COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 3EXPOSURE SYSTEM1. Disconnect the power cord for safety before disassembly or reassembly work.2. Group the screws by type (length and diameter) and location.3. The mounting screws are equipped with washers to protect against staticelectricity; do not leave them behind when attaching the covers.4. The mounting screw for the grounding wire is equipped with a washer to ensureelectrical continuity; make sure that the washer is attached to the screw whenremoving/fitting it.5. If possible, avoid operating the machine with any of its parts removed.6. Unless otherwise noted, re-assembly is the reverse of disassembly.I. BASIC OPERATION ....................3-1A. Changing the ReproductionRatio ......................................3-1II. LENS DRIVE SYSTEM ................3-2A. Outline ...................................3-2B. Basic Lens Drive SystemOperation (change ofreproduction ratio) .................3-4III. SCANNER DRIVE SYSTEM .......3-5A. Outline ...................................3-5B. Relation Between ScannerSensor and Signals ...............3-6C. Basic Scanner Operation ......3-7D. Scanner Motor Drive SystemOperation ..............................3-8E. Scanner Movement for Two-Page Separation Mode(copy count 2) .................... 3-10F. Document SizeIdentification ....................... 3-11IV. DISASSEMBLY ANDASSEMBLY ............................... 3-14A. Lens Drive Assembly ......... 3-14B. Scanner Drive Assembly .... 3-16Download Service Manual And Resetter Printer at http://printer1.blogspot.com
