Roland VersaEXPRESS RF-640 Service Notes page 221

When the Drive Pully side adjustment has been done, loosen
22
the fixing screw of Carriage Motor once, and tighten them
again by referring to [3-6 Carriage Motor Replacement].
Fixing direction of
the back screw is
different from the
others.
Press [ENTER] key to restart Aging.
23
The position is proper when the belt is not touching the
Flanges excessively. When the position is proper, close this
BELT POSITION ADJUSTMENT. When it is improper, go
back to 18 and make adjustment again.
AGING
SCAN
4-42
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