Tray or Feeder Not Latched Page Page TAG 013: Lower Cassette Not Latched Page TAG 020: Paper Jam/Misfeed in Upper Cassette Area Page Page Page TAG 021: Paper Jam/Misfeed in /Lower Cassette Area Page Page Page TAG 022: Paper Jam in the Transfer or Fuser Area Page Page Page Page TAG 023: Paper Jam in the Output Area Page TAG 025: Paper in Input Area Before Printing Page TAG 026: Paper in Output Area Before Printing TAG 030: Developer Bias Short/Failure Page Page TAG 031: Toner Patch Reference Level Too Low Page TAG 032: Toner Patch Too Light Page TAG 035: Out of Toner or ADD TONER Indicator On Page TAG 036: Developer Unit Not Installed TAG 040: Photoconductor Seam Sensor Malfunction Page Page Page TAG 044: Main Charger/Transfer Charger Circuit Open Page Page TAG 045: Main Charger Circuit Shorted Page TAG 050: Transfer Charger Circuit Shorted Page TAG 055: Erase Lamp Malfunction Page TAG 070: Fuser Unit Malfunction Page Page Page Page TAG 071: Open Fuser Thermistor TAG 072: Fuser Unit Temperature Too High Page TAG 083: Job Offset Mechanism Malfunction Page Page Page TAG 097: +12 Vdc Power Shorted or Sensing Problem Page Page Page Page Page Page Page Page Page Page TAG 098: -12Vdc Power Shorted Page TAG 099: +24 Vdc Power Shorted Page Page Page Page Page Page Page Page Page TAG 100: PCL Board Interface Malfunction TAG 101: IGS Controller Diagnostic Failure TAG 130: Diskette/Disk Drive Malfunction Page Page Page TAG 200: IGS Internal Communication Malfunction Page TAG 201: IGS-PCLInterface Malfunction Page TAG 405: IGS Bit-MapRAM Malfunction TAG 500: +5 Vdc Power Malfunction Page Page Page Page TAG 600: AC Power Malfunction Page Page Page Page Page Page TAG 610: Operator Panel Malfunction Page Page Wiring Table Page TAG 700: Output Tray Circuit Malfunction Page TAG 702: Paper Size Detection Malfunction Page Wiring for the Upper Paper Size Sensor Wiring for the Lower Paper Size Sensor TAG 703: Upper Cassette Malfunction TAG 704: Lower Cassette Malfunction TAG 705: Multiple Paper Feeding TAG 706: Paper Damaged or Wrinkled TAG 707: Upper Paper Guide Assembly Not Closing TAG 750: Counter Malfunction Page TAG 751: Main Drive Motor Runs Continuously TAG 753: External Communications Malfunction Page Page TAG 754: Attachment Option Malfunction Page TAG 800: Prints Blank or With Dark Horizontal Bands Page Page Page TAG 801: Prints Light or Light With Carrier Particles Page Page Page Page Page TAG 802: Prints With Voids or White Spots Page TAG 803: Prints With Light or White Vertical Streaks Page TAG 804: Prints With Light Horizontal Bands TAG 805: Black Prints Page Page TAG 806: Prints with Dark Spots or Scratches Page TAG 807: Misregistered/Skewed Prints (Simplex) Page Page Page TAG 808: Prints Overtoned/Dark Vertical Streaks Page Page Page Page TAG 809: Blurred or Smeared Vertical Streaks on Prints Page Page TAG 810: Uneven Density or Dark Areas on Prints Page TAG 811: Background/Residual Images/Dark Prints Page Page Page Page TAG 812: Uneven or No Fusing on Prints Page TAG 813: Residual Images on Prints Page TAG 815: Prints Resulting From Printhead Malfunctions TAG 900: Top Cover Interlock Malfunction, Duplex Page TAG 901: Misregistration/Skewed Prints (Duplex) Page Page Page TAG 902: Paper Jam in Duplex Area Page Page Page Page Print Quality Samples Page Page Sample 1: Good Quality Print Sample 2: Washout Sample 3: ;:Blank Print Sample 4: Light Print Sample 5: Light Print With Background Sample 6: Voids or White Spots Sample 7: Light Vertical Streaks Sample 8: Blank Vertical Bands Sample 9: Light Horizontal Bands Sample 10: Black or Dark Print Sample 11: Dark Specks, Lines, or Areas Sample 12: Dark Vertical Lines Sample 13: Skewed Prints Sample 14: Misregistration Sample 15: Overtoned Print Sample 16: Blurred Images or Characters Sample 17: Varying Print Density Sample 18: Background Sample 19: Residual Images Sample 20: Wrinkles Sample 21: Fusing Problems Diagnostic Tests Page How to Run Diagnostics Diagnostic Tests How to Run Diagnostics Only diagnostics useful for field maintenance are documented in this manual 001 Operator Panel Test 002Upper Cassette Test (004 intentionally excluded) 003Lower Cassette Test (004 intentionally excluded) 005 Sensor Test Sequence 006 Paper Transport Clutch Test Sequence 007 Counter Test 008 Jogging Motor Test 009 Photoconductor Test 010 Toner Supply Motor Test 011Main Charger Test 012Transfer Charger Test (014 intentionally excluded) 013 Erase Lamp Test (014 intentionally excluded) 015 Negative Developer Bias Test 016 Duplex Feed Motor Test 017 Duplex Input Sensor Test Sequence 018 Duplex Clutch Test Sequence 019 Duplex Tray Paper-GuideMotor Test 020 High-CapacityOutput Unit Test (023-100intentionally excluded) 021 High-CapacityInput Unit Test 022 Envelope Fuser Solenoid Test (023-100intentionally excluded) 101 EIGS/MIGS Board Test 102 EIGS/MIGS Board Test (Continuous Loop) 103 Communication Loop-backTest (Single Loop) (106 intentionally excluded) 104 Communication Loop-backTest (Continuous Loop) 105 EIGS Program RAM Test (Continuous Loop) This test does not run on printers with MIGS boards (106 intentionally excluded) (109 intentionally excluded) 107 EIGS/MIGS Bit Map Test (Single Loop) 108 EIGS/MIGS Bit Map Test (Continuous Loop) (109 intentionally excluded) 110 Format Disk/Clear Error Log If you access this function by mistake, do not proceed Press STOP immediately to exit the utility 111 LED Printhead Test 112 Disk Drive Test (Single Loop With Stop on Error) 113 Disk Drive Test (Continuous Loop) Wiring Diagrams and Electrical Data Page Page Connector (J/P) Index Page Connector Locations Connectors Inside the Front Cover Connectors Inside the Left Cover Connectors on the Duplex Cover Connectors Inside the Right Cover Connectors Inside the Top Cover Connectors on the Back Cover Connectors Inside the Back Cover (J/P2-14) Connectors Inside the Back Cover (Continued) J/P18-62 Connectors Inside the Back Cover (Continued) J/P Page Voltage Isolation Diagrams Page Page Page Page Ground System Host Interface Reference RS-232CHost Interface Standard DCE to DTE RS-232CCable Special Considerations for RS-232Host Interface Users DTE Host to Printer (Option 1) DTE Host to Printer (Option 2) IBM PC/XT to Printer IBM PC/AT to Printer Macintosh Communication Port to Printer RS-422Host interface Centronics Parallel Host Interface IBM Parallel to Printer Special Considerations for Centronics Parallel Interface Users Circuit Board Settings Signal Interface Board Settings PCL Board Settings Printhead Circuit Board Settings Page Removal/Replacement Procedures Page Page Removal Removal Before You Begin Power Considerations Photoconductor Removal Front Cover Removal Front Cover Removal Back Cover Removal Back Cover Removal Lower Back Cover Removal Lower Back Cover Removal Left Side Cover Removal Left Side Cover Removal Replacement Note: Right Side Cover Removal (Simplex) Right Side Cover Removal (Simplex) The service kit is attached inside the right side cover Right Side Cover Removal (Duplex) Right Side Cover Removal (Duplex) Vacuum Transport Unit Removal (Simplex) Vacuum Transport Unit Removal (Simplex) Page Vacuum Transport Unit Removal (Duplex) Vacuum Transport Unit Removal (Duplex) Top Cover Removal Top Cover Removal Top Cover Support Removal Top Cover Support Removal Top Cover Hinge Removal Top Cover Hinge Removal Rear Duplex Cover Removal Rear Duplex Cover Removal Front Duplex Cover Removal Front DuplexCover Removal Operator Panel Removal Operator Panel Removal Counter Removal Counter Removal IGS Board Removal IGS Board Removal PCL Board Removal PCL Board Removal Printhead Assembly Removal Printhead Assembly Removal Page Disk Drive Housing Removal Disk Drive Housing Removal Cooling Fan Removal Cooling Fan Removal Duplex Fan Removal Duplex Fan Removal Toner Motor Removal Toner Motor Removal AC Power Supply Removal AC Power Supply Removal Page DC Power Supply Removal DC Power Supply Removal High Voltage Unit Removal High Voltage Unit Removal Photoconductor Seam Sensor Removal PhotoconductorSeam Sensor Removal Page Photoconductor Rear Guide Rail Removal Photoconductor Rear Guide Rail Removal Page Signal Interface Board Removal Signal Interface Board Removal Power Control Board Removal Power Control Board Removal Jogging Motor Control Board Removal Jogging Motor Control Board Removal Upper or Lower Paper Size Sensor Removal Upper or LowerPaper Size Sensor Removal Be careful not to damage the cables when disconnecting Upper Cassette Mount Removal Upper Cassette Mount Removal Page Page Page Lower Cassette Mount Removal Lower Cassette Mount Removal Page Page Upper Paper Guide Removal Upper Paper Guide Removal Page Upper Paper Guide Roller Removal Upper Paper Guide Roller Removal Lower Paper Guide Removal Lower Paper Guide Removal Paper Timing Guide Removal Paper Timing Guide Removal Page Cleaner Drive Belt Removal Cleaner Drive Belt Removal Cleaner Drive Removal Cleaner Drive Removal Fuser Drive Belt Removal Fuser Drive Belt Removal Fuser Drive Removal Fuser Drive Removal Paper Feed Drive Belt Removal Paper Feed Drive Belt Removal Paper Timing Roller Removal Paper Timing Roller Removal Replacement Notes: Upper Feed Roller Removal Upper Feed Roller Removal Lower Feed Roller Removal Lower Feed Roller Removal Upper Pick-UpRoller Removal Upper Pick-UpRoller Removal Upper Pick-UpRoller Drive Removal Upper Pick-UpRoller Drive Removal Lower Pick-UpRoller Removal Lower Pick-UpRoller Removal Lower Pick-UpRoller Drive Removal Lower Pick-UpRoller Drive Removal Job Offset Assembly Removal Job Offset Assembly Removal Page Exit Pinch Roller Removal Exit Pinch Roller Removal Page Upper Static Brush Removal Upper Static Brush Removal Lower Static Brush Removal Lower Static Brush Removal Exit Roller Assembly Removal Exit Roller Assembly Removal Page Exit Cover Removal (Simplex) Exit Cover Removal (Simplex) Page Exit Cover Removal (Duplex) Exit Cover Removal (Duplex) Page Paper Exit Sensor Removal Paper Exit Sensor Removal Paper Full Sensor Removal Paper Full Sensor Removal Front Cover Interlock Switch Removal Front Cover Interlock Switch Removal Back Cover Interlock Switch Removal Back Cover Interlock Switch Removal Top Cover Interlock Switch Removal Top Cover Interlock Switch Removal Erase Lamp Removal Erase Lamp Removal EP Cover Removal EP Cover Removal Page Main Motor Removal Main Motor Removal Page Main Gear Drive Removal Main Gear Drive Removal Duplex Control Board #1 Removal Duplex Control Board #1 Removal Duplex Control Board #2 Removal Duplex Control Board #2 Removal Duplex Tray Registration Motor Removal Duplex Tray Registration Motor Removal Duplex Skew Correction Cable Removal Duplex Skew Correction Cable Removal Page Upper Duplex Drive/Clutch Assembly Removal Upper Duplex Drive/Clutch Assembly Removal Duplex Route Motor/Solenoid Assembly Removal Duplex Route Motor/Solenoid Assembly Removal “A” Roller Removal “A” Roller Removal “B” Roller Removal “B” Roller Removal “C” Roller Removal “C” Roller Removal “C” Roller Solenoid Removal “C” Roller Solenoid Removal Duplex Route Separator Removal Duplex Route Separator Removal Page Duplex Paper Path Sensor Removal Duplex Paper Path Sensor Removal Options Options Page 1200-Sheet/2500-SheetFeeder Bench Test Procedure Prefeed Adjustment Procedure Input Control Board Logic Page 1400-SheetStacker Page Page Connector Locations Page Output Control Board Logic Page Page General Printer Maintenance Page Introduction Every-CallCleaning Procedure (page 7-6) Paper Feed Tension Adjustment Procedure (page 7-8) Lubrication Procedures (page 7-11) Tune-UpProcedure (page 7-18) Tool Requirements: Service Kit Tools/Supplies End User Cleaning Kit Printer/Maintenance Record To Be Completed By User To Be Completed By HP Every-CallCleaning Procedure Remove Major Consumable Supplies Inspect and Vacuum Clean Internal Areas Clean the Fuser Unit Clean the Developer Unit Clean the Cleaner Unit/Main Charger Clean the Photoconductor Unit Area Clean the Transfer Charger Run Test Prints Adjusting Paper Feed Tension Printers With Paper Tension Levers Printers With Pick Pressure Adjusters Page Lubrication Procedure Page Front View Lubrication Tables Duplex Only Page Rear View Lubrication Tables Page Page Tune-UpMaintenance Procedure

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