Roland VersaCamm VS-640 Service Notes page 194

Close the four Clamps shown in the figure.
29
Hook the Cable Tie to the Cable Clamp and close the Cable
30
Clamp to cover the Ferrite Core.
Move the Head Carriage to the position of the right figure.
31
Then, check the clearance between the Ink Tube and the
Guide Cable Support is less than 6mm.
Using a 6mm hex wrench is easy to check.
Adjustment is not necessary if the clearance is less than
6mm. Go to 35 step.
Revised 3
Cable Clamp
6mm hex wrench
3-121
Clamp
Ferrite Core
Cable Tie
Guide Cable Support