Roland SOLJET Pro III XC-540 Service Notes page 201

Insert a wrench through the holes on the side frame and
17
adjust the belt position turning the screw 1 and 2 as
follows.
Belt leans to the front side of the machine
-Turn the screw 1 carefully in CW to press it to the
Idle Pulley Holder.
* Make sure to have a gap of 3mm between the screw
2 and Idle Pulley Holder when turning the screw 1.
Belt leans to the rear side of the machine
-Turn the screw 2 carefully in CW to press it to the
Idle Pulley Holder.
* Make sure to have a gap of 3mm between the screw
1 and Idle Pulley Holder when turning the screw 2.
Tighten one of the screws that has no contact with the
18
Idle Pulley Holder to slightly touch the Idle Pulley
Holder.
Make sure not to tighten the screws too
tight. It may move the Idle Pulley Holder
accidentally.
SCREW
1
2
SCREW
1
SCREW
2
SCREW
(The one with no contact with Idle Pulley Holder.)
4-70
IDLE PULLEY
Not touching the flanges
Touching the frange
on the FRONT side of machine
Touching the frange
on the REAR side of machine