COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000T 2CONTENTS3.3 Mounting the Drum CleaningBlade ........................................ 3-8T3.4 Mounting the DevelopingBlade ........................................ 3-8T3.5 Replacing the Potential Sensor/Potential Control PCB .............. 3-8T4. Pickup/Feeding System .................. 3-9T4.1 Orientation of the Deck/CassettePickup Roller .......................... 3-9T4.2 Orientation of the Deck/Cassette Separation Roller ...... 3-10T4.3 Orientation of the FeedingRoller of the Deck/CassettePickup Assembly .................... 3-10T4.4 Orientation of the Pickup Rollerof the Side Paper Deck ........... 3-11T4.5 Orientation of the Feeding Rollerof the Side Paper Deck ........... 3-12T4.6 Adjusting the Pressure of theSeparation Roller of the Deck/Cassette .................................. 3-13T4.7 Adjusting the Pressure of the Sepa-ration Roller of the Manual FeedTray ....................................... 3-14T4.8 Adjusting the Fixing Inlet GuideSolenoid (SL1) ...................... 3-15T4.9 Adjusting the Position of thePickup Solenoid (SL3, SL4)of the Cassette 3/4 .................. 3-16T4.10 Adjusting the Position ofthe Delivery FlapperSolenoid (SL5) ....................... 3-17T4.11 Adjusting the Position of theRight Deck Pickup Solenoid(SL6) ...................................... 3-17T4.12 Adjusting the Position of theLeft Deck Pickup Solenoid(SL7) ...................................... 3-18T4.13 Adjusting the Position of theReversing Flapper Solenoid(SL8) ...................................... 3-18T4.14 Adjusting the Position of theFixing Web Solenoid (SL9) .... 3-19T4.14.1 New Fixing Web ................ 3-19T4.14.2 Existing Fixing Web .......... 3-19T4.15 Position of the Side PaperDeck Pickup Roller ReleasingSolenoid ................................. 3-20T4.16 Attaching the Timing Belt ofthe Manual Feed TrayAssembly ............................... 3-20T4.17 Attaching the Drive Belt ......... 3-21T5. Fixing System ............................... 3-22T5.1 Points to Note WhenMounting the Fixing Heater ... 3-22T5.2 Position of the Fixing InletGuide ...................................... 3-22T5.3 Adjusting the Lower RollerPressure (nip) ......................... 3-23T5.3.1 Taking Measurements ...... 3-23T5.3.2 Standards ......................... 3-23T5.3.3 Making Adjustments ........ 3-23T6. Laser Exposure System ................ 3-24T6.1 When Replacing the ScannerUnit ........................................ 3-24T7. Electrical Parts .............................. 3-25T7.1 When Replacing the CCDUnit ........................................ 3-25T7.2 When Replacing the Readercontroller PCB ........................ 3-25T7.3 When Replacing the MainController PCB ....................... 3-26T7.4 When Replacing the HDDUnit ........................................ 3-26T7.5 When Replacing the DCController PCB ....................... 3-27T7.6 When Replacing theHigh-Voltage PCB .................. 3-28T8. Checking the Surface PotentialControl System ............................. 3-29T8.1 Outline .................................... 3-29T8.2 Disabling the Auto ControlMechanism ............................. 3-29T8.3 Zero Level Check ................... 3-30T8.3.1 Method 1 .......................... 3-30T8.3.2 Method 2 .......................... 3-32T8.4 Checking the PotentialSystem .................................... 3-35T