11 Remove one screw (callout 9) from the flatbed cable cover. 12 Slide the flatbed cable cover away from the optical unit to clear it for removal of the optical unit. 89 Figure 99. ADF optical unit (4 of 8) CAUTION With the ADF stopper cover removed, the optical unit will fall. Before performing step 13, grasp the optical unit and lower it slowly to prevent it from falling. 13 Remove one screw (callout 10) and the ADF stopper cover (callout 11). 10 1 11 2 Figure 100. ADF optical unit (5 of 8) C8523-90921 Internal 127