Roland VersaUV LEF2-200 Service Notes page 233

Head Gap Sensor Position Adjustment
8.
Turn the adjustment screw clockwise 45 degrees repeatedly until the status of sensor [A] is ON .
NOTE
When you turn the screw clockwise, the head gap sensor moves frontward .
HCPwFLRAT
* * * * *
9.
Turn the adjustment screw clockwise three times more .
C AUTION
Confirm that the head gap sensor plate is center of the head gap sensor .
10.
Tighten two screws to secure the head gap sensor .
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L EF 2-200