Roland SOLJET Pro III XC-540 Service Notes page 67

Remove the 2 screws as shown in the figure to remove
9
the Head Board Cover.
Disconnect the 2 flexible cables from the Head.
10
Make sure that LED on the Carriage Board is
off when disconnecting the flexible cables.
Remove the Spring, and remove the 3 screws fixing the
11
Head as shown in the figure.
Then, pull the Head towards the front and pull it up to
remove it.
Remove the Head from the Head Adapter and fix the new
12
Head to the Head Adapter.
Make sure to fix the Head by pressing it to the
bottom left corner of the Adapter.
Use the 2kgf·cm torque driver (ST-056) to
tighten up the screws.
3-5
Head Board Cover
Flexible Cable
Spring
5CY2F2F
Head
Head Adapter