5  Replacement
97
S84-ex/S86-ex Service Manual
8 On the rear of the printer, remove three 
screws .
9 On the front of the printer, remove two screws  and the screw . Then carefully 
remove the frame of the print head assembly .
10
On the head lock lever , remove the 
hex socket set screw  using an Allen 
wrench. Then remove the screw  and 
remove the head lock lever .