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Canon NP6218, FY8-13EX-000 service manual 10-116

Models: FY8-13EX-000 NP6218

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Troubleshooting Specifications Install Error codes IV. Servicing Chart Signals and Abbreviations Low-Voltage Output Data Error Pre-Registration Delay Jam Hook Wirespring Cable Maintenance

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CHAPTER 10 TROUBLESHOOTING

10-116

COPYRIGHT © 1997 CANON INC.

CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

Page 379 Page 381

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Canon NP6218, FY8-13EX-000 service manual 10-116

Page 379 Page 381

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Contents

FY8-13EX-000 Copyright 1997 Canon INC Introduction Copyright 1997 Canon INC System Configuration Iii General Description Copyright 1997 Canon INC Contents Exposure System Image Formation System PICK-UP/FEEDING System Vii Fixing System Viii EXTERNALS/AUXILIARY Mechanisms InstallationMaintenance and Servicing Troubleshooting II. Standards and ADJUSTMENTS..10-5 Arrangement and Functions Appendix Xii Chapter General Description Features Practical basic featuresMultiple front loading and multifeeder for space saving Office amenities and ecology II. Specifications CopierType System Features Others 201 Standard Reproduction Ratios Cassette Feeding Module-B2/Cassette Feeding Module-A2 202 Copying Speed III. Names of Parts Exterior View Cross Section Body Cassette Feeding Module-A2 IV. Operation Control Panel Operation Mode Making Two-Sided/Overlay Copies manual User Mode Outline Common Operations Keys to Use in User Mode Changing the Auto Power-Off TimeOperation Changing the Auto Clear Time Zoom Fine-Adjustment Reference Turning On and Off the Auto Cassette Change Mechanism Cleaning the Feeder with ADF installed-option Selecting the Density Adjustment Method for Standard Mode Initializing User Mode Quick Guide to User Mode VI. Routine Maintenance by the User Handling the Toner Bottle VII. Image Formation Outline General Description General Description Copyright 1997 Canon INC Chapter Basic Operation Basic Construction Functional Construction Outline of the Electrical Circuitry CPU Basic Sequence of Operations 2 copies continuous, AE Stby Intr Scfw Scrv Lstr AER Main Motor Control Circuit Mechanism Inputs to the DC Controller PCB Inputs to the DC Controller PCB 1/3 Inputs to the DC Controller PCB 2/3 CSZ3 CSZ4 Inputs to the DC Controller PCB 3/3 Outputs from the DC Controller PCB Outputs from the DC Controller PCB 1/3 Outputs from the DC Controller PCB 2/3 Mfpucld Outputs from the DC Controller PCB 3/3 Hefd Inputs to and Outputs from the 1-Cassette Unit Driver PCB CS2 Inputs to and Outputs from the 2-Cassette Unit Driver PCB C3VPD C2PUCLD Basic Operation Copyright 1997 Canon INC Chapter Exposure System II. Lens Drive System Varying the Reproduction Ratio Chsld Driving the Lens Motor Lens Motor Drive CircuitKeeping the Lens Motor Stationary Basic Sequence of Operations lens drive system non-Direct Stby Intr Scfw Scrv Lstr AER III. Scanning Drive System Driving the Scanner Relationship between the Scanner Sensor and Signals Basic Sequence of Operations scanner Driving the Scanner Motor Outline Exposure System Detaching the Scanner Drive Motor IV. Disassembly and AssemblyScanner Drive Assembly Detaching the Scanner Cable Exposure System Assembling the Mirror Position Tool Routing the Scanner Cable Set screws Loosen the set Screw to free Totation Pulley Hook Wirespring Cable Frontrear Cleaning the Scanner No Mirror Lens Drive Assembly Detaching the Lens Drive Motor Exposure System 421 Lens Drive Assembly Routing the Lens Cable Adjusting the Position of the Change Solenoid Exposure System Copyright 1997 Canon INC Chapter Image Formation System Composite Power Supply PCB DC controller PCB Processes T101 Basic Sequence of Operations image formation system On on Controlling the Scanning Lamp Flprht Turning On and Off the Scanning Lamp Pre-Heating Control scanning lamp OFF Controlling the Intensity of the Scanning Lamp FL1 Controlling the Fluorescent Lamp Heater Fluorescent Lamp Automatic Fluorescent Lamp Protection Mechanism Controlling the Primary Charging Roller Bias Mpwm Turning On and Off the Primary Charging Roller Bias Image Formation System Cleaning Bias Controlling the Transfer Roller BiasTransfer Bias Reference Bias Atvc Tfwon Tfwpwm Tfws Trevon Current Limiter Circuit cleaning bias Turning On and Off the Transfer Roller BiasControlling the Transfer Bias to a Constant Voltage Current Limiter Circuit transfer bias Controlling the Static Eliminator Bias Switching the Static Eliminator Bias Voltage Level Ensuring Proper Separation of Thin Paper Controlling Blank Exposure Bssld Blanking Whiting of Non-Image Areas for Reduction Controlling the Primary Corona Roller Cleaning Mechanism Primary Charging Roller Cleaning Operation Releasing the Transfer Roller II. Developing Assembly and Cleaning Assembly Controlling the Toner Level Detection Stby Controlling the Development Bias Mpwm Turning On and Off the AC Component of the Development Bias Automatic Control of Copy Density Control Method 207 Area Read by the AE Sensor Reference AE Adjustment Detaching the Scanning Lamp/Fluorescent Lamp Heater III. Disassembly and AssemblyIllumination Assembly Image Formation System ~5mm 60mm 306 front view Detaching the Blank Exposure Assembly Detaching the Blank Exposure Lamp Detaching the Blank Shutter Solenoid Positioning the Blank Shutter Solenoid 314a Routing the Blanking Cable Positioning the Left/Right Margin Drum Unit Detaching the Drum Unit Cleaning Primary Corona Assembly Detaching the Primary Corona Assembly Cleaning the Cleaning Pad and the Primary Corona Roller Positioning the Solenoid for the Primary Charging Roller Attaching the Drum Heater Transfer Charging AssemblyDetaching the Transfer Roller Image Formation System Image Formation System Developing System Removing the Developing AssemblyRemoving the Blade Assembly Removing the Developing Cylinder Side Seal Image Formation System Image Formation System Installing the Side Seal and the Blade Assembly Image Formation System Chapter PICK-UP/FEEDING System PICK-UP/FEEDING System PS4 II. PICK-UP Operation Copier Sequence of Operations pick-up/feeding assembly A4, 2 copies III. PICK-UP from the Cassette Feeding MODULE-A2 Pick-Up Operation Sequence of Operations cassette 2 A4, 2 copies Intr Scfw Scrv Scfw Scrv Lstr IV. Multifeeder PS5 Identifying the Size of Paper on the Multifeeder Sequence of Operations multifeeder A4, 2 copies Intr Scfw Scrv Scfw Lstr Identifying the Cassette Size Guide plate horizontal Paper size lever Guide plate vertical Pre-Registration Delay Jam VI. Identifying Jams Pre-Registration Timing Jam Pre-Registration Stationary Jam Separation Delay Jam Separation Stationary Jam Delivery Delay Jam Delivery Stationary Jam Detaching the Pick-Up Roller Unit VII. Disassembly and AssemblyPick-Up Assembly PICK-UP/FEEDING System PICK-UP/FEEDING System Detaching the Pick-Up Roller Points to Note When Attaching the Pick-Up Roller Detaching the Pick-Up Clutch Detaching the Separation Pad Adjusting the Left/Right Registration Pick-Up from the Cassette Multifeeder Assembly Detaching the Multifeeder Assembly Detaching the Multifeeder Pick-Up Roller Unit Detaching the Multifeeder Pick-Up Roller Front of copier Detaching the Multifeeder Drive Unit Detaching the Multifeeder Clutch Positioning the Multifeeder Assembly paper guide plate cam Adjusting the Left/Right Registration Detaching the Upper Registration Roller Registration Roller AssemblyDetaching the Registration Clutch PICK-UP/FEEDING System Detaching the Lower Registration Roller Feeding Assembly Detaching the Feeding Belt PICK-UP/FEEDING System Detaching/Attaching the Pick-Up Roller Cassette Feeding ModuleDetaching the Copier from the Cassette Feeding Module Chapter Fixing System Basic Operations Pwsw Controlling the Fixing Heater Temperature Reference Controlling the Supply Power for the Fixing Heater Detecting Overheating at the End of the Fixing Heater Protection MechanismThermistor TH1, TH2 Thermal Fuse FU1 Correcting Displacement of the Fixing Film OFF Fixing System Controlling the Fixing Film Motor Construction1 II. Disassembly and AssemblyFixing Assembly Detaching the Upper Fixing Unit Fixing System Fixing System Fixing System Fixing System Fixing System Fixing System Fixing System Points to Note When Attaching the Fixing Film Points to Note When Attaching the Heater Connector Points to Note When Replacing the Fixing Upper Unit Adjusting the Fixing Film Drive Roller Pressure Fixing System Detaching the Lower Fixing Unit Fixing System Adjusting the Lower Fixing Roller Nip Measuring the Nip Delivery Assembly Fixing System Copyright 1997 Canon INC Chapter Power Supply Power Supply Circuit Assembly EXTERNALS/AUXILIARY Mechanisms Copyright 1997 Canon INC Detecting Errors in the Power Supply PCB Error in the High-Voltage Output DataLow-Voltage Output Data Error Overcurrent in the Low-voltage Power Supply Protection Mechanisms for the Power Supply Circuit External Covers Cover EXTERNALS/AUXILIARY Mechanisms Detaching the Control Panel Fans Detaching the Exhaust Fan Detaching the Main Motor Unit Main Motor/Main Drive AssemblyDetaching the Main Drive Assembly EXTERNALS/AUXILIARY Mechanisms Routing the Drive Belt Cassette unit Detaching the Pick-Up Drive Unit Detaching the Cassette Motor Detaching the Cassette Driver PCB Detaching the DC Controller PCB Points to Note When Replacing the DC Controller PCBDC Controller PCB Composite Power Supply PCB Detaching the Composite Power Supply PCB EXTERNALS/AUXILIARY Mechanisms Points to Note When Handling the Composite Power Supply PCB Points to Note When Replacing the AE Sensor Points to Note When Replacing the Intensity SensorAE Sensor PCB Intensity Sensor PCB EXTERNALS/AUXILIARY Mechanisms Copyright 1997 Canon INC Chapter Installation Selecting the Site II. Unpacking and Installing the Copier Unpacking and Removing Fixings Installation Installation Turning On the Copier Installation Installation Checking the Images and Operations Attaching the Drum Unit Changing the Cassette Size A5 R A4 Set the paper size plates selected in step III. Relocating the Copier Direct position refers to Go through the following when replacing the drum unit IV. Replacing the Drum Unit Installation Installation Installing the Control Card IV N Installation VI. Cassette Heater KIT 5 Installation PROCE- Dure Unpacking Installation to a Cassette Feeding Module-A2/B2 Screws Tie-wrap Connector Cord clamp Copiers connector Molded member Copiers base plate Relay harness Installation VII. Installing the Remote Diagnostic Device Installation to the Copier Installation Installation SW2 SW3 LED1 LED2 LED3 BAT1 AII Bits on SW2 Setting SW2-3 Shift bit 6 of the DIP switch 2 !9on the RDD’s PCB to OFF Installation Installation Installation Chapter Maintenance and Servicing Periodically Replaced Parts Periodically Replaced Parts II. Durables Pick-up roller FB2-2251-000 100,000 III. Periodical Servicing IV. Servicing Chart Maintenance and Servicing Chapter Troubleshooting Guide to Troubleshooting Tables 10-1 10-2 10-3 Maintenance and InspectionImage Adjustment Basic Procedure Periodical Servicing 10-4 10-5 II. Standards and AdjustmentsImage Adjustment 10-6 10-7 10-8 Adjusting the Left/Right Margin No left/right margin 10-9 Adjusting the Scanning Lamp Intensity 10-10 10-11 210 DC Controller PCB 10-12 10-13 10-14 10-15 Exposure SystemRouting the Scanner Drive Cable 10-16 10-17 Adjusting the Scanner Cable TensionAssembling the Mirror Positioning Tool 10-18 220 front view 10-19 Positioning the Change Solenoid 10-20 Image Formation System 10-21 Routing the Blank Shutter Cable 10-22 After Replacing the Drum Unit 10-23 10-24 Pick-Up/Feeding System Orientation of the Pick-Up RollerOrientation of the Multifeeder Pick-Up Roller 10-25 Positioning the Paper Guide Plate Cam multifeeder 10-26 Fixing System 10-27 236 rear view 10-28 Points to Note after Replacing the Fixing Upper Unit 10-29 Adjusting the Nip 10-30 Storing the Fixing Heater Resistance 10-31 Setting the Fixing Heater Temperature Control Value 240 Heater Stay Side Plate rear 10-32 Example 10-33 10-34 Electrical After Replacing the PCBClearing the Back-Up RAM 10-35 Checking the Photointerrupters 10-36 Copier 10-37 10-38 PS9 Cassette Feeding Unit 10-39 10-40 10-41 10-42 Adjusting the Multifeeder Paper Width Sensor 10-43 Setting the Paper Size for the Universal Cassette 10-44 III. Troubleshooting Image Faults Initial Checks 10-46 10-47 Samples of Image Faults 10-48 10-49 Troubleshooting Faulty ImagesCopy is too light half-tone only 10-50 10-51 10-52 Copy is foggy overall 10-53 Copy has black lines vertical, fine 10-54 Copy has white spot vertical Copy has white lines vertical 10-55 Copy has white spots horizontal 10-56 Back of the copy is soiled 10-57 10-58 Copy has a fixing fault15, 16, 17 The leading edge of the copy is displaced Copy has a blurred image 10-59 Copy is foggy horizontal 10-60 Copy has poor sharpness 10-61 10-62 Copy is blankCopy is solid black IV. Troubleshooting Malfunctions Troubleshooting MalfunctionsE000 10-63 10-64 E001E002, E003 10-65 E004E007 10-66 E010E030 10-67 E064E202 keys on control panel invalidated 10. E210 11. E22012. E240 10-68 13. E261 14. E710, E711, E712, E71715. E803 10-69 AC power supply is absent 10-70 DC power supply is absent 10-71 10-72 Blank shutter fails to movePhotosensitive drum fails to rotate 10-73 Pick-up operation fails from cassettePick-up operation from the multifeeder fails 10-74 Scanner fails to move forward/in reverseRegistration roller fails to rotate 10-75 Scanning lamp fails to turn onLens fails to move Add paper indicator fails to turn off Fixing heater fails to operatePre-exposure lamp fails to turn on 10-76 Jam message fails to turn off 10-77 10-78 Troubleshooting Feeding ProblemsJams copy paper Pick-Up Assembly 10-79 Separation/Feeding Assembly Fixing/Delivery Assembly Feeding Faults Double feedingWrinkling 10-81 10-82 VI ARRANGEMENT/FUNCTIONS of the Electrical PartsSensors 10-83 Clutches, Solenoids, and Switches 10-84 10-85 Motors, Heaters, and Lamps 10-86 10-87 PCBs 10-88 10-89 Cassette Feeding Module A2 10-90 Photointerrupter 10-91 10-92 Variable Resistors VR and Check Pins by PCBDC controller PCB Composite power supply PCB 10-93 VII. Service Mode Using Service ModeActivating Service Mode 10-94 Selecting a Service Mode Using Adjustment Mode 3 and Specification ModeUsing Operation/Inspection Mode Clearing Stored Error Code Recording on the Service Mode Label 10-96 Control Display Mode 10-97 10-98 O Mode 10-99 No /202/203/204 Port C Digital Display 10-100 Port H Display 10-101 Adjustment Mode 10-102 10-103 10-104 Operation/Inspection Mode 10-105 10-106 Specification Settings Mode 10-107 Counter Mode 10-108 VIII. Self Diagnosis 10-109 E003 10-110 E210 10-111 10-112 E400 10-113 E500 10-114 10-115 10-116 Appendix General Timing Chart A4, 2 copies, Direct, from copier cassette Signals and Abbreviations Signals and Abbreviations General Circuit Diagram Copyright 1997 Canon INC Special Tools SOLVENTS/OILS MEK Canon INC This publication is printed on 70% reprocessed paper

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