5–14INSTALLATIONCOPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)V. INSTALLING THECONTROL CARD IV NCaution:Be sure to disconnect the copier’s power plugbefore starting the installation work.1) Open the front cover2) Open the copier’s top body by operating itsopen/close lever.3) Detach the front cover.4) Take out the cartridge.5) Detach the inside cover.6) Loosen the screw on the upper rear cover.7) Loosen the two screws on the copyboard glass.8) Detach the face plate q from the control cardcable inlet.When detaching the face plate q, detach itin the direction of the arrow using pliers orscrewdriver.9) Fix the Control Card IV N to the copier using ascrew w (M4×12); at the time, be sure that thecopier’s emboss e is fitted in the hole in theControl Card IV N.Figure 5-50210) Disconnect the copier’s dummy connector r.Figure 5-5031Figure 5-501423
