COPYRIGHT © 1997 CANON INC. CANON NP6045 REV.1 MAR. 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) vii1. Removing the Blank ExposureLamp Assembly........................4-41E. Photosensitive Drum .....................4-421. Removing the Drum Unit..........4-422. Replacing the Drum Heater......4-443. Installing the PhotosensitiveDrum.........................................4-44F. Potential Sensor Assembly ...........4-441. Removing the PotentialSensor Assembly .....................4-44G. Primary Charging Assembly..........4-451. Removing the PrimaryCharging Assembly ..................4-45H. Pre-Transfer Charging Assembly ..4-451. Removing the Pre-TransferCharging Assembly ..................4-45I. Transfer/Separation ChargingAssembly .......................................4-461. Removing the Transfer/Separation ChargingAssembly ..................................4-462. Installing the Transfer/Separation ChargingAssembly ..................................4-47J. Charging Wire ...............................4-491. Outline ......................................4-492. Removing the PrimaryCharging Assembly WireCleaner .....................................4-493. Installing the Charging Wire .....4-494. Routing the Grid for thePrimary Charging Assembly.....4-515. Adjusting the Height of theCharging Wire ..........................4-536. Cleaning the Primary ChargingAssembly Anti-Stray TonerSheet ........................................4-54K. Developing Assembly ....................4-551. Removing from the DevelopingAssembly ..................................4-552. Removing the Blade Unit .........4-563. Installing the Blade ...................4-564. Removing the DevelopingCylinder and the MagneticSeal ..........................................4-575. Cleaning the DevelopingAssembly Anti-Stray TonerSheet ........................................4-59L. Hopper Assembly ..........................4-601. Removing the HopperAssembly ..................................4-60M. Drum Cleaner ................................4-611. Construction .............................4-612. Removing the Cleaning Blade..4-613. Installing the Cleaning Blade....4-624. Installing the Side Seal.............4-635. Cleaning the Cleaning SideScraper .....................................4-63N. Separation Claw/SeparationClaw Drive Assembly ....................4-651. Removing the SeparationClaw/Separation DriveAssembly from the Drum Unit ..4-65O. Waste Toner Feeding Assembly....4-66CHAPTER 5 PICK-UP/FEEDING SYSTEMI. PICK-UP/FEEDING SYSTEM ............5-1A. Outline ...........................................5-1II. PICK-UP FROM THE CASSETTE .....5-3A. Pick-Up Operation .........................5-31. Outline ......................................5-42. Sequence of Pick-UpOperations ................................5-4B. Cassette Lifter Operations.............5-5C. Detecting the Size of CopyPaper in the Cassette....................5-71. Outline ......................................5-72. Detecting the Size of Paper .....5-73. Markings on the Width GuideRail ...........................................5-84. Paper Sizes ..............................5-95. Registering Paper Width BasicValue.........................................5-10III. PICK-UP FROM THE PAPER DECK ....5-11A. Outline ...........................................5-111. Pick-Up Operations ..................5-122. Sequence of Pick-UpOperations ................................5-12B. Lifter Operations ............................5-131. Operations ................................5-132. Deck Limit Detection ................5-14C. Detecting Paper for the Deck ........5-151. Detecting the Presence/Absence of Paper.....................5-152. Detecting the Deck Size...........5-15D. High-Speed Pick-Up ......................5-15IV. PICK-UP FROM THEMULTIFEEDER...................................5-16A. Pick-Up Operation .........................5-16B. Detecting the Size of Paper inthe Multifeeder...............................5-17C. Sequence of Operations(multifeeder) ..................................5-18V. CONTROLLING THEREGISTRATION CLUTCH .................5-19VI. MAKING TWO-SIDED/OVERLAYCOPIES (1st SIDE) ............................5-20
