Canon NP6621 Service Manual

Also see for NP6621: Service manual Service handbook

Contents

Canon NP6621 Service Manual Manual pdf 6 page image

iv COPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)C. Duplexing Unit ................................... 3-63D. Pick-Up from the Cassette FeedingModule-A2 ......................................... 3-72E. Pick-Up from the Cassette FeedingUnit-K1 ............................................... 3-74F. Paper Deck Pedestal-K1 ................... 3-76G. Multifeeder ......................................... 3-82H. Identifying the Size of the Cassette ... 3-85I. Fixing/Delivery Assembly .................. 3-87J. Detecting Jams .................................. 3-92V. POWER SUPPLY .................................. 3-101A. Outline of Power Distribution ........... 3-101B. Power Supply Circuitry .................... 3-102C. Detecting Errors on the Power SupplyPCB ................................................. 3-103D. Protection Mechanisms for the PowerSupply Circuit .................................. 3-104VI. SERVICE MODE ................................... 3-105A. Outline ............................................. 3-105B. Using Service Mode ........................ 3-105C. Control Display Mode (‘1’) ............... 3-107D. I/O Mode (‘2’) ................................... 3-110E. Adjustment Mode (‘3’) ..................... 3-114F. Operation/Inspection Mode (‘4’) ...... 3-117G. Machine Settings Mode (‘5’) ............ 3-118H. Counter Mode (‘6’) ........................... 3-120VII. SELF DIAGNOSIS ................................. 3-121A. Copier Self Diagnosis ...................... 3-121B. Self Diagnosis on the Cassette FeedingUnit .................................................. 3-124C. RDF/ADF Self Diagnosis ................. 3-125D. Sorter Self Diagnosis ....................... 3-126VIII. STANDARDS AND ADJUSTMENTS .... 3-127A. Electrical .......................................... 3-127CHAPTER 5 INSTALLATIONI. SELECTING THE SITE ............................. 5-1II. UNPACKING AND INSTALLING THECOPIER ..................................................... 5-2A. Unpacking and Removing Fixings ....... 5-2B. Turning On the Copier ......................... 5-5C. Checking the Images andOperations ........................................... 5-7D. Attaching the Drum Unit ...................... 5-8E. Changing the Cassette Size ................ 5-9III. RELOCATING THE COPIER .................. 5-11IV. REPLACING THE DRUM UNIT .............. 5-12V. INSTALLING THE CONTROLCARD IV N ............................................... 5-14VI. CASSETTE HEATER KIT 5 INSTALLATIONPROCEDURE .......................................... 5-16A. Unpacking .......................................... 5-16B. Installation (to copying machine) ....... 5-17C. Installation (to a Cassette Feeding Module-A2/B2/Cassette Feeding Unit-K1) ....... 5-20VII. CASSETTE HEATER KIT 7 INSTALLATIONPROCEDURE .......................................... 5-24A. Unpacking .......................................... 5-24B. Installation ......................................... 5-25C. Attaching the Ratings Label .............. 5-27VIII.INSTALLING THE REMOTE DIAGNOSTICDEVICE II ................................................ 5-28A. Unpacking .......................................... 5-28B. Installation to the Copier .................... 5-28I. EXTERNALS ............................................. 4-1A. External Covers ................................... 4-1B. Control Panel ....................................... 4-2C. Removing the Display Panel ............... 4-2D. Fan ...................................................... 4-3E. Counter ................................................ 4-4II. DRIVE SYSTEM ........................................ 4-5A. Scanner Drive System ......................... 4-5B. Lens Drive Assembly ......................... 4-10C. Main Motor ......................................... 4-14III. PICK-UP/FEEDING SYSTEM ................. 4-15A. Pick-Up Assembly ............................. 4-15B. Multifeeder Assembly ........................ 4-17C. Registration Roller Assembly ............ 4-20D. Feeding Assembly ............................. 4-22E. Delivery Assembly ............................. 4-22F. Duplexing Assembly .......................... 4-23G. Cassette Unit ..................................... 4-24H. Paper Deck Pedestal-K1 ................... 4-27IV. EXPOSURE SYSTEM ............................. 4-34A. Illuminating Assembly ........................ 4-34V. CHARGING SYSTEM ............................. 4-38A. Drum Unit .......................................... 4-38B. Primary Charging Assembly .............. 4-39C. Transfer Charging Assembly ............. 4-40D. Drum Heater ...................................... 4-41VI. DEVELOPING SYSTEM ......................... 4-42VII. FIXING SYSTEM ..................................... 4-45VIII .ELECTRICAL ........................................... 4-50A. DC Controller PCB ............................ 4-50B. Composite Power Supply PCB ......... 4-50C. AE Sensor PCB ................................. 4-51CHAPTER 4 MECHANICAL SYSTEM