COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 8 INSTALLATION8-9No.181920WorkPlace the yellow color toner cartridge on alevel place; then, holding the cartridge, pullout the sealing tape.Look in the color toner replacement cover tomake sure that the color of the color markeron the turret is yellow. (If not, press the turretbutton unit it is yellow.)Open the color toner replacement cover, andshift the blue locking lever on the right of theturret to the right.RemarksColor markerColor toner replacement coverTurret buttonDownload free service manual at http://printer1.blogspot.com