4–34 COPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)MECHANICAL SYSTEMIV. EXPOSURE SYSTEMA. Illuminating Assembly1. Removing the Scanning Lamp/Fluo-rescent Heater1) Disconnect the power plug.2) Remove the copyboard glass.3) Remove the upper rear cover.4) Move the scanner unit to the center.5) Remove the two screws q, and remove thelight-blocking plate w.Figure 4-4016) Remove the screw t, and disconnect the con-nector y.7) Pull the halogen lamp u slowly toward the frontto remove.Figure 4-402Caution:Do not touch the halogen lamp. (If necessary,wrap lint-free paper around it.)2. Removing the Blank Exposure As-sembly1) Open the front cover.2) Pull the open/close lever to open the body.3) Remove the inside cover.4) Remove the exhaust fan and the cartridge.(See “Removing the Exhaust Fan.”)5) Disconnect the connector (J315) q on the DCcontroller PCB; then, remove the two screwsw.Figure 4-4036) Push up the blank exposure assembly e lightly,and pull it off toward the bottom front.Figure 4-40412756213
