Roland VersaEXPRESS RF-640 Service Notes page 124

Connect the motor cable to the connector.
13
Fix the the Panel Cover.
14
When fixing the Panel
Cover, fi x the sensor with
the sensor cable and the
ribbon cable to the Panel
Board.
Move the Head Carriage by hand to the lock position.
15
Turn on the Main Power SW, and then turn on the Sub Power
16
SW while pressing the left, right and down keys to enter the
Service Mode.
ON
3-50
Panel Cover
+