Roland VersaUV LEF2-200 Service Notes page 134

Head Gap Sensor Replacement
4.
Unplug the connector from the head gap sensor .
5.
Remove the head gap sensor from the stay . Then, fix a new head gap sensor to the stay .
6.
Perform the following adjustment .
6-1.
Chapter 2 "Head Gap Sensor Position Adjustment"
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L EF 2-200