Roland VersaCAMM VP-540 Service Notes page 202

Tighten one of the screws that has no contact with the
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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.
Tighten the 2 fixing screws as shown in the figure.
19
Be careful with the moving Carriages during
the work, and also with the sharp edges of the
mechanical parts around it.
Confirm that the belt is not touching the Pulley Flanges
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excessively.
When the belt is in improper position, adjust it again. When
it is proper, press [ENTER] key to cancel Aging.
Fix the Right Side Frame by sliding it from
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behind to hook the tab as shown in the
figure.
SCREWs
FLANGE
SCAN
NOW AGING
4-61
IDLE PULLEY HOLDER
FIXING SCREW
FIXING SCREW
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