2) Remove the thirteen mounting screws r; then, remove the keypad PCB t.Figure 7-427C. Door Switch Assembly1. Removing the Front Door Switch Assembly1) Open the front door.2) Remove the inside upper cover.3) Remove the control panel.4) Remove the two mounting screws q, and remove the door switch assembly w.Figure 7-428q wrtCOPYRIGHT © 1997 CANON INC. CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS7-26