CHAPTER 3 EXPOSURE SYSTEMCOPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)3-14IV. DISASSEMBLY AND ASSEMBLYA. Lens Drive AssemblyThe unit is adjusted at the factory with high precision using special tools. Do not remove partsor loosen screws other than those discussed.Figure 3-401Lens pulley[3][4]4 turnsLens pulley fixing plateMounting screwsMark with scriber.Mark with scriberCable mountPullely mount[2][1][5]Download Service Manual And Resetter Printer at http://printer1.blogspot.com