COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.viii4. Transfer charging AssemblyCleaning Mechanism ...... 6-305. Others............................. 6-31F. Controlling Separation Charging............................................ 6-321. Outline ............................ 6-322. Correcting the Output to Suitthe Environment and theToner Deposit ................. 6-333. Correcting the Output uponDetection of Leakage ..... 6-344. Others............................. 6-35IV . DEVELOPING ASSEMBLY ...... 6-36A. Outline ................................. 6-36B. Controlling the DevelopingAssembly ............................. 6-37C. Controlling the Toner CartridgeDrive Mechanism ................. 6-38D. Controlling the Developing Bias............................................ 6-39E. Detecting the Toner Level andControlling the Toner SupplyMechanism .......................... 6-41V . DRUM CLEANER UNIT ........... 6-45A. Outline ................................. 6-45B. Detecting the Waste Toner (casefull condition) ....................... 6-46VI. CONTROLLING THE DRUMHEATER ................................... 6-48A. Outline ................................. 6-48VII .DISASSEMBLY/ASSEMBLY .... 6-49A. Photosensitive Drum Unit .... 6-501. Points to Note When Handlingthe Photosensitive Drum 6-502. Removing the PhotosensitiveDrum............................... 6-513. Replacing the PhotosensitiveDrum Heater ................... 6-534. Mounting the PhotosensitiveDrum Unit ....................... 6-54B. Parts Associated with theProcess Unit ........................ 6-551. Removing the Pre-ExposureLamp Unit ....................... 6-552. Removing the PotentialSensor Unit..................... 6-563. Removing the PrimaryCharging Assembly ........ 6-574. Removing the Pre-TransferCharging Assembly ........ 6-575. Removing the Dust-CollectingRoller .............................. 6-586. Removing the Transfer/Separation ChargingAssembly ........................ 6-58C. Charging Wire ..................... 6-601. Outline ............................ 6-602. Removing the Wire Cleaner ofthe Primary ChargingAssembly ........................ 6-603. Removing the Wire Cleaner ofthe Transfer SeparationCharging Assembly ........ 6-614. Routing the Charging Wire....................................... 6-625. Routing the Grid Wire for thePrimary Charging Assembly....................................... 6-646. Adjusting the Height of theCharging Wire ................ 6-65D. Process Unit ........................ 6-661. Removing the Process Unit....................................... 6-662. Mounting the Process Unit....................................... 6-68E. Developing Assembly .......... 6-691. Removing the DevelopingAssembly ........................ 6-692. Removing the Hopper .... 6-703. Removing the Blade Unit....................................... 6-714. Mounting the Blade ........ 6-725. Removing the DevelopingCylinder .......................... 6-72F. Drum Cleaner Unit ............... 6-751. Removing the Cleaning Blade....................................... 6-752. Mounting the Cleaning Blade....................................... 6-77G. Separation Claw/Separation ClawDrive Assembly ................... 6-79CHAPTER 7 PICK-UP/FEEDING SYSTEMI. OUTLINE .................................... 7-1A. Specifications and Construction.............................................. 7-1B. Arrangement of Rollers andSensors ................................. 7-2II. PICKUP ASSEMBLY .................. 7-3
