3.15 Slot-in Wireless Housing Installation (Option) 
1.  Refer to Remove the Electronics Cover to remove the electronic cover. 
2.  Take off the slot-in wireless interface board by removing 2 screws (fastened by 5.5 kg±15% kg-cm) on rear of printer.   
3.  Install the slot-in wireless housing on the rear of the printer and fix 2 screws (5.5 kg±15% kg-cm) as indicated.   
               
4.  Connect the slot-in wireless transfer module housing board cable to the main board as indicated.                    
 
5.  Reassemble the parts in the reverse procedures.