Roland VersaCamm VS-640 Service Notes page 144

Remove the two screws to remove the Tool Carriage Board
8
Stay from the Tool Carriage Assy.
Loosen the two fi xing screws as shown in the fi gure.
9
And loosen the Adjustment Screw.
Loosen the four screws as shown in the fi gure.
10
Remove the Carriage Belt from the plate, and connect the
11
new belt with the scotch tape.
< Top View / Left Side of the BELT >
Adjustment Screw
Tape
Carriage Belt
3-71
Tool Carriage Board Stay
Fixing Screw
Screw
New Belt