ADF fan assembly Note The ADF fan is an intake fan. 1 Remove the ADF back cover. See page 107. 2 Remove two screws (callout 1) in the plastic fan housing. 3 Lift out the ADF fan and housing. Note You might have to lift up the cable guide assembly (callout 2) to remove the ADF fan. 1 1 2 2 Figure 140. ADF fan 4 Disconnect one connector from the ADF fan. 5 Remove the ADF fan from the housing. To reinstall When reinstalling the ADF fan, make sure the direction of the airflow arrow marked on the fan matches the airflow arrow on the housing. C8523-90921 Motors and fans 153