COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-603) Remove the screw, and remove thesub transformer 3.q Screw w Sub transformer 3Figure 4-85913. Removing the Color TonerCartridge Sensor1) Perform the steps on p. 3-20 toremove the inside cover 1.2) Remove the screw, and disconnectthe connector; then, remove the colortoner cartridge sensor.q Screw w Connectore Color toner cartridge sensorFigure 4-86014. Removing the Color TonerCartridge Level Sensor1) Perform steps 2) through 6) on p. 4-43to remove the rear cover, shieldingbox, and heat discharge fan 1.2) Remove the screw, and disconnectthe connector; then, detach the colortoner cartridge level sensor.q Screw w Connectore Color toner cartridge level sensorFigure 4-861Note:When replacing the color toner car-tridge level sensor, take care not totouch the light-receiving/-emitting sec-tion.qwqweqweDownload free service manual at http://printer1.blogspot.com