COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 8 INSTALLATION8-19No.7WorkWhen taking out the duplexing unit, pushdown the locking lever found at the lowerright of the duplexing unit; then, slide it usingboth hands out of the printer unit.RemarksLocking leverDo not push on the metal plate foundat the back of the duplexing unit; oth-erwise, the plate may deform to causepick-up faults or jams.Caution:Download free service manual at http://printer1.blogspot.com