Canon NP6251 Service Manual

Also see for NP6251: Service manual Service bulletin

Contents

Canon NP6251 Service Manual Manual pdf 9 page image

COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV.0 JULY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON) viiA. Scanning Lamp Assembly.............4-391. Removing the Scanning Lamp .4-392. Removing the Thermal Fuse....4-41B. Standard White Plate ....................4-41C. Pre-Exposure Lamp Unit ...............4-431. Removing the Pre-ExposureLamp Unit .................................4-43D. Blanking Exposure LampAssembly .......................................4-441. Removing the BlankingExposure Lamp Assembly .......4-44E. Photosensitive Drum .....................4-451. Removing the Drum Unit..........4-452. Replacing the Drum Heater......4-473. Installing the PhotosensitiveDrum.........................................4-47F. Potential Sensor Assembly ...........4-481. Removing the PotentialSensor Assembly .....................4-48G. Primary Charging Assembly..........4-481. Removing the PrimaryCharging Assembly ..................4-48H. Pre-Transfer Charging Assembly ..4-491. Removing the Pre-TransferCharging Assembly ..................4-49I. Transfer/Separation ChargingAssembly .......................................4-491. Removing the Transfer/Separation ChargingAssembly ..................................4-492. Installing the Transfer/Separation ChargingAssembly ..................................4-51J. Charging Wire ...............................4-531. Outline ......................................4-532. Removing the Wire Cleaner ofthe Primary ChargingAssembly ..................................4-533. Stringing the Charging Wires ...4-534. Stringing the Grid Wire of thePrimary Charging Assembly.....4-565. Adjusting the Height of theCharging Wire ..........................4-586. Cleaning the Primary ChargingAssembly Anti-Stray Sheet ......4-59K. Developing Assembly ....................4-601. Removing the DevelopingAssembly from the Copier........4-602. Removing the Blade Unit .........4-613. Installing the Blade ...................4-614. Removing the DevelopingCylinder and the MagneticSeal ..........................................4-625. Cleaning the DevelopingAssembly Anti-Stray Sheet ......4-65L. Hopper Assembly ..........................4-661. Removing the HopperAssembly from the Copier........4-66M. Drum Cleaner ................................4-671. Construction .............................4-672. Removing the Cleaning Blade..4-673. Installing the Cleaning Blade....4-684. Installing the Side Seal.............4-695. Cleaning the Cleaning SideScraper .....................................4-70N. Separation Claw/SeparationClaw Drive Assembly ....................4-711. Removing from the Drum Unit .4-71O. Waste Toner Feeding Assembly....4-72CHAPTER 5 PICK-UP/FEEDING SYSTEMI. PICK-UP/FEEDING SYSTEM ............5-1A. Outline ...........................................5-1II. CASSETTE PICK-UP .........................5-4A. Pick-Up Operation .........................5-41. Outline ......................................5-52. Sequence of Pick-UpOperations ................................5-5B. Cassette Lifter Operation ..............5-6C. Identifying the Size of CopyPaper in the Cassette....................5-81. Outline ......................................5-82. Identifying the Size of CopyPaper ........................................5-83. Markings on the Width GuideRail ...........................................5-104. Paper Size................................5-115. Registering Paper Width BasicValue.........................................5-12III. FRONT PAPER DECK ASSEMBLY ......5-13A. Outline ...........................................5-131. Pick-Up Operation ....................5-142. Sequence of Pick-UpOperations ................................5-15B. Lifter Operation..............................5-161. Operation..................................5-162. Deck Limit Detection ................5-18C. Detecting the Presence/Absenceof Paper in the Deck......................5-191. Detecting the Presence/Absence of Paper in the Deck ..5-192. Detecting the Size of the Deck..5-19D. High-Speed Pick-Up ......................5-19IV. MULTIFEEDER...................................5-20A. Pick-Up Operation .........................5-20B. Identifying the Size of Paper inthe Multifeeder...............................5-21Download service manual and resetter printer at http://printer1.blogspot.com