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Canon FY8-13EX-000, NP6218 service manual Image Formation System

Models: FY8-13EX-000 NP6218

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CHAPTER 4 IMAGE FORMATION SYSTEM

6) Disconnect the connectors e, r.

e r

Figure 4-302

7)Remove the screw t, and disconnect the connector y.

8)Pull the fluorescent lamp u slowly toward the front to detach.

u

yt

Figure 4-303

Caution:

Do not touch the fluorescent lamp. (Use lint-free paper.)

COPYRIGHT © 1997 CANON INC.

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

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Image 107

Canon FY8-13EX-000, NP6218 service manual Image Formation System

Contents

FY8-13EX-000 Copyright 1997 Canon INC Introduction Copyright 1997 Canon INC Iii System ConfigurationGeneral Description Copyright 1997 Canon INC Contents Image Formation System Exposure SystemVii PICK-UP/FEEDING SystemViii Fixing SystemEXTERNALS/AUXILIARY Mechanisms InstallationMaintenance and Servicing II. Standards and ADJUSTMENTS..10-5 TroubleshootingArrangement and Functions Xii AppendixChapter General Description Office amenities and ecology FeaturesPractical basic features Multiple front loading and multifeeder for space savingSystem II. SpecificationsCopier TypeFeatures 201 Standard Reproduction Ratios Others202 Copying Speed Cassette Feeding Module-B2/Cassette Feeding Module-A2Exterior View III. Names of PartsBody Cross SectionCassette Feeding Module-A2 Control Panel IV. OperationOperation Mode Making Two-Sided/Overlay Copies manual Outline User ModeChanging the Auto Clear Time Common Operations Keys to Use in User ModeChanging the Auto Power-Off Time OperationReference Zoom Fine-AdjustmentTurning On and Off the Auto Cassette Change Mechanism Cleaning the Feeder with ADF installed-option Initializing User Mode Selecting the Density Adjustment Method for Standard ModeQuick Guide to User Mode Handling the Toner Bottle VI. Routine Maintenance by the UserOutline VII. Image FormationGeneral Description General Description Copyright 1997 Canon INC Chapter Basic Operation Functional Construction Basic ConstructionCPU Outline of the Electrical CircuitryStby Intr Scfw Scrv Lstr AER Basic Sequence of Operations 2 copies continuous, AEMechanism Main Motor Control CircuitInputs to the DC Controller PCB 1/3 Inputs to the DC Controller PCBCSZ3 CSZ4 Inputs to the DC Controller PCB 2/3Inputs to the DC Controller PCB 3/3 Outputs from the DC Controller PCB 1/3 Outputs from the DC Controller PCBMfpucld Outputs from the DC Controller PCB 2/3Hefd Outputs from the DC Controller PCB 3/3CS2 Inputs to and Outputs from the 1-Cassette Unit Driver PCBC3VPD Inputs to and Outputs from the 2-Cassette Unit Driver PCBC2PUCLD Basic Operation Copyright 1997 Canon INC Chapter Exposure System Varying the Reproduction Ratio II. Lens Drive SystemChsld Driving the Lens Motor Lens Motor Drive CircuitKeeping the Lens Motor Stationary Stby Intr Scfw Scrv Lstr AER Basic Sequence of Operations lens drive system non-DirectDriving the Scanner III. Scanning Drive SystemBasic Sequence of Operations scanner Relationship between the Scanner Sensor and SignalsDriving 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 Detaching the Lens Drive Motor Lens Drive AssemblyExposure System Routing the Lens Cable 421 Lens Drive AssemblyAdjusting the Position of the Change Solenoid Exposure System Copyright 1997 Canon INC Chapter Image Formation System Processes Composite Power Supply PCB DC controller PCBT101 On on Basic Sequence of Operations image formation systemFlprht Controlling the Scanning LampPre-Heating Control scanning lamp Turning On and Off the Scanning LampOFF Controlling the Intensity of the Scanning Lamp FL1 Controlling the Fluorescent Lamp Heater Fluorescent Lamp Protection Mechanism Fluorescent Lamp AutomaticMpwm Controlling the Primary Charging Roller BiasTurning On and Off the Primary Charging Roller Bias Image Formation System Reference Bias Atvc Cleaning BiasControlling the Transfer Roller Bias Transfer BiasTfwon Tfwpwm Tfws Trevon Current Limiter Circuit transfer bias Current Limiter Circuit cleaning biasTurning On and Off the Transfer Roller Bias Controlling the Transfer Bias to a Constant VoltageControlling the Static Eliminator Bias Ensuring Proper Separation of Thin Paper Switching the Static Eliminator Bias Voltage LevelBssld Controlling Blank ExposureBlanking Whiting of Non-Image Areas for Reduction Primary Charging Roller Cleaning Operation Controlling the Primary Corona Roller Cleaning MechanismReleasing the Transfer Roller II. Developing Assembly and Cleaning Assembly Controlling the Toner Level Detection Stby Mpwm Controlling the Development BiasTurning On and Off the AC Component of the Development Bias Control Method Automatic Control of Copy Density207 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 314a Positioning the Blank Shutter SolenoidPositioning the Left/Right Margin Routing the Blanking CableDetaching the Drum Unit Drum UnitCleaning Detaching the Primary Corona Assembly Primary Corona AssemblyCleaning 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 Pick-Up Operation III. PICK-UP from the Cassette Feeding MODULE-A2Intr Scfw Scrv Scfw Scrv Lstr Sequence of Operations cassette 2 A4, 2 copiesPS5 IV. MultifeederIdentifying the Size of Paper on the Multifeeder Intr Scfw Scrv Scfw Lstr Sequence of Operations multifeeder A4, 2 copiesIdentifying the Cassette Size Guide plate horizontal Paper size lever Guide plate vertical VI. Identifying Jams Pre-Registration Delay JamPre-Registration Stationary Jam Pre-Registration Timing JamSeparation Stationary Jam Separation Delay JamDelivery Stationary Jam Delivery Delay JamDetaching the Pick-Up Roller Unit VII. Disassembly and AssemblyPick-Up Assembly PICK-UP/FEEDING System PICK-UP/FEEDING System Detaching the Pick-Up Roller Detaching the Pick-Up Clutch Points to Note When Attaching the Pick-Up RollerDetaching the Separation Pad Pick-Up from the Cassette Adjusting the Left/Right RegistrationDetaching the Multifeeder Assembly Multifeeder AssemblyDetaching 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 Detaching the Feeding Belt Feeding AssemblyPICK-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 Thermal Fuse FU1 Detecting Overheating at the End of the Fixing HeaterProtection Mechanism Thermistor TH1, TH2Correcting 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 Heater Connector Points to Note When Attaching the Fixing FilmAdjusting the Fixing Film Drive Roller Pressure Points to Note When Replacing the Fixing Upper UnitFixing 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 Overcurrent in the Low-voltage Power Supply Detecting Errors in the Power Supply PCBError in the High-Voltage Output Data Low-Voltage Output Data ErrorProtection Mechanisms for the Power Supply Circuit External Covers Cover EXTERNALS/AUXILIARY Mechanisms Detaching the Control Panel Detaching the Exhaust Fan FansDetaching the Main Motor Unit Main Motor/Main Drive AssemblyDetaching the Main Drive Assembly EXTERNALS/AUXILIARY Mechanisms Routing the Drive Belt Detaching the Pick-Up Drive Unit Cassette unitDetaching the Cassette Motor Detaching the Cassette Driver PCB Detaching the DC Controller PCB Points to Note When Replacing the DC Controller PCBDC Controller PCB Detaching the Composite Power Supply PCB Composite Power Supply PCBEXTERNALS/AUXILIARY Mechanisms Points to Note When Handling the Composite Power Supply PCB Intensity Sensor PCB Points to Note When Replacing the AE SensorPoints to Note When Replacing the Intensity Sensor AE Sensor PCBEXTERNALS/AUXILIARY Mechanisms Copyright 1997 Canon INC Chapter Installation Selecting the Site Unpacking and Removing Fixings II. Unpacking and Installing the CopierInstallation 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 Direct position refers to III. Relocating the CopierIV. Replacing the Drum Unit Go through the following when replacing the drum unitInstallation Installation Installing the Control Card IV N Installation Unpacking VI. Cassette Heater KIT 5 Installation PROCE- DureInstallation 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 PartsII. Durables Pick-up roller FB2-2251-000 100,000 III. Periodical Servicing IV. Servicing Chart Maintenance and Servicing Chapter Troubleshooting 10-1 Guide to Troubleshooting Tables10-2 10-3 Maintenance and InspectionImage Adjustment Basic Procedure 10-4 Periodical Servicing10-5 II. Standards and AdjustmentsImage Adjustment 10-6 10-7 10-8 10-9 Adjusting the Left/Right Margin No left/right margin10-10 Adjusting the Scanning Lamp Intensity10-11 10-12 210 DC Controller PCB10-13 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 10-19 220 front view10-20 Positioning the Change Solenoid10-21 Image Formation System10-22 Routing the Blank Shutter Cable10-23 After Replacing the Drum Unit10-24 10-25 Pick-Up/Feeding SystemOrientation of the Pick-Up Roller Orientation of the Multifeeder Pick-Up Roller10-26 Positioning the Paper Guide Plate Cam multifeeder10-27 Fixing System10-28 236 rear view10-29 Points to Note after Replacing the Fixing Upper Unit10-30 Adjusting the Nip10-31 Storing the Fixing Heater Resistance240 Heater Stay Side Plate rear 10-32 Setting the Fixing Heater Temperature Control Value10-33 Example10-34 10-35 ElectricalAfter Replacing the PCB Clearing the Back-Up RAM10-36 Checking the Photointerrupters10-37 CopierPS9 10-3810-39 Cassette Feeding Unit10-40 10-41 10-42 10-43 Adjusting the Multifeeder Paper Width Sensor10-44 Setting the Paper Size for the Universal CassetteInitial Checks III. Troubleshooting Image Faults10-46 10-47 10-48 Samples of Image Faults10-49 Troubleshooting Faulty ImagesCopy is too light half-tone only 10-50 10-51 10-52 10-53 Copy is foggy overall10-54 Copy has black lines vertical, fine10-55 Copy has white spot vertical Copy has white lines vertical10-56 Copy has white spots horizontal10-57 Back of the copy is soiled10-58 Copy has a fixing fault15, 16, 17 The leading edge of the copy is displaced 10-59 Copy has a blurred image10-60 Copy is foggy horizontal10-61 Copy has poor sharpness10-62 Copy is blankCopy is solid black 10-63 IV. Troubleshooting MalfunctionsTroubleshooting Malfunctions E00010-64 E001E002, E003 10-65 E004E007 10-66 E010E030 10-67 E064E202 keys on control panel invalidated 10-68 10. E21011. E220 12. E24010-69 13. E26114. E710, E711, E712, E717 15. E80310-70 AC power supply is absent10-71 DC power supply is absent10-72 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 10-76 Add paper indicator fails to turn offFixing heater fails to operate Pre-exposure lamp fails to turn on10-77 Jam message fails to turn off10-78 Troubleshooting Feeding ProblemsJams copy paper 10-79 Pick-Up AssemblyFixing/Delivery Assembly Separation/Feeding Assembly10-81 Feeding FaultsDouble feeding Wrinkling10-82 VI ARRANGEMENT/FUNCTIONS of the Electrical PartsSensors 10-83 10-84 Clutches, Solenoids, and Switches10-85 10-86 Motors, Heaters, and Lamps10-87 10-88 PCBs10-89 10-90 Cassette Feeding Module A210-91 Photointerrupter10-92 Variable Resistors VR and Check Pins by PCBDC controller PCB 10-93 Composite power supply PCB10-94 VII. Service ModeUsing Service Mode Activating Service ModeClearing Stored Error Code Selecting a Service ModeUsing Adjustment Mode 3 and Specification Mode Using Operation/Inspection Mode10-96 Recording on the Service Mode Label10-97 Control Display Mode10-98 10-99 O Mode10-100 No /202/203/204 Port C Digital Display10-101 Port H Display10-102 Adjustment Mode10-103 10-104 10-105 Operation/Inspection Mode10-106 10-107 Specification Settings Mode10-108 Counter Mode10-109 VIII. Self Diagnosis10-110 E00310-111 E21010-112 10-113 E40010-114 E50010-115 10-116 Appendix A4, 2 copies, Direct, from copier cassette General Timing ChartSignals and Abbreviations Signals and AbbreviationsGeneral Circuit Diagram Copyright 1997 Canon INC Special Tools MEK SOLVENTS/OILSCanon INC This publication is printed on 70% reprocessed paper