4.Replacement and Adjustment 
100 
2.  Remove the USB port [A]. 
 
FCU (Only for Fax Models) 
1.  Remove the main board (Main Board (MF Touch Panel Models)). 
2.  Remove the main board bracket [A]. 
 
3.  Remove the FCU [A]. 
 
Speaker (Only for Fax Models) 
1.  Remove the left cover (Left Cover).