사용자 설명서차례Table of Contents7Preface4Using This Manual4Printer and Troubleshooting Overview15Contents16Theory of Operation17Paper Path and Cycle Sequence19Simplex Printing19Duplex Printing19Error Code Technical Definitions21Sensor and Switch Locations25Troubleshooting Overview29General Troubleshooting Tips29The Problem: Printer or Host?30Protocol Converters31Reading the Error Log31Confirming Line Power32Using the Troubleshooting Analysis Guide (TAG)33Sample TAG33Standard Procedures35Power-on-reset (POR)35Checking Continuity35Installing the Interlock By-pass Tool36Producing a Developed Image36Producing a Toner Patch36Completing a Service Call37Clearing the Error Log38TAG Cross- Reference Tables39TAG Cross-Reference Tables40Error Code/TAG Cross-Reference41Print Quality/TAG Cross-Reference47Mechanical Malfunction/TAG Cross-Reference50Troubleshooting Analysis Guide (TAGs)53Contents54Troubleshooting Analysis Guide (TAGs)56TAG 001: Troubleshooting a Problem57TAG 002: Check & Problem Resolution60TAG 010: Upper Cassette Malfunction64E10: Envelope Tray Out of Envelopes66TAG 011: Lower Cassette Malfunction68TAG 012: Upper Cassette Not Latched70TAG E12: Envelope Tray or Feeder Not Latched73TAG 013: Lower Cassette Not Latched76TAG 020: Paper Jam/Misfeed in Upper Cassette Area78TAG 021: Paper Jam/Misfeed in /Lower Cassette Area82TAG 022: Paper Jam in the Transfer or Fuser Area86TAG 023: Paper Jam in the Output Area91TAG 025: Paper in Input Area Before Printing93TAG 026: Paper in Output Area Before Printing95TAG 030: Developer Bias Short/Failure96TAG 031: Toner Patch Reference Level Too Low99TAG 032: Toner Patch Too Light101TAG 035: Out of Toner or ADD TONER Indicator On103TAG 036: Developer Unit Not Installed105TAG 040: Photoconductor Seam Sensor Malfunction106TAG 044: Main Charger/Transfer Charger Circuit Open110TAG 045: Main Charger Circuit Shorted113TAG 050: Transfer Charger Circuit Shorted115TAG 055: Erase Lamp Malfunction117TAG 070: Fuser Unit Malfunction119TAG 071: Open Fuser Thermistor124TAG 072: Fuser Unit Temperature Too High125TAG 083: Job Offset Mechanism Malfunction127TAG 097: +12 Vdc Power Shorted or Sensing Problem131TAG 098: -12 Vdc Power Shorted142TAG 099: +24 Vdc Power Shorted144TAG 100: PCL Board Interface Malfunction154TAG 101: IGS Controller Diagnostic Failure155TAG 130: Diskette/Disk Drive Malfunction156TAG 200: IGS Internal Communication Malfunction160TAG 201: IGS-PCL Interface Malfunction162TAG 405: IGS Bit-Map RAM Malfunction164TAG 500: +5 Vdc Power Malfunction165TAG 600: AC Power Malfunction170TAG 610: Operator Panel Malfunction177Wiring Table180TAG 700: Output Tray Circuit Malfunction182TAG 702: Paper Size Detection Malfunction184Wiring for the Upper Paper Size Sensor186Wiring for the Lower Paper Size Sensor186TAG 703: Upper Cassette Malfunction187TAG 704: Lower Cassette Malfunction188TAG 705: Multiple Paper Feeding189TAG 706: Paper Damaged or Wrinkled190TAG 707: Upper Paper Guide Assembly Not Closing191TAG 750: Counter Malfunction192TAG 751: Main Drive Motor Runs Continuously194TAG 753: External Communications Malfunction195TAG 754: Attachment Option Malfunction198TAG 800: Prints Blank or With Dark Horizontal Bands200TAG 801: Prints Light or Light With Carrier Particles204TAG 802: Prints With Voids or White Spots210TAG 803: Prints With Light or White Vertical Streaks212TAG 804: Prints With Light Horizontal Bands214TAG 805: Black Prints215TAG 806: Prints with Dark Spots or Scratches218TAG 807: Misregistered/Skewed Prints (Simplex)220TAG 808: Prints Overtoned/Dark Vertical Streaks224TAG 809: Blurred or Smeared Vertical Streaks on Prints229TAG 810: Uneven Density or Dark Areas on Prints232TAG 811: Background/Residual Images/Dark Prints234TAG 812: Uneven or No Fusing on Prints239TAG 813: Residual Images on Prints241TAG 815: Prints Resulting From Printhead Malfunctions243TAG 900: Top Cover Interlock Malfunction, Duplex244TAG 901: Misregistration/Skewed Prints (Duplex)246TAG 902: Paper Jam in Duplex Area250Print Quality Samples255Contents256Print Quality Samples257Sample 1: Good Quality Print258Sample 2: Washout259Sample 3: ;:Blank Print260Sample 4: Light Print261Sample 5: Light Print With Background262Sample 6: Voids or White Spots263Sample 7: Light Vertical Streaks264Sample 8: Blank Vertical Bands265Sample 9: Light Horizontal Bands266Sample 10: Black or Dark Print267Sample 11: Dark Specks, Lines, or Areas268Sample 12: Dark Vertical Lines269Sample 13: Skewed Prints270Sample 14: Misregistration271Sample 15: Overtoned Print272Sample 16: Blurred Images or Characters273Sample 17: Varying Print Density274Sample 18: Background275Sample 19: Residual Images276Sample 20: Wrinkles277Sample 21: Fusing Problems278Diagnostic Tests279Contents280Diagnostic Tests281How to Run Diagnostics281001 Operator Panel Test282002 Upper Cassette Test282003 Lower Cassette Test283(004 intentionally excluded)283005 Sensor Test Sequence284006 Paper Transport Clutch Test Sequence285007 Counter Test285008 Jogging Motor Test286009 Photoconductor Test286010 Toner Supply Motor Test287011 Main Charger Test288012 Transfer Charger Test289013 Erase Lamp Test290(014 intentionally excluded)290015 Negative Developer Bias Test291016 Duplex Feed Motor Test292017 Duplex Input Sensor Test Sequence293018 Duplex Clutch Test Sequence294019 Duplex Tray Paper-Guide Motor Test295020 High-Capacity Output Unit Test296021 High-Capacity Input Unit Test297022 Envelope Fuser Solenoid Test297(023-100 intentionally excluded)297101 EIGS/MIGS Board Test298102 EIGS/MIGS Board Test (Continuous Loop)298103 Communication Loop-back Test (Single Loop)299104 Communication Loop-back Test (Continuous Loop)300105 EIGS Program RAM Test (Continuous Loop)300(106 intentionally excluded)300107 EIGS/MIGS Bit Map Test (Single Loop)301108 EIGS/MIGS Bit Map Test (Continuous Loop)301(109 intentionally excluded)301110 Format Disk/Clear Error Log302111 LED Printhead Test302112 Disk Drive Test (Single Loop With Stop on Error)303113 Disk Drive Test (Continuous Loop)304Wiring Diagrams and Electrical Data305Contents306Wiring Diagrams and Electrical Data307Connector (J/P) Index308Connector Locations310Connectors Inside the Front Cover310Connectors Inside the Left Cover311Connectors on the Duplex Cover312Connectors Inside the Right Cover313Connectors Inside the Top Cover314Connectors on the Back Cover315Connectors Inside the Back Cover (J/P2-14)316Connectors Inside the Back Cover (Continued) J/P18-62317Connectors Inside the Back Cover (Continued) J/P 64-85318Connectors Inside the Back Cover (Continued) J/P 90-800319Voltage Isolation Diagrams320Ground System325Host Interface Reference326RS-232C Host Interface326Standard DCE to DTE RS-232C Cable327Special Considerations for RS-232 Host Interface Users327DTE Host to Printer (Option 1)328DTE Host to Printer (Option 2)328IBM PC/XT to Printer329IBM PC/AT to Printer329Macintosh Communication Port to Printer330RS-422 Host interface330Centronics Parallel Host Interface331IBM Parallel to Printer332Special Considerations for Centronics Parallel Interface Users333Circuit Board Settings334Signal Interface Board Settings334PCL Board Settings335Printhead Circuit Board Settings335Removal/Replacement Procedures337Contents338Removal340Before You Begin340Power Considerations340Photoconductor Removal340Front Cover Removal341Back Cover Removal342Lower Back Cover Removal343Left Side Cover Removal344Replacement Note:344Right Side Cover Removal (Simplex)345Replacement Note:345Right Side Cover Removal (Duplex)346Replacement Note:346Vacuum Transport Unit Removal (Simplex)347Vacuum Transport Unit Removal (Duplex)349Top Cover Removal350Top Cover Support Removal351Replacement Note:351Top Cover Hinge Removal352Replacement Note:352Rear Duplex Cover Removal353Replacement Note:353Front Duplex Cover Removal354Operator Panel Removal355Counter Removal356IGS Board Removal357PCL Board Removal358Printhead Assembly Removal359Replacement Note:360Disk Drive Housing Removal361Replacement Note:361Cooling Fan Removal362Duplex Fan Removal363Toner Motor Removal364AC Power Supply Removal365DC Power Supply Removal367Replacement Note:367High Voltage Unit Removal368Photoconductor Seam Sensor Removal369Photoconductor Rear Guide Rail Removal371Signal Interface Board Removal373Replacement Note:373Power Control Board Removal374Replacement Note:374Jogging Motor Control Board Removal375Upper or Lower Paper Size Sensor Removal376Upper Cassette Mount Removal377Lower Cassette Mount Removal381Upper Paper Guide Removal384Upper Paper Guide Roller Removal386Lower Paper Guide Removal387Paper Timing Guide Removal388Cleaner Drive Belt Removal390Cleaner Drive Removal391Fuser Drive Belt Removal392Fuser Drive Removal393Paper Feed Drive Belt Removal394Paper Timing Roller Removal395Replacement Notes:395Upper Feed Roller Removal396Lower Feed Roller Removal397Upper Pick-Up Roller Removal398Upper Pick-Up Roller Drive Removal399Lower Pick-Up Roller Removal400Lower Pick-Up Roller Drive Removal401Job Offset Assembly Removal402Exit Pinch Roller Removal404Upper Static Brush Removal406Lower Static Brush Removal407Exit Roller Assembly Removal408Exit Cover Removal (Simplex)410Exit Cover Removal (Duplex)412Paper Exit Sensor Removal414Paper Full Sensor Removal415Front Cover Interlock Switch Removal416Back Cover Interlock Switch Removal417Top Cover Interlock Switch Removal418Erase Lamp Removal419EP Cover Removal420Replacement Note:421Main Motor Removal422Replacement Notes:423Main Gear Drive Removal424Duplex Control Board #1 Removal425Duplex Control Board #2 Removal426Duplex Tray Registration Motor Removal427Duplex Skew Correction Cable Removal428Replacement Notes:428Upper Duplex Drive/Clutch Assembly Removal430Duplex Route Motor/Solenoid Assembly Removal431“A” Roller Removal432“B” Roller Removal433“C” Roller Removal434“C” Roller Solenoid Removal435Replacement Note:435Duplex Route Separator Removal436Duplex Paper Path Sensor Removal438Options439Contents440Introduction4411200-Sheet/2500-Sheet Feeder442Bench Test Procedure443Prefeed Adjustment Procedure444Input Control Board Logic4451400-Sheet Stacker447Bench Test Procedure448Connector Locations450Output Control Board Logic452General Printer Maintenance455Contents456General Printer Maintenance457Introduction457Every-Call Cleaning Procedure (page 7-6)457Paper Feed Tension Adjustment Procedure (page 7-8)457Lubrication Procedures (page 7-11)457Tune-Up Procedure (page 7-18)457Safety Precautions457Tool Requirements: Service Kit458Tools/Supplies458End User Cleaning Kit458Printer/Maintenance Record458Every-Call Cleaning Procedure460Remove Major Consumable Supplies460Inspect and Vacuum460Clean Internal Areas460Clean the Fuser Unit460Clean the Developer Unit461Clean the Cleaner Unit/Main Charger461Clean the Photoconductor Unit Area461Clean the Transfer Charger461Run Test Prints461Adjusting Paper Feed Tension462Printers With Paper Tension Levers462Printers With Pick Pressure Adjusters463Lubrication Procedure465Front View Lubrication Tables467Duplex Only467Rear View Lubrication Tables469Duplex Only469Tune-Up Maintenance Procedure472Abbreviations and Acronyms475Index477크기: 5.46메가바이트페이지: 483Language: English매뉴얼 열기